MLZ/MLM/LLZ scroll compressors

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Optimized refrigeration in a compact design

Danfoss MLZ and MLM scroll compressors for medium temperature and LLZ scroll compressors for low temperature applications are dedicated to commercial and light commercial refrigeration applications. Engineered for refrigeration, this family of compressors offers cooling capacity from 1 to 6 tons nominal capacity at common voltages and frequencies.

Thanks to their unique scroll design, MLZ, MLM, and LLZ scroll compressors deliver a number of powerful advantages. With their high-efficiency motor and optimized design, these compressors reduce energy costs, deliver high-capacity cooling, and ensure an optimized pressure ratio.

Brazed and rotolock connections are available for most compressors.


Refrigerant qualifications:

MLM compressors - R22

MLZ compressors - R22, R134a, R513A, R404A, R448A, R449A, R452A, R407A, R407F

LLZ – R404A, R448A, R449A, R452A

Features and benefits

Compact footprint saves space in system and reduces logistics costs

Scroll wrap optimized for refrigeration applications delivers high performance

Low-friction design minimizes noise and maximizes efficiency


  • Thermal fault protection
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Find datasheets for various MLZ and MLM compressor code numbers. 

Find LLZ datasheets


Type Name Language Valid for Updated Download File type
Brochure Brochure Scroll compressors for refrigeration MLZ LLZ series - GB English Multiple 19 Jan, 2015 764.8 KB .pdf
Brochure Brochure Scroll compressors for refrigeration MLZ LLZ series - US English Multiple 12 Feb, 2015 564.6 KB .pdf
Application guide Danfoss Scroll for Refrigeration MLZ Evolution A (with POE Oil) English Multiple 22 Sep, 2021 3.1 MB .pdf
Installation guide Instructions MLM/MLZ compressors English Multiple 08 Jan, 2015 582.2 KB .pdf
Installation guide Instructions MLM/MLZ compressors English; Chinese (CN) Multiple 23 Feb, 2022 1.2 MB .pdf
Catalog Spare parts and accessories Danfoss Commercial Compressors for hermetic reciprocating and scroll compressors (AC/HP & REF) English Multiple 18 May, 2023 2.1 MB .pdf


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Coolselector®2 features unbiased calculations for the selection of refrigeration and air conditioning components based on the user’s requirements or based on standard operating conditions.