Air Handlers
20
①
. Before working, please check whether the indoor unit and thermostat are
powered on.
②
. Match the terminal numbers and wire colors with the colors indicated in the
indoor unit.
③
. Wrong wire connection may burn the electrical components.
④. Connect the wires firmly to the wiring box. Incomplete installation may lead to
fire hazard.
⑤. Please use wire clamps to secure the external covers of connecting wires.
(Insulators must be clamped securely; otherwise, electric leakage may occur.)
⑥. Ground wire should be connected.
Wires of indoor unit (Only for air handler without electric heater)
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