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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
Model name<Indoor unit>Model name<Indoor unit>
Series PEA
2015
PEA-RP200GAQPEA-RP250GAQPEA-RP400GAQPEA-RP500GAQ
PEA-RP250GAPEA-RP400GAPEA-RP500GA
• This manual describes onlyservice data of the indoorunits.
CONTENTS
1. TYPES OF INDOOR UNITS·······························22. SAFETY PRECAUTION ···································33. PART NAMES AND FUNCTIONS····················84. SPECIFICATIONS ··········································105. DATA·······························································116. OUTLINES AND DIMENSIONS ·····················137. WIRING DIAGRAM·········································168. REFRIGERANT SYSTEM DIAGRAM ············209. TROUBLESHOOTING····································21
10. SERVICE DATA (PARTS NAME) ···················33Indoor unit
Remote controller (option)
HWE1007B.qx 6/2/15 4:27 PM Page 1
2
1 TYPES OF INDOOR UNITS
Service Reference
PEA-RP200GAQ
PEA-RP250GAQ
PEA-RP400GAQ
PEA-RP500GAQ
PEA-RP200GAQ(R2).TH-AF
PEA-RP250GAQ(R2).TH-AF
PEA-RP400GAQ(R1).TH-AF
PEA-RP500GAQ(R1).TH-AF
Model name
Specification
HWE1007B.qx 6/2/15 4:27 PM Page 2
3
SAFETY PRECAUTION2
Cautions for units utilising refrigerant R410A
CAUTIONS RELATED TO NEW REFRIGERANT
!
"
#
"
$ %
#
& '()*+
!
" #
#
'()*+
$ %&'
,
!
& #
!
(
)
"
*+ ,
-
$.
- #
/
$ %&'/ !
!
!
-
[1] Cautions for service(1) Perform service after collecting the refrigerant left in unit completely.(2) Do not release refrigerant in the air.(3) After completing service, charge the cycle with specified amount of refrigerant.(4) When performing service, install a filter drier simultaneously.
Be sure to use a filter drier for new refrigerant.
HWE1007B.qx 6/2/15 4:27 PM Page 3
4
[2] Storage of Piping Material
(1) Storage location
Store the pipes to be used indoors. (Warehouse at site or owner’s warehouse)Storing them outdoors may cause dirt, waste, or water to infiltrate.
(2) Pipe sealing before storage
Both ends of the pipes should be sealed until immediately before brazing.Wrap elbows and T’s in plastic bags for storage.
* The new refrigerator oil is 10 times more hygroscopic than the conventional refrigerator oil (such as Suniso). Water
infiltration in the refrigerant circuit may deteriorate the oil or cause a compressor failure. Piping materials must be stored
with more care than with the conventional refrigerant pipes.
OK
OK
NG
NG
HWE1007B.qx 6/2/15 4:27 PM Page 4
5
! !
" # $ % %
& '% !
( ) *+,!(
- %
" . "/ % . %
& ' % ' %
0 +% %
% !
HWE1007B.qx 6/2/15 4:27 PM Page 5
6
! " # $
% $ &
' ( !
) *+ + *
! ! +
&
, - + &
. !
- ! ! &
! ! / ! 0
1 & !
2
) ! 3 4 /3 5160 &! 3
1 $ & & + 1
+ $ + & !
' +
) 3 4 7
3 4
(
, ( 833 /3 40 &
, - $
3 6 !
1 &! $
! &
4 & ! !
HWE1007B.qx 6/2/15 4:27 PM Page 6
7
[6] Additional refrigerant chargeWhen charging directly from cylinder· Check that cylinder for R410A on the market is syphon type.· Charging should be performed with the cylinder of syphon stood vertically. (Refrigerant is charged from liquid phase.)
[7] Service toolsUse the below service tools as exclusive tools for R410A refrigerant.
No. Specifications
1 Gauge manifold ·Only for R410A
·Use the existing fitting specifications. (UNF1/2)
·Use high-tension side pressure of 5.3MPa·G or over.
2 Charge hose ·Only for R410A
·Use pressure performance of 5.09MPa·G or over.
3 Electronic scale
4 Gas leak detector ·Use the detector for R134a, R407C or R410A.
5 Adaptor for reverse flow check ·Attach on vacuum pump.
6 Refrigerant charge base
7 Refrigerant cylinder ·Only for R410A Top of cylinder (Pink)
Cylinder with syphon
8 Refrigerant recovery equipment
Gravimeter
Unit
HWE1007B.qx 6/2/15 4:27 PM Page 7
8
3 PART NAMES AND FUNCTIONS
Remote controller (option)Once the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button.
Operation buttons
Indoor Unit
Air intake duct flange
Air outlet duct flange
Air outlet
Air intake(sucks the air inside the room into the unit)
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION CLEAR
TEST
TEMP.
MENU
BACK DAYMONITOR/SET
CLOCK
ON/OFF
Set Temperature buttons
Down
Up
Timer Menu button(Monitor/Set button)
Mode button (Return button)
Set Time buttons
Back
Ahead
Timer On/Off button(Set Day button)
Opening thedoor.
ON/OFF button
Fan Speed button
Filter button(<Enter> button)
Test Run button
Check button (Clear button)
Airflow Up/Down button
Louver button( Operation button)
To preceding operationnumber.
Ventilation button( Operation button)
To next operation number.
HWE1007B.qx 6/2/15 4:27 PM Page 8
9
Display
For purposes of this explanation,all parts of the display are shownas lit. During actual operation, onlythe relevant items will be lit.
˚F˚C
˚F˚C
ERROR CODEAFTER
TIMERTIME SUN MON TUE WED THU FRI SAT
ON
OFF
Hr
AFTER
FILTERFUNCTION
ONLY1Hr.
WEEKLYSIMPLE
AUTO OFF
Identifies the current operationShows the operating mode, etc.* Multilanguage display is sup-
ported.
“Centrally Controlled” indicatorIndicates that operation of the re-mote controller has been prohib-ited by a master controller.
“Timer Is Off” indicatorIndicates that the timer is off.
Temperature SettingShows the target temperature.
Day-of-WeekShows the current day of the week.
Time/Timer DisplayShows the current time, unless the simple or Auto Offtimer is set.If the simple or Auto Off timer is set, shows the timeremaining.
“Sensor” indicationDisplayed when the remote controller sensor is used.
“Locked” indicatorIndicates that remote controller but-tons have been locked.
“Clean The Filter” indicatorComes on when it is time to clean thefilter.
Timer indicatorsThe indicator comes on if the corre-sponding timer is set.
Up/Down Air Direction indica-torThe indicator shows the direc-tion of the outcoming airflow.
“One Hour Only” indicatorDisplayed if the airflow is set toweak and downward during COOLor DRY mode. (Operation variesaccording to model.)The indicator goes off after onehour, at which time the airflow di-rection also changes.
Room Temperature displayShows the room temperature.
Louver displayIndicates the action of the swinglouver. Does not appear if thelouver is stationary.
(Power On indicator)Indicates that the power is on.
Fan Speed indicatorShows the selected fan speed.
Ventilation indicatorAppears when the unit is running inVentilation mode.
Caution Only the Power on indicator lights when the unit is stopped and power supplied to the unit. If you press a button for a feature that is not installed at the indoor unit, the remote controller will display the “Not Available”
message.If you are using the remote controller to drive multiple indoor units, this message will appear only if he feature is not present at the parent unit.
When power is turned ON for the first time, it is normal that “PLEASE WAIT” is displayed on the room temperature indication(For max. 2minutes). Please wait until this “PLEASE WAIT” indication disappear then start the operation.
