Description
Panasonic / Daikin Rotary Compressor – Model 9KS205DAA21
This compressor is a fixed speed rotary HVAC compressor used in residential or light commercial air conditioning outdoor units — especially for R32 systems. It’s commonly found on Daikin and compatible brand outdoor units next to the condenser.
Key Characteristics
Type: Rotary compressor (fixed speed) — hermetic sealed design, common in many split system A/C units.
Brand / Origin: Panasonic industrial rotary series — often OEM supplied to Daikin and other brands.
Model: 9KS205DAA21 — part of Panasonic’s K series fixed speed R32 compressors.
Refrigerant: R32, a modern, higher efficiency and lower GWP refrigerant used in many newer A/C systems.
Voltage/Phase: 220–240 /V, single phase, 50 /Hz — standard residential HVAC electrical supply in Malaysia and similar regions.
Approx. Cooling Capacity: ~
19,500 /BTU/h (~1.6 /kW) — suitable for ~2.0 /HP (~2.0 /ton) residential A/C units.
Displacement: ~20.7 /cm³ (internal swept volume) — typical for this capacity class.
Efficiency: COP around ~3.7 and EER ~12.5 under standard test conditions — competitive for fixed speed rotary compressors.
Common Uses
Installed as the
compressor in outdoor units of split system air conditioners with ~2.0 /HP cooling capacity.
Works with
R32 refrigerant systems (more energy efficient and environmentally friendlier than older R22/R410A).
Often seen in
Daikin, Panasonic, and other compatible brands’ A/C systems that share this rotary compressor design
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