En-4
4. INSTALLATION
4.1. Outdoor unit installation
•
Set the unit on a strong stand such as thing made of concrete blocks to minimize shock
and vibration.
•
Do not set the unit directly on the ground because it will cause trouble.
For 9,000 But/h model:
Switch cover A, B removal
(1) Remove the three tapping screws.
(2) Push downward the switch cover B.
(3) Push upward the switch cover A.
Installing the Switch cover A, B
(1) After inserting the three hooks of switch cover A,
then push upward, and then tighten the two tap-
ping screws.
(2) After inserting the three hooks of switch cover B,
then push upward, and then tighten the one tap-
ping screw.
For 12,000 Btu/h model and 14,000 Btu/h model:
Connector cover
Tapping screw
Hook
Tapping screw
Connector cover removal
• Remove the tapping screws.
Installing the connector cover
(1) After inserting the four hooks, then slide the cover.
(2) Tighten the tapping screws.
WARNING
Install the unit where it will not be tilted by more than 5°.
When installing the outdoor unit where it may exposed to strong wind, fasten it securely.
4.2. Outdoor unit wiring
For 9,000 But/h model:
(1) Remove the switch cover A and B from the outdoor unit.
(2) Remove the cable clamp and nylon clamp from the outdoor unit.
(3) Bend the end of the cable as shown in the
fi
gure.
(4) Connect the end of the connection cable fully into the terminal block.
(5) Fasten the sheath with a cable clamp.
(6) Fasten the sheath with a nylon clamp.
(7) Install the switch cover A and B.
Cable clamp
Nylon clamp
For 12,000 Btu/h model and 14,000 Btu/h model:
(1) Remove the outdoor unit connector cover.
(2) Bend the end of the cable as shown in the
fi
gure.
(3) Connect the end of the connection cable fully into the terminal block.
(4) Fasten the sheath with a cable clamp.
(5) Install the connector cover.
Cable clamp
Connection cable
N
L
3
2
1
1 2 3 4
Outdoor unit terminal block
Indoor unit terminal block
Connection cable
Earth screw
Earth screw
Power supply cable
N
L
3
2
1
25mm
12mm
5mm
5mm 12mm
20mm
Cable clamp
Earth
screw
20mm
12mm
5mm
5mm
12mm
20mm
Connection cable
Power supply cable
Connection cable wiring for 9,000 Btu/h model
Run the connection cable to the rear of the outdoor unit within the A range of the arrows
shown in the figure.
(The Switch cover B becomes difficult to install.)
A
Connection and
Power supply cable
Nylon clamp
Screw
HOLE
HOLE
Connection cable wiring for 12,000 Btu/h model and 14,000 Btu/h model
Run the connection cable to the rear of the outdoor unit within the A range of the arrows
shown in the figure..
(The connector cover becomes difficult to install.)
A
10 cm
8 cm
Connection cable
Hole
CAUTION
Match the terminal block numbers and connection cable colors with those of the indoor
unit.
Erroneous wiring may cause burning of the electric parts.
Connect the connection cables
fi
rmly to the terminal block. Imperfect installation may
cause a
fi
re.
Always fasten the outside covering of the connection cable with the cable clamp. (If the
insulator is chafed, electric leakage may occur.)
Securely earth the power cable.
Do not use the earth screw for an external connector. Only use for interconnection
between two units.
4.3. Connecting the piping
CONNECTION
(1) Install the outdoor unit wall cap (supplied with the optional installation set or pro-
cured at the site) to the wall pipe.
Hook
Hooks
Hooks
Switch cover A
Switch cover B
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9319205106_IM.indb 4
9/6/2011 10:14:40 AM
9/6/2011 10:14:40 AM