HWE1007B.qx 6/2/15 4:27 PM Page 9
10
4 SPECIFICATIONS
Model name
Cooling
1.00 2.0
Heating
1.002.0
HWD
HiLo
kWA
CMML/s
CMML/sPa
mmAq
dB(A)dB(A)
mmmmmmkglbs
PEA-RP200GAQ PEA-RP250GAQ
3PH 4W 50Hz 380-415V
Galvanized steel Cross fin coil
Centrifugal (direct) o2 0.77 65
1083 52 867 150 15
Remote control & built in 51 48 R1 400 1400 634 70 154
Cooling
1.18 2.3
Heating
1.182.3
3PH 4W 50Hz 380-415V
Galvanized steel Cross fin coil
Centrifugal (direct) o2 0.77 80
1333 64
1067 150 15
Remote control & built in 52 49 R1 400 1600 634 77 169
Power supply (phase, cycle,voltage)InputRunning current
External finish Heat exchanger
Operation control & Thermostat
Sound level
Drain connection
Dimensions
Weight
Mode
Fan (drive) o No.Fan motor output
Airflow
External static pressure
Hi
Lo
Model name
Cooling
1.553.8
Heating
1.553.8
HWD
kWA
CMML/sPa
mmAq
dB(A)
mmmmmmkglbs
PEA-RP400GAQ PEA-RP500GAQ
3PH 4W 50Hz 380-415V
Galvanized steel Cross fin coil
Centrifugal (direct) o2 1.3 120
2,000 150 15
Remote control & built in 52 R1 595 1947 764 130 286
Cooling
2.845.4
Heating
2.845.4
3PH 4W 50Hz 380-415V
Galvanized steel Cross fin coil
Centrifugal (direct) o2 1.8 160
2,667 150 15
Remote control & built in 53 R1 595 1947 764 133 293
Power supply (phase, cycle,voltage)InputRunning current
External finish Heat exchanger
Operation control & ThermostatSound levelDrain connection
Dimensions
Weight
Mode
Fan (drive) o No.Fan motor output
Airflow
External static pressure
Fan
Fan
HWE1007B.qx 6/2/15 4:27 PM Page 10
11
DATA5
5-1. Sound DataIndoor units
Indoor unit
Position measurement
Measurement point
Inlet
Outlet
1.5m
2m1m
PEA-RP200,250: Upper High/Lower Low
SPLdB(A) 63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz
51 55 54 51 49 47 43 33 27
48 50 50 47 46 44 40 29 21
52 56 55 52 50 48 44 34 28
49 51 51 48 47 45 41 30 22
53 55 54 51 50 48 44 40 31
OCTAVE BAND FREQ.HzModel
52 53 51 52 50 46 44 39 30
PEA-RP200GAQ
PEA-RP250GAQ
PEA-RP500GAQ
PEA-RP400GAQ
HWE1007B.qx 6/2/15 4:27 PM Page 11
12
5-2. Fan Performance CurveIndoor units
PEA-RP200GAQFan Performance Curve 50Hz
PEA-RP250GAQFan Performance Curve 50Hz
PEA-RP400GAQFan Performance Curve 50Hz
PEA-RP500GAQFan Performance Curve 50Hz
70.0 80.0 100.0 110.0 120.0 130.090.0
(Pa)
(Pa) (Pa)
Ext
erna
l sta
tic p
ress
ure
Air flow
(CMM)0
50
100
150
200
300
250
110.0100.0 120.0 130.0 140.0 150.0 160.0 170.0
(Pa)
Ext
erna
l sta
tic p
ress
ure
Air flow
(CMM)0
50
100
150
200
350
300
250
Hi
Lo
45.0 50.0 55.0 60.0 65.0 70.0
Hi
Lo
0
50
100
150
200
250
300
0
50
100
150
200
250
60.0 65.0 70.0 75.0 80.0 85.0 90.0
Ext
erna
l sta
tic p
ress
ure
Air flow Air flow(CMM) (CMM)
Ext
erna
l sta
tic p
ress
ure
HWE1007B.qx 6/2/15 4:27 PM Page 12
13
OUTLINES AND DIMENSIONS6
Ret
urn
air
sens
or
ARubb
er b
ush
<Rem
ote
cont
rolle
r wiri
ng>
Rubb
er b
ush
<Out
door
uni
tco
nnec
tion
wirin
g>
Rubb
er b
ush
<Pow
er s
uppl
ywi
ring>
A
4- ø
12 H
oles
Dra
in R
1
Top
vie
w
Con
trol b
ox
Ret
urn
air
duct
flan
ge
Sup
ply
air
duct
flan
ge<F
or h
angi
ng b
olt M
10>
[Fie
ld s
uppl
y]
22- ø
3.1
Hol
es
24- ø
3 H
oles
Ref
riger
ant p
ipe
ø9.5
2 (3
/8 b
raze
)
Ref
riger
ant p
ipe
ø25.
4 (1
bra
ze)
<A
cces
sory
>2p
cs.
· Pip
e co
ver
······
······
······
······
······
····
(F
or d
ew c
onde
nsat
ion
prev
entio
n of
lo
cal p
ipin
g an
d un
it co
nnec
tion.
) 1pc.
· Rem
ote
cont
rolle
r····
······
······
······
··
Ret
urn
air
Left
side
vie
w
Sup
ply
air
Fro
nt v
iew
75
55
129 70
42
124
34
131
530
50
95 250 11
7x13
0(=9
10)
10
130
130
4545
3131
1102
200
10
8x13
0(=1
040)
1300
20
199
100
40
20
462
144
1284
400
155
1000
105
4012
6040
1340
1400
565
39
22 330145 89
35 130 130 35
634
26273
1054 10
376
25 100 100 25
Unit : mmPEA-RP200GAQ
HWE1007B.qx 6/2/15 4:27 PM Page 13
14
Unit : mmPEA-RP250GAQ
Rub
ber b
ush
<Rem
ote
cont
rolle
r wiri
ng>
Rub
ber b
ush
<Out
door
uni
tco
nnec
tion
wiri
ng>
Rub
ber b
ush
<Pow
er s
uppl
yw
iring
>
A
A
4- ø
12 H
oles
Dra
in R
1
Top
vie
w
Con
trol b
ox
22- ø
3.1
Hol
es
<For
han
ging
bol
t M10
>[F
ield
sup
ply]Ret
urn
air
duct
flan
ge
Sup
ply
air
duct
flan
ge
26- ø
3 H
oles
Left
side
vie
w
Sup
ply
air
Ret
urn
air
Fro
nt v
iew
Ret
urn
air
sens
or
<A
cces
sory
>·P
ipe
cove
r ···
······
······
······
······
······
2pc
s.
(For
dew
con
dens
atio
n pr
even
tion
of
loca
l pip
ing
and
unit
conn
ectio
n.)
·Rem
ote
cont
rolle
r ···
······
······
······
· 1pc
.
Ref
riger
ant p
ipe
ø12.
7 (1
/2 b
raze
)
Ref
riger
ant p
ipe
ø25.
4 (1
bra
ze)
42
144 145
75
55
70129
124
131
5053
0
34
130
95 250 1110
6613
02
1484
7x13
0(=9
10)
130
4545
200
20
100 20
199
40
1500
462
669X
130(
=117
0)
10
2510010025
1010
1540
4014
6040
255
205
376
1000
1600
73 262
40039
565
5463
4
35 13089
33022
130 35
HWE1007B.qx 6/2/15 4:27 PM Page 14
15
PEA-RP400,500GAQ
45
Refri
gera
nt p
ipe
PEA-
RP40
0GAQ
: ø9
.52
(3/8
bra
ze)
PEA-
RP50
0GAQ
: ø
12.7
(1/2
bra
ze)
[
2 pl
aces
(*2
part)
]
*2*1 *2*1
Ref
riger
ant p
ipe
ø25.
4 (1
bra
ze)
[2 p
lace
s (*
1 pa
rt)]
Ret
urn
air s
enso
r(2
pla
ces)
Dra
in R
1
24-
ø3.1
HO
LES
36- ø
3 H
OLE
S
Left
side
vie
wF
ront
vie
w
Top
vie
w
Ret
urn
air
Sup
ply
air
4- ø
15 H
OLE
S<F
or h
angi
ng b
olt M
12>
[Fie
ld s
uppl
y]
Ret
urn
air d
uct f
lang
e
Con
trol b
ox
Sup
ply
air d
uct f
lang
e
A
Rub
ber b
ush
<Rem
ote
cont
rolle
r wiri
ng>
Rub
ber b
ush
<Pow
er s
uppl
y w
iring
>
Rub
ber b
ush
<Out
door
uni
t con
nect
ion
wiri
ng> A
<A
cces
sory
>·P
ipe
cove
r ···
······
······
······
······
······
4pc
s.
(For
dew
con
dens
atio
n pr
even
tion
of
loca
l pip
ing
and
unit
conn
ectio
n.)
·Rem
ote
cont
rolle
r ···
······
······
······
· 1pc
.81 117 156 117
10
2018
40
10
4060
60
61
60
4040
1800
1880
5066
4
52522
10222.5
120
4X120(=480) 22.5
595
1824
5076
4
280
1125
395
340188 22
1947
5704013013040
10
33 2913
01
2X
13
0(=
15
60
)2914
916
18
100
42.5
130
8X13
0(=1
040)
42.5
10
203 320 141
20
425 59
700
39
Unit : mm
HWE1007B.qx 6/2/15 4:27 PM Page 15
16
7 WIRING DIAGRAM
PEA-RP200,250GAQ
t˚t˚t˚
ON
OFF
SWEO
NO
FFSW
1
51F
49F X
152
FLo
52F
Hi
TB
5
21
1 2 21214321
CN
29
CN
41
CN
21
CN
20
CN
3C
21 3 31 2
1 21 2
LED
3
LED
2
LED
1
DC
13.1
V2
11
31
31
3
54
32
1
CN
51
CN
31
CN
32
CN
DC
ND
K
CN
2L
CN
22
CN
2D
DC 13.1
V
CN
2S 1 2
CN
SK 1 3
TAB
1
FUSE
ZNR
FAN
15
73
X4 X1
X1
X5
X6
S1
S2
S3T
B4
FB
321
52F
1 2 3
Lo
Hi
52F
L1 L2 L3
TB
2 RE
DW
HIT
EB
LAC
KN
REDWHITEBLACK
TH
1
TH
2
TH
5 4 5
C01
C01
(6P
)(L
o)
C02
(3P
)(H
i)
DSA
DSR
U
U
U U
ON
OFF
(*1)
SW2
SN
B B
OA
RD
1
CR2
CR1
ZN
R5~
7
12
43
OFF
ON
5
(*1)
SW
2
IND
OO
R U
NIT
1~M
TO O
UT
DO
OR
UN
ITC
ON
NE
CT
ING
WIR
ES
(
PO
LAR
)
PE
POW
ER S
UPP
LY3N
~PE
380/
400/
415V
50H
z
CIR
CU
IT B
REA
KER
(FIE
LD S
UPP
LY)
PEA-
RP2
00,2
50G
AQ:1
5A
OU
TDO
OR
UN
IT
21
REM
OTE
CO
NTR
OLL
ER
TB
6 BOA
RDRE
MOTE
CON
TROL
LER
CONT
ROLL
ER B
OARD
INDO
OR
IND
OO
RP
OW
ER
BO
AR
D
Note
:1. C
olor
of e
arth
wire
is y
ello
w an
d gr
een
twist
ing.
