Connection With Room Air-Conditioner; Connection Of Transmission Cable - Hitachi PC-ARF Technical Catalogue

8 Control support devices
PSC-6RAD

8.2.3.3 Connection with room air-conditioner.

1 Remove the front cover of room air-conditioner and the cover of electrical box.
2 The cable attached with the connector of RAC adapter shall be connected with the connector of indoor PCB.
3 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.
C A U T I O N
• Disconnect the power plug before performing this work.
• Turn OFF a breaker power source in case that the power comes from outdoor unit.

8.2.3.4 Connection of transmission cable

H-LINK transmission cable connecting to RAC adapter shall be connected to H-LINK.
RAC adpater H-LINK
wiring
C A U T I O N
• 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.
714
TCGB0106 rev.0 - 12/2014
Use enclosed connector
Connector (accessory)
To other connection
device of H-LINK
Band
Fixed
position