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1-16
ELECTRICAL WIRING CONNECTION
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.
COMMISSIONING
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
.
1
2
3
1
2
3
Shape wires so
that the service
lid and stop value
cover fit securely.
L1
L2
Power supply
terminal block
Conduit
Mounting Plate
Lock nut
Conduit
Screws
Service Lid
Stop Value Cover
Room B
To indoor unit B
To indoor unit A Power Supply
Room A
GAS
ROOM A
LIQUID
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4/27/2021 2:37:24 PM
4/27/2021 2:37:24 PM