Air Handlers
16
4.7.2 Electrical Parameters
Model Power supply
Minimum
circuit
Maximum
overcurrent
208/230V-1Ph-60Hz
4
15
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 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 thermostat. 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 Cords and Thermostat Wires
(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.
LIAH036-200U432
LIAH060-200U432
LIAH024-200U432
LIAH048-200U432
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