SiMT041311E
Installation Manual
Installation / Operation Manual
66
10
5-3 Wall embedded piping
Inner wall
Drain hose
Outer wall
CAUTION
The indoor unit is large, so please be careful not to lose your balance when lifting it.
6.
Wiring
1
2
3
Terminal block
Wire retainer
Electrical wiring box
1
2
3
1 2 3
L N
WARNING
1) Insert the drain hose to this depth so it won’t be pulled out
of the drain pipe.
Follow the instructions given under left-side, left-back, or left-
bottom piping.
Insert drain hose to this
depth so it won’t be
pulled out of drain pipe.
Vinyl chloride
drain pipe
(VP-30)
50mm
or more
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) In case of connecting to the HA system. Run the HA connection cord and attach the S21.
(Refer to “
Connecting to the HA system
” on page 18.)
6) Shape the wires so that the service lid fits securely, then close the service lid.
Shape wires so that the
service lid will fit securely.
Firmly secure wire retainer
so that wires sustain no
external stress.
Use the specified
wire type.
Indoor
unit
Firmly fix the wires with
the terminal screws.
Outdoor
unit
Inter-unit wire
4-core 1.5mm² or more
60245 IEC 57
H05RN
Firmly fix the wires with
the terminal screws.
• Do not use tapped wires, extension cords, or starburst connections, as they may cause overheating, electrical shock, or fire.
• 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.
• Do not connect the power wire to the indoor unit. Doing so may cause electric shock or fire.