Proliphix IMT Installation Manual page 25

Installing and Wiring the Thermostat
Table 7
Table 7 Relay Matrix
Fuel Burner
Heat1 (1h)
Heat2 (2h)
Cool1 (1c)
Cool2 (2c)
Fan
Heat Pump
Heat1 (1h)
Heat2 (2h)
Aux Heat (3h)
Cool1 (1c)
Cool2 (2c)
Fan
a
If fan on heat is enabled.
b
If Heat Pump is a model which activates the reversing valve (B) for heat mode.
c
If Heat Pump is a model which activates the reversing valve (O) for cool mode.
Aux Heat is the last stage whether you have a single or dual stage heat pump.
Note
18
Beta Draft Confidential
describes what relays are active for the HVAC and fan state.
W1
X
X
X
Proliphix Internet Managed Thermostat (IMT) Installation Guide
W2 Y1
X
X
X
b X
X
b X
X
b X
X
c X
X
c X
X
Part No. 600-03100-000, Rev. 4
Y2 G
a
X
a
X
X
X X
X
X
X X
X X
X
X X
X