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Idiomas disponibles
Idiomas disponibles
Class 18
[Method of mounting conduit]
1) Dismount the service lid by removing the screws.
2) Pass wires through the conduit and secure them with a lock nut.
3) After completing the wiring work, reattach the service lid to its original position.
Conduit
Lock nut
Conduit
Mounting Plate
1. CHECKLIST BEFORE COMMISSIONING
Do NOT operate the system before the following checks are OK:
The indoor unit is properly mounted.
The outdoor unit is properly mounted.
The system is properly grounded and the ground terminals are tightened.
The fuses or locally installed protection devices are installed according to this document, and have NOT
been bypassed.
The power supply voltage matches the voltage on the identification label of the unit.
There are NO loose connections or damaged electrical components in the switch box.
There are NO damaged components or squeezed pipes on the inside of the indoor and outdoor units.
There are NO refrigerant leaks.
The refrigerant pipes (gas and liquid) are thermally insulated.
The correct pipe size is installed and the pipes are properly insulated.
The stop valves (gas and liquid) on the outdoor unit are fully open.
The following field wiring between the outdoor unit and indoor unit has been carried out according to this
document and local codes.
Drainage
Make sure drainage flows smoothly.
Possible consequence: Condensate water might drip.
The indoor unit receives the signals of the user interface.
The specified wires are used for the interconnection cable.
2. CHECKLIST DURING COMMISSIONING
To perform an air purge.
To perform a test run.
ELECTRICAL WIRING CONNECTION
GAS
ROOM A
LIQUID
Room B
1
2
3
To indoor unit B
COMMISSIONING
Room A
Power supply
terminal block
1
2
3
Shape wires so
L1
that the service
lid and stop value
L2
cover fit securely.
To indoor unit A Power Supply
1-16
Service Lid
Stop Value Cover
Screws
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