
INSTALLATION MANUAL - Indoor Unit installation
12
BEFORE PERFORMING ANY
ELECTRICAL WORK, READ
THESE REGULATIONS
1. All wiring must comply with local and naonal
electrical codes, regulaons and must be
installed by a licensed electrician.
2. All electrical connecons must be made
according to the Electrical Connecon Diagram
located on the panels of the indoor and outdoor
units.
3. If there is a serious safety issue with the power
supply, stop work immediately. Explain your
reasoning to the client, and refuse to install the
unit unl the safety issue is properly resolved.
4. Power voltage should be within 90-110% of
rated voltage. Insufficient power supply can
cause malfuncon, electrical shock, or fir e.
5. If connecng power to fixed wiring, a surge
protector and main power switch should be
installed.
6. If connecng power to fixed wiring, a switch
or circuit breaker that disconnects all poles and
has a contact separaon of at least 1/8in (3mm)
must be incorporated in the fixed wiring. The
qualified technician must use an approved
circuit breaker or switch.
7. Only connect the unit to an individual branch
circuit outlet. Do not connect another appliance
to that outlet.
8. Make sure to properly ground the air condioner.
9. Every wire must be firmly connected. Loose
wiring can cause the terminal to overheat,
resulng in product malfuncon and possible fire.
Do not let wires touch or rest against refrigerant
tubing, the compressor, or any moving parts
within the unit.
To avoid geng an electric shock, never touch
the electrical components soon aer the power
supply has been turned off. Aer turning off
the power, always wait 10 minutes or more
before you touch the electrical components.
10.
11.
WARNING
BEFORE PERFORMING ANY ELECTRICAL
OR WIRING WORK, TURN OFF THE
MAIN POWER TO THE SYSTEM.
Connect signal and power cables
The signal cable enables communicaon between
the indoor and outdoor units. You must first
choose the right cable size before preparing it for
connecon.
Cable Types
•
Stranded Cable
•
16 AWG
NOTE: In North America, choose the cable type
according to the local electrical codes and
regulaons.
NOTE: In North America, please choose the
right cable size according to the Minimum
Circuit Ampacity indicated on the nameplate
of the unit.
Wiring Connection
STEP 9:
9.1 Choose the right cables size determined by the maximum operang current on the nameplate.
(Check the cables size refer to secon INSTALLATION PRECAUTIONS)
9.2 Open the front panel of indoor unit.
9.3 Use a screwdriver, open the electric control box cover, to reveal the terminal block.
9.4 Unscrew the cable clamp.
9.5 Insert one end of the cable into the posion
of control box from the back of the right end
of the indoor unit.
9.6 Connect the wires to corresponding terminal
according to the wiring diagram on the electric
well connected.
9.7 Screw the cable clamp to fasten the cables.
9.8 Reinstall the electric control box cover and
front panel.
Control box
Wiring diagram
Front panel
Wiring Connection