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Saswell T21STK-0 - User Manual

Saswell T21STK-0
28 pages
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1
OPERATING
T21STK-0
INSTRUCTION
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Saswell T21STK-0 Specifications

General IconGeneral
TypeDigital Thermostat
Power SourceBattery
Power Supply2 x AA Batteries
Temperature Range5°C to 35°C
DisplayLCD
BacklightYes
MountingWall Mount
ProgrammableYes

Summary

OPERATING INSTRUCTION

Product Specifications

Lists power supply, terminal load, temperature range, accuracy, dimensions, and color of the thermostat.

Key Features

Details the thermostat's LCD display, heat/cool storage, simultaneous display, fan control, and indicators.

Important Safety Information

Covers crucial warnings for safe installation and operation, including power disconnection and voltage limits.

Removing the Old Thermostat

Provides step-by-step instructions for safely removing the existing thermostat and its wiring.

Installing the Thermostat

Guides users through mounting the thermostat base, connecting wires, and installing batteries.

Fan Operation Switch

Explains how to set the fan switch for different heating system types like electric or gas.

Battery Operation

Details how the thermostat operates on battery power, including backlight behavior and low battery indicators.

Wiring Diagram

Presents a visual guide to the typical wiring connections for heat/cool and heat pump systems.

Thermostat LCD Display

Identifies and explains the various icons and indicators shown on the thermostat's LCD screen.

Thermostat Buttons and Switches

Describes the functions of the thermostat's physical controls, including buttons and system switches.

CHECK THERMOSTAT OPERATION

Fan Operation Testing

Outlines the procedures for testing the fan's ON and AUTO operational modes.

Heating System Operation

Details steps to test the heating system and interpret the 'Heat On' display status.

Cooling System Operation

Provides instructions for testing the cooling system and understanding the 'COOL On' display status.

THERMOSTAT OPERATION

Setting the Thermostat

Instructions for setting the desired temperature and managing system on/off states.

Time and Day Setting

Guides users through setting the current hour, minutes, and day of the week on the thermostat.

Filter Review and Reset

Explains how to check the filter's operational time and reset the filter change reminder.

Troubleshooting

Cooling Cycle Rate Selection

Explains the FA (fast) and SL (slow) settings for cooling cycle differentials.

Heating Cycle Rate Selection

Explains the FA (fast) and SL (slow) settings for heating cycle differentials.

System Heating Type Selection

Details options for selecting heating system types: gas, oil, electric, or heat pump.

Display Backlight Settings

Covers options for NO backlight, timed backlight, or continuous backlight display.

Filter Replacement Time

Allows setting the duration for the filter change reminder alarm.

Temperature Readout and Calibration

Options to select °F/°C display and recalibrate the room temperature reading.

Compressor Lockout Delay

Sets the delay time to protect the compressor from short cycling.

CONFIGURATION AND OPERATION

Configuration Menu Overview

Summarizes configuration menu options including cycles, system type, and backlight settings.

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