Table of Contents
Advertisement
Appendix A
1. Heat Stage Relays
This table indicates the relays that will be energized for each heat stage based on the system type.
Table 17:
System
Heat Stages
1
2
2
Heat Pump
1
2
3
3
1
Conventional, thermostat
controlled heating fan
2
1
Conventional, equipment
controlled heating fan
2
2. Cool Stage Relays
This table indicates the relays that will be energized for each cool stage based on the system type.
Table 18:
System
Heat Stages
1
Heat Pump
1
2
1
Conventional
2
Included with SMC55-HWQS version 7420 or newer, SMC55-RESI version 7302 or newer and HomeWorks Palladiom Thermostat version 1.10 or newer.
1
Continued on next page...
Auxiliary Heat
1st Heat Stage
None
Y
and G
1
None
Y
and G
1
Electric
Y
and G
1
Gas / Oil
Y
and G
1
Electric
Y
and G
1
Gas / Oil
Y
and G
1
None
W
and G
1
None
W
and G
1
None
W
1
None
W
1
Auxiliary Heat
1st Heat Stage
Y
, G, and O
1
Y
, G, and O
Y
, Y
, G, and O
1
1
2
Y
and G
1
Y
and G
Y
, Y
, and G
1
1
2
31
2nd Heat Stage
3rd Heat Stage
Y
, Y
, and G
1
2
Y
, W
, and G
1
2
W
and G
2
Y
, Y
, and G
Y
, Y
, W
1
2
1
2
2
Y
, Y
, and G
W
and G
1
2
2
W
, W
, and G
1
2
W
and W
1
2
P/N 032498h
Auxiliary Only
W
and G
2
W
and G
2
, and G
W
and G
2
W
and G
2
Advertisement
Table of Contents
