Source 1 S1-THEH21NS Owner's Manual
  1. Manuals
  2. Brands
  3. Source 1 Manuals
  4. Thermostat
  5. S1-THEH21NS
  6. Owner's manual

Source 1 S1-THEH21NS Owner's Manual

Heat pump non-programmable digital thermostat
Hide thumbs

Advertisement

Table of Contents

Enlarged version
Owner 's Manual
Owner 's Manual
HVAC SERVICE PARTS

Heat Pump

Heat Pump
Non- Programmable
Non- Programmable
Control up to 2-Heat & 1-Cool
Control up to 2-Heat & 1-Cool
Battery or System Powered
Battery or System Powered
TM
Digital
Digital
Therm ostat
Therm ostat
Auxiliary Heat Indicator
Auxiliary Heat Indicator
Fahrenheit or Celsius
Fahrenheit or Celsius
Copyright
2007 Source1
Model
S1-THEH21NS
Use with most
Use with most
Heat Pump systems:
Heat Pump systems:
1-Heat, 1-Cool
1-Heat, 1-Cool
2-Heat, 1-Cool
2-Heat, 1-Cool

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the S1-THEH21NS and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Source 1 S1-THEH21NS

Summary of Contents for Source 1 S1-THEH21NS

  • Page 1: Heat Pump

    Owner ’s Manual Owner ’s Manual Model S1-THEH21NS HVAC SERVICE PARTS Use with most Use with most Heat Pump systems: Heat Pump systems: 1-Heat, 1-Cool Digital 1-Heat, 1-Cool Digital Heat Pump 2-Heat, 1-Cool Heat Pump 2-Heat, 1-Cool Therm ostat Therm ostat...

  • Page 2: Table Of Contents

    OWNER'S MANUAL S1-THEH21NS Contents Page # Safety Warnings Front Panel Display Normal Operation Aux Heat Fahrenheit or Celsius Preparation Remove Old Thermostat Battery Replacement Wire Connections Test Operation Troubleshooting Warranty Page 2...

  • Page 3: Safety Warnings

    OWNER'S MANUAL S1-THEH21NS Safety Warnings P/N S1-THEH21NS CAUTION Follow Installation Instructions carefully. DISCONNECT POWER TO THE HEATER - AIR CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING WARNING THE NEW THERMOSTAT. CAUTION The two Alkaline “AA” batteries must be replaced at least once every 12 months to ensure proper operation.

  • Page 4: Front Panel

    OWNER'S MANUAL S1-THEH21NS Front Panel MODE SWITCH BATTERY Cool, Off, or Heat DISPLAY DOOR AUX HEAT SWITCH Emergency Normal Lockout COOLER & FAN SWITCH WARMER On or Auto BUTTONS Page 4...

  • Page 5: Display

    OWNER'S MANUAL S1-THEH21NS Display SET TEMP HEAT COOL BATTERY Heat and Cool indicators. In normal operation, Heat or Cool appears, depending on the Mode Switch position. When heat or cool is energized, the Heat or Cool indicator will flash. Current room or set temperature.

  • Page 6: Normal Operation

    OWNER'S MANUAL S1-THEH21NS Normal Operation MODE SWITCH Cool, Off or Heat COOLER & WARMER FAN SWITCH BUTTONS On or Auto Operation Select Cool or Heat with the Mode Switch. Normally leave the fan switched to Auto. In Fan Auto, the fan will turn on only with a heat or cool demand.

  • Page 7: Aux Heat

    OWNER'S MANUAL S1-THEH21NS Aux Heat AUX HEAT SWITCH Emergency - Disables all compressor functions* and energizes only Aux Heat to satisfy the heat demand. Normal - Aux Heat is allowed to run, if necessary, along with the heat pump to satisfy the heat demand.

  • Page 8: Fahrenheit Or Celsius

    OWNER'S MANUAL S1-THEH21NS Fahrenheit or Celsius MODE SWITCH Cool, Off or Heat COOLER & WARMER BUTTONS Operation Select Off with the Mode Switch. Press and hold the COOLER and WARMER buttons at the same time until the temperature is displayed in degrees Celsius.

