Operation Mode Temperature Hold Clock Room Temperature Set Point Temperature Model PSTS11P52 Terminations: Rc, Rh, B, O, Y, W, G, C Model PSTS21P52 Terminations: R, O, B, C, Y1, E/W1, G, W2 Model PSTS21P52: Compatibility with low voltage multi-stage gas, oil or electric heating or cooling systems, including multi-stage heat pumps. Model PSTS11P52: Compatibility with low voltage single stage gas, oil or electric heating or cooling systems, including single stage heat pumps can also be used on 250mv to 750mv millivolt heating only systems. Programmable ThermostatsPSTS11P52 Single Stage 1 Heat / 1 Cool PSTS21P52 Multi-Stage 2 Heat / 1 CoolConventional and Heat PumpBefore Installing, Programming or Operating, PLEASE READ ALL INSTRUCTIONS1 2 3 4 5 If the HOLD feature is activated, the current set point will be held until HOLD is released. NOTE MODEL PSTS21P52: If the thermostat is congured for a conventional system and the system switch is in the EMER position, the unit will still function in a conventional 2 stage HEAT mode, but the display will ash NO AUX SET.Ĥ Programming User SettingsDefault Thermostat SettingsFunction Status After ResetĤ Programming User SettingsSetting Thermostat User OptionsĤ Programming User SettingsSetting the Extended Hold Time (see also section 6)The default setting is Long (indenite) Hold. Gently press the RESET button on the front of the thermostat using a paperclip or a small pencil tip. NOTE: If batteries were installed prior to accomplishing steps 14 through 16, you will need to reset the thermostat to register thermostat switch congurations prior to programming any user settings. Restore system power so you can test installation. Locate the positive (+) ends of the batteries and match them with the positive (+) terminals located in the battery compartment. Open front thermostat door and open battery compartment door. Do not use this thermostat on applications with voltages above 30 Volts AC.Ģ Installation cont.18.
NOTEMODEL PSTS21P52: This thermostat is designed for use with 24 Volt-AC low voltage multi-stage gas, oil or electric heating or cooling systems, including multi-stage heat pump systems. Do not use this thermostat on applications with voltages above 30 Volts AC. 2 Installation cont.NOTEMODEL PSTS11P52: This thermostat is designed for use with 24 Volt-AC low voltage single stage gas, oil or electric heating or cooling systems, including single stage heat pumps and can also be used on 250mv to 750mv millivolt heating only systems.