R410A DC Inverter Multi-split Technical Manual
Installation
65
GD Chigo Heating & Ventilation Equipment Co., Ltd.
7. Test Operation
Perform test operation after completing gas leak check at the flare nutconnections and electrical safety check.
● Check that all tubing and wiring have been properly connected.
● Check that the gas and liquid side service valves are fully open.
1. Connect the power, press the ON/OFF button on the remote controller to turnthe unit on.
2. Use the MODE button to select COOL, HEAT, AUTO and FAN to check if all thefunctions works well.
3. When the ambient temperature is too low(lower than 16 C), the unit cannot becontrolled by the remote
controller to run at cooling mode, manual operationcan be taken. Manual operation is used only when the
remote controller isdisable or maintenance necessary.
● Hold the panel sides and lift the panel up to an angle until it remains fixed witha clicking sound.
● Press the Manual control button to select the AUTO or COOL, the unit willoperate under Forced AUTO or
COOL mode(see User Manual for details).
4. The test operation should last about 30 minutes.
Installation sketch diagram of connecting pipes and connecting lines for Dual split type unit:
