1. ບົດແນະນຳ
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Gree Multi21+ Dual-Zone Concealed Duct Mini Split Air Conditioner Heat Pump system. Please read this manual thoroughly before installation and use, and retain it for future reference. This system is designed to provide both heating and cooling for two independent zones.
2. ຂໍ້ມູນຄວາມປອດໄພ
Adherence to safety precautions is crucial to prevent injury and property damage. Always follow local and national electrical and HVAC codes.
- ຕ້ອງມີການຕິດຕັ້ງແບບມືອາຊີບ: Installation, maintenance, and repair of this unit must be performed by a qualified, state-licensed HVAC contractor. Improper installation can lead to electric shock, fire, water leakage, or other hazards.
- ຄວາມປອດໄພທາງໄຟຟ້າ: Ensure the power supply matches the unit's specifications. Do not operate the unit with wet hands or near water. Disconnect power before any service or cleaning.
- ການຈັດການເຄື່ອງເຮັດຄວາມເຢັນ: This system uses R410A refrigerant. Only qualified personnel should handle refrigerant.
- ການເກັບກູ້: Maintain adequate clearance around the outdoor unit for proper airflow and service access.
- ເດັກນ້ອຍແລະສັດລ້ຽງ: Keep children and pets away from the outdoor unit and ensure indoor units are installed securely.
3. ຜະລິດຕະພັນເກີນview
The Gree Multi21+ Dual-Zone Concealed Duct Mini Split system consists of an outdoor condenser unit, two indoor concealed duct units, and two remote controllers. This configuration allows for independent temperature control in two separate areas.

ຮູບທີ 3.1: ເກີນview of the Gree Multi21+ Dual-Zone Mini Split system, showing the outdoor unit, two concealed indoor units, and two remote controls.

ຮູບທີ 3.2: A Gree concealed duct indoor unit, designed for installation above suspended ceilings or within open closet spaces.

ຮູບທີ 3.3: The Gree Multi21+ outdoor condenser unit, featuring the G10 inverter-driven compressor.
The system utilizes Gree's G10 inverter technology for energy efficiency and precise temperature control. The concealed duct indoor units deliver conditioned air through ducting to ceiling or wall grilles, offering discreet integration into your living or working space.

ຮູບທີ 3.4: Illustration of a dual-zone system providing independent temperature control in different areas of a building.
4. ການຕິດຕັ້ງແລະການຕິດຕັ້ງ
Installation of the Gree Multi21+ system requires specialized knowledge and tools. It must be performed by a state-licensed HVAC contractor to ensure proper function, safety, and warranty validity.
- ການເລືອກເວັບໄຊ: The outdoor unit should be placed on a stable, level surface with adequate clearance for airflow and maintenance. Indoor units are designed for concealed installation within ceiling or wall cavities.
- Line Sets: The system requires 1/4" x 1/2" line sets (two sets for this dual-zone configuration) to connect the indoor units to the outdoor unit. These are not included and must be purchased separately.
- ສາຍໄຟຟ້າ: All electrical connections must comply with local codes and be performed by a qualified electrician. The system operates on 208/230V.
- ທໍ່ນ້ຳ: Proper duct sizing and installation are critical for efficient air distribution from the concealed indoor units.
- ການລະບາຍນ້ໍາ condensate: Ensure proper drainage for condensate produced by the indoor units to prevent water damage.
5. ຄໍາແນະນໍາການດໍາເນີນງານ
Your Gree Multi21+ system provides efficient heating and cooling. Each indoor unit is controlled independently via its dedicated remote controller.
- ເປີດ/ປິດ: Use the 'On/Off' button on the remote to start or stop the unit.
- ການເລືອກໂໝດ: Select 'Cool' for air conditioning or 'Heat' for heating using the 'Mode' button. Other modes like 'Fan' or 'Dry' may also be available.
- ການປັບອຸນຫະພູມ: Use the temperature up/down buttons to set your desired temperature. The G10 inverter technology maintains steady room temperature by adjusting compressor speed.
- ຄວາມໄວພັດລົມ: Adjust the fan speed (Low, Medium, High, Auto) to control airflow and noise levels. The system is designed for quiet operation.
- ຟັງຊັນຈັບເວລາ: Program the unit to turn on or off at specific times using the 'Timer' function.

