Carrier 40VU007-054H-7S-QEE Installation And Owner's Manual page 28

Electrical Wiring
Code setting of wired controller
Function switches
Code Switch
status
SW1 ON
OFF
ON
New fan-only has refrigerating,
SW2
heating, and air supplying modes
OFF
ON
OFF Do not display ambient temperature
SW3
ON
OFF
SW4
ON Collect ambient temperature of wired
SW5
OFF Collect ambient temperature of PCB
ON Power failure memory disabled
OFF Power failure memory enabled
SW6
ON Temperature sensor 4k7 enabled
OFF Temperature sensor 4k7 disabled
SW7
ON Temperature sensor 5k1 enabled
OFF Temperature sensor 5k1 disabled
SW8
Note: ON indicates short circuit; OFF indicates disconnection.
The difference between master and slave wired controller
Topic Master
controller
Function All function
Function description
Auxiliary wired controller
Master wired controller
Common wired controller
Display ambient temperature
26 lock disabled
26 lock enabled
controller
Slave controller
ON/OFF, Mode, Fan speed, Temp, Swing function only.
Default setting
OFF
ON
OFF
ON
ON
OFF
Between SW7 and SW8, one and only one must be
ON
ON for any given period
OFF
21
Remarks