1. ບົດແນະນຳ
This manual provides detailed instructions for the installation, operation, and maintenance of your Suuwer S721 Non-Programmable Heat Pump Thermostat. This thermostat is designed for residential use with heat pump systems up to 2 Heat and 1 Cool stages. Please read this manual thoroughly before installation and use to ensure proper function and safety.
2. ຂໍ້ມູນຄວາມປອດໄພ
ຄຳເຕືອນ: ໃຫ້ປິດໄຟທີ່ໄປຍັງລະບົບຄວາມຮ້ອນ/ຄວາມເຢັນຢູ່ທີ່ຟິວຫຼັກ ຫຼື ແຜງຕັດວົງຈອນກ່ອນຕິດຕັ້ງ ຫຼື ບໍລິການເຄື່ອງຄວບຄຸມອຸນຫະພູມສະເໝີ. ການບໍ່ເຮັດແນວນັ້ນອາດຈະເຮັດໃຫ້ເກີດໄຟຟ້າຊັອດ ຫຼື ຄວາມເສຍຫາຍຕໍ່ອຸປະກອນໄດ້.
- ການຕິດຕັ້ງຄວນໄດ້ຮັບການປະຕິບັດໂດຍນັກວິຊາການທີ່ມີຄຸນວຸດທິຖ້າທ່ານບໍ່ແນ່ໃຈກ່ຽວກັບສາຍໄຟຟ້າ.
- ຢ່າໃຊ້ເຄື່ອງຄວບຄຸມອຸນຫະພູມນີ້ກັບ voltages exceeding 30VAC.
- Ensure all wiring connections are secure to prevent short circuits.
- Keep the thermostat away from direct sunlight, drafts, and heat sources for accurate temperature readings.
3. ເນື້ອໃນຊຸດ
ກວດສອບວ່າຊຸດຂອງທ່ານມີລາຍການດັ່ງຕໍ່ໄປນີ້:
- Suuwer S721 Heat Pump Thermostat
- ຄູ່ມືການດໍາເນີນງານ (ເອກະສານນີ້)
- ຄູ່ມືການຕິດຕັ້ງ
- Two screws and anchors for mounting
- ປ້າຍກຳກັບສາຍ

Image: Contents of the Suuwer S721 Thermostat package.
4. ຜະລິດຕະພັນເກີນview
The Suuwer S721 thermostat features a clear digital display and intuitive controls for managing your home's climate.

ຮູບພາບ: ທາງຫນ້າ view of the Suuwer S721 Thermostat.
4.1. ຄຸນສົມບັດ
- 4.5 sq. inch large LCD display with blue backlight.
- Displays room temperature, set temperature, and current time simultaneously.
- Fan switch with ON and AUTO functions.
- Separate B & O terminals for heat pump changeover.
- Separate heating and cooling swing (cycle rate) adjustment.
- Air filter change indicator (selectable on or off).
- ຕົວຊີ້ວັດແບັດເຕີຣີຕໍ່າ.
- Room temperature calibration adjustment.
- 5-minute compressor delay protection (selectable on or off).
- Display options: Fahrenheit or Celsius temperature, 12 or 24-hour clock.
- ຊ່ອງໃສ່ຫມໍ້ໄຟທີ່ເຂົ້າເຖິງໄດ້ງ່າຍ.
4.2. ການຄວບຄຸມແລະການສະແດງ

Image: Thermostat controls and display features.
- ຈໍ LCD: Shows current room temperature, set temperature, time, and system status.
- ລູກສອນຂຶ້ນ/ລົງ: ປັບອຸນຫະພູມທີ່ກໍານົດໄວ້.
- ປຸ່ມເມນູ: Access advanced settings.
- Tech Set Button: Used for technical configuration settings.
- Set Time Button: ປັບເວລາປະຈຸບັນ.
- FAN Switch (ON/AUTO):
- ເປີດ: ພັດລົມແລ່ນຕໍ່ເນື່ອງ.
- ອັດຕະໂນມັດ: ພັດລົມເຮັດວຽກພຽງແຕ່ເມື່ອລະບົບຄວາມຮ້ອນ ຫຼື ລະບົບຄວາມເຢັນເປີດໃຊ້ງານເທົ່ານັ້ນ.
- SYSTEM Switch (COOL/OFF/HEAT/EMH):
- ເຢັນ: Thermostat controls cooling.
- ປິດ: ລະບົບປິດແລ້ວ.
- ຄວາມຮ້ອນ: Thermostat controls heating (heat pump).
- EMH (Emergency Heat): Activates auxiliary/emergency heat.
5. ຄວາມເຂົ້າກັນໄດ້
The Suuwer S721 thermostat is designed for specific HVAC systems. Please review the compatibility information carefully before installation.
5.1. ລະບົບທີ່ເຂົ້າກັນໄດ້
- Heat Pump systems (with auxiliary or emergency heat).
- Heat Pump systems (without auxiliary heat).
- Most 24V conventional single-stage systems (e.g., conventional forced air, central gas, oil, or electric furnaces) up to 2 heat and 1 cool.
5.2. Incompatible Systems
- 110-240V electric heat systems (e.g., electric baseboard heat, line voltage, convectors, radiant-ceiling heat).
- Conventional multi-stage ລະບົບ.
- Mini-split systems.
- 12V RV thermostats.

