Service Manual

– 115 –
No.
5
Part name
Inverter
assembly
Procedure
1. Detachment
1) Carry out the operation in 1. of
Q
, 1. of
R
and
1. of
T
above.
2) Remove the connectors connected to the fan motor
relay board and the Fan IPDU board, the connector
connected to other components from the control
board
(Interface board).
CN600: TS sensor (3P: White, tube: Gray)
CN601: TE sensor (2P: White, tube: Blue)
CN602: TO sensor (2P: Orange, tube: Black)
CN603: TD sensor (3P: White, tube: Red)
CN604: TL sensor (2P: White, tube: White)
CN606: Presure sensor (4P: White)
CN609: Case thermo. (2P: Blue)
CN690: High poressure switch (3P: Green)
CN700: 4-way coil (2P: Yellow)
CN702: 2-way valve coil (3P: White)
CN710: PMV coil 1 (6P: White)
CN711: PMV coil 2 (6P: White)
• Fan IPDU board
CN750: Outdoors fan motor (3P: White)
Cut the banding band and remove connector
connected from fan motor to fan motor relay board.
• Fan motor relay board
CN08 : Outdoors fan motor (3P: White)
∗ Remove connectors after unlocking housing
section
3) Remove the screw (1 position) fixing the discharge
port cabinet.
4) Cut bundling band fixing various lead lines to
inverter assembly.
5) Remove water-proof sheet (rubber sheet) and
sound-insulation plate (upper).
6) Remove terminal cover of compressor and remove
compressor lead.
7) Pull up the inverter assembly at upper side to
remove hook of partition plate (rear left part).
2. Attachment
1) Mount the inverter assembly on the partition plate.
CAUTION
When mounting the inverter assembly on the
partitioning plate, ensure proper mounting of the hook
(rear left part) with partitioning plate.
2) Mount the individual components in the opposite
procedure to that during detachment.
Remarks
Water-proof sheet (rubber sheet)
Sound-insulation board
(upper)
Discharge port
Discharge port
cabinet
cabinet
Screws
Screws
Fan motor
Fan motor
relay board
relay board
Interface
Interface
board
board
Compressor lead
Compressor lead
Inverter assembly
Inverter
Inverter
assembly
assembly
Hook
Partition plate
Partition plate
Hook sectio
Hook sectio
Case thermostat
Case thermostat
Compressor lead
Inverter
assembly
Partition plate
Hook sectio
Case thermostat
Fan-IPDU board
Fan-IPDU board
Remove the fan motor lead wire
from the cord clamp.
Discharge port
cabinet
Cut the
Cut the
banding band
banding band
Screws
Fan motor
relay board
Interface
board
Fan-IPDU board
Cut the
banding band