Napoleon NPFX24A, Owner'S Manual

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Air Handlers
4.7.2 Electrical Parameters
Model Power supply
Minimum
circuit
ampacity (A)
Maximum
overcurrent
protection (A)
NPFX24A
NPFX24A36A
208/230V-1Ph-60Hz
4
15
NPFX48A
NPFX48A60A
8
①
. Fuse is located on the main board.
②
. Install a circuit breaker at every power terminal near the units (indoor unit and
thermostat) with at least 3mm contact gap. The units must be able to be plugged
or unplugged.
③
. Circuit breaker and power cord specifications listed in the above table are
determined based on the maximum power input of the units.
④
. Specifications of circuit breaker are based on a working condition where the
working temperature is 40°C. If working condition changes, please adjust the
specifications according to national standards.
⑤
. Adopt 5pc of AWG18 power cords to be the communication cords between indoor
unit and thermostat. The maximum length is 30m. Please select a proper length
according to local conditions. Communication cords must not be twisted together.
⑥
.
The wire gauge of communication cord should not be less than AWG18. It’s
recommended to use AWG18 power cords as the communication cords.
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