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115
Roof Mounted Fans
Max
. airfl
ow m
3 /sCe
ntrif
ugal
Impe
ller
Axia
l Im
pelle
rSp
eed
Cont
rolla
ble
Acou
stic
Insu
latio
nPa
ge N
umbe
r
TFSK
DHSRA
RC DVS
DVSI
TFSR
RA 11.1 * * 116
RC 4.3 * * 119
TFSK 0.43 * * 120
TFSR 0.43 * * 120
DHS 4.46 * * 122
DVS 4.46 * * 124
DVSI 4.46 * * * 124
DVN 8.75 * * 109
DVNI 8.75 * * * 109
ZRS 0.144 * 146
DVP 2.11 * 145
DVC 3.59 * * 32
DVCI 3.59 * * * 32
Accessories
116
K-Fan EC
Roof Mounted Fans
RA Roof Axial Fan• Cowl & base complete with axial fan. • Sizes from 200mm to 1000mm• Glass fibre cowl & base• Complete with Bird Guards as standard • Colour RAL7035 (others available)• Complete with plate mounted axial fan (supplied loose)• Can be wired in reverse for input air. - performance reduced by up to 30%• Vertical discharge cowls available
Product Code Speedrpm
Airflow m3/sec @ Static Pressure Pa Motor Data dBA @ 3m
Curb SizeExt/Int Sq
Speed control
0Pa 50Pa 100Pa FLC SC kW Elec Trans
RA200-21 2600 0.22 0.18 0.08 0.32 1.28 0.071 56 425/325 STL1.5 RE1.5
RA200-41 1400 0.11 0.03 - 0.062 0.248 0.016 39 425/325 STL1.5 RE1.5
RA250-21 2500 0.44 0.38 0.21 0.6 2.4 0.14 61 425/325 STL1.5 RE1.5
RA250-41 1400 0.22 0.14 - 0.21 0.6 0.04 47 425/325 STL1.5 RE1.5
RA300-21 2700 0.87 0.75 0.65 1.1 2.7 0.23 62 485/385 STL1.5 RE1.5
RA300-41 1390 0.5 0.38 - 0.32 1.1 0.07 48 485/385 STL1.5 RE1.5
RA315-41 1400 0.55 0.43 - 0.59 1.5 0.13 49 485/385 STL1.5 RTRE1.5
RA350-41 1400 0.74 0.62 0.50 0.9 2.5 0.2 52 625/425 STL1.5 RTRE1.5
RA400-41 1320 1.06 0.88 0.71 1.35 2.9 0.31 54 725/525 STL3.0 RTRE3
RA450-41 1310 1.42 1.25 1.04 2.8 7.0 0.61 58 725/550 STL5.0 RTRE3
RA500-41 1210 1.97 1.71 1.48 3.4 7.4 0.77 56 885/685 STL5.0 RTRE5
RA560-41 1300 2.31 2.10 1.53 6.5 15.0 1.6 71 885/685 STL 10 RTRE7
RA630-41 1320 5.10 4.75 4.40 9.9 28.0 2.2 71 985/785 N/A N/A
RA630-61 880 2.57 1.94 - 1.95 4.6 0.43 62 985/785 STL3.0 RTRE3
RA710-61 880 2.95 2.30 - 2.7 5.3 0.6 64 985/785 STL3.0 RTRE5
Single Phase
Product Code Speed rpm
Airflow m3/sec @ Static Pressure Pa. Motor Data dBA @ 3m
Curb sizeExt/Int Sq
Speed control
0Pa 50Pa 100Pa FLC SC kW Trans
RA315-43 1410 0.55 0.44 0.34 0.29 1.0 0.12 52 485/385 RTRD2
RA350-43 1360 0.70 0.59 0.48 0.35 1.0 0.18 54 625/425 RTRD2
RA400-43* 1300 1.03 0.83 0.67 0.48 1.4 0.27 57 725/525 RTRD2
RA450-43* 1340 1.41 1.25 1.10 1.15 3.7 0.61 62 725/550 RTRD2
RA500-43* 1340 2.05 1.82 1.60 1.35 4.7 0.78 62 885/685 RTRD2
RA560-43 1300 2.30 2.02 1.50 1.8 7.0 1.0 66 885/685 RTRD4
RA630-43 1360 3.71 3.47 3.10 3.2 14.0 1.9 73 985/785 RTRD4
RA630-63 880 2.57 1.92 - 1.5 3.6 0.7 63 985/785 RTRD2
RA710-43 1350 5.88 5.55 5.18 4.9 23.0 2.9 75 985/785 RTRD7
RA710-63 890 3.03 2.35 1.58 1.8 6.4 0.89 65 985/785 RTRD2
RA800-63 900 4.69 4.20 3.50 2.7 9.8 1.4 65 1100/900 RTRD4
RA800-83 680 3.59 2.91 - 1.8 5.5 0.72 58 1100/900 RTRD2
RA1000-63 935 11.10 10.51 9.70 10.5 67.0 5.5 81 1300/1100 INV
RA1000-83 670 7.25 6.30 4.31 4.2 13.0 2.2 69 1300/1100 RTRD7
RA1000-103 530 5.20 3.80 - 2.7 9.5 1.25 65 1300/1100 RTRD4
*4 Pole fan with two speed motor. Pre-wired Delta for high speed (4 pole). Change to Star configuration for 6 pole speed.
