Panasonic Refrigeration Fixed Frequency 3–4HP Side Blowing Box-Type Integrated Unit (Low-Temperature Freezing Applications)

This integrated condensing unit with Panasonic fixed-frequency scroll compressors is engineered for low-temperature freezing environments, such as small cold storage facilities, compact freezers, and refrigerated cabinets in convenience stores. It features side-blowing airflow, integrated safety controls, and is optimized for evaporating temperatures as low as -45°C.

Applicable Cabinet Size:
Freezer cabinet 2–3 meters long, 0.9 m wide, 2 m high.

Key Features:

• Compressor Model:

  • 3HP: ZB26KQE

  • 4HP: ZB29KQE

• Nominal Power: 3HP / 4HP

• Power Supply: 3PH, 380V / 50Hz

• Refrigerant: R404A

• Evaporation Temp Range: -45°C to -5°C

• Ambient Temp Range: -15°C to +48°C

• Cooling Method: Electronic expansion valve, auxiliary liquid injection cooling

• Crankcase Heater: 35W, PTC

• Refrigeration Oil: FV32S or ester oil

  • Oil Capacity: 1.7 L (both models)

• Fan System:

  • 1 × 450mm axial fan

  • Fan Power: 180W

  • Heat Exchange Area: 34㎡ (3HP) / 46㎡ (4HP)

• Condenser:

  • Copper tube (9.52*0.32 mm) + Hydrophilic aluminum foil

  • L-type layout

• Piping Connection:

  • Liquid pipe: 1/2"

  • Suction pipe: 3/4"

• Electrical System:

  • Control board with Schneider LC1D series contactor

  • CHINT circuit breakers

  • RS485 communication

  • Fault code display

  • Phase loss & reversal protection

  • Exhaust temp protection

  • Fan speed control

• Standard Components:

  • Filter drier, sight glass, liquid receiver: ✔️

  • Oil separator, gas-liquid separator: ✖️

  • High/Low pressure gauge and switch: ✔️

  • High pressure protection: Saginomiya, auto-reset, 30 bar

• Unit Weight: 86 kg (3HP) / 88 kg (4HP)

• Operating Noise: 55 dB @1m

• Dimensions (L×W×H): 1058 × 450 × 830 mm

• Recommended Wiring: 4 mm²