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b 42HQG007/009/012 & HWG195/225/305H-SERIES
• After the power I/O button is pressed once, the Power-relay, relays and AC SWITCH are
turned on or off per the remote control setpoint.
– AC SWITCH U9 is controlled per the fan speed selection.
– Power-relay K1, relay K2, K3 are controlled per the operation mode selection.
• If the power I/O button is pressed once more, Power-relay, relays and AC SWITCH are
turned off and the unit stops operation.
• The unit turns on or off according to the temperature setpoint by sensing the room air
temperature through thermistor.
• If the fan speed selection is set to the auto position, the fan speed is automatically
controlled according to the temperature difference between room temperature and
temperature setpoint.
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