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General Electrical Recommendations
Electrical Parts
When reviewing this manual keep in mind.
•
All field-installed wiring must be in accordance
with local regulations, CE directives and guidelines.
FWD
Be sure to satisfy proper equipment grounding
Power supply
requirements according CE
Capacities
Cooling capacity on water (1)
•
The following standardized values - Maximum Amps
Heating capacity on water (2)
- Short Circuit Amps - Starting Amps are displayed
Fan motor
Fan power input (3)
on unit nameplate.
Current amps (3)
•
All field-installed wiring must be checked for proper
Start-up amps
terminations, and for possible shorts or grounds.
Air flow
minimum
Note: Always refer to wiring diagrams shipped with unit
nominal
maximum
package or unit submittal for specific electrical schematic
Main coil
and connection information.
Water entering/leaving connections
Important: To prevent control malfunctions, do not run
Electric heater (accessory for blower only)
low voltage wiring (<30V) in conduit with conductors
Electric power supply
carrying more than 30 volts.
Heating capacity
Hot water coil (accessory for blower only)
WARNING! Hazardous Voltage with Capacitor!
Heating capacity (4)
G2 filter (filter box accessory)
Disconnect all electric power, including remote
Quantity
disconnects and discharge all motor start/run and
Dimensions ( LxWxth)
AFD (Adaptive Frequency TM Drive) capacitors before
G4 filter (filter box accessory)
Quantity
servicing. Follow proper lockout/tagout procedures to
Dimensions ( LxWxth)
ensure the power cannot be inadvertently energized.
Condensate pump (accessory)
Water flow - lift height
•
For variable frequency drives or other energy storing
Not available for FWD30 and FWD45
components provided by Trane or others, refer to the
Sound level (L/M/H speed)
appropriate manufacturer's literature for allowable
Sound pressure level (5)
Sound power level (5)
waiting periods for discharges capacitors. Verify with
Unit dimensions
an appropriate voltmeter that all capacitors have
Width x Depth
discharged
Height
Shipped unit dimensions
•
DC bus capacitors retain hazardous voltages after
Width x Depth
input power has been disconnected. Follow proper
Height
Weight
lockout/tagout procedures to ensure the power
Colour
cannot be inadvertently energized
Recommended fuse size
Unit alone (aM/gI)
•
After disconnecting input power, wait five (5)
Unit with electric heater (gI)
minutes for units which are equipped with EC fans
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
and wait twenty (20) minutes for units which are
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
equipped with variable frequency drive (0V DC)
(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.
before touching any internal components.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
•
Failure to follow these instructions could result
Heat exchanger operating limits:
FWD:
death or serious injury
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
For additional information regarding the safe discharge
of capacitors, see "Adaptive Frequency™ Drive (AFD3)
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
Capacitor Discharge" and BAS-SVX19B-E4.
*absolute service pressure: min 1 bar/max 11 bars
Hazardous Voltage – Pressurized Burning Fluid! Before
removing compressor terminal box cover for servicing,
or servicing power side of control panel, CLOSE
COMPRESSOR DISCHARGE SERVICE VALVE
and disconnect all electric power including remote
disconnects. Discharge all motor start/run capacitors.
Follow lockout/tagout procedures to ensure the
power cannot be inadvertently energized. Verify with
an appropriate voltmeter that all capacitors have
discharged.
46
4
Technical Data
The compressor contains hot, pressurized refrigerant.
Motor terminals act as a seal against this refrigerant.
Care should be taken when servicing NOT to damage or
loosen motor terminals.
08
Do not operate compressor without terminal box cover
(V/Ph/Hz)
in place.
(kW)
5,2
Failure to follow all electrical safety precautions could
(kW)
6,3
result in death or seriously injure.
(type)
(kW)
0,23
CAUTION! To avoid corrosion, overheating or general
(A)
1,1
damage, at terminal connections, unit is designed for
(A)
3,2
copper mono-conductors only. In case of multiconductor
(m
/h)
490
3
cable, an intermediate connection box must be added.
(m
/h)
820
3
For cable with alternative material, bi-material
(m
/h)
980
3
connecting devices are mandatory. Cable routing inside
(type)
control panel should be made case by case by installer.
(Dia)
3/4"
Do not allow conduit to interfere with other components,
(V/Ph/Hz)
230/1/50
structural members or equipment. Control voltage
(kW)
2/4
(115V) wiring in conduit must be separate from conduit
(kW)
6,3
carrying low voltage (<30V) wiring. To prevent control
malfunctions, do not run low voltage wiring (<30V) in
2
conduit with conductors carrying more than 30V.
(mm)
386x221x8
WARNING! The Warning Label is displayed on the
-
equipment and shown on wiring diagrams and
(mm)
-
(type)
schematics. Strict adherence to these warnings must be
(l/h - mm)
observed. Failure to do so may result in personal injury
or death.
(dB(A))
36/40/43
CAUTION! Units must not be linked to the neutral
(dB(A))
46/50/53
wiring of the installation. Units are compatible with the
(mm)
890 x 600
following neutral operating conditions:
(mm)
250
(mm)
933 x 644
(mm)
260
(kg)
32
* Differential protection should be suited for industrial ma-
chinery with current leak which can be higher than 500 mA
(A)
8/16
(several motors and frequency drives).
(A)
16 (2kW),25 (4kW)
** Filter RFI disconnect on VPF and EC fan.
Electrical data
To get the following electrical data details: Refer to
General Data tables for each unit configuration and size.
Wiring diagrams are shipped with unit and can be found
in the unit control panel.
Note: Rating is made for 400 V, 3 phases, 50 Hz power
supply.
12
230/1/50
8,3
11,9
2 x direct drive centrifugal
0,46
2,2
5,5
980
1650
1970
ISO R7 rotating female
3/4"
1 1/2"
230/1/50 or 400/3/50
400/3/50
8
12
2
486x271x8
586x321x8
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
TNS
IT
1133 x 754
1333 x 864
310
Standard
Standard**
46
galvanised steel
8/16
40 (230V),3*16 (400V)
−
Maximum Power input (kW)
−
Unit rated amps (Max comp + Fan + Control)
−
Unit start up amps (Starting Amps of the largest
comp + RLA of 2nd comp + RLA of all fans+
control)
−
Compressor Power factor
−
Disconnect switch size (A)
−
Short Circuit Rating for all sizes =15 kA
20
30
15
18,8
18,9
20,9
0,65
1,04
3,1
4,7
9,3
14,1
1400
1800
2700
2300
3000
4500
2600
3600
5400
1 1/2"
1 1/2"
400/3/50
400/3/50
10
12
17,4
22,4
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
350
450
TNC
TT
1333 x 1008
1333*1133
360
460
Special
Standard*
61
76
8/16
8/25
3*20
3*25
3*25
UNT-PRC002-GB
CG-SVX051A-GB
45
30,1
38,2
1,51
5,5
16,5
12
34,5
2
2
650
660
118
8/25
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