Carrier Debonair 2 Owner's Manual page 12

Advanced Setup
4
Select fan coil system type:
2 = 2-pipe fan coil
4 = 4-pipe fan coil
2
Step #4 only appears if step #3 = 2.
2-PIPE SYSTEM OPERATION
1= Heat only system
2= Cool only system
3= Heat/Cool Auto changeover
4= Heat/Cool Aux Electric
heat, Lockout Electric Heat
when Hot Water is available
5= Heat/Cool total electric
heat, no Hot Water, only Electric Heat.
Note: #3 & #4 require accessory changeover sensor
On
Select operation when
fan is in the Auto mode:
On = continuous low speed fan
Off = only energize during
Off
See Page 20, Note #2
a heating or cooling cycle.
11
Setup
MODE
Setup
MODE
AUTO
MODE
Continued
Press
Press
Press