12
Fastener for cable
connection
Electrical Shelf
Grounded wire
Terminal board
Interconnection cord
Cover
More than 5mm
Expelling the air in the pipes and the indoor unit
Expelling the air : humid air in the refrigerating system might cause trouble of compressor.
Take off the cover from the stop valve and T-branch valve.
Take off the auxiliary cover from the T-branch valve.
Turn the stop valve rod anti-clock wise to an angle of 90 degree,
keep it open for 8 seconds and close the valve.
Check whether there is air leakage at all connection parts of pipes.
Push the top rod of T-branch valve by hexagon wrench to expel air.
Repeat the third and fifth steps.
Open the stop and T-branch valve with a hexagon wrench to make
the unit operate.
There is no leakage allowed, please check all the piping connection
parts. You must test the leakage, generally, it can be tested by soap
water.
Outdoor unit
To indoor unit
Liquid side
Vapor side
Stop valve(open)
Cover
T-branch valve(open)
Hexagon wrench
Auxiliary cover
Electrical connection
Unscrew the screw, take off the control panel cover from the unit.
Connect the cable to their terminals according to their number.
The grounded wire connection :
1. loosen the grounded screw of electrical shelf.
2. Connect the grounded wire with the grounded screw then
setscrew in the smark formerly.
Fix the cable to the terminal board with fastening piece.
Reinstall the cover with the screw.
NOTE :
Don’t reverse the power polarity.
The wrong connection lead to the mal function of some
electrical parts.
Must fix the screwnail of the firmly wire, then drag the wire lightly, confirmation whether it’s firmly.
Must changed if the wire slide, the self -drive screw can’t used to the electric connection.
If there is a connector, connect it directly.
Make sure that the pipes and wires are connected.
Make sure that the both the liquid side valve and air side
valve both are completely open.
1. The connection of power supply
Connect the wire to independent power supply socket
Preparation of remote controller.
Run the air- conditioner in cooling operation
mode for 30 minutes or longer.
2. Performance evaluation
Test the in/out air temperature.
Make sure whether the difference between the air outlet and
airinlet temperature is more than 10 C
o
Discharged air
Test Running