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INSTALLATION OF UNIT
30
20/25 RT - 460 V3~
10/12,5/15 RT
Conduit panel
Lock nut
Conduit
WARNING
!
• Ground Lines to the product are required for preventing electrical shock accident during
current leakage, Transmission disorder by noise effect and motor current leakage
(without connection to pipe).
CAUTION
!
• After the confirmation of the above conditions, prepare the wiring as follows.
1. Never fail to have an individual power circuit specifically for the air conditioner.
As for the method of wiring, be guided by the circuit diagram posted on the inside of con-
trol cover.
2. Firmly tighten the terminal screws to prevent them loosening. After tightening, pull the
wires lightly to confirm that they do not move. (If they are loose the unit, the unit will not
operate normally or it can cause burn-out of the wires.)
3. Specification of power source.
4. Confirm that electrical capacity is sufficient.
5. See to that the starting voltage is maintained at more than 90 percent of the rated voltage
marked on the name plate.
6. Confirm that the cable thickness is as specified in the power source specification.
(Particularly note the relation between cable length and thickness.
7. Do not install an earth leakage circuit breaker in a wet or moist area.
8. The following would be caused by voltage drop.
- Vibration of a magnetic switch, which will damage the contact point, fuse breaking, dis-
turbance of the normal function of the overload.
9. The means for disconnection from a power supply shall be incorporated in the fixed wiring
and have an air gap contact separation of at least 3mm in each active(phase) conductors.
The power source must be supplied to the
Master Control Box (A:Master) only.
Fix firmly not to be displaced
Main Power
Terminal Block
Insulation
sleeves
attachments
Ground Cable
20/23/25 RT
Conduit panel
Lock nut
Conduit
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