Three Phase
RetailSchoolsIndustry
WIRINGPage 256
STL Page 229
RTRDPage 230
PBPage 230
SKRPage 230
RS 1Page 231
5
Accessories
117
K-Fan EC
Roof Mounted Fans
K-Fan EC RA Fan
RA horizontal discharge roof cowls are manufactured from glass reinforced plastic, with an ultra violet stabiliser and are precision moulded to provide a durable unit for the severest weather conditions without deterioration of finish. The standard colour finish is RAL 7035. but any B.S. or RAL colour can be provided if required.A full range of ancillary items are available. including: bird guards. back draught shutters. purlin boxes and soaker sheets.
RA roof fans are suitable for extract and supply air.
* Weight of RA shown in the chart includes a plate axial fan.
* Bird guard fitted as standard. * Air operated shutter available - Ref BDS(“size of cowl”)
Model ref. A sq. B sq. C D sq. E Weight kg*
RA200 325 450 90 490 310 18
RA250 325 450 90 490 310 18
RA300 400 510 90 555 340 20
RA315 400 510 90 555 340 20
RA350 400 650 90 675 380 22
RA400 500 750 90 765 460 26
RA450 550 750 90 765 460 29
RA500 650 910 120 995 550 44
RA560 650 910 120 995 550 47
RA630 790 1010 120 1115 650 70
RA710 790 1010 120 1115 650 73
RA800 900 1165 100 1410 750 65
RA1000 1100 1360 80 1650 750 100 - 140
C
D
A
B
E
Other Roof Cowls available (Coloured / Metal - please enquire)
LGV - Vertical DischargeLGH - Low Profile DischargeMetal Roof Cowls availableSizes 225 - 900
Coloured Cowls to any RAL or BS colour
EFS-RCK 5-in-1 Roof Cowl with flashing. Cut off Spigot (100mm, 110mm, 125mm, 150mm &160mm Dia)
Metal Roof Cowls complete with either profiles or flat plate & duct connector (Sizes 160mm & 200mm Dia ) Brick Red or Black Colour Options
THBPage 225
LGVPage 224
LGHPage 224
EFSPage 224
RAPage 224
5
118
K-Fan ECRA Cowl Only Pressure Drop
Resistance through Cowl Only (Air volume m3/s against resistance Pa)Air Volume (m3/s) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1.0 1.2 1.4 1.5 1.6 1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
RA200/250 Intake 4 16 36 64
RA200/250 Discharge 3 12 27 48
RA300/315 Intake 2 6 13 23 36 52
RA300/315 Discharge 1 4 10 17 27 39
RA350 Intake 1 5 10 18 28 39 52 65 106
RA350 Discharge 1 4 7 14 20 28 38 60 90
RA400/450 Intake 2 5 8 11 16 21 28 43 63 86 98
RA400/450 Discharge 1 3 6 8 12 16 21 33 47 64 73
RA500/560 Intake 5 7 9 11 18 27 37 42 46 60 74
RA500/560 Discharge 3 5 6 8 13 20 27 31 36 45 65
RA630/710 Intake 8 10 14 17 18 23 29 45 64 88 114
RA630/710 Discharge 6 8 10 12 14 17 21 32 48 64 87
RA800 Intake 4 6 8 10 11 13 18 27 36 50 66 84 104
RA800 Discharge 2 4 6 7 8 10 12 20 28 38 50 63 78
RA1000 Intake 3 4 6 8 11 16 21 27 34 41 50 60 70 82 94
RA1000 Discharge 2 3 4 6 8 11 16 20 26 31 38 45 53 62 70
Soaker sheet detail (profile required)
Unit ref A square B Upstand C length
SKR200/250 450 150 1800
SKR300/315 515 150 1800
SKR350 650 150 1800
SKR400/450 750 150 1800
SKR500/560 890 150 1800
SKR630/710 1000 150 1800
SKR800 1130 150 1800
SKR1000 1365 150 1800
Upstand detail
Unit ref A’ External B’ Internal
200/250 425 325
300/315 500 400
350 600 400
400/450 700 500
500/560 850 650
630/710 990 790
800 1100 900
1000 1300 1100
UV stabilised glass reinforced polyester soaker sheet for use with roof terminals.
Available in any BS or RAL colour.
May also be supplied flanged.
UV stabilised glass reinforced polyester purlin box for additional support of roof terminals
For pressure drops, select air volume and read down to required cowl size. Pressure drop is given in (Pa) depending on input air or extract air
Roof Mounted Fans
5
Accessories
119
K-Fan EC
Roof Mounted Fans
RC Roof Centrifugal Fan
• Sizes from 315mm to 630mm• Fan - single phase. 230V - 1Ph - 50Hz• Fan - three Phase. 400V - 3Ph - 50Hz• Glass fibre cowl & base• Colour RAL7035 (others available)• Bird guard fitted as standard• Backward curved impeller with external rotor motor
Reinforced UV stabilised glass fibre base and cowl. Coloured to RAL7035 as standard. Other BS/RAL colours available on request.Incorporates a backward curved single inlet centrifugal fan powered by a fully speed controllable, external rotor motor.All motors have class F insulation, IP54 enclosure, sealed-for-life bearings and are fitted with TK thermal protection.Operating range up to 40°C.
