Download CT2001 Touchscreen Programmable Thermostat

CT2001 Touchscreen Programmable Thermostat
Table 9. Sequence of Operation for Heat Pump Systems.
System Setting
Fan Setting
Call for Action
OFF
AUTO
None
O/ B
COOL
AUTO
None
O/ B
COOL or AUTO
AUTO
Stage 1 Cooling
Y, G, O/B
COOL or AUTO
AUTO
Stage 1 and Stage 2
Cooling
HEAT
AUTO
None
HEAT or AUTO
AUTO
Stage 1 Heating
Y, G, O/B
HEAT or AUTO
AUTO
Stage 1 and Stage 2
Heating
Y, AUX , G, O/B
HEAT or AUTO
a
AUTO
Stage 1, 2 and 3
Heating
Energize Terminals
Y,
a
None
a
None
a
Cool On
d
Y2 , G, O/B
a
a
O/B
Heat On
a
Aux Heat On
e
Y, Y2 , AUX , G,
O/B
Cool On
None
a
c
d
Screen Message
a
a
Em. HEAT
AUTO
None
L, O/B
Em. HEAT
AUTO
Stage 1 Heating
E, G, L, O/B
Em. HEAT
AUTO
Stage 1 and Stage 2
Heating
E, AUX, G, L, O/B
Aux Heat On
None
a
Heat On
a
Aux Heat On
Configure O/B in Installer Setup. Based on last piece of equipment called (cooling = O or
heating = B).
cIf Installer Setup System Type is set to 2Heat/1Cool Heat Pump with Auxiliary Heat.
dIf Installer Setup System Type is set to 3Heat/2Cool Heat Pump with Auxiliary Heat.
eThis terminal does not energize if Installer Setup System type is set to 2 Heat/2 Cool Heat
Pump with no Auxiliary Heat.
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