9
ELECTRICAL WORK
Electrical work
Electric safety regulations for the initial Installation
1. Power voltage should be in the range of 90%~110%of rated voltage.
2. The creepage protector and main power switch with a 1.5 times capacity of Max. Current of the unit
should be installed in power circuit.
3. Ensure the air conditioner is grounded well.
4. Follow the attached Electrical Connection Diagram located on the panel of the outdoor unit to
connect the wire.
To disconnect the couplings:
Step 1: Shut down the A/C unit and unplug the electrical power cord from the wall outlet.
Step 2: Wait five minutes for the line pressure between the indoor compressor unit and
outdoor condensing unit to equalize.
Step 3: Pull the male coupling handle up and toward the male coupling to the full back
position.
Step 4: Retract the
Release Sleeve
on the female coupling to release the male
coupling half from the female half.
Step 5: To seal and protect from dust, reinstall the protective cap and plug.
Electrical connection between indoor unit and outdoor unit
1. The connection cables of indoor and outdoor units have been connected to the terminals on the
control board except the grounding wire(Y/G), only the white plug connectors are exposed.Check
to make sure the connection to the connectors are secure.
2. Remove the control cover from the outdoor unit by loosening the screw.
3. Hold the indoor plug connector and connect to the mating plug connector located on the outdoor unit
Secure the cable onto the control board with the cord clamp.
4. Connect the grounding wire to the terminal on the control board.
5. The electrical connection is complete.
Fig.15
Plug
connector
Outdoor unit
Indoor unit
Control Cover
Screw
Y/G
L
S
N
Outdoor unit
Secure the cable with cord clamp.
L
S
N
L
S
N
Outdoor unit
or
