Wiring
Using a wire crimper, crimp u-lugs on the
ends.
b. Using wire strippers, strip the rubber
jacketfrom both ends of the signal cable
to reveal approximately 15cm (5.9”) of
wire.
c. Strip the insulation from the ends.
d.
NOTE:
When connecting the wires, strictly
follow the wiring diagram found inside the
electrical box cover.
NOTE:
In North America, choose the cable
type according to the local electrical codes
and regulations.
Outdoor Unit Wiring
WARNING
Before performing any electrical or wiring
work, turn off the main power to the
system.
1. Prepare the cable for connection
a. You must first choose the right cable
size. Be sure to use H07RN-F cables.
Minimum Cross-Sectional Area of
Power and Signal Cables (For reference)
Rated Current of
Appliance (A)
Nominal Cross-Sectional
Area (mm²)
> 3 and
≤
6
0.75
> 6 and
≤
10
1
> 10 and
≤
16
1.5
> 16 and
≤
25
2.5
> 25 and
≤
32
4
> 32 and
≤
40
6
CHOOSE THE RIGHT CABLE SIZE
The size of the power supply cable, signal
cable, fuse, and switch needed is determined
by the maximum current of the unit. The
maximum current is indicated on the nameplate
located on the side panel of the unit. Refer to
this nameplate to choose the right cable, fuse,
or switch.
NOTE:
In North America, please choose the
right cable size according to the Minimum
Circuit Ampacity indicated on the nameplate
of the unit.
Page 34
2. Remove the 2 screws fixed on the front panel
and side panel, then take it down to perform
wire connection(see the figure of outdoor
unit A).
Unscrew the electrical wiring cover and
remove it.(see the figure of outdoor unit B)
3. Connect the u-lugs to the terminals
Match the wire colors/labels with the labels
on the terminal block. Firmly screw the u-lug
of each wire to its corresponding terminal.
Cover
Screw
Outdoor Unit A
Outdoor Unit B
2 Screws
4. Clamp down the cable with the cable clamp.
5. Insulate unused wires with electrical tape.
Keep them away from any electrical or metal
parts.
6. Reinstall the cover of the electric control box.