ຮູບທີ 5.1: Visual representation of the system's dual cooling and heating capabilities.
6. ບໍາລຸງຮັກສາ
Regular maintenance ensures optimal performance and longevity of your Gree Multi21+ system. Always disconnect power before performing any maintenance.
- ການເຮັດຄວາມສະອາດການກັ່ນຕອງອາກາດ: Periodically clean or replace the air filters in the indoor units. Dirty filters can reduce efficiency and airflow. Refer to your installer for access to concealed filters.
- ທໍາຄວາມສະອາດໜ່ວຍນອກ: Keep the outdoor coil free of dirt, leaves, and other debris. Ensure the area around the outdoor unit is clear.
- ການກວດກາແບບມືອາຊີບ: Schedule annual inspections and maintenance with a qualified HVAC technician. They can check refrigerant levels, electrical connections, and overall system health.
- Condensate Drain: Ensure the condensate drain line is clear and free of blockages.
7. ການແກ້ໄຂບັນຫາ
If your system is not operating correctly, consider the following basic troubleshooting steps. For complex issues, contact a qualified HVAC technician.
- ບໍ່ມີພະລັງງານ: Check the circuit breaker for the unit. Ensure the remote control batteries are not depleted.
- ຄວາມເຢັນ/ການທຳຄວາມຮ້ອນບໍ່ພຽງພໍ: Verify the thermostat setting is appropriate for the desired temperature. Check if air filters are clean. Ensure no obstructions are blocking the outdoor unit's airflow.
- ສິ່ງລົບກວນທີ່ຜິດປົກກະຕິ: Minor operational noises are normal. If you hear loud or unusual sounds, turn off the unit and contact a technician.
- ນ້ຳຮົ່ວ: If water is leaking from the indoor unit, turn off the system immediately and contact a technician. This could indicate a blocked condensate drain.
- ບັນຫາການຄວບຄຸມໄລຍະໄກ: Ensure there are no obstructions between the remote and the indoor unit. Replace batteries if necessary.
8. ຂໍ້ກໍານົດດ້ານວິຊາການ
Key specifications for the Gree Multi21+ Dual-Zone Concealed Duct Mini Split Air Conditioner Heat Pump, Model MULTI30CDUCT207.
| ຂໍ້ມູນຈໍາເພາະ | ມູນຄ່າ |
|---|---|
| ຍີ່ຫໍ້ | Gree |
| ໝາຍເລກຕົວແບບ | MULTI30CDUCT207 |
| ປະເພດລະບົບ | Multi21+ Dual-Zone Concealed Duct Mini Split |
| ຄວາມອາດສາມາດເຮັດຄວາມເຢັນ | 30,000 BTU |
| ຄວາມອາດສາມາດເຮັດຄວາມຮ້ອນ | ການທໍາງານຂອງປໍ້າຄວາມຮ້ອນ |
| SEER (ອັດຕາສ່ວນປະສິດທິພາບພະລັງງານຕາມລະດູການ) | 21 |
| ສະບັບtage | 208/230 ແຮງດັນ |
| ຕູ້ເຢັນ | R410A (Eco-friendly) |
| Compressor Technology | G10 Inverter |
| ປະເພດການຕິດຕັ້ງ | Split System, Concealed Duct |
| ປະເພດວັດສະດຸ | ເຫຼັກກ້າ |

ຮູບທີ 8.1: Dimensions for Gree DUCT-A indoor and outdoor units, including various BTU capacities.

ຮູບທີ 8.2: Key features and certifications including 5-year parts warranty, R410A refrigerant, heating & cooling, ETL Listed, G10 Inverter Technology, AHRI Certified, and Energy Star rating.
9. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
Gree provides a limited warranty for this product.
- ເງື່ອນໄຂການຮັບປະກັນ: The manufacturer's warranty includes 5 ປີໃນພາກສ່ວນ ແລະ 7 ປີ ສຳລັບເຄື່ອງອັດອາກາດ.
- Warranty Eligibility: To be eligible for warranty coverage, installation must be performed by a state-licensed HVAC contractor. Proof of professional installation may be required.
- ສະຫນັບສະຫນູນດ້ານວິຊາການ: For technical assistance, warranty claims, or service inquiries, please contact your installing HVAC contractor or refer to the official Gree webເວັບໄຊທ໌ສຳລັບຜູ້ໃຫ້ບໍລິການທີ່ໄດ້ຮັບອະນຸຍາດ.





