Control Board Assembly - Toshiba RAS-18J2KVSG-E Service Manual

Indoor/outdoor unit, r32 inverter
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No.
Part name
Control board
1. Disconnect the leads and connectors connected to
4
assembly
2. Remove the control board assembly from the
3. Remove the two fixing screws used to secure the
4. Mount the new control board assembly.
Procedure
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 connector (2P).
2) Connectors
CN300 : Outdoor fan motor (3P: white)*
(* : See Note)
CN600 : TE sensor (2P: white)*
CN601 : TD sensor (3P: white)*
CN602 : TO sensor (2P: white)
CN603 : TS sensor (3P: white)*
CN700 : PMV (6P: white)
CN703 : 4-way valve (2P: yellow)*
NOTE
These connectors have a disconnect prevention
mechanism: as such, the lock on their housing
must be released before they are disconnected.
s pacer. (Remove the heat sink and control board
assembly while keeping them screwed together.)
heat sink and control board assembly.
NOTE
When mounting the new control board assembly,
ensure that the P .C. board is inserted properly
into the spacer support.
- 132 -
Remarks
CN602
CN600
CN603
CN601 CN703
CN300,CN600,CN601,CN602,
CN603,CN700 and CN703 are
connectors with locking
mechanisms: as such, to
disconnect them, they must be
pressed in the direction of the
arrow while pulling them out.
P.C. board base
P.C. board

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