2. S
pecif
icatio
n su
bjec
t to
chan
ge w
ithou
t not
ice.
3. In
door
and
out
door
con
nect
ing
wire
s ar
e m
ade
with
pol
aritie
s,m
ake
sure
m
atch
ing
wirin
g an
d te
rmin
al.
4. E
mer
genc
y op
erat
ion
If
a tr
oubl
e oc
curs
with
eith
er th
e re
mot
e co
ntro
ller o
r the
indo
or
micr
ocom
pute
r and
no
othe
r tro
uble
exis
ts, e
mer
genc
y op
erat
ion
for
c
oolin
g or
hea
ting
c
an b
e pe
rform
ed b
y ch
angi
ng th
e se
tting
of c
onne
ctor
(SW
E) "O
N" o
n th
e
indo
or c
ontro
ller b
oard
.
SW
E :O
N / I
ndoo
r fan
is ru
nnin
g hi
gh s
peed
.5.
Sym
bols
used
in w
iring
dia
gram
abo
ve a
re,
:CO
NNEC
TOR
:TER
MIN
AL
(HEA
VY D
OTTE
D LI
NE):F
IELD
WIR
ING
(T
HIN
DOTT
ED L
INE)
:OPT
IONA
L PA
RTS
6. (*
1)SW
2 sh
ows
PEA-
RP25
0 se
tting
.
In c
ase
of P
EA-R
P200
set
ting
is sh
own
as b
elow
.
51F
NAM
ER
EM
OT
E C
ON
TR
OLL
ER
SYM
BOL
TB6
TERM
INAL
BLO
CK
CONN
ECTO
R (L
OSSN
AY)
CONN
ECTO
R (C
ENTR
ALLY
CON
TROL
)CO
NNEC
TOR
(HA
TERM
INAL
-A)
CONN
ECTO
R (R
EMOT
E SW
ITCH
)CO
NNEC
TOR
(DRA
IN S
ENSO
R)CN
32CN
41CN
51
CN31
CN2L
INDO
OR C
ONTR
OLLE
R B
OARD
FBFE
RRIT
E CO
RE
X1AU
XILI
ARY
RELA
Y
MAG
NETI
C CO
NTAC
TOR
(INDO
OR FA
N M
OTOR
<LOW
SPE
ED>)
52FL
o
MF1
51F
49F
TB2,
4,5
TH1
TH2
FAN
MOT
OR (I
NDOO
R)OV
ER C
URRE
NT R
ELAY
(IND
OOR
FAN
MOT
OR)
INTE
RNAL
THE
RMOS
TAT
(INDO
OR FA
N M
OTOR
)TE
RMIN
AL B
LOCK
THER
MIST
OR
FUSE
FUSE
(T6.
3AL2
50V)
ZNR
VARI
STOR
AUXI
LIAR
Y RE
LAY
X4-6
SW2
SWE
LED1
LED
(POW
ER S
UPPL
Y)LE
D2LE
D (P
OWER
SUP
PLY<
REM
OTE
CONT
ROLL
ER>)
LED3
LED
(TRA
NSM
ISSI
ON<I
NDOO
R·OU
TDOO
R>)
TH5
SW1
CR1,
2SU
RGE
KILL
ER
MAG
NETI
C CO
NTAC
TOR
(INDO
OR FA
N M
OTOR
<HIG
H SP
EED>
)52
FHi
ROOM
TEM
PLI
QUID
PIP
E TE
MP
COND
/EVA
TEM
P
SYM
BOL
NAM
EIN
DO
OR
UN
IT
ARRE
STER
DSA,
DSR
VARI
STOR
ZNR5
~7SN
B BO
ARD
1
CONN
ECTO
R (E
MER
GENC
Y OP
ERAT
ION)
SWIT
CH (C
APAC
ITY
CODE
)SW
ITCH
(MOD
EL S
ELEC
TION
)
Caut
ion,
1.To
pro
tect
fan
mot
or fr
om a
bnor
mal
cur
rent
,ove
r cur
rent
rela
ys is
inst
alle
d.
Ther
efor
e, d
o no
t cha
nge
fact
ory
set v
alue
of o
ver c
urre
nt re
lays
.
54
32
1
53
42
1
HWE1007B.qx 6/2/15 4:27 PM Page 16
17
PEA-RP200,250GAQR2
t˚t˚t˚
ON
OFF
SWEO
NO
FFSW
1
51F
49F X
152
FLo
52F
Hi
TB
5
21
1 2 21214321
CN
29
CN
41
CN
21
CN
20
CN
3C
21 3 31 2
1 21 2
LED
3
LED
2
LED
1
DC
13.1
V2
11
31
31
3
54
32
1
CN
51
CN
31
CN
32
CN
DC
ND
K
CN
2L
CN
22
CN
2D
DC 13.1
V
CN
2S 1 2
CN
SK 1 3
TAB
1
FUSE
ZNR
FAN
15
73
X4 X1
X1
X5
X6
S1
S2
S3T
B4
FB
321
52F
1 2 3
Lo
Hi
52F
L1 L2 L3
TB
2 RE
DW
HIT
EB
LAC
KN
REDWHITEBLACK
TH
1
TH
2
TH
5 4 5
C01
C01
(6P
)(L
o)
C02
(3P
)(H
i)
DSA
DSR
U
U
U U
ON
OFF
(*1)
SW2
SN
B B
OA
RD
1
CR2
CR1
ZN
R5~
7
12
43
OFF
ON
5
(*1)
SW
2
IND
OO
R U
NIT
1~M
TO O
UT
DO
OR
UN
ITC
ON
NE
CT
ING
WIR
ES
(
PO
LAR
)
PE
POW
ER S
UPP
LY3N
~PE
380/
400/
415V
50H
z
CIR
CU
IT B
REA
KER
(FIE
LD S
UPP
LY)
PEA-
RP2
00,2
50G
AQ:1
5A
OU
TDO
OR
UN
IT
21
REM
OTE
CO
NTR
OLL
ER
TB
6 BOA
RDRE
MOTE
CON
TROL
LER
CONT
ROLL
ER B
OARD
INDO
OR
IND
OO
RP
OW
ER
BO
AR
D
Note
:1. C
olor
of e
arth
wire
is y
ello
w an
d gr
een
twist
ing.
2. S
pecif
icatio
n su
bjec
t to
chan
ge w
ithou
t not
ice.
3. In
door
and
out
door
con
nect
ing
wire
s ar
e m
ade
with
pol
aritie
s,m
ake
sure
m
atch
ing
wirin
g an
d te
rmin
al.
4. E
mer
genc
y op
erat
ion
If
a tr
oubl
e oc
curs
with
eith
er th
e re
mot
e co
ntro
ller o
r the
indo
or
micr
ocom
pute
r and
no
othe
r tro
uble
exis
ts, e
mer
genc
y op
erat
ion
for
c
oolin
g or
hea
ting
c
an b
e pe
rform
ed b
y ch
angi
ng th
e se
tting
of c
onne
ctor
(SW
E) "O
N" o
n th
e
indo
or c
ontro
ller b
oard
.
SW
E :O
N / I
ndoo
r fan
is ru
nnin
g hi
gh s
peed
.5.
Sym
bols
used
in w
iring
dia
gram
abo
ve a
re,
:CO
NNEC
TOR
:TER
MIN
AL
(HEA
VY D
OTTE
D LI
NE):F
IELD
WIR
ING
(T
HIN
DOTT
ED L
INE)
:OPT
IONA
L PA
RTS
6. (*
1)SW
2 sh
ows
PEA-
RP25
0 se
tting
.
In c
ase
of P
EA-R
P200
set
ting
is sh
own
as b
elow
.
51F
NAM
ER
EM
OT
E C
ON
TR
OLL
ER
SYM
BOL
TB6
TERM
INAL
BLO
CK
CONN
ECTO
R (L
OSSN
AY)
CONN
ECTO
R (C
ENTR
ALLY
CON
TROL
)CO
NNEC
TOR
(HA
TERM
INAL
-A)
CONN
ECTO
R (R
EMOT
E SW
ITCH
)CO
NNEC
TOR
(DRA
IN S
ENSO
R)CN
32CN
41CN
51
CN31
CN2L
INDO
OR C
ONTR
OLLE
R B
OARD
FBFE
RRIT
E CO
RE
X1AU
XILI
ARY
RELA
Y
MAG
NETI
C CO
NTAC
TOR
(INDO
OR FA
N M
OTOR
<LOW
SPE
ED>)
52FL
o
MF1
51F
49F
TB2,
4,5
TH1
TH2
FAN
MOT
OR (I
NDOO
R)OV
ER C
URRE
NT R
ELAY
(IND
OOR
FAN
MOT
OR)
INTE
RNAL
THE
RMOS
TAT
(INDO
OR FA
N M
OTOR
)TE
RMIN
AL B
LOCK
THER
MIST
OR
FUSE
FUSE
(T6.
