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R e s i d e n t i a l S p l i t - 6 0 H z R 2 2 & R 4 1 0 A
R e v. : 5 J u n e , 2 0 0 8
28
W a t e r- S o u r c e H e a t i n g a n d C o o l i n g S y s t e m s
Table 8c: GT-S Outdoor (38WQS) Series Electrical Data
Electrical - Line Voltage
ELECTRICAL - POWER WIRING
Electrical - Line Voltage
All
fi
eld installed wiring, including electrical ground, must
comply with the National Electrical Code as well as all
applicable local codes. Refer to the unit electrical data for fuse
sizes. Consult wiring diagram for
fi
eld connections that must
be made by the installing (or electrical) contractor.
All
fi
nal electrical connections must be made with a length of
fl
exible conduit to minimize vibration and sound transmission
to the building.
General Line Voltage Wiring
Be sure the available power is the same voltage and phase
shown on the unit serial plate. Line and low voltage wiring
must be done in accordance with local codes or the National
Electric Code, whichever is applicable.
Power Connection
Line voltage connection is made by connecting the incoming
line voltage wires to the “L” side of the contactor as shown
in Figures 21a through 21c. Consult Tables 8a through 8c for
correct fuse size.
208-230 Volt Operation
Verify transformer tap with air handler wiring diagram to
insure that the transformer tap is set to the correct voltage,
208V or 230V.
Figure 21a: R-410A Compressor Section Line Voltage
Field Wiring
Unit Power Supply
(see electrical table for wire
and breaker size)
Model
Compressor
HWG
Pump
FLA
Ext Loop
Pump
FLA
Total
Unit
FLA
Min
Circuit
Amps
Max
Fuse/
HACR
Min
AWG
Max
Wire Ft
(m)
RLA
LRA
Qty
Crank-
case
018
7.1
38.0
1
N/A
0.40
4.0
11.5
13.3
20
12
87 (26.6)
024
10.3
56.0
1
0.17
0.40
4.0
14.9
17.4
25
10
106 (32.5)
030
12.2
67.0
1
0.17
0.40
4.0
16.8
19.8
30
10
93 (28.6)
036
13.5
73.0
1
0.17
0.40
4.0
18.1
21.4
30
10
86 (26.4)
042
16.5
95.0
1
0.17
0.40
4.0
21.1
25.2
40
10
73 (22.4)
048
18.3
109.0
1
0.17
0.40
4.0
22.9
27.4
45
10
67 (20.6)
060
25.0
148.0
1
0.29
0.40
4.0
29.7
35.9
60
8
82 (25.1)
Rated Voltage of 208-230/60/1
Min/Max Voltage of 197/254
HACR circuit breaker in USA only
All fuses Class RK-5
Wire length based on one way measurement with 2% voltage drop
Wire size based on 60°C copper conductor and Minimum Circuit Ampacity.
Figure 20: HWG Module Wiring