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Optional Free-Cooling
Figure 32 – Water pressure drop - Total Free Cooling - Direct Free cooling version - Sizes 090 -245
1000
FWD
Power supply
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
100
Electric heater (accessory for blower only)
Electric power supply
Heating capacity
Hot water coil (accessory for blower only)
A
Heating capacity (4)
B-C -E
K
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
Sound level (L/M/H speed)
Sound pressure level (5)
Sound power level (5)
Unit dimensions
10
Width x Depth
10
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
4
82
Technical Data
(V/Ph/Hz)
(kW)
(kW)
F
(type)
D
(kW)
(A)
(A)
(m
/h)
3
(m
/h)
3
(m
/h)
3
(type)
(Dia)
(V/Ph/Hz)
(kW)
(kW)
J
(mm)
(mm)
(type)
(l/h - mm)
(dB(A))
(dB(A))
(mm)
100
Water flow rates (l/s)
(mm)
(mm)
(mm)
(kg)
(A)
(A)
16 (2kW),25 (4kW)
Total Free Cooling
08
12
5,2
8,3
6,3
11,9
I
H
0,23
0,46
1,1
2,2
L
3,2
5,5
490
980
820
1650
980
1970
3/4"
3/4"
230/1/50
230/1/50 or 400/3/50
2/4
8
6,3
12
2
2
386x221x8
486x271x8
-
2
-
486x264x48
36/40/43
38/41/44
46/50/53
48/51/54
890 x 600
1090 x 710
250
300
933 x 644
1133 x 754
260
310
32
46
8/16
8/16
40 (230V),3*16 (400V)
20
30
230/1/50
15
18,8
18,9
20,9
2 x direct drive centrifugal
0,65
1,04
3,1
4,7
A. RTAF 250 SE, HSS
9,3
14,1
B. RTAF 250 HE, XE, HSE
1400
1800
2300
3000
C. RTAF 280 SE, HSS
2600
3600
D. RTAF 280 HE, XE, HSE
ISO R7 rotating female
1 1/2"
1 1/2"
E. RTAF 310 SE, HSS
400/3/50
400/3/50
F. RTAF 310 HE, XE, HSE
10
12
G. RTAF 350 SE, HSS
17,4
22,4
H. RTAF 350 HE, XE, HSE
2
2
586x321x8
586*421*8
I. RTAF 380 SE, HSS
2
2
J. RTAF 380 HE, XE, HSE
586x314x48
586*414*48
Centrifugal
K. RTAF 410 SE, HSS
24 - 500
L. RTAF 410 HE, XE, HSE / RTAF 415 XE
RTAF 450 HSE
46/50/53
47/52/57
56/60/63
57/62/67
1290 x 820
1290 x 970
1000
350
450
1333 x 864
1333 x 1008
360
460
61
76
galvanised steel
8/16
8/25
3*20
3*25
45
30,1
38,2
1,51
5,5
16,5
2700
4500
5400
1 1/2"
400/3/50
12
34,5
2
586*621*8
2
586*614*48
47/52/58
57/62/68
1290 x 1090
650
1333*1133
660
118
8/25
3*25
RLC-SVX19E-GB
UNT-PRC002-GB
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