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After the electric heating wiring is connected, please
confirm before power on:
• Check all wiring and ensure secure connection of
all wiring.
• Ensure that wire size is properly selected per NEC
or local codes.
Number
Specifications
of circuit
breakers
3kW
1
5kW
1
8kW
1
10kW
1
15kW
2
20kW
2
25kW
3
UNITS WITHOUT ELECTRICAL HEAT
Unit
Volts-Phase
18K
208/230-1
24K
208/230-1
30K
208/230-1
36K
208/230-1
48K
208/230-1
60K
208/230-1
* Use copper wire only to connect unit. If other than uncoated (non-plated) 75°C copper
wire (solid wire for 10 AWG and smaller, stranded wire for larger than 10 AWG) is used
consult applicable tables of the National Electric Code (ANSI/NFPA 70).
NOTICE
The specification may be different between different models, please refer to
indoor unit's nameplate.
Number of
Number
power cord
of relays
groups
1
2
1
2
2
2
2
2
3
3
4
3
5
4
Rated
Min Ckt Amps
Current (A)
2.0
3.0
3.5
4.0
6.0
7.0
NOTICE
Electric auxiliary heating
wiring diagram packed with
the accessories.
NOTICE
Number of
power cord
If branch circuit wire lenght
grounding
exceeds 100 ft (30.5m),
screws
consult NEC 210-19a to
2
determine maximum wire
length. Use 2% voltage drop.
2
2
2
3
3
4
Min Wire Size
AWG*
2.5
16#
4.0
16#
4.5
16#
5.0
16#
7.5
16#
9.0
16#
Branch Circuit
Fuse/Ckt Bkr
Amps
15.0
15.0
15.0
15.0
15.0
15.0
Page 23
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