Air Handlers
4.7.2 Electrical Parameters
Model Power supply
Minimum
circuit
ampacity (A)
Maximum
overcurrent
GUD36A/A-D(U) 208/230V-1Ph-60Hz 4 15
①. Fuse is located on the main board.
②. Install a circuit breaker at every power terminal near the units (indoor unit and
temperature controller) 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 power cords listed in the above table are applicable in a
working condition where ambient temperature is 40°C and multi-core copper
cable (e.g. YJV copper cable, with insulated PE and PVC sheath) is protected
by a conduit, and is resistant to 90°C in maximum (see IEC 60364-5-52). If
working condition changes, please adjust the specifications according to
national standards.
⑤. 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.
⑥. Adopt 5pc of AWG18 power cords to be the communication cords between
indoor unit and temperature controller. The maximum length is 30m. Please
select a proper length according to local conditions. Communication cords
must not be twisted together.
⑦. The wire gauge of communication cord should not be less than AWG18. It’s
recommended to use AWG18 power cords as the communication cords.
4.7.
3 Connection of Power Cord and Communication Cord
(1) For solid wires (as shown below):
1) Use wire cutters to cut off the wire end and then peel away about 25mm of
the insulation layer.
2) Use a screwdriver to unscrew the terminal screw on the terminal board.
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