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Optional Free-Cooling
Table 19 – General data for free cooling option (continued)
General
Heat-Exchanger Type
FWD
Fan type (1) (SE-SN/HE-SN/HE-LN)
Power supply
Capacities
Power per Motor
Cooling capacity on water (1)
Motor RPM
Heating capacity on water (2)
Fan type (2) SE-LN/XE-SN/XE-LN/HSS-SN/HSS-LN/
Fan motor
HSE-SN/HSE-LN
Fan power input (3)
Power per Motor
Current amps (3)
Motor RPM
Start-up amps
Fan type (3) SE-XLN/XE-XLN/HSS-SN/HSS-XLN/HSE-
Air flow
XLN
minimum
nominal
Power per Motor
maximum
Motor RPM
Main coil
Input water connection size (Grooved coupling)
Water entering/leaving connections
Electric heater (accessory for blower only)
Output water connection size (Grooved coupling)
Electric power supply
Direct Free Cooling Option
Heating capacity
Total Free Cooling Option
Hot water coil (accessory for blower only)
Heating capacity (4)
Coils quantity SE-SN/SE-LN/SE-XLN/HSS-SN/HSS-LN/
HSS-XLN (6)
G2 filter (filter box accessory)
Quantity
Coils quantity HE-SN/HE-LN/XE-SN/XE-LN/XE-XLN/
Dimensions ( LxWxth)
HSE-SN/HSE-LN/HSE-XLN (7)
G4 filter (filter box accessory)
Summer nominal water flow
Quantity
Summer unit pressure drop
Dimensions ( LxWxth)
Winter unit pressure drop
Condensate pump (accessory)
Free Cooling weight (6)
Water flow - lift height
Not available for FWD30 and FWD45
Additional water content (without Evap.) (6)
Sound level (L/M/H speed)
Free Cooling weight (7)
Sound pressure level (5)
Additional water content (without Evap.) (7)
Sound power level (5)
Partial Free Cooling type
Unit dimensions
Width x Depth
Coils quantity
Height
Summer nominal water flow
Shipped unit dimensions
Summer unit pressure drop
Width x Depth
Winter unit pressure drop
Height
Additional Free Cooling weight (without water) (6)
Weight
Colour
Additional water content (without Evap.) (6)
Recommended fuse size
Additional Free Cooling weight (without water) (7)
Unit alone (aM/gI)
Additional water content (without Evap.) (7)
Unit with electric heater (gI)
Free Cooling Glycol Free Option
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
Total Free Cooling type
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
Coils quantity (6)
(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.
Coils quantity (7)
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Summer nominal water flow
Summer & Winter unit pressure drop
Heat exchanger operating limits:
FWD:
Glycol Pump Max Power input (kW)
*water temperature: max 100° C
Glycol Pump Max Amps @ 110 V
*absolute service pressure: min 1 bar/max 11 bars
Freeze protection - Max Power input
Accessories - Hot water coil:
Freeze protection - Max Amps
*water temperature: min. +2° C/max. 100° C
Additional Free Cooling weight (without water) (6)
*absolute service pressure: min 1 bar/max 11 bars
Additional Free Cooling weight (without water) (7)
Additional water content (without Evap.) (6)
Additional water content (without Evap.) (7)
Glycol content (6)
Glycol content (7)
Additional baseframe length (6)
