1. Introduction and Overview
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Gree Multi21+ Tri-Zone Floor/Ceiling Mini Split Air Conditioner Heat Pump. This system is designed to provide heating and cooling for up to three separate zones, utilizing Gree's G10 inverter technology for energy efficiency and consistent temperature control. The indoor units offer flexible installation options, suitable for both floor-level mounting and ceiling suspension.

Image 1.1: Key features and certifications of the Gree Multi21+ system, including 5-year parts warranty, R410A refrigerant, heating & cooling capability, ETL listing, G10 Inverter Technology, AHRI certification, and Energy Star rating (except 42k model).
2. Коопсуздук маалыматы
Please read all safety warnings and instructions carefully before installing or operating this unit. Failure to follow these instructions may result in property damage, personal injury, or death. Keep this manual for future reference.
- Кесиптик орнотуу талап кылынат: Installation, maintenance, and repair of this equipment must be performed by a qualified, licensed HVAC technician. Improper installation can lead to electric shock, fire, water leakage, and void the product warranty.
- Электр коопсуздугу: Ensure the unit is properly grounded and connected to a dedicated power supply with appropriate circuit protection. Do not operate with wet hands.
- Муздаткычты иштетүү: This system uses R410A refrigerant. Only qualified personnel should handle refrigerant.
- Тазалоолор: Аба агымынын туура айланышы жана тейлөөгө жеткиликтүүлүк үчүн имараттын ичиндеги жана сыртындагы блоктордун айланасында жетиштүү боштуктарды сактаңыз.
- Сунуш 65 Эскертүү: Бул продукт сизди Калифорния штатында рак жана тубаса кемтиктер же башка репродуктивдик зыян келтирүүчү химиялык заттарга дуушар кылышы мүмкүн. Көбүрөөк маалымат алуу үчүн, төмөнкү дарекке өтүңүз www.P65Warnings.ca.gov.
3. Продукциянын компоненттери
Your Gree Multi21+ Tri-Zone system includes the following main components:
- Outdoor Condensing Unit: The primary unit responsible for heat exchange.
- Indoor Floor/Ceiling Units (x3): Distribute conditioned air within each zone.
- Алыстан башкаруу каражаттары: For operating each indoor unit.

Image 3.1: Gree Floor/Ceiling indoor unit shown with its wired and wireless remote controls.

Image 3.2: Gree Multi-Zone outdoor condensing unit, featuring the inverter technology.
4. Орнотуу жана орнотуу
Installation of this multi-zone mini-split system is complex and requires specialized tools and knowledge. It must be performed by a state-licensed HVAC contractor to ensure proper function, safety, and warranty eligibility.
- Сайт тандоо: Choose appropriate locations for the outdoor unit and each indoor unit, considering airflow, drainage, and structural support.
- Монтаждоо: Indoor units can be mounted low on a wall or suspended from the ceiling. Ensure secure fastening according to manufacturer guidelines.
- Line Set Connection: The system requires 1/4" x 3/8" line sets (x2) for refrigerant connections, which are not included and must be purchased separately.
- Электр зымдары: Proper electrical connections must be made by a qualified electrician, adhering to all local codes and regulations. The unit operates on 208/230V.
- Vacuum and Refrigerant Charging: The refrigerant lines must be evacuated to a deep vacuum before releasing refrigerant. This step is critical for system performance and longevity.
5. Иштөө нускамалары
Each indoor unit is controlled independently via its dedicated remote control. Refer to the specific remote control manual for detailed button functions and display indicators.
- Күйгүзүү/өчүрүү: Press the power button on the remote to turn the unit on or off.
- Режим тандоо: Select desired operating mode (Cool, Heat, Fan, Dry, Auto) using the mode button.
- Температураны жөндөө: Use the up/down arrows to set the desired temperature for each zone. The G10 inverter technology will maintain this temperature steadily.
- желдеткич ылдамдыгы: Керектүү түрдө желдеткич ылдамдыгын (Авто, Төмөн, Орто, Жогорку) тууралаңыз.
- Таймер функциясы: Аппаратты белгилүү бир убакта күйгүзүп же өчүрүү үчүн программалаңыз.
- Көп зоналуу башкаруу: Each indoor unit can be set to a different mode and temperature, allowing customized comfort in up to three zones.