3AL2
50V)
ZNR
VARI
STOR
AUXI
LIAR
Y RE
LAY
X4-6
SW2
SWE
LED1
LED
(POW
ER S
UPPL
Y)LE
D2LE
D (P
OWER
SUP
PLY<
REM
OTE
CONT
ROLL
ER>)
LED3
LED
(TRA
NSM
ISSI
ON<I
NDOO
R·OU
TDOO
R>)
TH5
SW1
CR1,
2SU
RGE
KILL
ER
MAG
NETI
C CO
NTAC
TOR
(INDO
OR FA
N M
OTOR
<HIG
H SP
EED>
)52
FHi
ROOM
TEM
PLI
QUID
PIP
E TE
MP
COND
/EVA
TEM
P
SYM
BOL
NAM
EIN
DO
OR
UN
IT
ARRE
STER
DSA,
DSR
VARI
STOR
ZNR5
~7SN
B BO
ARD
1
CONN
ECTO
R (E
MER
GENC
Y OP
ERAT
ION)
SWIT
CH (C
APAC
ITY
CODE
)SW
ITCH
(MOD
EL S
ELEC
TION
)
Caut
ion,
1.To
pro
tect
fan
mot
or fr
om a
bnor
mal
cur
rent
,ove
r cur
rent
rela
ys is
inst
alle
d.
Ther
efor
e, d
o no
t cha
nge
fact
ory
set v
alue
of o
ver c
urre
nt re
lays
.
54
32
1
53
42
1
HWE1007B.qx 6/2/15 4:27 PM Page 17
18
PEA-RP400,500GAQ
FUSE
FUSE
t˚t˚t˚
t˚ t˚t˚
DSR
U
U UD
SA
GRE
EN/Y
ELLO
W
(*1)
SW2
122
1
43
OFF
ON
5
ON
OFF
SW1
54
3 ON
OFF
SWE
122
1
43
OFF
ON
5
ON
OFF
SW1
54
3 ON
OFF
SWE
49F
X02
X01
45
C01
52F
321
321C02
C01
52F
L1 L2 L3
TB
2 RED
WHI
TE
BLAC
K
N
REDWHITEBLACK
BLUE
51F
FB
22
FB
12
TB
4-1
TB
4-2
TH
1-2
TH
2-2
TH
5-2
TH
5-1
TH
2-1
TH
1-1
X2
S3
S2
S1
FB21
X1
TB
5
S3
S2
21
S1
FB11
1 2 21214321
CN29
CN41
CN21
CN20
CN
3C
21 3 31 2
1 21 2
LED
3
LED
2
LED
1
X6
X5
X4
37
51
DC
13.1
V2
11
31
31
3
ZNR
54
32
1
CN
51
CN
31
CN
32
CN
DC
ND
KFA
N
CN
2L
CN
22
CN
2D
DC 13.1
V
CN
2S 1 2
CN
SK1 3
DC 13.1
V
CN
2S 1 2
CN
SK1 3
CN
3C21 3 31 2
1 21 2
LED
3
LED
2
LED
1
DC
13.1
V2
11
31
3ZNR
54
32
1
CN
51
CN
31
CN
32
CN
D
CN
2L
CN
22
CN
2D
1 2 21214321
CN
29
CN
41
CN
21
CN
20
X6
X5
X4
37
51
13
CN
DK
FAN
TAB
1
TAB
1
(*1)
SW2
POW
ER B
OARD
INDO
OR
SN
B B
OA
RD
1
(No.
2)CO
NTRO
LLER
BOA
RDIN
DOO
R
INDO
OR
POW
ER B
OARD
CONT
ROLL
ER B
OARD
51F
CR
ZN
R5~
7
12
43
OF
FO
N5
(*1)
SW
2
(No.
1)
(No.
2)
(No.
1)
INDO
OR
Note
:1. C
olor
of e
arth
wire
is y
ello
w an
d gr
een
twist
ing.
2. S
pecif
icatio
n su
bjec
t to
chan
ge w
ithou
t not
ice.
3. In
door
and
out
door
con
nect
ing
wire
s ar
e m
ade
with
pol
aritie
s,m
ake
sure
m
atch
ing
wirin
g an
d te
rmin
al.
4. E
mer
genc
y op
erat
ion
If
a tr
oubl
e oc
curs
with
eith
er th
e re
mot
e co
ntro
ller o
r the
indo
or
micr
ocom
pute
r and
no
othe
r tro
uble
exis
ts, e
mer
genc
y op
erat
ion
for
c
oolin
g or
hea
ting
c
an b
e pe
rform
ed b
y ch
angi
ng th
e se
tting
of c
onne
ctor
(SW
E) "O
N" o
n th
e
indo
or c
ontro
ller b
oard
.
SW
E :O
N / I
ndoo
r fan
is ru
nnin
g hi
gh s
peed
.5.
Sym
bols
used
in w
iring
dia
gram
abo
ve a
re,
:C
ONN
ECTO
R
:TER
MIN
AL
(HE
AVY
DOTT
ED L
INE)
:FIE
LD W
IRIN
G
(TH
IN D
OTT
ED L
INE)
:OPT
IONA
L PA
RTS
6. (*
1)SW
2 sh
ows
PEA-
RP50
0 se
tting
.(2pl
aces
)
In
case
of P
EA-R
P400
set
ting
is sh
own
as b
elow
.
M 1~
IND
OO
R U
NIT
TB
6
REM
OTE
CONT
ROLL
ER
21 B
OAR
DRE
MOT
E CO
NTRO
LLER
PE
CIR
CU
IT B
RE
AK
ER
(FIE
LD S
UP
PLY
)P
EA
-RP
400,
500G
AQ
:15A
PO
WE
R S
UP
PLY
3N~P
E38
0/40
0/41
5V50
Hz
OU
TDO
OR
UN
IT
OU
TDO
OR
UN
IT
TO O
UTD
OO
R U
NIT
CO
NN
ECTI
NG
WIR
ES (P
OLA
R)
TO O
UTD
OO
R U
NIT
CO
NN
ECTI
NG
WIR
ES (P
OLA
R)
(No.
1)
(No.
2)
CO
NN
EC
TOR
(LO
SS
NAY
)
CO
NN
EC
TOR
(CE
NTR
ALL
Y C
ON
TRO
L)C
ON
NE
CTO
R (H
A T
ER
MIN
AL-
A)
CO
NN
EC
TOR
(RE
MO
TE S
WIT
CH
)C
ON
NE
CTO
R (D
RA
IN S
EN
SO
R)
CN
32C
N41
CN
51
CN
31C
N2L
TB3,
TB8
SY
MB
OL
NA
ME
TER
MIN
AL
BLO
CK
OU
TD
OO
R U
NIT
CO
NN
EC
TOR
(EM
ER
GE
NC
Y O
PE
RAT
ION
)S
WIT
CH
(CA
PAC
ITY
CO
RD
)S
W1
SW
ITC
H (M
OD
EL
SE
LEC
TIO
N)
LED
(TR
AN
SM
ISS
ION
<IN
DO
OR
·OU
TDO
OR
>)LE
D3
LED
(PO
WE
R S
UP
PLY
<RE
MO
TE C
ON
TRO
LLE
R>)
LED
2LE
D (P
OW
ER
SU
PP
LY)
LED
1S
WE
SW
2
AR
RE
STE
RDS
A,DS
RVA
RIS
TOR
ZNR5
~7SN
B BO
ARD
1
SY
MB
OL
NA
ME
AUX
ILIA
RY
RE
LAY
X1,
2
INDO
OR C
ONTR
OLLE
R B
OARD
FB21
,FB
22FB
11,F
B12
FER
RIT
E C
OR
ECO
ND
/EVA
TE
MP
LIQ
UID
PIP
E T
EM
PR
OO
M T
EM
P
52F
MAG
NE
TIC
CO
NTA
CTO
R (I
ND
OO
R F
AN
MO
TOR
)
SU
RG
E K
ILLE
RC
R
TH5-
1,5-
2
VAR
ISTO
RZN
RFU
SE
(T6.
3AL2
50V
)FU
SE
IND
OO
R U
NIT
THE
RM
ISTO
R
TER
MIN
AL
BLO
CK
INTE
RN
AL
THE
RM
OS
TAT
(IND
OO
R F
AN
MO
TOR
)
OV
ER
CU
RR
EN
T R
ELA
Y (I
ND
OO
R F
AN
MO
TOR
)FA
N M
OTO
R (I
ND
OO
R)
TH2-
1,2-
2TH
1-1,
1-2
TB2,
4-1,
4-2,
549
F
51F
MF1
X4-
6AU
XIL
IAR
Y R
ELA
Y
NA
ME
RE
MO
TE
CO
NT
RO
LLE
RS
YM
BO
LTB
6TE
RM
INA
L B
LOC
K
Caut
ion,
1. To
pro
tect
fan
mot
or fr
om a
bnor
mal
cur
rent
,ove
r cur
rent
rela
ys is
inst
alle
d.
The
refo
re, d
o no
t cha
nge
fact
ory
set v
alue
of o
ver c
urre
nt re
lays
.
U U
HWE1007B.qx 6/2/15 4:27 PM Page 18
19
PEA-RP400,500GAQR1
U
U U
Not
e:1.