  • Page 9: Preparation

    OWNER'S MANUAL S1-THEH21NS Preparation Proper installation of the thermostat will be accomplished by following these step by step instructions. If you are unsure about any of these steps, call a qualified technician for assistance. These tools will be required: Flat Blade...

  • Page 10: Remove Old Thermostat

    OWNER'S MANUAL S1-THEH21NS Remove & Replace Old Thermostat Remove the cover of the old thermostat. If it does not come off easily check for screws. Loosen the screws holding the thermostat base or subbase to the wall, and lift away.

  • Page 11: Battery Replacement

    OWNER'S MANUAL S1-THEH21NS Battery Replacement The batteries are easily accessible from the battery slot located on the front of the thermostat (fig. 1). To open the battery slot, press down on the battery cover (fig. 1) and pull out (fig. 2).

  • Page 12: Wire Connections

    OWNER'S MANUAL S1-THEH21NS Wire Connections If the terminal designations on your old thermostat do not match those on the new thermostat, refer to the chart below or the wiring diagrams that follow. Install on the Wire from the new thermostat...

  • Page 13: Sample Wiring Diagrams

    OWNER'S MANUAL S1-THEH21NS Sample Wiring Diagrams 4 Wire, 1 Stage Cooling, 1 Stage Heat-Heat Pump with O reversing valve. Residential Heat Pumps, split systems & package units, with no auxiliary heat. Common wire optional 4 Conductor 18 to 22 gauge unshielded cable from the thermostat to the equipment.
  • Page 14 OWNER'S MANUAL S1-THEH21NS Sample Wiring Diagrams 5 Wire, 1 Stage Cooling, 2 Stage Heat-Heat Pump with O reversing valve. Residential Heat Pumps, split systems & package units, with auxiliary heat. Common wire optional 5 Conductor 18 to 22 gauge unshielded cable from the thermostat to the equipment.
  • Page 15 OWNER'S MANUAL S1-THEH21NS Sample Wiring Diagrams 4 Wire, 1 Stage Cooling, 1 Stage Heat-Heat Pump with B reversing valve. Residential Heat Pumps, split systems & package units, with no auxiliary heat. Common wire optional 4 Conductor 18 to 22 gauge unshielded cable from the thermostat to the equipment.
  • Page 16 OWNER'S MANUAL S1-THEH21NS Sample Wiring Diagrams 5 Wire, 1 Stage Cooling, 2 Stage Heat-Heat Pump with B reversing valve. Residential Heat Pumps, split systems & package units, with auxiliary heat. Common wire optional 5 Conductor 18 to 22 gauge unshielded cable from the thermostat to the equipment.

  • Page 17: Test Operation

    OWNER'S MANUAL S1-THEH21NS Test Operation Turn on the power to the Heat Pump. On the thermostat, slide the Mode Switch to HEAT. Press the COOLER or WARMER button until the set temperature is 10 degrees above room temperature. The HVAC unit should energize in the heating mode.
  • Page 18 OWNER'S MANUAL S1-THEH21NS Test Operation On the thermostat, slide the Mode Switch to COOL. Press the COOLER or WARMER button until the set temperature is 10 degrees below room temperature. The HVAC unit should energize in the cooling mode (Page 6).

  • Page 19: Trouble Shooting

    OWNER'S MANUAL S1-THEH21NS Trouble Shooting SYMPTOM: The slide switches on the thermostat are very difficult to move. CAUSE: The backplate of the thermostat is screwed too tightly into a wall that is not perfectly flat. REMEDY: Loosen the screws holding the thermostat into the wall.
  • Page 20 Raise the heating setpoint (Page 6). Correct the Mode Switch position (Page 6). Replace the batteries (Page 11). Adjust the Aux Switch to Normal (Page 7). Battery Stat P/N S1-THEH21NS Tested to Comply with FCC Standards FOR HOME OR OFFICE USE 4Z95 P/N 88-549 Rev.

  • Page 21: Warranty

    OWNER'S MANUAL S1-THEH21NS Warranty One-Year Warranty - This Product is warranted to be free from defects in material and workmanship. If it appears within one year from the date of original installation, whether or not actual use begins on that date, that the product does not meet this warranty, a new or remanufactured part, at the manufacturer’s sole option to replace any defective part, will be...

Table of Contents