WIRING CONNECTIONS
Refer to equipment manufacturers' instructions for specifi c system wiring information. After wiring, see CONFIGURATION section for proper thermostat confi guration. Refer to
TERMINAL DESIGNATION DESCRIPTIONS
Terminal Designation | Description | Terminal Designation | Description | |
O/B | (SS) Power closed for 3 wire zone | RH | Power for Heating | |
| (HP) Changeover valve for heat pump | RC | Power for Cooling | |
...................... | Compressor Relay | |||
Y | C | Common wire from secondary side | ||
Heat Relay | ||||
W |
| of cooling system transformer or | ||
G | Fan Relay |
| heat only system transformer | |
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THERMOSTAT QUICK REFERENCE
Figure 4 – Home Screen Display
Home Screen Description
Displays the power level of the
2 “AA” batteries:
indicates good power level. 
indicates batteries at about
half power. “Cambiar 
” (Change 
) indicates batteries are low and should be replaced with 2 new premium brand “AA” Alkaline batteries.
SISTEMA
Indicator
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Time | Temperature | Setting | |||||||
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Temperature Up/Down
RETENER
Button
SISTEMA
Button VENT
Indicator VENT MENU/PROGRAMA/ARRANCAR
Button Button
Programming and Configuration Items
1Flame icon (
) is displayed when the system is in CALOR mode. Snowfl ake icon (
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is displayed when the system is in FRIO mode.
2The word RETENER is displayed when the thermostat is in the RETENER (Hold) mode. Temporal RETENER is displayed when the thermostat is in a Temporal RETENER (Temporary Hold) mode.
3Displays "Cambiar Frio" (Change Filter) when the system has run for the programmed fi lter time period as a reminder to change or clean your fi lter.
4Displays "Ajuste" (Set) for setpoint when in Run Program mode.
5Displays System Mode (Calor, Frio, Auto, Off) or Hora (Time) in menu mode.
6Displays Fan Mode (On, Auto) or "Arrancar" (Run) in Menu mode of "Ahorra" (Saving) in Cool SavingsTM Mode.
7Displays "Arrancar Programa" (Run Schedule), "Programa" (Schedule), or "Menu".
8Displays "Guardar" (Save) when Cool SavingsTM is working.
Figure 5 – Programming & Configuration Items
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3 | 10 |
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9Displays "Bomba de Calor" (Heat Pump) when system is confi gured as Heat Pump thermostat.
10Displays "Retener" (Hold) in programmable mode when in "Retener" (Hold) mode. Displays Light Bulb in
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