3
• A trap to prevent bad odours is allowed.
• If you extend the drain hose always insulate it up to the
outdoor side with polyethylene foam insulation material (field
supplied).
≥
100
• To ensure a downward slope of minimum 1:100, install
hanging bars every 1 to 1.5 m.
• If unifying multiple drain pipes, install pipes shown in the
figure above.
D
RAIN
CHECK
Make sure that the drain hose is firmly connected. Put some water
into the drain pan to check if the water flows smoothly.
F
IELD
WIRING
All field wiring and components must be installed by a licensed
electrician and must comply with relevant local and national
regulations.
The field wiring must be carried out in accordance with the
wiring diagrams and the instructions given below.
Be sure to use a dedicated power circuit.
Never use a power supply shared by another appliance.
•
Use copper wire only.
•
For electric wiring work, refer also to “WIRING DIAGRAM”.
•
A circuit breaker capable of shutting down power supply to the
entire system must be installed.
•
Refer to the installation manual attached to the outdoor unit for
the size of power supply electric wire connected to the outdoor
unit, the capacity of the circuit breaker and switch, and wiring
instructions.
•
Refer to table below for specifications of field wire.
Note
The table above presents the specifications of field wiring to be
applied in case of protected pipes are used. Use HO5RN-F
in case of no protection.
M
ETHODS
OF
WIRING
UNITS
AND
CONNECTING
REMOTE
CONTROLLER
CORDS
(R
EFER
TO
FIG
. 5)
• Wiring the units (Power supply wiring).
• Connect the interconnection wiring (from outdoor to indoor) to
the 1-2-3 terminal (1) using a separate power supply wire to
connect to power supply of the indoor unit fan motor to the L-N
terminal.
• Remote controller code.
Connect the cords to the remote controller terminal (P1, P2)
(No Polarity) (2).
Precautions
•
Do not clamp remote controller cords together with the other
wiring. Doing so may cause malfunction.
•
Remote controller cords and wires connecting the units should
be located at least 50 mm from other electric wires. Not following
this guideline may result in malfunction due to electrical noise.
Observe the notes mentioned below when wiring to the power
supply terminal board.
• Do not connect wires of different gauge to the same power
supply terminal. (Looseness in the connection may cause
overheating.)
• When connecting wires of the same gauge, connect them
according to the figure below.
W
IRING
EXAMPLE
Pair type
(Refer to Fig. 6)
Remote controller controls 1 indoor unit (standard system).
1. Main power supply.
2. Main switch.
3. Fuse.
4. Outdoor unit.
5. Indoor unit.
6. Remote controller.
Control by two remote controllers
(Refer to Fig. 7)
Two remote controllers control 1 indoor unit.
1. Main power supply.
2. Main switch.
3. Fuse.
4. Outdoor unit.
5. Indoor unit.
6. Remote controller .
7. Remote controller (Optional accessories).
Group control
(Refer to Fig. 8)
Remote controller controls up to 16 indoor units.
(All indoor units operate according to the remote controller.)
1. Main power supply.
2. Main switch.
3. Fuse.
4. Outdoor unit.
5. Indoor unit.
6. Remote controller.
Length
Must comply with relevant local and national regulations
—
1
H05VV-U4G (Note)
Interconnection wire
Size (mm
2
)
0.75 ~ 1.25
Sheathed wire (2 wires)
Unit remote controller
Power supply indoor fan
Max. 500 m
