Looking for a dependable mini split fan motor replacement? This guide highlights five compatible brushless DC motors that suit common Midea systems and similar minisplit setups. Each option is described for who benefits most, with practical pros and a noted caveat. The right choice depends on voltage, RPM, and connector compatibility. This overview helps technicians and informed buyers pick a motor that maintains airflow, efficiency, and long service life in compact cooling systems.
Summary table of selected products:
- Product: Air Conditioning Motor WZDK20-38G (ZKFP-20-8-6) — Best for 20W, CCW rotation, 1300 rpm, DC280V.
- Product: NEW Air Conditioning Motor WZDK30-38G (RD-310-30-8T) — Best for 30W, DC310V, CCW, 1300 rpm.
- Product: ZKFN-34-10-1 Air Conditioner Control Motor — Best for intelligent speed control and variable frequency use.
- Product: ZKFN-40-8-1L External Fan Motor — Best for outdoor mini split units requiring IPX4 protection.
- Product: ZKFP-20-8-113 — Best for 140V, 20W scenarios with compact 92×112 mm footprint.
Air Conditioning Motor WZDK20-38G (ZKFP-20-8-6) Replacement
Best for 20W inverter systems in Midea two-stage or single- unit configurations. This is a DC brushless motor rated at DC280V, 20W, 0.10A, with 1300 RPM and CCW rotation. The size is 92×111 mm with an 8 mm shaft. It is positioned as a direct OEM-style replacement for WZDK20-38G models.
Who should consider this: technicians replacing a 20W CCW, 1300 RPM brushless motor in indoor unit assemblies. Why: its voltage and current specs align with common Midea inverter indoor units.
Limitation: only listed for CCW rotation and specific WZDK-38G variants; confirm shaft length and mounting pattern before ordering.
NEW Air Conditioning Motor WZDK30-38G (RD-310-30-8T)
This motor is a 30W, DC310V brushless fan motor with 0.14A current, 1300 RPM, CCW rotation, and 92×129 mm overall size. It’s pitched as an OEM-style replacement for WZDK30-38G (RD-310-30-8T) models.
Best for: higher-wattage indoor-unit fans in Midea or similar inverter systems that require a robust, low-friction BLDC motor. Choose this if your system uses a 310V supply and a 1300 RPM drive profile.
Caution: verify shaft length and mounting holes (61 mm shaft length is listed) to ensure a proper fit with the existing fan housing.
ZKFN-34-10-1 Air Conditioner Control Motor
Best for external or condenser fans requiring intelligent speed control with a 3-wire connection and CW rotation. This DC310V, 34W motor is designed for variable-frequency air conditioners, enabling precise speed adjustments to balance cooling with energy efficiency.
Who benefits most: service technicians upgrading older external fans to obtain smarter speed control and better efficiency. Why: the module supports intelligent control for varying load profiles.
Limitation: data confirms CW rotation and a 3-wire connector; confirm your wiring scheme and rotation needs before ordering.
BLDC Motor ZKFN-40-8-1L for Outdoor Units
Best for outdoor mini split units or ductless systems needing IPX4 protection and a robust 800 rpm output. The motor offers DC310V, 40W with CCW rotation and 8P 3-Wire connector, designed for compatibility with many outdoor fan assemblies.
Who should consider this: outdoor-unit technicians replacing or upgrading external condenser fans for improved reliability. Why: IPX4 rating adds moisture resistance in exposed environments.
Limitation: the long list of compatible model codes may require cross-checking with your specific outdoor unit’s part number and connector type.
Air Conditioning Motor ZKFP-20-8-113
Best for 20W, CCW rotation with DC140V supply in Midea-oriented setups. The 92×112 mm form factor and 1600 RPM performance serve compact indoor fans that require a slightly higher speed than the 1300 RPM variants.
Who should consider this: technicians repairing indoor units that demand a higher RPM at a 140V DC supply. Why: it provides a compact, higher-speed alternative within the same family.
Caution: verify connector type and shaft dimensions (8 mm) to avoid misfit with your existing wiring and mounting.
Air Conditioning Motor 20W WZDK20-38G Replacement
Best for 20W WZDK20-38G configurations as a direct OEM-part replacement for the CCW motor. It emphasizes premium material durability and compatibility with the original design to avoid deformations.
Who should consider this: end users seeking a straightforward replacement that mirrors OEM build quality. Why: emphasis on material strength and fit for the 20W WZDK20-38G family.
Limitation: no explicit RPM range beyond 1300 listed in other variants; confirm exact speed requirements for your system.
JINQHTEK ZKFP-20-8-6 Outdoor Motor Variant
Best for central air and ductless configurations needing CCW rotation with 20W at DC280V, matching the earlier WZDK20-38G family. The listing emphasizes compatibility with WZDK20-38G OEMs and reliability in OEM-style replacements.
Who should consider this: technicians performing WZDK20-38G class upgrades or replacements. Why: aligns with the same voltage and power footprint as other 20W WZDK variants.
Limitation: ensure rotation direction and shaft details suit your specific indoor fan housing and mounting pattern.
XHSESA 20W WZDK20-38G Motor Replacement
Best for OEM-aligned replacements in the WZDK20-38G family, focusing on premium material and reliable performance. It is designed as a direct upgrade option that mirrors original build quality for Midea-compatible indoor units.
Who should consider this: service professionals replacing worn motors where OEM-like construction is prioritized. Why: emphasizes durability and accurate fit for the targeted model family.
Caution: detailed compatibility checks are advised to confirm mounting and connector compatibility with your existing harness.
Buying Guide: Mini Split Fan Motor Replacements
What should you check before buying a mini split fan motor?
- Voltage and current: Ensure your system’s DC supply matches motor voltage (commonly DC140V, DC280V, or DC310V) and current draw.
- Rotation direction: Confirm CCW or CW rotation to align with the fan blade orientation and rotor design.
- Power and RPM: Match wattage with the motor’s power rating and the required RPM to maintain airflow and efficiency.
- Physical footprint: Check dimensions (length, width, shaft diameter and length) to fit the existing fan housing and mounting holes.
- Connector and wiring: Verify the number of pins, 3-Wire or 5-Pin connectors, and wiring harness compatibility.
- IP rating and exposure: Outdoor or condenser fans may require IP ratings (IPX4) for moisture resistance.
Practical considerations for selection
- Best for reliability: choose motors with brushless DC design and proven OEM compatibility to minimize noise and wear.
- Better for energy efficiency: motors with intelligent speed control or variable frequency capabilities can adapt to load and reduce consumption.
- Choose this if you need an exact OEM match: OEM-part numbers like WZDK20-38G or ZKFP variants help ensure fit and function.
- Avoid this if: your unit uses a different voltage, rotation, or connector than the motor’s specs, which can cause misfit or failure.
Frequently Asked Questions
- What is the common voltage for these mini split motors? They vary; options include DC140V, DC280V, and DC310V. Confirm your unit’s supply before purchase.
- Do these motors require professional installation? In most cases, replacement involves electrical wiring and mounting alignment; consult a technician if unsure.
- Can I mix motor brands in a single mini split system? Mixing different motors can affect airflow balance and may not be compatible with the original control strategy.
- What is CCW vs CW rotation? CCW means the motor spins counter-clockwise; CW spins clockwise. Match rotation to the fan blade design and schematic.
- Are these motors protected against moisture? Some outdoor or condenser motors offer IP ratings (e.g., IPX4). Verify the environment where the motor will operate.
- How do I verify fit for my model? Compare model numbers (like WZDK20-38G or ZKFP-20-8-6), dimensions, shaft size, and connector type with your unit’s specs.