Carrier 30AWH004HB Service Manual page 112

N° Exchange Work procedure (IMPORTANT: Ensure gloves are
parts worn at all times to avoid risk of injury)
name
(5) Cycle PC 1. Perform the works from 1 to 4 of (1) ,(3) and (4).
board 2. Remove connectors and lead wires:
(012) Connector
CN800: Connection with IPDU P.C. board (5P)
CN01: Connection with IPDU P.C. board (5P)
CN02: Indoor/Outdoor connection terminal block
(3P)
CN03: Connection with IPDU P.C. board (3P)
CN04: Connection with IPDU P.C. board (2P).
REQUIREMENT
As each connector has a lock mechanism, avoid to
remove the connector by holding the lead wire, but
by holding the connector.
3. Remove the supporting hooks at 4 corners to remo-
ve the cycle P.C. board.
4. Mount a new cycle P.C. board.
5. Lift up the hook (upper left) with the partition plate
upward just removing.
(6) IPDU P.C. 1. Perform the works from 1 to 4 of (1) ,(3), (4), and (5).
board 2. Remove the screws of the inverter assembly to sepa-
(012)
3. Remove the connectors and the lead wires which
are connected from IPDU P.C. board to the other
parts.
Connector
CN04: Connection with cycle P.C. board (3P)
CN05: Connection with cycle P.C. board (2P)
CN06: Connection with cycle P.C. board (5P)
CN13: Connection with cycle P.C. board (5P)
CN600: Heat sink sensor (2P)
Lead wire
CN01: Connection with power terminal block (Red)
CN02: Connection with power terminal block (White)
CN03: Connection with inverter box (Black)
CN09: Connection with compressor (Red)
CN10: Connection with compressor (White)
CN11: Connection with compressor (Black)
Rectifier diode
+ : Red lead wire
– : White lead wire
ATTENTION:
The rectifier diode has polarity, so be careful to + and
–. If + and – are mistaken, a trouble is caused.
~ : Orange lead wire (Top)
~ : Brown lead wire (Bottom)
REQUIREMENT
As each connector has a lock mechanism, avoid to
remove the connector by holding the lead wire, but
by holding the connector.
5. Remove the two screws which fix the heat sink and
board (5 positions) to remove IPDU P.C. board.
6. Mount a new IPDU P.C. board.
SM_30AW.indd 112
Remarks
112
8
Maintenance
30AW
14-03-2011 14:46:47