Additional baseframe length (7)
72
4
Technical Data
RTAF
RTAF
250 (4)
280
08
AC
(V/Ph/Hz)
(kW)
1.78
1.79
(kW)
5,2
(rpm)
932
(kW)
6,3
EC
(type)
(kW)
0,23
(kW)
1.47
1.47
(A)
1,1
(rpm)
910
(A)
3,2
ECXLN
ECXLN
(m
/h)
490
3
(m
/h)
820
(kW)
1.21
1.21
3
(m
/h)
980
3
(rpm)
860
(in) -
6" - 150
6" - 150
(type)
(DN)
(Dia)
3/4"
(in) -
6" - 150
6" - 150
(DN)
(V/Ph/Hz)
230/1/50
(kW)
2/4
(kW)
6,3
#
14
2
#
16
(mm)
386x221x8
(L/s)
42.0
47.6
-
(kPa)
93
(mm)
-
(kPa)
207
(type)
(kg)
1090
1239
(l/h - mm)
(L)
602
(kg)
1239
1350
(dB(A))
36/40/43
(L)
663
(dB(A))
46/50/53
(mm)
890 x 600
#
8
(mm)
250
(L/s)
42.5
48.0
(kPa)
94.2
107.2
(mm)
933 x 644
(kPa)
180.5
201.7
(mm)
260
(kg)
786
(kg)
32
(L)
413
(kg)
807
(A)
8/16
(L)
416
(A)
16 (2kW),25 (4kW)
#
N/A
16
#
16
(L/s)
39.7
44.4
(kPa)
77
(kW)
22
(A)
38
kW
1.8
A
4.5
(kg)
N/A
2354
2475
(kg)
2354
(L)
N/A
(L)
2354
2475
(L)
N/A
(L)
765
(m)
N/A
1.125
(m)
1.125
1.125
RTAF
RTAF
RTAF
310
350
380
Aluminum heat exchanger
12
AC
AC
AC
1.78
1.79
1.79
8,3
932
932
932
11,9
EC
EC
EC
2 x direct drive centrifugal
0,46
1.47
1.47
1.47
2,2
910
910
910
5,5
ECXLN
ECXLN
ECXLN
980
1650
1.21
1.21
1.21
1970
860
860
860
6" - 150
8" - 200
8" - 200
ISO R7 rotating female
3/4"
6" - 150
8" - 200
8" - 200
230/1/50 or 400/3/50
8
12
16
16
18
2
18
20
22
486x271x8
586x321x8
52.7
58.6
64.8
2
106
118
98
486x264x48
586x314x48
215
229
205
Centrifugal
1373
1425
1522
663
663
765
1596
1627
1757
38/41/44
726
787
892
48/51/54
1090 x 710
1290 x 820
8
10
10
300
53.3
59.9
65.9
119.5
101.0
111.9
1133 x 754
1333 x 864
184.4
204.6
224.3
310
807
1084
993
1049
46
galvanised steel
416
479
518
804
1081
993
1049
8/16
413
476
518
40 (230V),3*16 (400V)
16
18
20
18
20
22
49.2
54.7
60.5
84
92
101
22
22
22
38
38
38
1.8
1.8
1.8
4.5
4.5
4.5
2354
2541
2752
2595
2762
3009
245
245
281
2595
2762
3009
765
765
825
828
888
952
1045
1.125
1.125
1.125
/
1.125
RTAF
RTAF
RTAF
410
415
450
20
30
AC
AC
N/A
230/1/50
1.79
N/A
15
18,8
932
932
N/A
18,9
20,9
EC
EC
EC
0,65
1,04
1.47
2.04
2.04
3,1
4,7
910
910
1020
1020
9,3
14,1
ECXLN
N/A
ECXLN
1400
1800
2300
3000
1.21
N/A
1.21
2600
3600
860
860
N/A
8" - 200
8" - 200
1 1/2"
1 1/2"
8" - 200
8" - 200
400/3/50
400/3/50
400/3/50
10
12
17,4
22,4
20
22
N/A
2
2
24
24
24
586*421*8
586*621*8
70.1
72.0
76.0
2
2
109
119
123
586*414*48
586*614*48
210
219
220
1629
N/A
24 - 500
829
892
N/A
1760
1760
1760
46/50/53
47/52/57
47/52/58
956
956
956
56/60/63
57/62/67
57/62/68
1290 x 970
1290 x 1090
10
12
12
350
450
71.5
72.8
77.6
122.9
124.4
148.1
1333 x 1008
1333*1133
209.1
215.3
236.0
360
460
1086
N/A
61
76
532
578
N/A
1112
1112
1112
8/16
8/25
532
582
582
3*20
3*25
22
N/A
24
24
24
65.4
67.2
70.7
98
107
112
22
22
22
38
38
38
1.8
2.04
2.04
2.04
4.5
5.1
5.1
2869
N/A
3013
3013
3013
311
311
N/A
3013
311
918
982
N/A
1045
1045
1045
1.125
N/A
/
/
/
RLC-SVX19E-GB
UNT-PRC002-GB
45
N/A
N/A
30,1
N/A
38,2
EC
1,51
5,5
16,5
2700
4500
5400
860
N/A
1 1/2"
N/A
12
34,5
N/A
2
24
2
142
240
N/A
N/A
956
12
650
660
N/A
118
N/A
8/25
582
3*25
N/A
24
124
22
38
5.1
N/A
N/A
311
N/A
N/A
/
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