ProductCode
Speedrpm
Airflow m3/sec @ Static Pressure Pa. Motor Data dBA @3m
Curb Size Speed control
0Pa 100Pa 200Pa 300Pa FLC SC kW Ext/Int Sq Elec Trans
RC200-12 2500 0.16 0.12 0.07 0.01 0.26 0.7 0.061 53 425/325 STL1.5 RTRE1.5
RC250-12 2600 0.40 0.35 0.29 0.22 0.70 2.1 0.175 65 425/325 STL1.5 RTRE1.5
RC315-41 1340 0.50 0.39 0.25 - 0.47 1.5 0.13 57 510/410 STL1.5 RTRE1.5
RC355-41 1400 0.77 0.70 0.55 0.33 1.35 3.7 0.31 57 650/450 STL3.0 RTRE1.5
RC355-43 1300 0.76 0.62 0.48 0.28 0.6 3.0 0.26 56 650/450 - RTRD2
RC400-41 1350 1.16 1.03 0.88 0.67 2.2 5.0 0.50 56 750/550 STL3.0 RTRE3
RC400-43 1350 1.04 0.94 0.81 0.59 0.8 4.0 0.44 52 750/550 - RTRD2
RC450-41 1360 1.50 1.33 1.20 0.94 3.2 7.0 0.74 62 750/550 STL5.0 RTRE5
RC450-43 1210 1.52 1.39 1.21 0.90 1.4 8.0 0.72 52 750/550 - RTRD2
RC500-41 1390 2.11 2.00 1.80 1.60 5.7 15.0 1.30 62 890/690 STL 10 RTRE7
RC500-43 1420 2.30 2.14 1.90 1.70 2.3 9.2 1.25 64 890/690 - RTRD4
RC560-43 1300 2.86 2.60 2.30 2.14 3.5 10.0 1.80 65 890/690 - RTRD4
RC630-43 1400 4.30 4.10 3.90 3.70 6.8 29.0 4.10 72 990/790 RTRD7
Dimensions
A sq B sq D E Weight/kg
RC200/250 490 325 310 450 10
RC315 555 350 350 555 11
RC355 675 400 430 695 22
RC400 765 500 480 795 25
RC450 765 500 480 795 26
RC500 995 650 490 960 42
RC560 995 650 560 960 52
RC630 1115 790 650 1010 75
RetailSchoolsIndustry
WIRINGPage 256
STL Page 229
RTRDPage 230
PBPage 230
SKRPage 230
RTREPage 229
5
Accessories
120
K-Fan EC
Roof Mounted Fans
TFSK / TFSR Compact Centrifugal Fan
1
2
3
1 2 3
TFSR/TFSK 125MTFSR/TFSK 125XLTFSR/TFSK 160
TFSR/TFSK 200TFSR/TFSK 315 MTFSR/TFSK 315 L
1
2
3
1 2 3
The TFSK range consists of roof fans with square connection and are fitted with a single-inlet centrifugal fan with backward-curved blades and external rotor motors. The motors can be tilted outwards to facilitate inspection and service. They have integral on/off switch and are supplied with 1m cable and are easy connected to our standard roof curbs TG, FDS and SSD. These fans are suitable for exhaust-air ventilation systems, e.g. single and multiple dwellings, offices and day nurseries. To protect the motors from overheating, all motors have an integral thermal contact with automatic reset. The fans are manufactured in powder-coated, galvanized sheet steel and are delivered in the standard colours ofblack or brick red.