Image 5.1: Illustration of the system's dual cooling and heating capabilities.

Сүрөт 5.2: Мисample of multi-zone temperature control within a floor plan, demonstrating independent temperature settings for different areas.
6. Техникалык тейлөө
Regular maintenance is crucial for the efficiency and longevity of your mini-split system. Always disconnect power before performing any maintenance.
- Аба чыпкасын тазалоо: Clean the indoor unit's air filters every 2-4 weeks, or more frequently depending on usage and air quality. Wash with mild detergent and water, then dry completely before reinstalling.
- Тышкы блокту тазалоо: Keep the outdoor unit free from debris, leaves, and obstructions. Periodically clean the outdoor coil with a soft brush or water spray.
- Дренажды текшерүү: Ensure the condensate drain lines are clear and free-flowing to prevent water leaks.
- Кесиптик текшерүү: Schedule annual professional maintenance with a licensed HVAC technician to check refrigerant levels, electrical connections, and overall system performance.
7. Кыйынчылыктарды
Кызматка кайрылуудан мурун, кайраview the following common issues and solutions. For complex problems, always consult a licensed HVAC technician.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Түзмөк күйбөйт | Электр кубаты жок, өчүргүч иштен чыкты, пульттун батарейкалары өлүп калды | Check power supply, reset breaker, replace remote batteries |
| Жетишсиз муздатуу/жылытуу | Кир аба чыпкалары, тыгылып калган сырткы блок, туура эмес режим жөндөлгөн, муздаткыч заттын аздыгы | Clean filters, clear obstructions, verify mode, contact technician for refrigerant check |
| Ички блоктон суунун агып чыгышы | Дренаж түтүгүнүн бүтөлүп калышы, туура эмес орнотуу | Дренаж түтүгүн тазалаңыз, текшерүү үчүн техникке кайрылыңыз |
| Адаттан тышкаркы ызы -чуу | Бош калган тетиктер, желдеткичтин бүтөлүшү, компрессордун көйгөйү | Inspect for loose parts, clear obstructions, contact technician |
8. Техникалык шарттар
Detailed technical specifications for the Gree Multi21+ Tri-Zone Floor/Ceiling Mini Split Air Conditioner Heat Pump, Model MULTI42CFLR303.
| Спецификация | Нарк |
|---|---|
| Бренд | GREE |
| Модел маалыматы | MULTI42CFLR303 |
| Кубаттуулугу | 11 800 BTU (3.5 тонна) |
| Муздатуу күчү | 42000 Британиянын жылуулук бирдиктери |
| Сезондук энергияны натыйжалуулук коэффициенти (SEER) | 21 |
| Тtage | 230 Volts (208/230V) |
| Муздаткыч | R 410A |
| Элемент Салмагы | 198 фунт |
| Продукциянын өлчөмдөрү | 17 x 42 x 43 дюйм |
| Орнотуу түрү | Бөлүнүү тутуму |
| Материалдын түрү | Болот |
| Өзгөчө өзгөчөлүк | Eco-friendly, Lightweight |

Image 8.1: Detailed specifications table for Gree Floor/Ceiling indoor units, including cooling/heating capacity, airflow, sound level, and dimensions.

Image 8.2: Measurement table for various BTU capacities of Gree Floor/Ceiling indoor and outdoor units.
9. Кепилдик маалыматы
Your Gree Multi21+ Tri-Zone system comes with a manufacturer's warranty:
- Бөлүктөргө кепилдик: 5 жыл
- Компрессор Кепилдиги: 7 жыл
Маанилүү эскертүү: To be eligible for this warranty, installation must be performed by a state-licensed HVAC contractor. Any issues arising from improper installation by an unlicensed individual may void the warranty.
10. Колдоо жана байланыш
For technical assistance, warranty claims, or service inquiries, please contact your installing HVAC contractor or the authorized Gree distributor from whom you purchased the unit. Ensure you have your model number (MULTI42CFLR303) and proof of purchase readily available.





