Carrier 30AWH004HB Service Manual page 111

N° Exchange Work procedure (IMPORTANT: Ensure gloves are
parts worn at all times to avoid risk of injury)
name
(3) Air-outlet
cabinet
1. Perform the work from 1 to 4 of (1).
2. Remove the screws for the air-outlet cabinet and
3. Remove the screws for the air-outlet cabinet and
4. Remove the screws for the air-outlet cabinet and
5. Remove the screw for the air-outlet cabinet and the
6. Replace the cabinet removed and attach the taken-
(4) Inverter 1. Perform the works from 1 to 4 of (1) and (3) .
assembly
(012) WARNING
sassemble the inverter to prevent an electric shock.
Perform discharging by connecting the discharging
resistance or plug of soldering iron to + , – terminals
of the C10 too 13 electrolytic capacitor (760μF) of
P.C. board.
Never use a screwdriver or similar device to di-
scharge the electrolytic capacitor components as a
electric shock may occur.
Under system fault condition, the electrolytic capa-
citor components may not have discharged. Ensure
these are discharged before proceeding.
2. Remove connectors which are connected from the
cycle P.C. board to the other parts.
3. Lead wires Connection with the power terminal
block: 3 wires (Black, White, Orange)
Earth wire: 1 wire (Black)
4. Connectors
Connection with compressor: Remove 3P connector.
Connection with reactor: Remove the relay
connectors from P08, P09 and P12, P13.
CN600: TD sensor (3P)
CN601: TO sensor (2P)
CN604: TE sensor (2P)
CN605: TS sensor (3P)
CN301: Upper outdoor fan (3P)
CN300: Detection of upper outdoor fan (5P)
CN302: Lower outdoor fan (3P)
CN303: Detection of lower outdoor fan (5P)
CN500: Case thermo. (2P)
CN700: 4-way valve (3P)
CN702: PMV (Pulse Motor Valve) (6P)
REQUIREMENT
As each connector has a lock mechanism, avoid to
remove the connector by holding the lead wire, but
by holding the connector.
inverter assembly.
6. Lift up the hook (upper left) with the partition plate
upward just removing.
SM_30AW.indd 111
Remarks
Heat exchanger
Fin guard
Air-outlet cabinet
-
One of two hooks
Heat sink cover
Different lock mechanisms of different inverter board connectors
111
8
Maintenance
P.C. Board
30AW
14-03-2011 14:46:47