–
115
–
P.C. board base
P.C. board
CN700
CN602
CN300
CN701 CN703
CN603
CN601
CN600
No.
4
Part name
Control board
assembly
Procedure
1. Disconnect the leads and connectors connected to
the other parts from the control board assembly.
1) Leads
• 3 leads (black, white, orange) connected to
terminal block.
• Lead connected to compressor :
Disconnect the connector (3P).
• Lead connected to reactor :
Disconnect the 2 connectors (2P).
2) Connectors (×7)
CN300 : Outdoor fan motor (3P: white)
!
(See NOTE)
CN701 : 4-way valve (2P: yellow)
!
CN600 : TE sensor (2P: white)
!
CN700 : PMV (6P: white)
CN603 : TS sensor (3P: white)
!
CN601 :TD sensor (3P: white)
!
CN602 : TO sensor (2P: white)
NOTE
These connectors have a disconnect prevention
mechanism: as such, the lock on their housing
must be released before they are disconnected.
2. Remove the control board assembly from the P.C.
board base.
(Remove the heat sink and control board assem-
bly while keeping them screwed together.)
NOTE
Disengage the 4 claws of the P.C. board base,
hold the heat sink, and lift to remove it.
3. Remove the 2 fixing screws used to secure the
heat sink and control board assembly.
4. Mount the new control board assembly.
NOTE
When mounting the new control board assembly,
ensure that the P.C. board is inserted properly
into the P.C. board support groove.
Remarks
CN300, CN701, CN703,
CN600 and CN603 are
connectors with locking
mechanisms: as such, to
disconnect them, they must
be pushed in the direction of
the arrow while pulling them
out.
Summary of Contents for RAS-18SAV-E
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