Outdoor Unit Controller (Multi-V Inverter AC, ~3 HP)
(In stock)
| Product Name | Outdoor Unit Controller (Multi-V Inverter AC, ~3 HP) |
| Model Number | - |
| Brand | JDK Corporation (OEM HVAC control module supplier) |
| Category | HVAC Component — Outdoor Unit Electronic Controller |
| Country Origin | South Korea |
| Material | Housed in a rugged, weather-resistant ABS or polycarbonate enclosure/Features an internal control board with microcontroller or microprocessor, power electronics (relay or inverter driver), inputs/outputs, and possibly communication interfaces. |
| Applications | Designed for small-capacity, inverter-driven Multi-V systems (~3 HP outdoor units)/Controls compressor inverter drive, fan speed, and refrigerant flow (via EEV)/Manages unit startup/shutoff sequences, fault diagnostics, and communication with indoor units or centralized BMS. |
Multi-V (Variable Refrigerant Volume) systems—LG's VRF lines or similar—use outdoor unit controllers to dynamically regulate:
Compressor frequency for precise cooling/heating output
Outdoor fan operation to maintain condenser performance
Electronic expansion valve (EEV) adjustments for refrigerant flow
Continuous system diagnostics and coordination with indoor units or remote controllers
These components are crucial to achieving energy efficiency and system responsiveness in small- to medium-capacity VRF systems.
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