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General| Brand | Smart temp |
|---|---|
| Model | 42158 |
| Category | Thermostat |
| Language | English |
Steps to mount the thermostat's wall plate securely to the wall.
Detailed steps for connecting the system wires to the thermostat terminals.
Final steps to attach the thermostat body to the installed wall plate.
How to change the temperature display between Celsius and Fahrenheit.
Guide to setting the current day and time on the thermostat display.
Instructions for manually adjusting thermostat settings and overriding programs.
Information on using the thermostat's pre-programmed energy-saving settings.
Guide to programming custom heating and cooling schedules.
How to activate the thermostat's display backlight for dark viewing.
Explanation of the filter reminder system and how to reset it.
Adjusting the system ON/OFF cycle rate for efficient heating/cooling.
How the thermostat indicates low battery levels and what to do.
Feature to gradually return system to comfort setting from energy-saving modes.
Indicates unexpected battery problems and system shutdown.
Automatic system shutdown if temperature extremes are reached.
Displays temperature ranges for operation and programming.
3.5-minute delay before restarting compressor after shutdown.
How to restore factory settings by pressing the reset button.
Wiring diagram for a 4-wire heat/cool system configuration.
Wiring diagram for a 5-wire heat/cool system configuration.
Wiring diagram for a 2-wire heat only system configuration.
Wiring diagram for a single-stage heat pump system configuration.
Wiring diagram for a 3-wire heat only system configuration.
Wiring diagram for a 3-wire cool only system configuration.
Troubleshooting steps for display not coming on or being erratic.
Troubleshooting steps for program not changing correctly.
Troubleshooting for heating/cooling operation and display illumination.
Troubleshooting for system running when off, permanent HI/LO/ERR messages.
Reference to manual operation instructions on pages 28-31.
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