1. Rhagymadrodd
Thank you for choosing the COSTWAY 36k Quad 4 Zone Mini Split Air Conditioner. This system provides efficient, multi-zone heating and cooling for various areas within your home. Featuring inverter technology, a 23 SEER2 rating, and R32 refrigerant, it offers energy-efficient operation. This manual provides essential information for safe installation, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your unit. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Gwybodaeth Diogelwch
Dilynwch y rhagofalon diogelwch canlynol bob amser i atal anaf neu ddifrod i'r uned:
- Gosodiad Proffesiynol Angenrheidiol: Installation, maintenance, and repair of this unit must be performed by a qualified HVAC professional. Improper installation can lead to electric shock, fire, water leakage, or other hazards.
- Diogelwch Trydanol: Ensure the power supply matches the unit's specifications (208-230V). Do not use extension cords. Always disconnect power before servicing or cleaning.
- Trin oergell: This unit uses R32 refrigerant. Handling of refrigerants must be done by certified personnel to prevent environmental harm and ensure safety.
- Clirio: Cadwch ddigon o gliriad o amgylch unedau dan do ac awyr agored ar gyfer llif aer priodol a gwasgaru gwres.
- Plant ac Anifeiliaid Anwes: Keep children and pets away from the unit, especially during operation and maintenance. Remote controls should be kept out of reach of children.
- Awyru: Do not block air inlets or outlets on the indoor or outdoor units.
- Deunyddiau fflamadwy: Peidiwch â gosod deunyddiau fflamadwy na chwistrellu aerosolau ger yr uned.
- Difrod Dŵr: Ensure proper drainage for the indoor units to prevent water overflow.
3. Cynnyrch Drosview
3.1 Cynnwys Pecyn
The COSTWAY 36k Quad 4 Zone Mini Split Air Conditioner package includes the following components:
- 1 x Uned Awyr Agored
- 4 x Indoor Units (7000 BTU, 7000 BTU, 9000 BTU, 24000 BTU)
- 4 x Gwifrau Cyfathrebu
- 4 x Copper Connection Pipes
- 4 x Drain Hoses
- 4 x Rheolyddion Anghysbell
- 4 x Platiau Mowntio
- 4 x Wall Sleeves
- 8 x Wall Caps
- 4 x Screw Kits
- 8 x Putties
- 8 x Tapes
- 5 x User Guides (one for the outdoor unit, one for each indoor unit)

Figure 3.1: Package Contents. This image illustrates the outdoor unit, four indoor units, remote controls, and various installation accessories such as pipes, wires, and mounting hardware.
3.2 Nodweddion Allweddol
- Multi-Zone Operation: Independently control the temperature in up to four different rooms with varying BTU capacities (7k+7k+9k+24k BTU).
- Effeithlonrwydd Uchel: Energy Star certified with a 23 SEER2 rating and 10 HSPF2 rating, utilizing R32 refrigerant for reduced environmental impact.
- Ystod Gweithredu Eang: The outdoor unit features a chassis heating function, allowing operation in extreme temperatures from -13°F to 125°F.
- Moddau Lluosog: Offers Auto, Cool, Heat, Dry, Fan, and Sleep modes to suit various comfort needs.
- Variable Fan Speeds: Choose from Auto, Low, Mid, High, and Strong fan speeds.
- Rheoli Clyfar: WiFi enabled for control via a smartphone app and includes a remote control. Features a 24-hour timer.
- Gweithrediad Tawel: Designed for low noise levels, especially in sleep mode.
- Cynnal a Chadw Hawdd: Removable and washable filters for simple cleaning.

Figure 3.2: Multiple Functions and Modes. This image highlights the various operational modes and fan speed settings available on the system, controlled via the included remote.

Figure 3.3: Smart Control via Smartphone. This image demonstrates the convenience of controlling the air conditioner remotely using a smartphone application.

