Danfoss Maneurop MTZ144-4 Hermetic Reciprocating Compressor – Three Phase
The Danfoss Maneurop MTZ144-4 is a fixed-speed, four-cylinder hermetic reciprocating compressor designed for medium-temperature commercial refrigeration. Operating on a three-phase supply, it features internal motor overload protection and Rotolock service connections.
Supplied with an initial oil charge, suction and discharge solder sleeves, Rotolock nuts and gaskets, and a mounting kit.
Technical Specifications
| Specification | Details |
|---|
| Model | MTZ144HV4AVE |
| Danfoss product code | MTZ144-4VI |
| Power supply – 50 Hz | 380–415 V / 3 phase |
| Power supply – 60 Hz | 460 V / 3 phase |
| Compressor type | Hermetic reciprocating |
| Capacity control | Fixed speed |
| Cylinders | 4 |
| Swept volume | 241.87 cm³ |
| Rotational speed – 50 Hz | 2,900 rpm |
| Suction pipe connection | 1-1/8" |
| Discharge pipe connection | 3/4" |
| Rotolock connections | 1-3/4" suction / 1-1/4" discharge |
| Oil reference / charge | 175PZ / 3.90 L |
| Maximum operating current | 30.5 A |
| Locked rotor current | 130 A |
| Dimensions | 540 mm high × 352 mm diameter |
| Net weight | 69 kg |
| Enclosure protection | IP54 with cable gland |
Danfoss-listed refrigerants: R134a, R404A, R407A, R407C, R407F, R448A, R449A, R452A and R513A. Selection must suit the refrigerant and operating conditions.
Manufacturer source: Danfoss – MTZ144-4VI / MTZ144HV4AVE
