Operating Principles; Fwd; Water Temperature: Max 100° C; Not Available For Fwd30 And Fwd45 - Trane ECOWISE RTAF SE Installation Operation & Maintenance

Air-cooled helical-rotary chillers 300 - 1600 kw
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Operating Principles

This section describes the overall flow chart principle for RTAF . Detailed information for a given order is supplied with
order package documentation.
Figure 40 – Example of Typical Refrigerant System Schematic & Oil Lube Circuit Schematic

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
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

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 = Screw compressor
2 = Evaporator
(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 = Air-cooled condenser
(3) At high speed with nominal air flow.
4 = Evaporator water inlet connection
(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.
5 = Evaporator water outlet connection
6 = Oil service valve
Heat exchanger operating limits:
FWD:
7 = Oil separator
*water temperature: max 100° C
8 = Discharge service valve
*absolute service pressure: min 1 bar/max 11 bars
9 = Liquid shut off valve
Accessories - Hot water coil:
10 = Filter drier
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
11 = Electronic expansion valve
12 = Sight glass
13 = Relief valve
14 = Service valve
15 = Oil line solenoid valve
16 = Oil filter
17 = Suction service valve
18 = Schraeder valve
19 = PHR water inlet connection
20 = PHR water outlet connection
21 = Refrigerant tank
4
108
Technical Data
RELEASED 12/Apr/2016 08:39:25 GMT
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
(mm)
890 x 600
(mm)
250
(mm)
933 x 644
(mm)
260
(kg)
32
(A)
8/16
(A)
16 (2kW),25 (4kW)
PT = Pressure transducer
PSH = High pressure relief valve
PSL = Low pressure relief valve
PZH = High pressure switch
TT = Temperature sensor
TCE = Electronic expansion valve
TC = Expansion valve
OS = Optical sensor
Option A = Auxilliary oil cooler
Option B = Dual Relief Valve
Option C = Heat Recovery
Option D = Refrigerant tank according the unit size and
the unit version
12
20
230/1/50
8,3
15
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
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
22,4
34,5
2
2
586*421*8
586*621*8
2
2
586*414*48
586*614*48
47/52/57
47/52/58
57/62/67
57/62/68
1290 x 970
1290 x 1090
450
650
1333 x 1008
1333*1133
460
660
76
118
8/25
8/25
3*25
3*25
UNT-PRC002-GB
RLC-SVX19E-GB

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