9
Outdoor unit installation
position, and hammer expansion bolts into the
wall.
5. Check that the mounting brackets are level.
6. Carefully lift unit and place its mounting feet on
brackets.
7. Bolt the unit firmly to the brackets.
8. If allowed, install the unit with rubber gaskets to
reduce vibrations and noise.
Step 4: Connect signal and power cables
The outside unit's terminal block is protected by
an electrical wiring cover on the side of the unit.
A comprehensive wiring diagram is printed on the
inside of the wiring cover.
Warning:
Before performing any
A
electrical or wiring work,
turn off the main power to
the system.
1. Prepare the cable for connection:
Use the right cable
Please choose the right cable refer to "Cable
types" in page 37.
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.
Note: In North America, please
C
choose the right cable size
according to the Minimum
Circuit Ampacity indicated on the
nameplate of the unit.
44 / 324 EN
a. Using wire strippers, strip the rubber jacket
from both ends of cable to reveal about 40mm
(1.57in) of the wires inside.
b. Strip the insulation from the ends of the wires.
c. Using a wire crimper, crimp u-lugs on the ends
of the wires.
Pay attention to live wire
While crimping wires, make sure you clearly
distinguish the Live ("L") Wire from other wires.
Warning:
All wiring work must
be performed strictly in
A
accordance with the wiring
diagram located inside of
wire cover of the outdoor
unit.
2. Unscrew the electrical wiring cover and remove
it.
3. Unscrew the cable clamp below the terminal
block and place it to the side.
4. Connect the wire according to the wiring
diagram, and firmly screw the u-lug of each wire
to its corresponding terminal.
5. After checking to make sure every connection
is secure, loop the wires around to prevent rain
water from flowing into the terminal.
6. Using the cable clamp, fasten the cable to the
unit. Screw the cable clamp down tightly.
Split type air conditioner / User Manual