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![Page 1: HEAT RECOVERY UNIT - Easy Air Conditioning · RKh 60 RKH SW L [dB]o ct av e ba nd [Hz] SW L SP L su pp ly SP L retu rn SP L outs id e 1 m 5 m 10 m 1 m 5 m 10 m 1 m 5 m 10 m 63 125](https://reader034.pdfslide.us/reader034/viewer/2022042217/5ec12f70688f8a4f4c68354a/html5/thumbnails/1.jpg)
rkh
Sheet metal supporting frame and double shell
curtain panels externally pre-painted, fully
removable with average 20 mm thick internal
thermal and acoustic insulation.
by special seals.
removable from every side (bottom, side,
top) allowing their periodic cleaning; as an
are available.
Supply and exhaust centrifugal double
suction fans, with electric motor directly
coupled for more speeds, mounted on
special supports.
The unit is complete of electrical terminal
electrical connections and fan control.
Aluminium condensate drain tray, with
discharge from the bottom side.
“
“
TECHNICAL FEATURES
>70%EFFICIENCY
PARTIAL OUTSIDE
V
H
HEAT RECOVERY UNIT high efficiency
from 400 to 5.700 m³/h
INSIDE
ERP 2015
4646 HeHeatat p pumump p - - HeHeatat r rececovoverery y ununitit p p p p y y
![Page 2: HEAT RECOVERY UNIT - Easy Air Conditioning · RKh 60 RKH SW L [dB]o ct av e ba nd [Hz] SW L SP L su pp ly SP L retu rn SP L outs id e 1 m 5 m 10 m 1 m 5 m 10 m 1 m 5 m 10 m 63 125](https://reader034.pdfslide.us/reader034/viewer/2022042217/5ec12f70688f8a4f4c68354a/html5/thumbnails/2.jpg)
HHEAT RRRECOVVVVEEERY UNNNIIT
Pre-or post-heating elements complete with electrical
power board
Direct driven 3 speed fans
Round adapter for circular duct BCC
Pre or post electric heater SKE
Water cooling/heating section SAF
Direct expansion section SED
Adjusting damper SKR
Flexible connection GAT
Roof cover TPR
FC6
FC8
Brushless EC engine DDB
Fan speed control for EC engines RDE
External hood with wire mesh CFA
HCP
Solenoid valve VSA
External by-pass for free-cooling CDM
Supports H=180 mm PD2
3 step fan speed control CVU
Control panel PCR
Remote temperature sensor for PCR NTC
Electronic control LCE
3 way valve with actuator V33
Multifunction electronic control LC2
Continuous modulation of speed MCV
Filters differential pressure switch PSTD
On/off damper actuator SSE
Room hygrostat HAS
Ductable hygrostat HCS
Antifreeze thermostat TEG
Differential pressure transducer DPS
Duct-type CO2 transducer AQS
ACCESSORIES
heat exchanger
4747HeHeatat p pumump p - - HeHeatat r rececovoverery y ununitit p p p p y y
![Page 3: HEAT RECOVERY UNIT - Easy Air Conditioning · RKh 60 RKH SW L [dB]o ct av e ba nd [Hz] SW L SP L su pp ly SP L retu rn SP L outs id e 1 m 5 m 10 m 1 m 5 m 10 m 1 m 5 m 10 m 63 125](https://reader034.pdfslide.us/reader034/viewer/2022042217/5ec12f70688f8a4f4c68354a/html5/thumbnails/3.jpg)
MODELSHEAT RECOVERY UNIT
rkrkh Fan speed 19 2525 30 4040 60606060
Max
m3/h
1000 1800 3000 3900 4800
Med 900 1550 2600 - -
Min 820 1060 2150 3000 4100
External Static Pressure
Max
Pa
194 158 192 143 170
Med 168 116 119 - -
Min 132 81 82 79 125
Max
dB(A)
52,0 56,0 56,0 60,0 64,0
Med 50,0 53,0 54,0 - -
Min 45,0 48,0 48,0 53,0 56,0
W 2 x 420 2 x 420 2 x 550 2 x 750 2 x 1500
A 2 x 2,40 2 x 3,30 2 x 5,50 2 x 3,30 2 x 5,00
kW 2 x 0,56 2 x 0,70 2 x 1,20 2 x 1,89 2 x 3,28
