Instruction manual

4. Test Run

Make sure all the pipe joints have been screwed tightly, then clean the pipes and verify

the vacuum.

Remove the valve core copper caps of the high pressure valve and the low pressure

valve.

Remove copper cap of refrigerant-adding valve, measure the vacuum with the vacuum

pump (value should be less than 10Pa)

Close the copper cap of refrigerant-adding valve.

Unscrew the high pressure valve and low pressure valve.

Use the leakage detector or soapy water to check the system pipe joint and valve cap for

leakage.

If there is no leakage, screw tightly the copper caps of valve cores

3-5 Installation of the exterior draining pipe

Insert the drainage pipe into the hole of the base, connect an extending pipe to drain the

water.

Base hole of the outdoor unit catchment trough

4-1 Pipe-cleaning and vacuum verification

4-2 Test Run Procedure

Before testing, please check all the connecting wires and pipes carefully to see if they

are correctly connected, verify if the stop valve is completely opened or closed, and if

the air conditioner has been grounded correctly.

Connect the air conditioner system to the power source, a “Du” sound emitted by the

indoor buzzer should be heard.

Turn the air conditioner ON with the remote control.

Please choose the “heating” mode and set temperature at 25

C to check the heating

function. Please choose the “cooling” mode, set temperature at 16

C to check the

cooling function