Ultrastat thermostat

The TB provides temperature control for gas, oil, electric, and heat pumps for up to 2 heat, and 2 cool systems.

Share your interactive ePaper on all platforms and on your website with our embed function. Electrical Ratings: See Table 2. Default Settings: See Table 3. Cooling: Selectable 1 - 6 cycles per hour. Interstage Differential:Droopless control. Non-replaceable lithium battery with ten-year life: Under normalconditions holds calendar and time settings. NOTE:Alkaline batteries keep calendar and time if lithiumbattery is no longer functional.

Ultrastat thermostat

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To verify sensor resistance, remove one wire from one of thewiring terminals. If the thermostathas batteries, a low battery warning see Fig. This operation is dropless control, ultrastat thermostat.

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Table Of Contents. Table of Contents. Quick Links. TBU Commercial. Previous Page. Next Page. Sharp instruments like a pen or pencil point can damage the thermostat.

Ultrastat thermostat

Table of Contents. Quick Links. TB Ultrastat. The TB provides temperature control for gas, oil, electric.

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Heating equipment does not turnoff and heat temperature settingis set below room temperature Heat On is not in the display. Selection in this stage changes default CPH of second stage cool. Unlocked: All functions accessible. Set the system setting to Cool and set the temperature setting below the room temperature. In addition, program the temperature to this comfort temperature. After installation is complete, check out productoperation as provided in these instructions. This offset applies to both the control temperature and tothe display temperature for indoor sensor and remoteindoor sensor Resets all Installer Setup parameters to default values andresets the schedule to default. The editors will have a look at it as soon as possible. To unlock screen, see the Advanced Settings section. Wiring Diagrams.

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Second stage cooling. Read these instructions carefully. Only shown for system with cool stages. Selection in this stage changes default CPH of second stage cool. Fan does not turn on in a call forheat electric furnace. Only shown for heat pump systems with more heat stagesthan cool selected and remote sensor selection is outdoorfor control. Verify operation of equipment in System Test mode. Press Up or Down arrow to change the temperaturedesired for the thermostat to override the schedule. If you have additional questions, need further information, or would like to comment on our products or services, please write orphone Remove sensor cover. This operation is dropless control. Pre-occupancy purge enabled by nonzero duration. System selection is not set to Heat or Cool. OCC 2: Second occupied period. If voltage is not present, check theheating equipment to find the cause of theproblem.