Image: Thermostat compatibility overview.
6. ການຕິດຕັ້ງແລະການຕິດຕັ້ງ
Careful installation is crucial for the proper functioning of your thermostat. If you are not comfortable with electrical wiring, consult a qualified HVAC technician.
6.1. ລາຍການກວດສອບການຕິດຕັ້ງກ່ອນ
- ປິດໄຟ: ຊອກຫາເບຣກເກີ ຫຼື ກ່ອງຟິວທີ່ຄວບຄຸມລະບົບຄວາມຮ້ອນ ແລະ ຄວາມເຢັນຂອງທ່ານ ແລະ ປິດໄຟ.
- ເອົາເຄື່ອງຄວບຄຸມອຸນຫະພູມເກົ່າອອກ: ເອົາຝາປິດເຄື່ອງຄວບຄຸມອຸນຫະພູມເກົ່າຂອງເຈົ້າອອກຢ່າງລະມັດລະວັງ.
- ປ້າຍກຳກັບສາຍ: Before disconnecting any wires, use the provided cable labels to clearly mark each wire according to its terminal designation (e.g., R, G, Y, C, O, B, E, W2). Take a picture of the existing wiring for reference.
- ຕັດການເຊື່ອມຕໍ່ສາຍ: ຕັດເຊື່ອມຕໍ່ສາຍໄຟຈາກເຄື່ອງຄວບຄຸມອຸນຫະພູມເກົ່າ.
- ເອົາແຜ່ນຍຶດຕິດ: ຖອດສະກູອອກ ແລະຖອດແຜ່ນຍຶດຂອງເຄື່ອງຄວບຄຸມອຸນຫະພູມເກົ່າອອກຈາກຝາ.
6.2. ສາຍໄຟ
The Suuwer S721 thermostat is compatible with both Heat Pump systems and Conventional systems. Refer to the wiring diagrams and terminal designations below.

Image: Terminal designation chart for wiring.
| ສະຖານີ | ຟັງຊັນ |
|---|---|
| RH | 24VAC Power (Heating) |
| G | Relay ພັດລົມ |
| Y | ທໍາອິດ Stage of Cooling / Heat Pump Compressor |
| C | 24VAC ທົ່ວໄປ |
| O | Changeover Valve Energized ໃນເຢັນ |
| B | Changeover Valve Energized ໃນຄວາມຮ້ອນ |
| E | Relay ຄວາມຮ້ອນສຸກເສີນ |
| W2 | ທີສອງ Stage of Heat / Auxiliary Heat |
ໝາຍເຫດ: The thermostat can be powered by 24VAC or 2 AAA batteries. A common wire (C-wire) is generally not required on most systems, but it is necessary for heat-only and cool-only systems.

Image: Detailed wiring diagrams for various system types.
6.3. ການຕິດຕັ້ງເຄື່ອງຄວບຄຸມອຸນຫະພູມ
- Pull the thermostat body away from the sub-base.
- Position the sub-base against the wall, ensuring wires pass through the opening.
- Mark the mounting holes. Drill pilot holes if necessary (typically 3/16 inch for drywall, 7/32 inch for plaster).
- ເອົາສະມໍພາດສະຕິກເຂົ້າໄປໃນຮູທີ່ເຈາະ.
- ຍຶດຖານຮອງໃຕ້ເຂົ້າກັບຝາໂດຍໃຊ້ສະກູທີ່ໃຫ້ມາ.
- Connect the labeled wires to the corresponding terminals on the sub-base.
- ວາງຕົວເຄື່ອງຄວບຄຸມອຸນຫະພູມໃຫ້ເຂົ້າກັບຖານຍ່ອຍ ແລ້ວຈັບມັນເຂົ້າໃສ່.
- Restore power to your heating/cooling system at the main fuse or circuit breaker panel.

