INVENTOR u-match on/off Service Manual page 83

U-MATCH AIR CONDITIONERS
‹ Air conditioner is the "I" class electric appliance, thus please do conduct reliable grounding
measure.
‹ The yellow-green two-color wiring of air conditioner is grounding wire and cannot be used
for other purposes. It cannot be cut off and be fixed by screw, otherwise it would cause
electric shock.
‹ The user must offer the reliable grounding terminal. Please don't connect the grounding wire
to the following places:
Water pipe
Gas pipe
Blowing pipe
Other places that professional personnel consider them unreliable.
4.1.2 Connection of electric wires with the terminal
1 Caution
Before installing the electrical equipment, please pay attention to the following matters which
have been specially pointed out by our designers:
Check to see if the power supply used conforms to the rated power supply specified on the
nameplate.
The capacity of the power supply must be large enough. The section area of fitting line in the
room shall be larger than 2.5mm2.
The lines must be installed by professional personnel.
An electricity leakage protection switch and an air switch with gap between electrode heads
larger than 3 mm shall be installed in the fixed line.
2 Connection of single wire
Use wire stripper to strip the insulation layer (25mm long) from the end of the single wire.
Remove the screw at the terminal board of the air-conditioning unit.
User pliers to bend the end of the single wire so that a loop matching the screw size is formed.
Put the screw through the loop of the single wire and fix the loop at the terminal board.
3 Connection of multiple twisted wires
Use wire stripper to strip the insulation layer (10mm long) from the end of the multiple
twisted wires.
Remove the screw at the terminal board of the air-conditioning unit.
Use crimping pliers to connect a terminal (matching the size of the screw) at the end of the
multiple twisted wires.
Put the screw through the terminal of the multiple twisted wires and fix the terminal at the
terminal board.
INSTALLATION
80