Col
or o
f ear
th w
ire is
yel
low
and
gre
en tw
istin
g.2.
Spe
cific
atio
n su
bjec
t to
chan
ge w
ithou
t not
ice.
3. In
door
and
out
door
con
nect
ing
wire
s ar
e m
ade
with
pol
ariti
es,m
ake
sure
m
atch
ing
wiri
ng a
nd te
rmin
al.
4. E
mer
genc
y op
erat
ion
If
a tr
oubl
e oc
curs
with
eith
er th
e re
mot
e co
ntro
ller o
r the
indo
or
mic
roco
mpu
ter a
nd n
o ot
her t
roub
le e
xist
s, e
mer
genc
y op
erat
ion
for
c
oolin
g or
hea
ting
c
an b
e pe
rform
ed b
y ch
angi
ng th
e se
tting
of c
onne
ctor
(SW
E) "
ON
" on
the
in
door
con
trolle
r boa
rd.
S
WE
:O
N /
Indo
or fa
n is
runn
ing
high
spe
ed.
5. S
ymbo
ls u
sed
in w
iring
dia
gram
abo
ve a
re,
:C
ON
NE
CTO
R
:TE
RM
INA
L(H
EAV
Y D
OTT
ED
LIN
E):F
IELD
WIR
ING
(TH
IN D
OTT
ED
LIN
E):O
PTI
ON
AL
PAR
TS6.
(*1)
SW
2 sh
ows
PE
A-R
P50
0 se
tting
.(2pl
aces
)
In c
ase
of P
EA
-RP
400
setti
ng is
sho
wn
as b
elow
.
IND
OO
R U
NIT
GREE
N/YE
LLOW
(*1)
SW2
122
1
43
OFF
ON5
ON OFF
SW1
54
3 ON
OFF
SW
E
122
1
43
OFF
ON5
ON OFF
SW1
54
3 ON
OFF
SW
E
49F
X02
X01
45
C01
52F
321
321C02
C01
52F
L1 L2 L3
TB
2 RED
WHI
TEBL
ACK
N
21
REDWHITEBLACK
CIR
CU
IT B
RE
AK
ER
(FIE
LD S
UP
PLY
)P
EA
-RP
400,
500G
AQR
1:15
A
PO
WE
R S
UP
PLY
3N~
PE
380/
400/
415V
50H
zBL
UE
FUSE
51F
FUSE
FB
22
FB
12
TB4-
1
TB4-
2
TH
1-2
TH
2-2
TH
5-2
TH
5-1
TH
2-1
TH
1-1
t˚ t˚t˚
X2
S3
S2
S1
FB21
X1
t˚t˚ t˚
MF1 3~
TB
6
TB
5
S3
S2
REM
OTE
CONT
ROLL
ER
21
S1
FB11
1 2 21214321
CN
29
CN
41
CN
21
CN
20
DSR
DSA
CN
3C
21 3 31 2
1 21 2
LED
3
LED
2
LED
1
X6
X5
X4
37
51
DC
13.1
V2
11
31
31
3
ZNR
54
32
1
CN
51
CN
31
CN
32
CN
DCN
DKFA
N
CN
2L
CN
22
CN
2D
DC 13.1
V
CN
2S 1 2
CN
SK 1 3
DC 13.1
V
CN
2S 1 2
CN
SK 1 3
CN
3C21 3 31 2
1 21 2
LED
3
LED
2
LED
1
DC
13.1
V2
11
31
3ZNR
54
32
1
CN
51
CN
31
CN
32
CN
D
CN
2L
CN
22
CN
2D
1 2 21214321
CN
29
CN
41
CN
21
CN
20
X6
X5
X4
37
51
13
CNDK
FAN
TAB
1
TAB
1
OU
TD
OO
R U
NIT
OU
TD
OO
R U
NIT
(*1)
SW2
POW
ER B
OARD
INDO
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HWE1007B.qx 6/2/15 4:27 PM Page 19
20
PEA-RP200GAQ PEA-RP250GAQPEA-RP400GAQ PEA-RP500GAQ
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8 REFRIGERANT SYSTEM DIAGRAM
HWE1007B.qx 6/2/15 4:27 PM Page 20
21
9 TROUBLESHOOTING
<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit.Actions to be taken for service and the inferior phenomenon reoccurrence at field are summarized in the table below. Checkthe contents below before investigating details.
9-1. TROUBLESHOOTING
Unit conditions at service Error code Actions to be taken for service (summary)
The inferior phenomenon isreoccurring.
Displayed
Not displayed
Judge what is wrong and take a corrective action according to “SELF-DIAGNOSIS ACTION TABLE” (9-2).
Identify the cause of the inferior phenomenon and take a corrective action according to “TROUBLESHOOTING BY INFERIOR PHENOMENA ” (9-3).
The inferior phenomenon is not reoccurring.
Logged
Not logged
1Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor, poor connection of wiring, noise and etc. Re-check the symptom, and check the installation environment, refrigerant amount, weather when the inferior phenomenon occurred, and wiring related. 2Reset error code logs and restart the unit after finishing service.3There is no abnormality in electrical components, controller boards, and remote controller.
1Recheck the abnormal symptom.2Identify the cause of the inferior phenomenon and take a corrective action according to “TROUBLESHOOTING BY INFERIOR PHENOMENA ” (9-3).3Continue to operate unit for the time being if the cause is not ascertained.4There is no abnormality in electrical components, controller boards, remote controller etc.
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22
9-2. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display
such as F, U, and other E.
Error Code Meaning of error code and detection method Cause Countermeasure
P1
Abnormality of room temperature thermistor (TH1)1 The unit is in three-minute resume
prevention mode if short/open of thermistor is detected. Abnormal if theunit does not reset normally after threeminutes. (The unit returns to normaloperation, if it has normally reset.)
2 Constantly detected during cooling, drying, and heating operation.Short: 90: or moreOpen: -40: or less
1 Defective thermistor characteristics.
2 Contact failure of connector(CN20) on the indoor controllerboard. (Insert failure)
3 Breaking of wire or contact failure of thermistor wiring.
4 Defective indoor controllerboard.
1~3 Check resistance value of thermistor.0: ······15.0k"10: ····9.6k"20: ····6.3k"30: ····4.3k"40: ····3.0k"If you put force on (draw or bend) the lead wirewith measuring resistance value of thermistorbreaking of wire or contact failure can bedetected.2 Check contact failure of connector (CN20) on
the indoor controller board. Refer to 9-6.Turn the power on again and check restartafter inserting connector again.
4 Check room temperature display on remotecontroller.Replace indoor controller board if there isabnormal difference with actual room temperature.
Turn the power off, and on again to operate after check.
P2
Abnormality of pipe temperature thermistor/Liquid (TH2)1 The unit is in three-minute resume
prevention mode if short/open of thermistor is detected. Abnormal if theunit does not reset normally after threeminutes. (The unit returns to normaloperation, if it has normally reset.)
2 Constantly detected during cooling, drying, and heating (except defrosting)operation.Short: 90: or moreOpen: -40: or less
1 Defective thermistor characteristics.
2 Contact failure of connector(CN21) on the indoor controllerboard. (Insert failure)
3 Breaking of wire or contact failure of thermistor wiring.
4 Defective refrigerant circuit iscausing thermistor temperatureof 90: or more or -40: orless.
5 Defective indoor controller board.
1~3 Check resistance value of thermistor.For characteristics, refer to (P1) above.2 Check contact failure of connector (CN21) on
the indoor controller board. Refer to 9-6. Turnthe power on and check restart after insert-ing connector again.
4 Check pipe <liquid> temperature with remotecontroller in test run mode. If pipe <liquid>temperature is exclusively low (in coolingmode) or high (in heating mode), refrigerantcircuit may have defective.
5 Check pipe <liquid> temperature with remotecontroller in test run mode. If there is exclusivedifference with actual pipe <liquid> temperature,replace indoor controller board.
Turn the power off, and on again to operate after check.
P4
Abnormality of drain sensor (DS)1 Suspensive abnormality, if short/open of
thermistor is detected for 30 secondscontinuously.Turn off compressor and indoor fan.
2 Short/open is detected for 30 secondscontinuously during suspensive abnormality.(The unit returns to normal operation, if it has normally reset.)
3 Detect the following condition.• During cooling and drying operation.• In case that pipe <liquid> temperature
- room temperature <-10deg(Except defrosting)
• When pipe <liquid> temperature orroom temperature is short/open temperature.
• During drain pomp operation.
1 Defective thermistor characteristics
2 Contact failure of connector(CN31) on the indoor controllerboard. (Insert failure).
3 Breaking of wire or contact failure of drain sensor wiring.
4 Defective indoor controller board.
1~3 Check resistance value of thermistor.0: ······6.0k"10: ····3.9k"20: ····2.6k"30: ····1.8k"40: ····1.3k"2 Check contact failure of connector (CN31) on
the indoor controller board. Refer to 9-6. Turnthe power on again and check restart afterinserting connector again.
4 Replace indoor controller board if drain pump operates with the line of drain sensorconnector CN31-1 and 2 is short-circuited,and abnormality reappears.
Turn the power off, and on again to operate after check.
P5
Malfunction of drain pump (DP)1 Suspensive abnormality, if thermistor
of drain sensor is let heat itself and temperature rises slightly. Turn off compressor and indoor fan.
