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9. After installing the electric auxiliary heat module, apply
the circuit breaker label near the silicone breaker cover that
was just applied.
After the electric heating wiring is connected, please
confirm before power on:
• Check all wiring and ensure reliable connection of wire
body.
• Check the electric heating fixing screw, and the
screw is fixed reliably.
• The size selection of power wire meets the power
supply requirements.
Number
Specifications
of circuit
breakers
5kW
1
8kW
1
10kW
1
15kW
2
20kW
2
25kW
3
NOTE:
• Electric auxiliary heating wiring diagram packed with
the accessories.
• If branch circuit wire length exceeds 100 ft, consult
NEC 210-19a to determine maximum wire length. Use
2% voltage drop.
Number of
Number of
Number of
power cord
power cord
relays
grounding
groups
screws
1
2
2
2
2
2
2
2
2
3
3
3
4
3
3
5
4
4
3. IDU Installation-AHU
Service Manual - VCDxxSA
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