Image: Thermostat mounting instructions.
7. ຄໍາແນະນໍາການດໍາເນີນງານ
Once installed and powered, your Suuwer S721 thermostat is ready for operation.
7.1. ການຕັ້ງເວລາປັດຈຸບັນ
- ກົດ ຕັ້ງເວລາ ປຸ່ມ.
- ໃຊ້ Up or ລົງ ລູກສອນເພື່ອປັບຊົ່ວໂມງ.
- ກົດ ຕັ້ງເວລາ ອີກເທື່ອໜຶ່ງເພື່ອຍ້າຍໄປເປັນນາທີ, ຈາກນັ້ນປັບດ້ວຍ Up or ລົງ.
- ກົດ ຕັ້ງເວລາ a third time to set the day of the week, then adjust with Up or ລົງ.
- ກົດ ເມນູ or wait a few seconds for the settings to save automatically.
7.2. ເລືອກໂໝດລະບົບ
ໃຊ້ ລະບົບ switch to select your desired operating mode:
- ເຢັນ: The system will cool your home to the set temperature.
- ປິດ: ລະບົບທຳຄວາມຮ້ອນ ແລະ ຄວາມເຢັນຖືກປິດໄວ້.
- ຄວາມຮ້ອນ: The system will heat your home to the set temperature using the heat pump.
- EMH (Emergency Heat): Activates the auxiliary/emergency heating source. Use this only when the heat pump is not functioning or during extreme cold.
7.3. Setting Fan Mode
ໃຊ້ ແຟນAN switch to select your desired fan operation:
- ອັດຕະໂນມັດ: ພັດລົມເຮັດວຽກພຽງແຕ່ເມື່ອລະບົບເຮັດຄວາມຮ້ອນຫຼືຄວາມເຢັນເຮັດວຽກຢ່າງຫ້າວຫັນ. ນີ້ແມ່ນການຕັ້ງຄ່າທີ່ມີປະສິດທິພາບດ້ານພະລັງງານຫຼາຍທີ່ສຸດ.
- ເປີດ: ພັດລົມເຮັດວຽກຢ່າງຕໍ່ເນື່ອງ, ໂດຍບໍ່ຄໍານຶງເຖິງວ່າລະບົບຄວາມຮ້ອນຫຼືຄວາມເຢັນຈະເຮັດວຽກ. ນີ້ສາມາດຊ່ວຍໃນການໄຫຼວຽນຂອງອາກາດ.
7.4. ການປັບອຸນຫະພູມ
In either COOL or HEAT mode, use the Up or ລົງ arrow buttons to increase or decrease the desired set temperature.
7.5. Advanced Settings (Menu)
ກົດ ເມນູ button to access advanced settings. Use the Up/ລົງ arrows to navigate and adjust values, and ເມນູ to confirm or move to the next setting.
- ການປັບອຸນຫະພູມ: Adjusts the displayed room temperature to match an external thermometer if needed.
- ການປົກປ້ອງຄວາມລ່າຊ້າຂອງເຄື່ອງບີບອັດ: Set to ON (default) to protect your compressor from short cycling. This introduces a 5-minute delay between cycles.
- ເຕືອນການປ່ຽນແປງການກັ່ນຕອງ: Set the operating hours (50-2000 hours) after which the thermostat will display a reminder to change your air filter.
- Heating/Cooling Swing (Cycle Rate): Adjusts the temperature differential before the system turns on/off (0.2°F to 2°F). A smaller swing results in more frequent, shorter cycles.
- ຈໍສະແດງຜົນ Fahrenheit/Celsius: ສະຫຼັບລະຫວ່າງ° F ແລະ° C.
- 12/24 ຊົ່ວໂມງ: Toggle between 12-hour (AM/PM) and 24-hour formats.
8. ບໍາລຸງຮັກສາ
8.1. ການທົດແທນຫມໍ້ໄຟ
The thermostat is dual-powered by 24VAC or 2 AAA batteries. When the low battery indicator appears on the display, replace the batteries promptly.
- Locate the easy-access battery compartment on the front bottom of the thermostat.
- ເປີດປະຕູຫ້ອງ.
- ເອົາແບັດ AAA ເກົ່າອອກ.
- ໃສ່ແບັດເຕີລີ AAA ໃໝ່ສອງອັນ, ຮັບປະກັນການຂົ້ວທີ່ຖືກຕ້ອງ (+/-).
- ປິດປະຕູຊ່ອງໃສ່ຫມໍ້ໄຟ.

