Description
The RD-310-30-8 (specifically variants like the RD-310-30-8D, RD-310-30-8E-2, and RD-310-30-8A) is an original equipment manufacturer (OEM) high-efficiency, resin-packed Brushless DC (BLDC) Indoor Blower Motor.This specialized motor is mounted inside the indoor high-wall evaporator unit of modern variable-frequency (inverter) split air conditioners. Enclosed in a sealed, molded resin housing to dampen noise and protect the internal circuitry from moisture, it drives the indoor cross-flow blower wheel. By utilizing direct current rather than alternating current, it delivers ultra-quiet operation, variable multi-speed control, and low power consumption.Technical SpecificationsModel Series: RD-310-30-8 / WZDK30-38GOperating Voltage: $DC310V$ (High-voltage DC power supply)Power Output: $30W$Rated Current: $0.14Atext{ to }0.16A$Rated Speed: Approximately $1300text{ to }1400text{ r/min}$ (RPM)Rotation Direction: Counter-Clockwise (CCW) or Clockwise (CW) depending on the specific alphanumeric suffix (e.g., -8E-2 vs -8A)Harness Interface: Typically a 5-wire or 6-wire integrated control plug (Power, Ground, Vcc, Vsp speed control, and FG feedback signal)Compatible Brands & SystemsThis motor is manufactured as a universal interchange part for major global appliance brands. It is primarily used in $9,000text{ to }18,000text{ BTU}$ ($1.0text{ to }1.5text{ Ton}$) inverter mini-split systems.1. Direct Part Number InterchangesIf your old indoor blower motor features any of the following part codes or part numbers on its label, this motor is a compatible substitute:LG OEM Codes: EAU62983004, EAU62983001, EAU62983002, and 4681A20091KCross-Reference Codes: WZDK30-38G, WZDK30-38G-W, and RD-310-30-8TAlternative Manufacturer Codes: SIC-37CVJ-F130-3 and SIC-37CVL-F130-62. Supported Air Conditioner BrandsThis motor framework is widely found in the indoor wall units of:LG (Particularly the Dual Inverter and Inverter V series)Carrier * PanasonicMideaHitachiCrucial Installation Checklist: Before completing a replacement, confirm that the shaft length/diameter matches your original motor precisely so it safely locks into your blower wheel. Additionally, double-check that the rotation direction arrow printed on your failed motor matches the new replacement unit.
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