York VCH-25A Installation Manual page 54

Micro switch configuration
Type Thermostat numbers
9
9
9
9
Thermostat 9
9
9
9
9
1 Ambient probe open or short circuited
2 Internal probe not calibrated
3 Communication error
4 Fault with AL terminal connected
5 S5 digital probe not detected
6 S6 digital probe not detected
7 S7 digital probe not detected
8 S8 digital probe not detected
9 Digital outdoor probe not detected
Wiring diagrams
DPC-1 thermostat
Description
2
2.4
51