Sequence Of Operation For Conventional Systems; Sequence Of Operation For Heat Pump Systems - Sea Breeze STS32 Manual

STS32/STS32H Touchscreen Programmable Thermostat
Table 7. Sequence of Operation for Conventional Systems.
System Setting Fan Setting Call for Action
OFF AUTO None
COOL AUTO None
COOL or AUTO AUTO Stage 1 Cooling
Stage 1 and Stage 2
COOL or AUTO AUTO
Cooling
HEAT AUTO None
HEAT or AUTO AUTO Stage 1 Heating
Stage 1 and Stage 2
HEAT or AUTO AUTO
Heating
a
G energizes only if Installer Setup number 0180 is set to Electric.
b
If Installer Setup System type is set to two stages of cooling.
c
If Installer Setup System type is set to two stages of heating.
Table 8. Sequence of Operation for Power Open and Power Closed Valves or Normally
Open Valves.
System Setting Fan Setting Call for Action
OFF AUTO None
HEAT N/A None
HEAT N/A Heat
Energize Terminals Screen Message
None None
None None
Y, G Cool On
b
Y, Y2 , G Cool On
None None
a
W, G Heat On
c a
W, W2 , G Heat On
Energize Terminals Screen Message
None None
Y None
W Heat On
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STS32/STS32H Touchscreen Programmable Thermostat
Table 9. Sequence of Operation for Heat Pump Systems.
System Setting Fan Setting Call for Action
OFF AUTO None
COOL AUTO None
COOL or AUTO AUTO Stage 1 Cooling
Stage 1 and Stage 2
COOL or AUTO AUTO
Cooling
HEAT AUTO None
HEAT or AUTO AUTO Stage 1 Heating
Stage 1 and Stage 2
HEAT or AUTO AUTO
Heating
Stage 1, 2 and 3
HEAT or AUTO AUTO
Heating
Em. HEAT AUTO None
Em. HEAT AUTO Stage 1 Heating
Stage 1 and Stage 2
Em. HEAT AUTO
Heating
a
Configure O/B in Installer Setup(cooling = O or heating = B).
c
If Installer Setup System Type is set to 2Heat/1Cool Heat Pump with Auxiliary Heat.
d
If Installer Setup System Type is set to 3Heat/2Cool Heat Pump with Auxiliary Heat.
e
This terminal does not energize if Installer Setup System type is set to 2 Heat/2 Cool Heat
Pump with no Auxiliary Heat.
Energize Terminals Screen Message
a
O/ B None
a
O/ B None
a
Y, G, O/B Cool On
d a
Y, Y2 , G, O/B Cool On
a
O/B None
a
Y, G, O/B Heat On
c a
Y, AUX , G, O/B Aux Heat On
d e
Y, Y2 , AUX , G,
Aux Heat On
a
O/B
a
L, O/B None
a
Heat On
E, G, L, O/B
a
E, AUX, G, L, O/B Aux Heat On
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