W/(m3/s) 1404 1120 1140 1132 1420
- 2015 2015 2015 2015 2015
n° 3 3 3 2 2
IP 44 IP 44 IP 44 IP 55 IP 55
F F F F F
V-Ph-Hz 230-1-50 400-3+N-50
Max
%
70,9 72,9 72,5 72,1 72,1
Med 71,4 73,6 73,2 - -
Min 71,8 75,4 74,1 73,4 72,9
Max
kW
6,4 11,8 19,5 25,2 31,1
Med 5,8 10,2 17,1 - -
Min 5,3 7,2 14,3 19,8 26,8
Max
°C
10,2 10,7 10,6 10,5 10,5
Med 10,3 10,9 10,8 - -
Min 10,5 11,3 11,0 10,8 10,7
H3 H3 H3 H3 H3
Wateter r cooling accessssorory SASAFFF
3 3 3 3 3
Max Pa 49 53 77 80 80
Max kW 8,20 14,0 18,6 24,0 29,9
Max kW 3,94 7,04 9,79 12,7 16,2
Max °C 16,8 16,8 18,6 18,6 18,3
Max m3/h 1,40 2,39 3,19 4,13 5,11
Max kPa 6 16 27 29 12
Electric p p prerere or popopopoststst-heating accessoryry S SKEKE
Stages 1 1 1 1 1
kW 3,00 4,50 9,00 12,0 12,0
Max °C 8,8 7,4 8,8 9,0 7,4
Max Pa 4 4 8 8 9
V-Ph-Hz 400-3+N-50
HiHighghgh e e efffffficiciency filters
FC6 Pressure drop Max Pa 48 48 69 80 62
FC7 Pressure drop Max Pa 113 114 163 190 146
FC8 Pressure drop Max Pa 156 160 228 283 203
Round adapapteter r fofofor r r cicircrculularar d ducuct t BCC
Diameter mm 315 355 400 450 630
°C 90% RH, ambient air 20°C 50% RH
4848 HeHeatat p pumump p - - HeHeatat r rececovoverery y ununitit p p p p y y
![Page 4: HEAT RECOVERY UNIT - Easy Air Conditioning · RKh 60 RKH SW L [dB]o ct av e ba nd [Hz] SW L SP L su pp ly SP L retu rn SP L outs id e 1 m 5 m 10 m 1 m 5 m 10 m 1 m 5 m 10 m 63 125](https://reader034.pdfslide.us/reader034/viewer/2022042217/5ec12f70688f8a4f4c68354a/html5/thumbnails/4.jpg)
PERFORMANCEHEAT RECOVERY UNIT
3/h)
E.S
.P.
(Pa)
66,0
67,0
68,0
69,0
70,0
71,0
72,0
73,0
74,0
0
50
100
150
200
250
300
350
400 600 800 1000 1200 1400 1600 1800
maxmin
med
eff %
performance
3/h)
P.D
. (P
a)
0
50
100
150
200
250
300
400 600 800 1000 1200 1400 1600 1800
A
F
F
6
fc8
fc7
saf
ske
fc6
components pressure drop
RK
h 1
9
3/h)
E.S
.P.
(Pa)
70,0
71,0
72,0
73,0
74,0
75,0
76,0
0
50
100
150
200
250
300
350
400
450
500
1500 2000 2500 3000 3500 4000 4500
max
min
eff %
performance
3/h)
P.D
. (P
a)
0
50
100
150
200
250
300
1500 2000 2500 3000 3500 4000 4500
fc8
fc7
saf
ske
fc6
components pressure drop
RK
h 4
0
3/h)
E.S
.P.
(Pa)
70,0
71,0
72,0
73,0
74,0
75,0
76,0
77,0
78,0
0
50
100
150
200
250
300
350
400
500 700 900 1100 1300 1500 1700 1900 2100 2300
max
min
med
eff %
performance
3/h)
E.S
.P.
(Pa)
70,0
71,0
72,0
73,0
74,0
75,0
76,0
0
50
100
150
200
250
300
350
400
450
1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600
max
min
med
eff %
performance
3/h)
P.D
. (P
a)
0
50
100
150
200
500 700 900 1100 1300 1500 1700 1900 2100 2300
fc8
fc7
saf
ske
fc6
components pressure drop
3/h)
P.D
. (P
a)
0
50
100
150
200
250
300
1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600
fc8
fc7
saf
ske
fc6
components pressure drop
RK
h 2
5R
Kh
30
4949HeHeatat p pumump p - - HeHeatat r rececovoverery y ununitit p p p p y y
![Page 5: HEAT RECOVERY UNIT - Easy Air Conditioning · RKh 60 RKH SW L [dB]o ct av e ba nd [Hz] SW L SP L su pp ly SP L retu rn SP L outs id e 1 m 5 m 10 m 1 m 5 m 10 m 1 m 5 m 10 m 63 125](https://reader034.pdfslide.us/reader034/viewer/2022042217/5ec12f70688f8a4f4c68354a/html5/thumbnails/5.jpg)
PERFORMANCEHEAT RECOVERY UNIT
DIMENSIONS AND WEIGHTS
3/h)
performance components pressure drop
E.S
.P.
