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Installation
• TQ/TR Chassis
Terminal Block Indoor
1(L)
2(N)
INDOOR
POWER INPUT
• TM/TN/TP Chassis
Terminal Block
Indoor
L(L1) N(L2)
INDOOR
POWER INPUT
!
WARNING
Make sure that the screws of the terminal are free from looseness.
!
CAUTION
The Power cord connected to the unit should be selected according to the following
specifications.
!
CAUTION
After the confirmation of the above conditions, prepare the wiring as follows:
1) Never fail to have separate power specially for the air conditioner. As for the method of wiring, follow the circuit
diagram pasted on the inside of control box cover.
2) Provide a circuit breaker switch between power source and the unit.
3) The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to
which the unit is subjected during the course of transportation. Check them and make sure that they are all
tightly fastened. (If they are loose, it could give rise to burn-out of the wires.)
4) Confirm the Specification of power source
5) Confirm that electrical capacity is sufficient.
6) Be sure that the starting voltage is maintained at more than 90 % of the rated voltage marked on the name plate.
7) Confirm that the cable thickness is as specified in the power sources specification.
(Particularly note the relation between cable length and thickness.)
8) Do not install the leakage breaker in a place which is wet or moist.
Water or moist may cause short circuit.
9) The following troubles would be caused by voltage drop-down.
• Vibration of a magnetic switch, damage on the contact point there of, fuse breaking, disturbance to the normal function of a
overload protection device.
• Proper starting power is not given to the compressor.
HAND OVER
Teach the customer the operation and maintenance procedures, using the operation manual.
(air filter cleaning, temperature control, etc.)
14
Indoor Unit
SODU
3
4
B
Terminal Block
Terminal Block
Indoor
Indoor
L(L3) N(L4)
A
B
TO AIR
COMMUNICATION LINE(IDU-ODU)
FRESH KIT
Terminal Block of outdoor unit
IDU
INTERNET
DRY1
A
B
A
B
A
-
Terminal Block of outdoor unit
SODU
IDU
INTERNET
DRY1
B
A
B
A
B
A
-
Outdoor
DRY2
GND 12 V
Unit
-
-
-
Outdoor
DRY2
GND 12 V
Unit
-
-
-
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