ProductCode
*SFP(kW/m3/s)
Speedrpm
Airflow m3/sec @ Static Pressure Pa. Motor Data dBA @ 4m
Speed control
0 50 100 150 200 300 FLC SC kW Elec Trans
TFSK 125M 0.53 1965 0.086 0.064 0.037 0.015 - - 0.13 0.5 0.025 31 REE 1 RE1.5
TFSK 125XL 0.92 2530 0.106 0.094 0.077 0.059 0.036 - 0.26 0.7 0.054 41 REE 1 RE1.5
TFSK 160 0.97 2461 0.12 0.109 0.096 0.081 0.066 0.038 0.26 0.7 0.058 44 REE 1 RE1.5
TFSK 200 1.02 2537 0.206 0.194 0.177 0.159 0.139 0.097 0.47 1.25 0.108 48 REE 1 RE1.5
TFSK 315M 1.13 2575 0.31 0.29 0.26 0.24 0.225 0.18 0.90 2.3 0.207 51 REE 1 RE1.5
TFSK 315L 1.44 2341 0.42 0.40 0.37 0.35 0.33 0.275 1.35 3.5 0.307 55 REE 2 RE1.5
* measured @ maximum efficiency point
• Fan - single phase. 230V - 1Ph - 50Hz• 100% speed controllable• Maintenance free and reliable• Integral thermal contacts• Backward curved fan. 125mm to 315mm• Available in black & brick red• Supplied with cable .• Backward curved impeller with external rotor motor
ASFPage 223
ASKPage 223
ASSPage 223
FDSPage 223
SSDPage 223
VKSPage 215
REPage 229
WIRINGPage 256
REEPage 229
Schools ShopsDomestic
5
121
K-Fan EC
Roof Mounted Fans
TFSK / TFSR Sound Data
øC
AB
HC
øD
øC
AB
36
�E
c/c FøG (4x)
TFSK A B øC E sq c/c F øG Kg
125M/XL 119 144 284 321 245 9 2.5
160 120 145 334 421 330 9 3.3
200 123 160 364 421 330 9 4.2
315M/L 160 206 404 521 450 11 7
TFSR A B øC øD HC Kg
125M/XL 119 144 284 315 205 2.5
160 120 145 334 380 205 3.3
200 123 160 364 439 250 4.2
315M/L 160 206 404 485 250 7
VKS
ASK
TFSK
SSD
TOB
TFSR
TFSK125MTFSR125M
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 38 50 52 51 50 49 32 23 58
LwA Outlet 20 41 45 47 50 49 37 25 54
Measuring point: qv = 0.046m3/s @ 83Pa
TFSK / TFSR Accessories
TFSK125XLTFSR125XL
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 29 44 49 53 56 57 44 35 61
LwA Outlet 27 46 51 53 60 60 50 37 64
Measuring point: qv = 0.059m3/s @ 151Pa
TFSK160TFSR160
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 32 48 54 56 59 57 49 38 63
LwA Outlet 26 53 55 58 62 62 54 48 67
Measuring point: qv = 0.056m3/s @ 237Pa
TFSK200TFSR200
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 33 49 58 60 65 63 56 47 68
LwA Outlet 31 52 56 61 67 67 61 49 71
Measuring point: qv = 0.11m3/s @ 280Pa
TFSK315MTFSR315M
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 36 52 60 64 67 61 56 52 70
LwA Outlet 35 54 61 67 69 70 62 53 75
Measuring point: qv = 0.16m3/s @ 356Pa
TFSK315LTFSR315L
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 43 57 67 69 70 64 62 57 74
LwA Outlet 40 60 66 71 74 73 66 60 78
Measuring point: qv = 0.20m3/s @ 441Pa
5
Accessories
122
K-Fan EC
Roof Mounted Fans
K-Fan ECDHS Roof Centrifugal Fan
The DHS models have impellers with backward curved blades and external rotor motors. All motors are speed controllable over the voltage. Frequency inverters must have an all pole sine filter.DHS …EZ / EV / ES: 1~ motor with connection for 2-speedsDHS …E4: 1-speed motorDHS …DV / DS: 3~ with Y/D-connection for 2-speedsTo protect the motors from overheating the DHS up to size 311 have integral thermal contacts, from size 355 with external leads for connection to a motor protection device. The casing is made from aluminum and the base frame is made of galvanised steel, powder-coated. Suitable for coastal applications. The impellers up to size 355 are manufactured from polyamide PA6 25GV, from size 400 in Aluminium. DHS with horizontal outlet.
ProductCode
*SFP(kW/m3/s)
Voltage Airflow m3/s @ static pressure Pa Motor Data dBA @10m DHS
Speed ControlTrans0 50 100 200 300 FLC kW
DHS190EZ 0.94 230-1-50 0.155 0.136 0.114 0.048 - 0.36 0.080 40 RE1.5
DHS225EZ 0.88 230-1-50 0.227 0.208 0.188 0.145 0.090 0.55 0.130 41 RE1.5
DHS225EV 0.57 230-1-50 0.140 0.107 0.051 - - 0.23 0.049 33 RE1.5
DHS310EV 0.52 230-1-50 0.40 0.363 0.310 0.180 - 0.53 0.116 38 RE1.5
DHS310ES 0.33 230-1-50 0.37 0.273 0.151 - - 0.30 0.070 31 RE1.5
DHS311EV 0.47 230-1-50 0.46 0.41 0.35 0.19 - 0.65 0.135 39 RE1.5
DHS311ES 0.40 230-1-50 0.440 0.350 0.240 0.030 - 0.38 0.10 32 RE1.5
DHS355E4 0.56 230-1-50 0.77 0.730 0.660 0.40 0.30 1.30 0.280 41 RTRE1.5
DHS355DV 0.53 400-3-50 0.78 0.72 0.65 0.52 0.04 0.60 0.249 41 RTRD2
DHS400DV 0.78 400-3-50 1.055 1.019 0.950 0.811 0.650 0.80 0.440 45 RTRD2
DHS400E4 0.75 230-1-50 0.99 0.94 0.87 0.73 0.56 2.10 0.470 45 RTRE3
DHS400E6 0.36 230-1-50 0.734 0.625 0.51 - - 0.75 0.160 37 RTRE1.5
DHS400DS 0.37 400-3-50 0.683 0.574 0.432 - - 0.30 0.137 37 RTRD2
DHS450E4 0.88 230-1-50 1.58 1.49 1.39 1.23 1.04 3.40 0.740 47 RTRE5
DHS450E6 0.39 230-1-50 1.067 0.921 0.793 0.300 - 1.10 0.247 40 RTRE3
DHS450DV 0.86 400-3-50 1.56 1.48 1.40 1.24 1.04 1.40 0.720 45 RTRD2
DHS499E6 0.43 230-1-50 1.33 1.184 1.021 0.580 - 1.50 0.345 41 RTRE3
DHS499DV 0.87 400-3-50 1.833 1.78 1.700 1.500 1.250 1.80 0.900 48 RTRD2
DHS500E6 0.53 230-1-50 1.415 1.285 1.130 0.587 - 1.60 0.36 40 RTRE3
DHS500DV 0.9 400-3-50 2.194 2.100 2.038 1.880 1.700 2.10 1.190 50 RTRD4
DHS500DS 0.45 400-3-50 1.49 1.38 1.250 0.89 - 1.00 0.440 40 RTRD2
DHS560DV 1.11 400-3-50 2.84 2.76 2.68 2.48 2.26 3.50 1.900 58 RTRD4
DHS560DS 0.55 400-3-50 2.07 1.92 1.750 1.36 0.67 1.50 0.720 43 RTRD4
DHS630DV 1.55 400-3-50 4.100 4.050 4.000 3.800 3.600 6.70 3.9 58 RTRD7
DHS630DS 0.66 400-3-50 2.73 2.59 2.45 2.10 1.73 2.10 1.100 47 RTRD4
DHS710DS 1.16 400-3-50 3.9 3.7 3.5 3.1 2.6 4.00 2.475 52 RTRD7
DHS710DS-L 0.95 400-3-50 4.600 4.500 4.400 4.200 3.700 6.5 2.95 52 RTRD7
* measured @ maximum efficiency point
• Speed-controllable• Integral thermal contacts• Low sound level• Maintenance-free and reliable
ASFPage 223
ASKPage 223
ASSPage 223
FDSPage 223
SSDPage 223
VKSPage 215
WIRINGPage 256
RTRDPage 230
RTREPage 229
RetailSchoolsIndustry
5
123
K-Fan EC
Roof Mounted Fans
K-Fan EC DHS Fan Performance Curves
5236
, 00
00,
5240
, 52
42
DHS / DVS / DVN Fan Curb Dimensions Model Size A B C
DHS, DVS 190 330 280* 25
DHS, DVS, LGH, LGV 225 330 280* 25
DHS, DVS, LGH, LGV 310 430 330* 50
DHS, DVS, LGH, LGV 311 430 330* 50
DHS, DVS, DVN, LGH, LGV 355 590 490* 50
DHS, DVS, DVN, LGH, LGV 400 590 490* 50
DHS, DVS, DVN, LGH, LGV 450 660 510 75
DHS, DVS, DVN, LGH, LGV 499 660 510 75
DHS, DVS, DVN, LGH, LGV 500 660 510 75
DHS, DVS, DVN, LGH, LGV 560 925 725 100
DHS, DVS, DVN, LGH, LGV 630 925 725 100
DHS, DVS, DVN, LGH, LGV 710 1025 825 100
DVN, LGV 800 1225 1025 100
DVN, LGV 900 1225 1025 100
DHS A B C sq D E F G H øI Kg
190/225 417 213 335 150 30 245 105 6 x M6 10 (4x) 9
310/311 540 285 435 250 30 330 146 6 x M6 10 (4x) 11
355/400 720 438 595 330 30 450 200 6 x M8 12 (4x) 29
450/500 830 438 665 380 30 535 237 6 x M8 12 (4x) 40
560/630 1100 605 939 435 30 750 293 8 x M8 14 (4x) 85
710 1282 674 1035 580 40 840 320 8 x M8 14 (4x) 88
�F
G
M20x1,5
G
H
øD
I
5
Accessories
124
K-Fan EC
Roof Mounted Fans
DVS / DVSI Vertical Discharge Fan
The DVS/DVSI models have impellers with backward curved blades and external rotor motors. All motors are speed controllable over the voltage. Frequency inverters must have an all pole sine filter. The motors are suspended on effective vibration dampers. DVS/DVSI ...EZ / EV / ES: 1~ motor with connection for 2-speedsDVS/DVSI ...E4: 1-speed motorDVS/DVSI ...DV / DS: 3~ with Y/D-connection for 2-speedsTo protect the motors from overheating the DVS/DVSI up to size 311 have integral thermal contacts, from size 355 with external leads for connection to a motor protection device. The casing is made from aluminum and the base frame is powder-coated galvanised steel. Suitable for coastal applications. The impellers up to size 355 are manufactured from polyamide PA6 25GV, from size 400 in Aluminium.DVS with outlet vertical. DVSI with 50 mm mineral wool insulation for low noise level.
* measured @ maximum efficiency point
• Speed-controllable • Integral thermal contacts• Low sound level• Maintenance-free and reliable
ASFPage 223
ASKPage 223
ASSPage 223
FDSPage 223
SSDPage 223
VKSPage 215
WIRINGPage 256
RTRDPage 230
RTREPage 229
RetailSchoolsIndustry
5ProductCode
*SFP(kW/m3/s)
Voltage Airflow m3/s @ static pressure Pa Motor Data dBA @10m DVS
dBA @10m DVSI
Speed ControlTrans0 50 100 200 300 FLC kW
DVS190EZ 0.94 230-1-50 0.155 0.136 0.114 0.048 - 0.36 0.080 40 36 RE1.5
DVS225EZ 0.88 230-1-50 0.227 0.208 0.188 0.145 0.090 0.55 0.130 41 36 RE1.5
DVS225EV 0.57 230-1-50 0.140 0.107 0.051 - - 0.23 0.049 33 27 RE1.5
DVS310EV 0.52 230-1-50 0.40 0.363 0.310 0.180 - 0.53 0.116 38 27 RE1.5
DVS310ES 0.33 230-1-50 0.37 0.273 0.151 - - 0.30 0.070 31 20 RE1.5
DVS311EV 0.47 230-1-50 0.46 0.41 0.35 0.19 - 0.65 0.135 39 28 RE1.5
DVS311ES 0.40 230-1-50 0.440 0.350 0.240 0.030 - 0.38 0.10 32 21 RE1.5
DVS355E4 0.56 230-1-50 0.77 0.730 0.660 0.40 0.30 1.30 0.280 41 30 RTRE1.5
DVS355DV 0.53 400-3-50 0.78 0.72 0.65 0.52 0.04 0.60 0.249 41 30 RTRD2
DVS400DV 0.78 400-3-50 1.055 1.019 0.950 0.811 0.650 0.80 0.440 45 34 RTRD2
DVS400E4 0.75 230-1-50 0.99 0.94 0.87 0.73 0.56 2.10 0.470 45 34 RTRE3
DVS400E6 0.36 230-1-50 0.734 0.625 0.51 - - 0.75 0.160 37 26 RTRE1.5
DVS400DS 0.37 400-3-50 0.683 0.574 0.432 - - 0.30 0.137 37 26 RTRD2
DVS450E4 0.88 230-1-50 1.58 1.49 1.39 1.23 1.04 3.40 0.740 47 36 RTRE5
DVS450E6 0.39 230-1-50 1.067 0.921 0.793 0.300 - 1.10 0.247 40 29 RTRE3
DVS450DV 0.86 400-3-50 1.56 1.48 1.40 1.24 1.04 1.40 0.720 45 36 RTRD2
DVS499E6 0.43 230-1-50 1.33 1.184 1.021 0.580 - 1.50 0.345 41 30 RTRE3
DVS499DV 0.87 400-3-50 1.833 1.78 1.700 1.500 1.250 1.80 0.900 48 37 RTRD2
DVS500E6 0.53 230-1-50 1.415 1.285 1.130 0.587 - 1.60 0.36 40 29 RTRE3
DVS500DV 0.9 400-3-50 2.194 2.100 2.038 1.880 1.700 2.10 1.190 50 39 RTRD4
DVS500DS 0.45 400-3-50 1.49 1.38 1.250 0.89 - 1.00 0.440 40 29 RTRD2
DVS560DV 1.11 400-3-50 2.84 2.76 2.68 2.48 2.26 3.50 1.900 58 47 RTRD4
DVS560DS 0.55 400-3-50 2.07 1.92 1.750 1.36 0.67 1.50 0.720 43 32 RTRD4
DVS630DV 1.55 400-3-50 4.100 4.050 4.000 3.800 3.600 6.70 3.9 58 49 RTRD7
DVS630DS 0.66 400-3-50 2.73 2.59 2.45 2.10 1.73 2.10 1.100 47 36 RTRD4
DVS710DS 1.16 400-3-50 3.9 3.7 3.5 3.1 2.6 4.00 2.475 52 41 RTRD7
DVS710DS-L 0.95 400-3-50 4.600 4.500 4.400 4.200 3.700 6.5 2.95 52 41 RTRD7
125
K-Fan EC
Roof Mounted Fans
DVS / DVSI Fan Performance Curves
5236
, 00
00,
5240
, 52
42
5248
, 749
6, 5
255
, 526
6
5272
, 52
79,
5275
, 52
86,
5291
5293
, 00
00,
5295
, 52
98,
5301
0000
, 53
06,
6717
5212
, 52
14,
5218
, 52
20,
5229
�A
�B
C
øD
�E
�F
G
M20x1,5
G
H
øD
I
DVS A sq B sq C øD E sq F sq G H øI Kg
190/225 370 295 170 231 335 245 105 10 (4x) 6 x M6 9
310/311 560 470 330 285 435 330 146 10 (4x) 6 x M6 11
355/400 720 618 390 438 595 450 200 12 (4x) 6 x M8 29
450/499/500 900 748 440 438 665 535 237 12 (4x) 6 x M8 49
560//630 1150 955 560 605 939 750 293 14 (4x) 8 x M8 85
710 1350 1178 660 674 1035 840 320 14 (4x) 8 x M8 88
DVSI A sq B sq C øD E sq F sq G H øI Kg
190/225 497 295 179 213 335 245 105 10 (4x) 6 x M6 9
310/311 690 470 369 285 435 330 146 10 (4x) 6 x M6 16
355/400 874 618 439 438 595 450 200 12 (4x) 6 x M8 34
450/499/500 968 748 479 438 665 535 237 12 (4x) 6 x M8 70
560//630 1315 600 600 605 939 750 293 14 (4x) 8 x M8 99
710 1483 1178 729 674 1035 840 320 14 (4x) 8 x M8 104
DVS / DVSI Fan Dimensions
5
126
K-Fan EC
Roof Mounted Fans
DHS / DVS / DVSI Sound Spectrum
DHS225EZDVS225EZDVSI 225EZ
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 42 60 64 66 65 62 57 50 71
LwA Surrounding DVS / DHS 43 61 65 67 66 63 58 51 72
LwA Surrounding DVSI 54 56 60 62 61 58 53 46 67
LwA Inlet using SSD Silencer 40 55 56 55 46 42 37 32 60
Measuring point: qv = 0.14m3/s @ 240Pa
DHS311EVDVS311EVDVSI 311EV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 53 55 59 61 60 57 52 45 66
LwA Surrounding DVS /DHS 55 57 61 63 62 59 54 47 68
LwA Surrounding DVSI 52 52 54 52 46 39 37 31 59
LwA Inlet using SSD Silencer 50 50 51 49 42 36 32 30 56
Measuring point: qv = 0.28m3/s @ 169Pa
DHS311ESDVS311ESDVSI 311ES
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 46 48 53 54 54 50 45 37 59
LwA Surrounding DVS / DHS 48 50 55 56 56 52 47 39 61
LwA Surrounding DVSI 45 45 48 45 40 32 30 23 52
LwA Inlet using SSD Silencer 43 43 45 42 36 29 25 22 50
Measuring point: qv = 0.17m3/s @ 137Pa
DHS310ESDVS310ESDVSI 310ES
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 45 47 52 53 53 49 44 36 58
LwA Surrounding DVS /DHS 47 49 54 55 55 51 46 38 60
LwA Surrounding DVSI 44 44 47 44 39 31 29 22 51
LwA Inlet using SSD Silencer 42 42 44 41 35 28 24 21 49
Measuring point: qv = 0.12m3/s @ 124Pa
DHS310EVDVS310EVDVSI 310EV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 52 54 58 60 59 56 51 44 65
LwA Surrounding DVS / DHS 54 56 60 62 61 58 53 46 67
LwA Surrounding DVSI 51 51 53 51 45 38 36 30 58
LwA Inlet using SSD Silencer 49 49 50 48 41 35 31 29 55
Measuring point: qv = 0.14m3/s @ 220Pa
DHS190EZDVS190EZDVSI 190EZ
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 42 60 64 66 65 62 57 50 71
LwA Surrounding DHS / DVS 43 61 65 67 66 63 58 51 72
LwA Surrounding DVSI 54 56 60 62 61 58 53 46 67
LwA Inlet using SSD Silencer 40 55 56 55 46 42 37 32 60
Measuring point: qv = 0.07m3/s @ 190Pa
DHS225EVDVS225EVDVSI 225EV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 34 52 56 58 57 54 49 42 63
LwA Surrounding DVS / DHS 35 53 57 59 58 55 50 43 64
LwA Surrounding DVSI 51 51 53 51 45 38 36 30 58
LwA Inlet using SSD Silencer 32 47 48 47 38 34 29 24 52
Measuring point: qv = 0.07m3/s @ 62Pa
DHS355E4 & DVDVS355E4 & DV DVSI 355E4 & DV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 55 57 61 63 62 59 54 47 68
LwA Surrounding DHS / DVS 57 59 63 65 64 61 56 49 70
LwA Surrounding DVSI 54 54 56 54 48 41 39 33 61
LwA Inlet using SSD Silencer 52 52 53 49 43 37 38 32 58
Measuring point: qv = 0.45m3/s @ 240Pa
DHS400E4 & DVDVS400E4 & DVDVSI 400E4 & DV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 59 61 65 67 66 63 58 51 72
LwA Surrounding DHS / DVS 61 63 67 69 68 65 60 53 74
LwA Surrounding DVSI 58 58 60 58 52 45 43 37 65
LwA Inlet using SSD Silencer 56 56 57 53 47 41 42 36 62
E4 - Measuring point: qv = 0.69m3/s @ 256Pa (DV measured -qv = 0.67m3/s @ 300Pa)
DHS400E6 & DS DVS400E6 & DSDVSI 400E6 & DS
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 51 53 58 59 59 55 50 42 64
LwA Surrounding DHS / DVS 53 55 60 61 61 57 52 44 66
LwA Surrounding DVSI 50 50 53 50 45 37 35 28 57
LwA Inlet using SSD Silencer 48 48 49 45 40 33 34 27 54
E6 - Measuring point: qv = 0.44m3/s @ 125Pa (DS measured -qv = 0.49m3/s @ 120Pa)
DHS450E4 & DVDVS450E4 & DVDVSI 450E4 & DV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 61 63 67 69 68 65 60 53 74
LwA Surrounding DHS / DVS 63 65 69 71 70 67 63 55 76
LwA Surrounding DVSI 60 60 62 60 54 47 45 39 67
LwA Inlet using SSD Silencer 58 58 58 56 48 40 38 36 64
E4 - Measuring point: qv = 1.06m3/s @ 270Pa (DV measured -qv = 0.83m3/s @ 350Pa)
DHS450E6 DVS450E6DVSI 450E6
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 54 56 61 62 62 58 53 45 67
LwA Surrounding DHS / DVS 56 58 63 64 64 60 55 47 69
LwA Surrounding DVSI 53 53 56 53 48 40 38 31 60
LwA Inlet using SSD Silencer 51 51 52 49 42 33 31 28 57
Measuring point: qv = 0.58m3/s @ 158Pa
DHS499E6 DVS499E6DVSI 499E6
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 55 57 62 63 63 59 54 46 68
LwA Surrounding DHS / DVS 57 59 64 65 65 61 56 48 70
LwA Surrounding DVSI 54 54 57 54 49 41 39 32 61
LwA Inlet using SSD Silencer 52 52 53 50 43 34 32 29 58
Measuring point: qv = 0.69m3/s @ 177Pa
DHS499DV DVS499DVDVSI 499DV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 62 64 68 70 69 66 61 54 75
LwA Surrounding DHS / DVS 64 66 70 72 71 68 63 56 77
LwA Surrounding DVSI 61 61 63 61 55 48 46 40 68
LwA Inlet using SSD Silencer 59 59 59 57 49 41 39 37 65
Measuring point: qv = 0.83m3/s @ 420Pa
5
127
K-Fan EC
Roof Mounted Fans
DHS / DVS / DVSI Sound Spectrum
DHS500E6 & DSDVS500E6 & DSDVSI 500E6 & DS
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 54 56 61 62 62 58 53 45 67
LwA Surrounding DHS / DVS 56 58 63 64 64 60 55 47 69
LwA Surrounding DVSI 53 53 56 53 48 40 38 31 60
LwA Inlet using SSD Silencer 51 51 52 49 42 33 31 28 57
Measuring point: qv = 0.83m3/s @ 200Pa
DHS630DVDVS630DV DVSI 630DV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 74 76 80 82 81 78 73 66 87
LwA Surrounding DHS / DVS 76 78 82 84 83 80 75 68 89
LwA Surrounding DVSI 73 73 75 73 67 60 58 52 80
LwA Inlet using SSD Silencer 72 71 72 71 64 57 54 53 78
Measuring point: qv = 2.5m3/s @ 700Pa
DHS500DVDVS500DVDVSI 500DV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 64 66 70 72 71 68 63 56 77
LwA Surrounding DHS / DVS 66 68 72 74 73 70 65 58 79
LwA Surrounding DVSI 63 63 65 63 57 50 48 42 70
LwA Inlet using SSD Silencer 61 61 61 59 51 43 41 39 67
Measuring point: qv = 1.11m3/s @ 500Pa
DHS560DVDVS560DVDVSI 560DV
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 66 68 72 74 73 70 65 58 79
LwA Surrounding DHS / DVS 74 76 80 82 81 78 73 66 87
LwA Surrounding DVSI 71 71 73 71 65 58 56 50 78
LwA Inlet using SSD Silencer 64 63 64 63 56 49 46 45 70
Measuring point: qv = 1.39m3/s @ 560Pa
DHS560DSDVS560DSDVSI 560DS
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 57 59 64 65 65 61 56 48 70
LwA Surrounding DHS / DVS 59 61 66 67 67 63 58 50 72
LwA Surrounding DVSI 56 56 59 56 51 43 41 34 63
LwA Inlet using SSD Silencer 55 54 56 54 48 40 37 35 61
Measuring point: qv = 1.39m3/s @ 183Pa
DHS630DSDVS630DS DVSI 630DS
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 61 63 68 69 69 65 60 52 74
LwA Surrounding DHS / DVS 63 65 70 71 71 67 62 54 76
LwA Surrounding DVSI 60 60 63 60 55 47 45 38 67
LwA Inlet using SSD Silencer 59 58 60 58 52 44 41 39 65
Measuring point: qv = 1.67m3/s @ 300Pa
DHS710DSDVS710DS DVSI 710DS
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 66 68 73 74 74 70 65 57 79
LwA Surrounding DHS / DVS 68 70 75 76 76 72 67 59 81
LwA Surrounding DVSI 65 65 68 65 60 52 50 43 72
LwA Inlet using SSD Silencer 63 62 65 60 54 45 42 46 69
Measuring point: qv = 2.78m3/s @ 375Pa
DHS710DS-LDVS710DS-L DVSI 710DS-L
Sound power (Lw) dB(A)
Mid frequency band
63 125 250 500 1k 2k 4k 8k Tot
LwA Inlet 66 68 73 74 74 70 65 57 79
LwA Surrounding DHS / DVS 68 70 75 76 76 72 67 59 81
LwA Surrounding DVSI 65 65 68 65 60 52 50 43 72
LwA Inlet using SSD Silencer 63 62 65 60 54 45 42 46 69
Measuring point: qv = 2.78m3/s @ 470Pa
Typical Installation of DVS roof fan with SSD Socket Silencer.
5
Accessories
128
K-Fan EC
Roof Mounted Fans
DVS / DVSI / DHS Accessories
VKM
FDS
ASS
ASF
DVS
VKS
ASS
ASF
DHS
ASFPage 223
ASKPage 223
ASSPage 223
FDSPage 223
SSDPage 223
VKSPage 215
5
SSD