Figure 3.4: Multi-Room Cooling Solution. This diagram illustrates how the quad-zone system can independently cool or heat different areas of a home.
4. Gosod a Gosod
Pwysig: Installation of this mini split system requires specialized tools and knowledge. It must be performed by a certified HVAC professional to ensure safety, proper function, and to maintain warranty validity.
4.1 Gwiriadau Cyn Gosod
- Verify that the power supply at the installation site is 208-230V, 60Hz, as required by the unit.
- Ensure the outdoor unit is placed on a stable, level surface with adequate clearance for airflow (refer to installation manual for specific distances).
- Select appropriate locations for the four indoor units, considering room size, airflow, and proximity to the outdoor unit for refrigerant line and electrical connections.
4.2 Camau Gosod (Drosoddview ar gyfer Proffesiynol)
- Mount indoor units using the provided mounting plates, ensuring they are level and secure.
- Drill wall holes for refrigerant lines, communication wires, and drain hoses.
- Cysylltwch bibellau oergell copr rhwng unedau dan do ac awyr agored. Sicrhewch fod y fflêr a'r torque priodol.
- Connect communication wires and power cables according to the wiring diagram in the detailed installation manual.
- Perfformiwch hwfro'r pibellau oergell i gael gwared ar aer a lleithder.
- Check for leaks in all connections.
- Open refrigerant service valves.
- Connect drain hoses to ensure proper condensate removal.
- Apply power to the system and perform initial test run.
5. Cyfarwyddiadau Gweithredu
Your COSTWAY mini split system can be controlled via the included remote controls or a smartphone app.
5.1 Gweithrediad Rheoli o Bell
Each indoor unit has a dedicated remote control. Point the remote directly at the indoor unit when operating.
- Pŵer ymlaen / i ffwrdd: Gwasgwch y YMLAEN / I FFWRDD botwm i gychwyn neu stopio'r uned.
- Dewis Modd: Gwasgwch y MODD button to cycle through Auto, Cool, Heat, Dry, and Fan modes.
- Addasiad Tymheredd: Defnyddiwch y TEMP I FYNY/I LAWR botymau i osod y tymheredd a ddymunir.
- Cyflymder Fan: Gwasgwch y FAN button to select Auto, Low, Mid, High, or Strong fan speeds.
- Modd Cwsg: Ysgogi CYSGU mode for quiet operation and optimized temperature settings during sleep.
- Swyddogaeth Amserydd: Defnyddiwch y AMSERYDD button to set a 24-hour on/off schedule.
- Swyddogaeth swing: Gwasgwch SWING to adjust the louver direction for optimal airflow distribution.
5.2 WiFi App Control
The system is WiFi enabled, allowing control from your smartphone. Download the COSTWAY Smart App from your device's app store.
- Sicrhewch fod eich ffôn clyfar wedi'i gysylltu â rhwydwaith WiFi 2.4GHz.
- Open the COSTWAY Smart App and follow the on-screen instructions to add your air conditioner units.
- Once connected, you can adjust settings, monitor performance, and set schedules from anywhere.

