Danfoss MLZ scroll compressor (medium temperature)

Danfoss MLZ hermetic scroll compressor for medium temperature refrigeration: cold rooms, display cases and condensing units. Three models from 3 to 5 HP, 4.7 to 8.4 kW with R404A, in 230 V single-phase or 400 V three-phase. Choose your model below to see its specifications.

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Description

Danfoss MLZ hermetic scroll compressors are designed for medium temperature refrigeration: cold rooms, display cases, condensing units and small racks. They run on today’s refrigerants, including low-GWP HFO blends, with POE oil. Three models, from 3 to 5 HP, cover 4.7 to 8.4 kW with R404A, in 230 V single-phase or 400 V three-phase.

The three MLZ models

Model Danfoss ref. HP Supply R404A R448A R134a Power input Swept volume Suction / discharge Weight
MLZ021 121L8635 3 230 V 1-ph 4.7 kW 4.4 kW 2.7 kW 2.27 kW 46.2 cm³ 3/4 / 1/2 in 31 kg
MLZ030 121L8641 4 400 V 3-ph 7.1 kW 6.6 kW 4.0 kW 3.35 kW 68.8 cm³ 7/8 / 1/2 in 37 kg
MLZ038 121L8646 5 230 V 1-ph 8.4 kW 7.8 kW 4.7 kW 3.86 kW 81.0 cm³ 7/8 / 1/2 in 37 kg

Danfoss capacities at EN 12900 conditions: evaporating −10 °C, condensing 45 °C, return gas 20 °C, no subcooling (R134a: 10 K superheat). Danfoss publishes these values for the 400 V three-phase motor. HP = Danfoss nominal horsepower.

Key benefits

  • Scroll technology: continuous compression with few moving parts, for smooth and quiet operation.
  • Refrigerants: R404A, R507, R134a, R407A, R407F, R448A, R449A, R452A and R513A.
  • Solder connections on suction and discharge; factory-charged 215PZ POE oil.
  • Proven: it is the compressor of the Danfoss Optyma Slim Pack medium temperature units.

See also our LLZ (low temperature) scroll compressors and our Performer SZ (air conditioning and chillers) scroll compressors.

Afric Froid, your Danfoss supplier

Afric Froid supplies Danfoss MLZ scroll compressors, installs them and provides after-sales service in Tunisia, Algeria, Senegal and Ivory Coast. Tell us the refrigerant, capacity, temperatures and available voltage: we will choose the right model and send you a quote.

Additional information
ModelMLZ021 – 4.7 kW (R404A) – 3 HP – 230 V 1-ph, MLZ030 – 7.1 kW (R404A) – 4 HP – 400 V 3-ph, MLZ038 – 8.4 kW (R404A) – 5 HP – 230 V 1-ph
Documentation

Official Danfoss document for MLZ compressors, always in its latest version: