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Optional Free-Cooling
Water Pressure Drops - Coils
The free cooling water pressure drops given in charts below (coil + valve) should be added to evaporator pressure
drop to get full unit pressure drop.
Figure 30 – Water pressure drop - Partial Free-Cooling - Sizes 090-245
FWD
Power supply
1000
Capacities
Cooling capacity on water (1)
Heating capacity on water (2)
Fan motor
Fan power input (3)
Current amps (3)
Start-up amps
Air flow
minimum
nominal
maximum
Main coil
Water entering/leaving connections
Electric heater (accessory for blower only)
Electric power supply
Heating capacity
Hot water coil (accessory for blower only)
Heating capacity (4)
G2 filter (filter box accessory)
Quantity
Dimensions ( LxWxth)
G4 filter (filter box accessory)
Quantity
Dimensions ( LxWxth)
Condensate pump (accessory)
Water flow - lift height
Not available for FWD30 and FWD45
100
Sound level (L/M/H speed)
Sound pressure level (5)
Sound power level (5)
Unit dimensions
Width x Depth
Height
Shipped unit dimensions
Width x Depth
Height
Weight
Colour
Recommended fuse size
Unit alone (aM/gI)
Unit with electric heater (gI)
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
10
1
4
80
Technical Data
08
(V/Ph/Hz)
(kW)
5,2
(kW)
6,3
(type)
(kW)
0,23
(A)
1,1
(A)
3,2
(m
/h)
490
3
(m
/h)
820
3
(m
/h)
980
3
(type)
(Dia)
3/4"
(V/Ph/Hz)
230/1/50
(kW)
2/4
(kW)
6,3
2
(mm)
386x221x8
-
(mm)
-
(type)
(l/h - mm)
(dB(A))
36/40/43
(dB(A))
46/50/53
G H I J K L M N O P
(mm)
890 x 600
(mm)
250
(mm)
933 x 644
(mm)
260
(kg)
32
(A)
8/16
(A)
16 (2kW),25 (4kW)
10
Water flow rates (l/s)
12
20
230/1/50
8,3
15
A B C D E F
11,9
18,9
2 x direct drive centrifugal
0,46
0,65
2,2
3,1
5,5
9,3
980
1400
1650
2300
1970
2600
ISO R7 rotating female
3/4"
1 1/2"
230/1/50 or 400/3/50
400/3/50
8
10
12
17,4
2
2
486x271x8
586x321x8
2
2
486x264x48
586x314x48
Centrifugal
24 - 500
38/41/44
46/50/53
48/51/54
56/60/63
1090 x 710
1290 x 820
300
350
1133 x 754
1333 x 864
310
360
46
61
galvanised steel
8/16
8/16
40 (230V),3*16 (400V)
3*20
100
30
45
18,8
30,1
20,9
38,2
1,04
1,51
4,7
5,5
14,1
16,5
1800
2700
3000
4500
3600
5400
1 1/2"
1 1/2"
400/3/50
400/3/50
12
12
A. RTAF 090 SE, HSS
22,4
34,5
B. RTAF 090 HE, XE, HSE
2
2
586*421*8
586*621*8
C. RTAF 105 SE, HSS
2
2
D. RTAF 105 HE, XE, HSE
586*414*48
586*614*48
E. RTAF 125 SE, HSS
F. RTAF 125 HE, XE, HSE
47/52/57
47/52/58
57/62/67
57/62/68
G. RTAF 145 SE, HSS
1290 x 970
1290 x 1090
450
650
H. RTAF 145 HE, XE, HSE
1333 x 1008
1333*1133
I. RTAF 155 SE, HSS
460
660
76
118
J. RTAF 155 HE, XE, HSE
8/25
8/25
K. RTAF 175 SE, HSS
3*25
3*25
L. RTAF 175 HE, XE, HSE
M. RTAF 190 SE, HSS
N. RTAF 190 HE, XE, HSE
O. RTAF 205 SE, HSS
P. RTAF 205 HE, XE, HSE
RTAF 245 HSE
RLC-SVX19E-GB
UNT-PRC002-GB
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