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Table 12. DIP Switches 1 and 2
Table 13. DIP Switches 3–10
Equipment Type DIP 1 DIP2
1 Stage Conventional On (up) On (up)
2 Stage Conventional On (up) Off (down)
3 Stage conventional Off (down) On (up)
Heat Pump Off (down) Off (down)
DIP Switch Function On (Up, Default) Off (Down)
3 Type of furnace Conventional/non-communicating EnviraCom Communicating
4 Purge time Two minutes 3.5 minutes
5 Fan control during purge HVAC controlled Panel controlled
6 Damper control during purge Last zone(s) calling open during purge Open all dampers during purge
7 Heat pump compressor
stages
One stage Two stages
8 Fan control in heat Fan controlled by panel in cool and
HVAC equipment in heat
Fan controlled by panel in heat and
cool
9 Heat pump changeover O (Cool changeover) B (heat changeover)
10 Not used — —