2 Drain pomp is abnormal if the conditionabove is detected during suspensiveabnormality.
3 Constantly detected during drain pompoperation.
1 Malfunction of drain pump2 Defective drain
Clogged drain pumpClogged drain pipe
3 Attached drop of water at thedrain sensor• Drops of drain trickles from
lead wire.• Clogged filter is causing
wave of drain.4 Defective indoor controller board.
1 Check if drain-up machine works.2 Check drain function.3 Check the setting of lead wire of drain sensor
and check clogs of the filter.4 Replace indoor controller board if drain
pump operates with the line of drain sensorconnector CN31-1 and 2 is short-circuitedand abnormality reappears.Refer to 9-6.
Turn the power off, and on again to operate after check.
HWE1007B.qx 6/2/15 4:27 PM Page 22
23
Error Code Meaning of error code and detection method Cause Countermeasure
P6
Freezing/overheating protection isworking1 Freezing protection (Cooling mode)
The unit is in six-minute resume preventionmode if pipe <liquid or condenser/evap-orator> temperature stays under -15: for three minutes, three minutesafter the compressor started. Abnormalif it stays under -15: for three minutesagain within 16 minutes after six-minuteresume prevention mode.<Frost prevention mode>If pipe <liquid or condenser-evaporator> temperature is 2: or below when 16 minutes has passed after compressor starts operating, unit will start operating in frost prevention mode which stops compressor operation. After that, when pipe <liquid or condenser/evaporator> temperature stays 10: or more for 3minutes, frost prevention mode will be released and compressor will restart itsoperation.
2 Overheating protection (Heating mode)The units is in six-minute resume prevention mode if pipe <condenser /evaporator> temperature is detected asover 70: after the compressor started.Abnormal if the temperature of over70: is detected again within 10 minutesafter six-minute resume preventionmode.
P8
1 Slight temperature differencebetween indoor room temperature and pipe <liquid or condenser / evaporator> temperature thermistor• Shortage of refrigerant• Disconnected holder of pipe
<liquid or condenser / evaporator> thermistor
• Defective refrigerant circuit2 Converse connection of
extension pipe (on plural unitsconnection)
3 Converse wiring of indoor/outdoor unit connecting wire(on plural units connection)
4 Defective detection of indoorroom temperature and pipe<condenser / evaporator> temperature thermistor
5 Stop valve is not opened completely.
(Cooling or drying mode)1 Clogged filter (reduced airflow)2 Short cycle of air path3 Low-load (low temperature)
operation beyond the tolerancerange
4 Defective indoor fan motor• Fan motor is defective.• Indoor controller board is
defective.
5 Defective outdoor fan control6 Overcharge of refrigerant7 Defective refrigerant circuit
(clogs)
(Heating mode)1 Clogged filter (reduced airflow)2 Short cycle of air path3 Over-load (high temperature)
operation beyond the tolerancerange
4 Defective indoor fan motor• Fan motor is defective.• Indoor controller board is
defective.
5 Defective outdoor fan control6 Overcharge of refrigerant7 Defective refrigerant circuit
(clogs)8 Bypass circuit of outdoor unit
is defective.
(Cooling or drying mode)1 Check clogs of the filter.2 Remove shields.
4 Measure the resistance of fan motor's winding.Measure the output voltage of fan's connector(Relay for FAN) on the indoor controller board.∗The indoor controller board should be
normal when voltage of AC 220~240V is detected while fan motor is connected.Refer to 9-6.
5 Check outdoor fan motor.67 Check operating condition of refrigerant
circuit.
(Heating mode)1 Check clogs of the filter.2 Remove shields.
4 Measure the resistance of fan motor's winding.Measure the output voltage of fan's connector(Relay for FAN) on the indoor controller board.∗The indoor controller board should be
normal when voltage of AC 220~240V is detected while fan motor is connected.Refer to 9-6.
5 Check outdoor fan motor.6~8Check operating condition of refrigerant
circuit.
Abnormality of pipe temperature<Cooling mode>Detected as abnormal when the pipe tem-perature is not in the cooling range 3 min-utes later of compressor start and 6 min-utes later of the liquid or condenser/evapo-rator pipe is out of cooling range.Note 1) It takes at least 9 min. to detect.Note 2) Abnormality P8 is not detected in
drying mode.Cooling range : -3 deg ] (TH-TH1) TH: Lower temperature between: liquid
pipe temperature (TH2) and con-denser/evaporator temperature (TH5)
TH1: Intake temperature
<Heating mode>When 10 seconds have passed after thecompressor starts operation and the hotadjustment mode has finished, the unit isdetected as abnormal whencondenser/evaporator pipe temperature isnot in heating range within 20 minutes.
Note 3) It takes at least 27 minutes todetect abnormality.
Note 4) It excludes the period of defrosting(Detection restarts when defrost-ing mode is over)
Heating range : 3 deg [ (TH5-TH1)
1~4Check pipe <liquid or condenser /evaporator> temperature with room tem-perature display on remote controller and outdoor controller circuit board.Pipe <liquid or condenser / evaporator> temperature display is indicated by setting SW2 of outdoor controller circuit board as follows.
23Check converse connection of extension pipe or converse wiring of indoor/outdoor unit connecting wire.
Conduct temperature check with outdoorcontroller circuit board after connecting ‘A-Control Service Tool(PAC-SK52ST)’.( )
HWE1007B.qx 6/2/15 4:27 PM Page 23
24
Error Code Meaning of error code and detection method Cause Countermeasure
P9
Abnormality of pipe temperature ther-mistor / Condenser-Evaporator (TH5)1 The unit is in three-minute resume pro-
tection mode if short/open of thermistoris detected. Abnormal if the unit doesnot get back to normal within three min-utes. (The unit returns to normal opera-tion, if it has normally reset.)
2 Constantly detected during cooling, dry-ing, and heating operation (exceptdefrosting)Short: 90: or moreOpen: -40: or less
1 Defective thermistor characteristics
2 Contact failure of connector(CN29) on the indoor controllerboard. (Insert failure)
3 Breaking of wire or contact failure of thermistor wiring.
4 Temperature of thermistor is90: or more or -40: or lesscaused by defective refrigerantcircuit.
5 Defective indoor controllerboard.
1~3 Check resistance value of thermistor.For characteristics, refer to (P1) above.
2 Check contact failure of connector (CN29)on the indoor controller board.Refer to 9-6.Turn the power on and check restart afterinserting connector again.
4 Operate in test run mode and check pipe<condenser / evaporator> temperature withoutdoor controller circuit board. If pipe <condenser / evaporator> temperature isexclusively low (in cooling mode) or high (inheating mode), refrigerant circuit may havedefective.
5 Operate in test run mode and check pipe<condenser / evaporator> temperature withoutdoor control circuit board. If there is exclusive difference with actual pipe <condenser / evaporator> temperaturereplace indoor controller board.There is no abnormality if none of abovecomes within the unit.Turn the power off and on again to operate.
E0orE4
Remote controller transmissionerror(E0)/signal receiving error(E4)1 Abnormal if main or sub remote con-
troller can not receive normally anytransmission from indoor unit of refriger-ant address “0” for three minutes.(Error code : E0)
2 Abnormal if sub remote controller couldnot receive for any signal for two min-utes. (Error code: E0)
1 Abnormal if indoor controller board cannot receive normally any data fromremote controller board or from otherindoor controller board for three minutes.(Error code: E4)
2 Indoor controller board cannot receiveany signal from remote controller for twominutes. (Error code: E4)
1 Check disconnection or looseness of indoorunit or transmission wire of remote controller.
2 Set one of the remote controllers “main”.If there is no problem with the action above.
3 Check wiring of remote controller.• Total wiring length: max.500m
(Do not use cablex 3 or more)• The number of connecting indoor units:
max.16units• The number of connecting remote con-
troller: max.2units
When it is not the above-mentioned problem of1~34 Diagnose remote controllers.
a) When “RC OK” is displayed,Remote controllers have no problem.Put the power off, and on again to check.If abnormality generates again, replaceindoor controller board.
b) When “RC NG” is displayed,Replace remote controller.
c) When “RC E3” is displayed,d) When “ERC 00-06” is displayed,[ c),d)→Noise may be causing abnormality. ]
∗ If the unit is not normal after replacingindoor controller board in group control,indoor controller board of address “0”may be abnormal.
E3orE5
Remote controller transmissionerror(E3)/signal receiving error(E5)1 Abnormal if remote controller could not
find blank of transmission path for sixseconds and could not transmit.(Error code: E3)
2 Remote controller receives transmitteddata at the same time, compares thedata, and when detecting it, judges different data to be abnormal 30 continuous times. (Error code: E3)
1 Abnormal if indoor controller board couldnot find blank of transmission path.(Error code: E5)
2 Indoor controller board receives trans-mitted data at the same time, comparesthe data,and when detecting it, judgesdifferent data to be abnormal 30 continuous times. (Error code: E5)
1 Set a remote controller to main, and theother to sub.
2 Remote controller is connected with only oneindoor unit.
3 The address changes to a separate setting.
4~6 Diagnose remote controller.a) When “RC OK”is displayed, remote con-
trollers have no problem.Put the power off,and on again to check.When becoming abnormal again, replaceindoor controller board.
b)When “RC NG”is displayed, replaceremote controller.
c)When “RC E3”or “ERC 00-66”is displayed,noise may be causing abnormality.
