Pipe connections
11
4. Tighten the cap of two valves.
5. Disconnect the power cable from outdoor unit.
6. Loose the nut of the connect pipe to the outdoor unit valve with 2 spanner, disconnect the connect pipe
and the two valves.
1. Start the machine, operate heat pump on state.
2. Remove the cap of two valves with the spanner.
3. Tighten the core of the liquid valve (the smaller one) with valve key at first . After about 20 seconds, tighten
the core of the gas (the bigger one) with valve key. Turn off the machine at once and cut off the power supply.
If the outdoor unit needs to be disconnected and moved to another place, please recycle the
gas back into the compressor according to the following steps before doing the disconnecting:
The step and diagram of collect refrigerant
Liquid valve
Gas valve
Valve key
Liquid valve
Gas valve
Valve key
Liquid valve
Gas valve
20 seconds
Liquid valve
Gas valve
