U-Match Single Zone Installation Manual

Pipe Connection Interconnection Wiring Wired Controller Connection Dry Contacts
Cassette Units Duct Units Ceiling & Floor Console Special Tips
Remote ON/OFF ports (CN23)
Duct Unit
There are reserved ports for connecting a remote switch to control the unit to run or stop. The switch can
be set manually or automatically by a special system such as fire alarm system.
NOTE: If t here is no remote s witch connected, these 2 ports should be short connected.
Jumper J7 (Standard)
Remote ON/OFF switch
If the jumper is missing,
there will be “CP” error code.