1 Contact failure at transmissionwire of remote controller
2 All remote controllers are setas “sub” remote controller. Inthis case, E0 is displayed onremote controller, and E4 isdisplayed at LED (LED1, LED2)on the outdoor controller circuitboard.
3 Mis-wiring of remote controller.4 Defective transmitting receiving
circuit of remote controller5 Defective transmitting receiving
circuit of indoor controller boardof refrigerant address “0”.
6 Noise has entered into thetransmission wire of remotecontroller.
1 Two remote controller are setas “main.”(In case of 2 remote con-trollers)
2 Remote controller is connectedwith two indoor units or more.
3 Repetition of refrigerantaddress.
4 Defective transmitting receivingcircuit of remote controller.
5 Defective transmitting receivingcircuit of indoor controllerboard.
6 Noise has entered into trans-mission wire of remote con-troller.
In case of checking pipe temperaturewith outdoor controller circuit board,be sure to connect A-control servicetool (PAC-SK52ST).( )
HWE1007B.qx 6/2/15 4:27 PM Page 24
25
PA(2502)(2500)
Forced compressor stop (due to water leakage abnormality)1 When the intake temperature subtracted
with liquid pipe temperature is less than-10:, drain sensor is detected whether it is soaked in the water or not at the interval of 90 seconds. (Drain pump will start operatingwhen the drain sensor is detected to be soaked in the water.)
2 The unit has a water leakage abnormality when the following conditions, a and b, aresatisfied while the above-mentioned detectionis performed.a) The drain sensor is detected to be
soaked in the water 10 times in a row.b) The intake temperature subtracted with
liquid pipe temperature is detected to beless than -10: for a total of 30 minutes.(When the drain sensor is detected to be NOT soaked in the water, the detectionrecord of a and b will be cleared.)
3 The drain sensor detection is performed in operations other than cooling. (When the unit stops operating, during heating or fan operation, when the unit stops because of some abnormality)
*Once the water leakage abnormality is detected, abnormality state will not be released until the main power is reset.
1) Drain pump trouble
2) Drain defective· Drain pump clogging· Drain pipe clogging
3) Open circuit of drain sensor side heater
4) Contact failure of drain sensor connector
5) Dew condensation on drain sensor
· Drain water descends along lead wire.
· Drain water waving due to filterclogging.
6) Extension piping connection difference at twin, triple,quadruple system.
7) Mis-wiring of indoor/ outdoorconnecting at twin, triple,quadruple system.
8) Room temperature thermistor /liquid pipe temperature thermis-tor detection is defective.
Check the drain pump.PerformancePlease confirm whether water can be drained.
Confirm the resistance of the drain sensor sideheater.
Check the connector contact failure.
1 Check the drain sensor leadwire mounted.2 Check the filter clogging
Check the piping connection.
Check the indoor/ outdoor connecting wires.
Check the room temperature display of remotecontroller.Check the indoor liquid pipe temperature dis-play of outdoor controller board.
E6
1 Contact failure, short circuit or,mis-wiring (converse wiring) ofindoor/outdoor unit connectingwire
2 Defective transmitting receivingcircuit of indoor controller board
3 Defective transmitting receivingcircuit of indoor controller board
4 Noise has entered into indoor/outdoor unit connecting wire.
∗ Check LED display on the outdoor control cir-cuit board. (Connect A-control service tool,PAC-SK52ST.)Refer to EA-EC item if LED displays EA-EC.
1 Check disconnection or looseness of indoor/outdoor unit connecting wire of indoor unit oroutdoor unit.Check all the units in case of twin triple indoor unit system.
2~4 Turn the power off, and on again tocheck. If abnormality generates again,replace indoor controller board or outdoor controller circuit board.
∗ Other indoor controller board may have defective in case of twin triple indoor unit system.
E7
Indoor/outdoor unit communicationerror (Transmitting error)Abnormal if “1” receiving is detected 30times continuously though indoor controllerboard has transmitted “0”.
1 Defective transmitting receivingcircuit of indoor controller board
2 Noise has entered into powersupply.
3 Noise has entered into outdoorcontrol wire.
1~3 Turn the power off, and on again tocheck. If abnormality generates again,replace indoor controller board.
Indoor/outdoor unit communicationerror (Signal receiving error)1 Abnormal if indoor controller board
cannot receive any signal normally forsix minutes after putting the power on.
2 Abnormal if indoor controller board cannot receive any signal normally forthree minutes.
3 Consider the unit abnormal under thefollowing condition: When two or moreindoor units are connected to one outdoor unit, indoor controller board cannot receive a signal for three minutesfrom outdoor controller circuit board, asignal which allows outdoor controllercircuit board to transmit signals.
Error Code Meaning of error code and detection method Cause Countermeasure
Fb
Abnormality of indoor controller boardAbnormal if data cannot be normally readfrom the nonvolatile memory of the indoorcontroller board.
1 Defective indoor controllerboard.
1 Replace indoor controller board.
E1orE2
Abnormality of remote controller controlboard1 Abnormal if data cannot be normally
read from the nonvolatile memory of theremote controller control board.(Error code: E1)
2 Abnormal if the clock function of remotecontroller cannot be normally operated.(Error code: E2)
1 Defective remote controller. 1 Replace remote controller.
HWE1007B.qx 6/2/15 4:27 PM Page 25
26
(For the separate indoor/outdoor unit power sup-ply system)
1 Power supply of 220~240V AC is not supplied toindoor unit.
2 The connectors of the optional replacement kit arenot used.
3 Defective indoor controller board.
4 Defective indoor power board.
9-3. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote
controller.
Phenomena Cause Countermeasure(1)LED2 on indoor controller board
is off.• When LED1 on indoor controller board is also off.1 Power supply of rated voltage is not supplied to out-
door unit.
2 Defective outdoor controller circuit board.
3 Power supply of 220~240V is not supplied to indoorunit.
4 Defective indoor power board.
5 Defective indoor controller board.
1 Check the voltage of outdoor power supply terminal block (L, N) or (L3, N).• When AC 220~240V is not detected.
Check the power wiring to outdoor unit and the breaker.
• When AC 220~240V is detected.—Check 2 (below).
2 Check the voltage between outdoor terminal block S1 and S2.• When AC 220~240V is not detected.
Check the fuse on outdoor controllercircuit board.Check the wiring connection.
• When AC 220~240V is detected.—Check 3 (below).
3 Check the voltage between indoor terminalblock S1 and S2.• When AC 220~240V is not detected.
Check indoor/outdoor unit connecting wire for mis-wiring.
• When AC 220~240V is detected.—Check 4 (below).
4 Check voltage output from CN2S on indoorpower board (DC13.1V). Refer to 9-6-1.• When no voltage is output.
Check the wiring connection.• When output voltage is between
DC12.5V and DC13.7V.—Check 5 (below).
5 Check the wiring connection betweenindoor controller board and indoor powerboard. Check the fuse on indoor controllerboard. If no problems are found, indoorcontroller board is defective.
• When LED1 on indoor controller board is lit.1 Mis-setting of refrigerant address for outdoor unit
(There is no unit corresponding to refrigerant address “0”.)
1 Reconfirm the setting of refrigerantaddress for outdoor unitSet the refrigerant address to “0”.(For grouping control system under which 2 or more outdoor units are connected, set one of the units to “0”.)Set refrigerant address using SW1 (3-6) on outdoor controller circuit board.
1 Check the voltage of indoor power supplyterminal block (S1,S2).• When AC220~240V is not detected.
Check the power supply wiring.• When AC220~240V is detected.
-Check 2 (below).2 Check that there is no problem in the
method of connecting the connectors.• When there are problems in the method
of connecting the connectors.Connect the connector correctly refer-ring to installation manual of an optionalkit.
• When there is no problem in themethod of connecting the connectors.-Check 3 (below).
3 Check voltage output from CNDK onindoor controller board.• When AC220~240V is not detected.
Check the fuse on indoor controllerboard.Check the wiring connection betweenindoor power supply terminal block andCND on indoor controller board.
• When AC220~240V is detected.-Check 4 (below).
4 Check voltage output from CN2S onindoor power board.• When no voltage output.
Check the wiring connection betweenCNDK on indoor controller board andCNSK on indoor power board.If no problem are found,indoor powerboard is defective.
• When DC12.5~13.7V is detected.Check the wiring connection betweenCN2S on indoor power board andCN2D on indoor power board.If no problem are found,indoor controllerboard is defective.
HWE1007B.qx 6/2/15 4:27 PM Page 26
27
Note: Refer to the manual of outdoor unit for the detail of remote controller.
Phenomena Cause Countermeasure
(2)LED2 on indoor controller board is blinking.
• When LED1 on indoor controller board is also blinking.Connection failure of indoor/outdoor unit connecting wire
• When LED1 is lit.1 Mis-wiring of remote controller wires
Under twin triple indoor unit system, 2 or more indoor units are wired together.
2 Refrigerant address for outdoor unit is wrong or notset.Under grouping control system, there are some units whose refrigerant address is 0.
3 Short-cut of remote controller wires4 Defective remote controller
Check indoor/outdoor unit connecting wirefor connection failure.
