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07 54
15
This equipment can be installed with a Ground Fault Circuit
Interrupter (GFCI), which is a recognized measure for added
protection to a properly grounded unit. Install appropriate sized
breakers /fuses / overcurrent protection switches and wiring in
accordance to local, state and NEC codes and requirements.
The equipment installer is responsible for understanding and
abiding by applicable codes and requirements. Failure to use a
GFCI can result in electrical shock or fire.
Select wiring capacity according to the table 10.1. Install a GFCI
(Ground Fault Circuit Interrupter) and main switch as shown in
each of the system diagrams below.
Outdoor
Unit
Indoor
Unit
Switchbox
Outdoor Unit
Power Supply
Indoor Unit
Power Supply
Indoor
Unit
Indoor
Unit
GFCI
Main
Switch
GFCI
Main
Switch
Refer to the “Installation and Maintenance Manual” for the connected
outdoor unit for details of wire, GFCI and main switch for outdoor unit.
Table 10.1 Recommended Wiring Capacity and Size
F( )
F( )
32(0)
58(14)
Model Hz Volts
Voltage
range
MCA MOP kW FLA
0 . 2.4
0.0 0.
.
2.4
0.0 0.
1.
2.4
0.0
0.
1.
2.4
0.0
2.2 3.
0.20
.00
2.2 3.
0.20 1.00
2.
0.20 1.00
2.
4.4
0.20
.00
.04
4.4
0.3
.40
0
2
24
30
3
4
4
.04
.0
0.3
.40
Units Power supply
Power
supply
wiring size
Communication
Cable Size
Fan motor
60
208230V 18-253V
Wiring size
and length
must
comply with
local codes.
AWG18
(0.82mm
2
)
(Field supply)
(Field supply)
Select a GFCI according to the Max. Overcurrent Protective Device (A).
MCA: Min. Circuit Amps (A)
MOP: Max. Overcurrent Protective Device (A)
FLA: Full Load Amps (A)
.0
0.
Set Temperature
Difference
4(2)
F( )
10
Line
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