ຮູບພາບ: ຊ່ອງໃສ່ແບັດເຕີຣີທີ່ມີແບັດເຕີຣີ.
8.2. ການເຮັດຄວາມສະອາດເຄື່ອງຄວບຄຸມອຸນຫະພູມ
ເພື່ອເຮັດຄວາມສະອາດເຄື່ອງຄວບຄຸມອຸນຫະພູມ, ໃຫ້ເຊັດດ້ານນອກຄ່ອຍໆ, ງamp ຜ້າ. ຢ່າໃຊ້ເຄື່ອງເຮັດຄວາມສະອາດຂັດຫຼືສານລະລາຍ, ເພາະວ່າສິ່ງເຫຼົ່ານີ້ສາມາດທໍາລາຍເຄື່ອງສໍາເລັດຮູບຫຼືອົງປະກອບພາຍໃນ.
9. ການແກ້ໄຂບັນຫາ
ຖ້າທ່ານພົບບັນຫາກັບເຄື່ອງຄວບຄຸມອຸນຫະພູມຂອງທ່ານ, ໃຫ້ອ້າງອີງເຖິງບັນຫາ ແລະວິທີແກ້ໄຂບັນຫາທົ່ວໄປຕໍ່ໄປນີ້:
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ບໍ່ມີຈໍສະແດງຜົນຫຼືຫນ້າຈໍເປົ່າ | No power, dead batteries, or tripped circuit breaker. | Check batteries and replace if necessary. Ensure power is on at the circuit breaker. Verify 24VAC wiring. |
| ລະບົບບໍ່ຕອບສະໜອງ (ບໍ່ມີການທຳຄວາມຮ້ອນ/ຄວາມເຢັນ) | Incorrect system mode, wiring error, or system fault. | Ensure SYSTEM switch is set to COOL or HEAT. Check wiring connections. Verify HVAC system is operational. |
| ອຸນຫະພູມບໍ່ຖືກຕ້ອງ | Thermostat location, calibration needed. | Relocate thermostat away from drafts/heat sources. Use the temperature calibration feature in advanced settings. |
| ພັດລົມເຮັດວຽກຢ່າງຕໍ່ເນື່ອງໃນໂໝດ AUTO | ຕັ້ງປຸ່ມພັດລົມເປັນເປີດ. | Ensure FAN switch is set to AUTO. |
| Compressor ວົງຈອນສັ້ນ | Compressor delay protection off, or incorrect swing setting. | Ensure compressor delay protection is ON in advanced settings. Adjust heating/cooling swing to a larger value. |
ຖ້າບັນຫາຍັງຄົງຢູ່ຫຼັງຈາກພະຍາຍາມແກ້ໄຂເຫຼົ່ານີ້, ກະລຸນາຕິດຕໍ່ຝ່າຍຊ່ວຍເຫຼືອລູກຄ້າ.
10. ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ລາຍລະອຽດ |
|---|---|
| ຊື່ຕົວແບບ | S721 Heat Pump Thermostat |
| ຂະໜາດສິນຄ້າ | 0.98"D x 4.72"W x 3.86"H |
| ປະເພດການຄວບຄຸມ | ປຸ່ມກົດ |
| ສີ | Off-white (Blue Backlight) |
| ການນໍາໃຊ້ສະເພາະ | Compatible with Heat Pump systems (with/without aux or emergency heat) |
| ປະເພດການຄວບຄຸມອຸນຫະພູມ | 2 Heating and 1 Cooling |
| ແຫຼ່ງພະລັງງານ | Battery Powered (2 AAA) or 24 Volts (AC) |
| ວັດສະດຸ | ພາດສະຕິກ |
| ປະເພດການສະແດງ | Digital LCD |
| ປະເພດການຕິດຕັ້ງ | ຕິດຝາ |
| ຊ່ວງສະແດງອຸນຫະພູມ | 41°F ຫາ 95°F |
| ໄລຍະການຄວບຄຸມອຸນຫະພູມ | 44°F ຫາ 90°F |
| ຄວາມຖືກຕ້ອງ | +/-1°F |
| Load Rating | 1 Amp ຕໍ່ terminal, 1.5 Amp ສູງສຸດທີ່ຕັ້ງທັງຫມົດລວມກັນ |
11. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
The Suuwer S721 Non-Programmable Heat Pump Thermostat comes with a ຮັບປະກັນ 2 ປີບໍ່ມີຄວາມກັງວົນ. For technical assistance, troubleshooting, or warranty claims, please contact Suuwer customer service. We are committed to providing 24-hour customer service to address your needs.
Before contacting support, please ensure you have reviewed this manual and attempted the troubleshooting steps.