1 Check the connection of remote con-troller wires in case of twin triple indoor unit system. When 2 or more indoor unitsare wired in one refrigerant system,
connect remote controller wires to one ofthose units.
2 Check the setting of refrigerant addressin case of grouping control system.If there are some units whose refrigerant addresses are 0 in one group, set one of the units to 0 using SW1 (3-6) on outdoor controller circuit board.
34 Remove remote controller wires and check LED2 on indoor controller board.
• When LED2 is blinking, check theshort-cut of remote controller wires.
• When LED2 is lit, connect remote controller wires again and:if LED2 is blinking, remote controller is defective; if LED2 is lit, connection failure of remote controller terminal block etc. has returned to normal.
9-4. WHEN WIRED REMOTE CONTROLLER OR INDOOR UNIT MICRO COMPUTER TROUBLES1. If there is not any other wrong when trouble occurs, emergency operation starts as the indoor controller board switch (SWE)
is set to ON.During the emergency operation the indoor unit is as follows;(1) Indoor fan high speed operation (2) Drain-up machine operation
2. When emergency operating for COOL or HEAT, setting of the switch (SWE) on the indoor controller board and outdoor unitemergency operation are necessary.
3. Check items and notices as the emergency operation(1) Emergency operation cannot be used as follows;
• When the outdoor unit is something wrong.• When the indoor fan is something wrong.• When drain over flow protected operation is detected during self-diagnosis. (Error code : P5)
(2) Emergency operation will be serial operation by the power supply ON/OFF.ON/OFF or temperature, etc. adjustment is not operated by the remote controller.
(3) Do not operate for a long time as cold air is blown when the outdoor unit starts defrosting operation during heat emer-gency operation.
(4) Cool emergency operation must be within 10 hours. Other wise, heat exchanger of indoor unit may get frosted.(5) After completing the emergency operation, return the switch setting, etc. in former state.(6) Since vane does not work at emergency operation, position the vane slowly by hand.
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9-5. HOW TO CHECK THE PARTSPEA-RP200GAQ PEA-RP250GAQPEA-RP400GAQ PEA-RP500GAQ
Parts name Check points
Disconnect the connector then measure the resistance using a tester.(Surrounding temperature 10:~30:)
(Refer to the thermistor)
Room temperaturethermistor (TH1)
Pipe temperaturethermistor/liquid (TH2)
Condenser/evaporatortemperature thermistor (TH5)
Normal
4.3k"~9.6k"
Abnormal
Open or short
Thermal protector trip temperature135 ±5˚C : open86 ±15˚C : close
•PEA-RP200/250GAQ
Thermal protector trip temperature150 ±5˚C : open96 ±15˚C : close
•PEA-RP400/500GAQ
THERMO
W
Z Y
a bU
X
V
THERMO
Normal
20.6Ω
25.6Ω
PEA-RP200/250GAQPEA-RP200GAQ.TH-AFPEA-RP250GAQ.TH-AFPEA-RP200GAQR2.TH-AFPEA-RP250GAQR2.TH-AF
Red-White / White-Blue / Red-Blue
Red-White / White-Blue / Red-Blue
Red-White / White-Blue / Red-Blue
Red-White / White-Blue / Red-Blue
Abnormal
Open or
short
Hi
Lo
34.2Ω PEA-RP400GAQPEA-RP400GAQ.TH-AFPEA-RP400GAQR1.TH-AF
25.2Ω PEA-RP500GAQPEA-RP500GAQ.TH-AFPEA-RP500GAQR1.TH-AF
Measure the resistance value across the terminals with a multimeter. (Winding
temperature 20 ˚C)
(LO)
(LO)
(HI)
(HI)
U2
U1
V1
V1
W1
W2
(LO)
(HI)Black marking
Black marking
Black marking
Yellow
Blue
Red
Red
Blue
Yellow
White
White
Fan motor
PEA-RP200GAQ.TH-AFPEA-RP250GAQ.TH-AFPEA-RP200GAQR2.TH-AFPEA-RP250GAQR2.TH-AF
PEA-RP400GAQ.TH-AFPEA-RP400GAQR1.TH-AFPEA-RP500GAQ.TH-AFPEA-RP500GAQR1.TH-AF
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0
10
20
30
40
50
-20 -10 0 10 20 30 40 50
< Thermistor for lower temperature >
Temperature (:)
Res
ista
nce
(K"
)
<Thermistor Characteristic graph>
•Room temperature thermistor(TH1)•Pipe temperature thermistor/liquid(TH2)•Condenser/Evaporator temperature thermistor(TH5)
Thermistor R0=15k' ± 3%Fixed number of B=3480 ± 2%
Rt=15exp 3480( )
0: 15k'10: 9.6k'20: 6.3k'25: 5.2k'30: 4.3k'40: 3.0k'
Thermistor for lower temperature
1273+t
1273
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9-6. TEST POINT DIAGRAM9-6-1. Power board
CNSKConnect to the indoor controller board(CNDK)Between 11 to 33 220-240V AC
CN2SConnect to the indoor controller board (CN2D)Between 11 to 33 12.6-13.7V DC (Pin11 (+))
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9-6-2. Indoor controller board
FANFan motor output
CNPDrain-pump output(DP)(220~240V AC)
CNCDew preventionheater (H2)(220~240V AC)
CNDKConnect to the indoorpower board (CNSK)(220~240V AC)
FUSE(6.3A 250V)
CNDPower supply input(220~240V AC)
SWEEmergency operation
SW2Capacity setting
SW1Model setting
CN2LConnector (LOSSNAY)
CN51Centrally control
CN6VVane motor output(MV)
CN90Connect to thewireless remotecontroller board(CNB)
CN31Drain sensor (DS)
CN29Condenser/evaporatortemperature thermistor(TH5)
CN21Pipe temperaturethermistor/Liquid(TH2)
CN20Room temperaturethermistor (TH1)
CN22Remote controllerconnecting wire(10.4~14.6V DC)
LED3Transmission(Indoor/outdoor)
LED2Power supply (R.B)
LED1Power supply (I.B)
CN2DConnector to the indoorpower board (CN2S)(12.5~13.7V DC)
CN3CTransmission(Indoor/outdoor)(0~24V DC)
Non polarity
+ –
+
–
CN41Connector (HA terminal-A)
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SW1
Setting by the dip switch and jumper wireFunctionsJumper wire
Modelsettings
Capacitysettings
Remarks
SW2
Unit type setting
JP1
Indoor controller board type setting
JP3
There is no jumper (JP1) because these models have the cond./eva. temperature thermistor (TH5).
(Marks in the table below) Jumper wire ( : Short : Open)
Without TH5With TH5
Model JP1
Factory shipmentService parts
Indoor controller board type JP3
PEA-RP200/250 PEA-RP400/500
PEA-RP200/400 PEA-RP250/500
PEA-RP200GAQ.TH-AFPEA-RP250GAQ.TH-AF
PEA-RP400GAQ.TH-AFPEA-RP500GAQ.TH-AF
PEA-RP200GAQR2.TH-AFPEA-RP250GAQR2.TH-AF
PEA-RP400GAQR1.TH-AFPEA-RP500GAQR1.TH-AF
1
OFFON
5432
1
OFFON
5432 1
OFFON
5432
1
OFFON
5432
1
OFFON
5432 1
OFFON
5432
9-7. FUNCTIONS OF DIP SWITCH AND JUMPER WIREEach function is controlled by the dip switch and the jumper wire on control p.c. board.
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10 SERVICE DATA (PARTS NAME)
Control box
Drain pan
Drain pipe connection(R1)
Fan motor
Sirocco fan
Suspension bracket Special washer
Liquid pipe thermistor(TH2)
2-phasepipethermistor(TH5)
Strainer
StrainerHeat exchanger
Liquid pipe
Gas pipe
Inlet thermistor(TH1)
Drain pan
PEA-RP200/250GAQ
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Drain pan
Drain pipe connection(R1)
Fan motor
Sirocco fan
Suspension bracketControl box
Special washer
Drain pan
Liquid pipe thermistor(TH2-1)
Liquid pipe thermistor(TH2-2)
Strainer
No.2 Strainer
StrainerNo.1 Strainer
2-phase pipethermistor(TH5-1)
Heat exchanger
No.1 Liquid pipe
No.1 Gas pipe
No.2 Liquid pipe
2-phase pipethermistor(TH5-2)
No.2 Gas pipe
No.2Inlet thermistor(TH1-2)
No.1Inlet thermistor(TH1-1)
PEA-RP400/500GAQ
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A
Ferrite corePower supply board
Control board
I/D
POWER BOARD
I/D
CONTROLLER BOARD
Lo52F
Hi52F
51FX1
FB
view AL2
NL3
L1
TB2TB4
TB5
12
S2S1
S3
Relay
SNB board
Magnetic contactor (Fan motor Lo speed)
Magnetic contactor (Fan motor Hi speed)
Terminal block for remote controller
Terminal block for outdoor/indoor control wiring connection
Power supply terminal block
PEA-RP200GAQ.TH-AFPEA-RP250GAQ.TH-AFPEA-RP200GAQR2.TH-AFPEA-RP250GAQR2.TH-AF
PEA-RP200/250GAQ
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PEA-RP400/500GAQ
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HWE1007B
New publication effective May 2015Specifications subject to change without notice
HWE1007B.qx 6/2/15 4:27 PM Page 40