Figure 5.1: Smart Home Integration. The system is compatible with popular smart home platforms like Amazon Alexa and Google Home for voice control.
6. cynnal
Regular maintenance ensures efficient operation and extends the lifespan of your unit. Always disconnect power before performing any maintenance.
6.1 Indoor Unit Filter Cleaning
Glanhewch yr hidlwyr aer bob pythefnos neu'n amlach os defnyddir yr uned yn helaeth neu mewn amgylcheddau llwchog.
- Agorwch banel blaen yr uned dan do.
- Tynnwch yr hidlyddion aer.
- Golchwch y hidlwyr gyda dŵr llugoer a glanedydd ysgafn. Rinsiwch yn drylwyr.
- Allow filters to air dry completely before reinstalling. Do not expose to direct sunlight.
- Ail-osodwch yr hidlwyr sych a chau'r panel blaen.
6.2 Cynnal a Chadw Uned Awyr Agored
The outdoor unit should be inspected and cleaned periodically by a qualified technician, at least once a year.
- Keep the area around the outdoor unit clear of debris, leaves, and vegetation to ensure proper airflow.
- Clean the outdoor coil fins gently with a soft brush or vacuum cleaner. Avoid bending the fins.
- Check the condensate drain for blockages.
- Ensure electrical connections are secure and free from corrosion.
7. Datrys Problemau
Cyn cysylltu â chymorth cwsmeriaid, ail-view y problemau a'r atebion cyffredin canlynol:
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Nid yw'r uned yn troi ymlaen | Dim pŵer, batris y teclyn rheoli o bell wedi marw, torrwr cylched wedi tripio. | Gwiriwch y cyflenwad pŵer, ailosodwch y batris o bell, ailosodwch y torrwr cylched. |
| Oeri/gwresogi annigonol | Hidlwyr aer budr, uned awyr agored wedi'i blocio, gosodiad modd/tymheredd anghywir, oerydd isel. | Clean air filters, clear obstructions from outdoor unit, verify settings, contact professional for refrigerant check. |
| Gollyngiad dŵr o'r uned dan do | Pibell draenio wedi'i blocio, gosodiad amhriodol. | Check and clear drain hose, contact professional for inspection. |
| Sŵn anarferol | Rhannau rhydd, rhwystr ffan, sŵn llif oergell (normal). | Inspect for loose parts, clear obstructions, consult professional if noise is persistent or loud. |
| Problemau cysylltiad WiFi | Cyfrinair WiFi anghywir, problemau gyda'r llwybrydd, uned yn rhy bell o'r llwybrydd. | Verify WiFi credentials, restart router, ensure unit is within WiFi range. |
For issues not listed above or if problems persist, please contact COSTWAY customer support.
8. manylebau
| Nodwedd | Manylyn |
|---|---|
| Brand | COSTWAY |
| Rhif Model | B0F92HTK41 |
| Gallu Oeri | 36000 BTU (Quad Zone: 7k+7k+9k+24k BTU) |
| Sgôr SEER2 | 23 |
| Sgôr HSPF2 | 10 |
| Math o Oergell | R32 |
| Ffynhonnell Pwer | Trydan â Gwifren (208-230V) |
| Nodweddion Arbennig | WiFi Enabled, Inverter Technology, Chassis Heating |
| Lefel Sŵn | 40 Decibels (typical operation) |
| Dimensiynau'r Uned Awyr Agored (D x L x U) | 17.9" x 41.2" x 31.8" |
| Dull Rheoli | Ap, Rheolaeth o Bell |
| Dulliau Gweithredu | Auto, Cool, Heat, Dry, Fan, Sleep |
| Ardystiadau | Energy Star, ETL, AHRI |

Figure 8.1: Energy Efficiency and Certifications. This image highlights the system's high SEER2 rating, use of R32 refrigerant, and various industry certifications.

Figure 8.2: Zone Capacity Guide. This diagram helps in understanding the appropriate BTU distribution for different room sizes within a multi-zone setup.
9. Gwarant a Chefnogaeth
9.1 Gwarant Cynnyrch
The COSTWAY 36k Quad 4 Zone Mini Split Air Conditioner comes with a comprehensive warranty:
- Cywasgydd: Gwarant 7 mlynedd
- Rhannau: Gwarant 5 mlynedd
Please retain your proof of purchase for warranty claims. The warranty is subject to terms and conditions, including proper professional installation.
9.2 Cefnogaeth i Gwsmeriaid
For technical assistance, warranty inquiries, or any questions regarding your COSTWAY mini split system, please contact our customer support team:
- Cymorth Technegol Oes
- Cefnogaeth 24/7: Available via phone, email, or live chat.
Refer to the contact information provided in the separate user guides included in your package or visit the official COSTWAY website for current support details.

Figure 9.1: Extended Service and Support. This image outlines the warranty coverage and available customer support channels for the product.