DC INVERTER U-MATCH AIR CONDITIONERS INSTALLATION
The power cable should be reliable and fixed, in order to avoid the wiring terminal be suffered from
force. And do not drag the power cable forcibly.
The wire diameter of power cable should be large enough, if power cable and connection wire be
damaged, it should be replaced by the exclusive cable.
All electric installation must be done by professional personnel according to local law, regulation and
this manual.
It should be reliably earthed, and it should be connected to the special earth device, the installation
work should be operated by the professional.
The creepage protect switch and air switch must be installed.
Air switch should have the thermal dropout and magnetic dropout function, in order to avoid the
short circuit and overload.
The on spot connection should refer to the circuit diagram, which is stuck on the unit body.
The unit should be reliably earth, if it is improperly earthed that may cause electric shock or fire.
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 pipe①
Ga② s pipe
Blowing pipe③
Other places that professional personnel consider them unreliable.④
4.1.2 Connection between power cables and wiring terminals
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 2.5mm
2
.
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.
1 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.
2 Connection of multiple twisted wires
Use wire stripper to strip the insulation layer (10mm long) from the end of the multiple twisted wires.
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