12
1234-TTT000-EN
Connect indoor and outdoor electric wires
WARNING
Hazardous Voltage!
Disconnect all electric power, including remote disconnects before servicing. Follow
proper lockout/tagout procedures to ensure the power can not be inadvertently
energized. Failure to disconnect power before servicing could result in death or serious
injury.
1.
Open the front panel upwardly.
2.
Screw off the fixing screw of cover plate and screw off cover plate.
3.
Put the power connection cable through the back of indoor unit wire hole and take it out.
4.
All the wiring should be connected according to the circuit diagram on the unit.
5.
Put the power connection cable the section, which with sheath into wire groove, and cover
the cover plate, screw on the fixing screw, tighten the connection wire.
6.
Cover the front panel cover.
7.
For the cooling and heating unit, signal control wire can be passed through the connection of
connector and indoor unit, and use the wire clip that is under the body case, tighten the
signal control wire.
Installing Outdoor Unit
Wiring
WARNING
Hazardous Voltage!
Disconnect all electric power, including remote disconnects before servicing. Follow
proper lockout/tagout procedures to ensure the power can not be inadvertently
energized. Failure to disconnect power before servicing could result in death or serious
injury.
1.
Disassemble handle of right side plate or front side plate of outdoor unit.
2.
Take off wire clamp, connect and fix power connect cord to terminal of line bank. Wiring
should fit that of indoor unit.
3.
Fix the power connection cable with wire clamp, for cooling and heating unit, then use the
wire clamp to fix the signal control wire, then connect the corresponding connector.
4.
Ensure if wire has been fixed well.
5.
Install handle or front side plate.
Note:
Wrong wiring may cause spare parts malfunction.
Note:
After the cable is fixed, make sure there is a free space between the connection and fixing
place on the lead wire.
Air purging and leakage test
1.
Connect charging hose of manifold valve to charge end of low pressure valve (both high/low
pressure valves must be tightly shut).
2.
Connect joint of charging hose to vacuum pump.
3.
Fully open handle of Low manifold valve.
4.
Open the vacuum pump to evacuate. At the beginning, slightly loosen joint nut of low
pressure valve to check if there is air coming inside.
