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English
13
Indoor Unit Installation (1)
10.
Wiring
, install as described in the installation manual supplied with the Multi outdoor unit.
• Lift the sensor securing plate, remove the front metal plate cover, and connect the branch wiring to the terminal block.
1) Strip wire ends (15mm).
2) Match wire colours with terminal numbers on indoor and outdoor unit’s terminal blocks and firmly screw wires to the
corresponding terminals.
3) Connect the earth wires to the corresponding terminals.
4) Pull wires to make sure that they are securely latched up, then retain wires with wire retainer.
5) Make sure that the wires do not come in contact with the metal conduit for the heat exchanger.
6) In case of connecting to an adapter system. Run the remote controller cable and attach the S21. (Refer to
11. When
connecting to an HA system
.)
WARNING
1) Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating, electrical
shock, or fire.
2) Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminal block.) Doing so may cause electric shock or fire.
3) Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.
4) Use an all-pole disconnection type breaker with at least 3 mm between the contact point gaps that provide full disconnection
under overvoltage category III.
With a Multi indoor unit
1
2
3
1 2 3
L N
Firmly fix the wires with
the terminal screws.
Outdoor unit
Indoor
unit
Firmly fix the wires with
the terminal screws.
1
2
3
Terminal block
Electrical
component
box
Wire retainer
Use the specified
wire type.
Make sure that the wires
do not come in contact
with the metal conduit
for the heat exchanger.
Shape wires so
that the front metal
plate cover will fit
securely.
Firmly secure wire
retainer so that
wires sustain no
external stress.
Front metal
plate cover
Sensor securing plate
Interconnection cable
4-core cable 1.5 mm
2
~2.5 mm
2
and applicable for 220~240 V
H05RN-F (60245 IEC 57)
3PEN477070-1F.book Page 13 Thursday, March 28, 2019 9:06 AM
