Wiring Connection - Hitachi PSC-6RAD Installation Manual

4 ELECTRICAL WIRING
3.2. INTERNAL COMPONENTS AND WIRING CONNECTIONS
3.2.1. ACCESS
Open the cover by removing the

3.2.2. WIRING CONNECTION

Connection with room air-conditioner.
(i) Remove the front cover of room air-conditioner and the cover of electrical box.
(ii) The cable attached with the connector of RAC adapter shall be connected with the connector of
indoor PCB.
(iii) Install the electrical box cover paying attention not to clamp the cable. See an installation manual
of each room air-conditioner for confirming how to connect and how to assemble the cable of RAC
adapter.
CAUTION:
Disconnect the power plug before performing this work.
Turn OFF a breaker power source in case that the power comes from outdoor unit.
Connection of transmission cable
H-LINK transmission cable connecting to RAC adapter shall be connected to H-LINK.
Use enclosed
Connector
RAC adapter
H-LINK wiring
CAUTION:
- Incorrect wiring may cause a failure of RAC adapter. Especially
pay attention not to apply the high voltage like AC400/230V.
- Do not perform the wiring work with power of the central station
or RAC adapter being supplied. It may cause the malfunction.
Turn OFF devices when performing the wiring work.
- The RAC adapter side cable should not overload to the
connector.
- Do not clamp the cable when attaching the RAC adapter cover.
- Band should be in the fixed position.
and screws.
Connector (Accessory)
To other connection
device of H-LINK
Band
Fixed
position