(Pa)
3/h)
0
50
100
150
200
250
300
350
400
450
500
1500 2000 2500 3000 3500 4000 4500 5000 5500 6000
max
min
EFF %
3/h)
P.D
. (P
a)
33/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)33/h)/h)3/h)/h)/h)3/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)/h)
0
50
100
150
200
250
1500 2000 2500 3000 3500 4000 4500 5000
fc8
fc7
saf
ske
fc6
RK
h 6
0
RKH SWSWL L [ [ddBB]o]octctave band [Hz] SWSWSWLLL SPL sususupppplyly SPSPL L return SPSPL L outsididee
1 m 5 m 10 m 1 m 5 m 10 m 1 m 5 m 10 m
63 125 250 500 1000 2000 4000 8000 dB dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A)
19 84,6 78,0 82,8 74,6 75,0 74,6 71,6 65,6 88 81 66 55 50 65 54 49 52 41 36
25 95,6 80,4 84,1 75,0 77,3 76,9 73,7 67,5 96 83 68 57 52 66 55 50 55 44 39
30 96,6 81,3 85,2 76,1 78,2 78,0 74,6 68,0 97 84 69 58 53 66 55 50 56 45 40
40 103,4 83,2 88,7 78,6 80,0 79,9 77,6 72,6 104 87 72 61 56 69 58 53 59 48 43
60 106,8 86,5 92,2 82,1 83,2 83,1 81,4 76,1 107 90 74 64 59 71 61 56 62 52 47
SPL
Supply
SPL
external
SPL
Return
The table lists the sound power values (SWL) in octave bands and totals; it
also indicates the values of sound pressure level (SPL) at 1 m, 5 m and 10
m at supply, return and at the outside of the unit.
All values refer to the operation of the ducted unit at FULL speed and at the
NOISE LEVELS
RKh 191919 2525 30 4040 6060
A mm 1450 1700 1700 1700 1900
B mm 900 1230 1230 1230 1450
C mm 470 490 530 630 755
D mm 100 150 150 150 200
L mm 240 240 339 339 403
H mm 270 270 297 297 350
L1 mm 337 502 502 502 615
H1 mm 327 347 387 487 615
Weight kg 110 155 170 200 300
Horizontal unit Vertical unit
CDCDMM
CD
LL
H
L1L1
H1
H1
AA
BU
CDCDMM
90
90
A
BCD
H
LL1L1
H1H1
U
5050 HeHeatat p pumump p - - HeHeatat r rececovoverery y ununitit p p p p y y
![Page 6: HEAT RECOVERY UNIT - Easy Air Conditioning · RKh 60 RKH SW L [dB]o ct av e ba nd [Hz] SW L SP L su pp ly SP L retu rn SP L outs id e 1 m 5 m 10 m 1 m 5 m 10 m 1 m 5 m 10 m 63 125](https://reader034.pdfslide.us/reader034/viewer/2022042217/5ec12f70688f8a4f4c68354a/html5/thumbnails/6.jpg)
CONFIGURATIONS AND CONTROLSHEAT RECOVERY UNIT
Orientation Rkh (Horizontal version)
Orientation Rkh (Vertical version)
CVU PCR LCE LC2
Manual selection of 3 speed · · · ·
Automatic/manual selection of speed · · ·
Modulating fan management MCV ·
EC fans management DDB ·
Manual ON-OFF · · · ·
Cool/change over valve management SAF+V33 · · ·
Heat valve management SAF+V33 · · ·
Cold/change over pump management SAF ·
Heat pump management SKW ·
Direct expansion coil management (0..10V) SED ·
Defrost recovery management ·
Water coil anti-freeze management · ·
Antifreeze thermostat management TEG+SKR+SSE ·
ON-OFF electric heater management SKE · · ·
Remote probe management NTC ·
Filter pressure switch management PSTD · ·
Management of ventilation with CO2 probe AQS ·
Management of ventilation with one or two pressure sensors DPS ·
Free-cooling damper management CDM · ·
Management of mixing chamber MS3 ·
Management of mixing chamber with CO2 probe AQS+MS3 ·
Management of motorized dampers SKR+SSE ·
HCS+HCP+VSA·
HAS+HCP+VSA
Management of Boost by keyboard ·
Management of adiabatic cooling HCP+VSA ·
Alarms management · ·
Post ventilation · · ·
Weekly programming · ·
Remote ON-OFF · ·
Digital input for PIR occupancy ·
·
Mode change (hot/cold) from digital input · ·
Minimum thermal hot water temperature ·
Remote display with internal sensor · · ·
BMS Modbus RS485 protocol · ·
Reference diagram 1 2 3 4
exhaust
freshair
insideoutside TyPe A
M90
R90
supply
return
E90
A90
supply
return
exhaust
freshair
TyPe A
M90E90
supply
return
Exhaust
freshair
INside outsideTyPe B
M90
R90
E90
A90
exhaust
return
supply
TyPe B
E90
freshair
M90
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