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Reciprocating piston

Danfoss compressor MTZ44-4VI 400V

Danfoss compressor MTZ44-4VI 400V
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Order No.: 107.2124
Manufacturer number: MTZ44-4VI
Manufacturer: Danfoss

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Description

The Danfoss piston compressor range includes small compressors with low cooling power through to large tandem compressors for commercial refrigeration systems or industrial applications.
Special variants, such as compressors for special voltages, are also available. Danfoss piston compressors ...

The Danfoss piston compressor range includes small compressors with low cooling power through to large tandem compressors for commercial refrigeration systems or industrial applications.
Special variants, such as compressors for special voltages, are also available. Danfoss piston compressors are available for all common HFC and CFC refrigerants.
They are widely used in many small and commercial refrigeration systems. Danfoss piston compressors (black finish) are normally optimised for a specific refrigerant, and further adapted for large or small amounts of evaporation.
Danfoss MTZ piston compressors (blue finish) can be universally used with refrigerants R407C, R407F, R134a, R404A and R507A. MT compressors remain available for use with existing R22 systems. These two series consist of single compressors with Rotolock connections or factory-assembled tandem units for especially high performance.

Danfoss piston compressors can be operated together as standard. The new NTZ compressors have been specially developed for low temperature applications. These can be used with refrigerants R404A and R507A and stand out for their excellent COP value as well as their wide range of possible low temperature applications. MTZ, MT and NTZ compressors use 100% intake gas cooling.

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Features

  • Zuverlässig, effizient und vielseitig
  • Mehrere Kältemittel A1/A2L in einem einzigen Scroll- oder Kolbenkompressor
  • Vielfältige Anwendungen
  • Großer Betriebsbereich, reduzierte Tc min 10°C
  • Interner Motorschutz

Accessories / Replacement parts

  • Cartridge heating
    Danfoss oil sump heater 230V 35W PTC f.MT/E/Z18-160, LT/E/Z22-10
    Danfoss oil sump heater 230V 35W PTC f.MT/E/Z18-160, LT/E/Z22-10
    Order No.: 107.2603
  • Mounting set
    Danfoss mounting kit for MT/E/Z 18-81 8156001
    Danfoss mounting kit for MT/E/Z 18-81 8156001
    Order No.: 107.1741
  • Refrigerator oil
    Danfoss refrigeration oil can 1L 175 PZ
    Danfoss refrigeration oil can 1L 175 PZ
    Order No.: 531.0720
  • Danfoss refrigeration oil can 2,5L 175 PZ
    Danfoss refrigeration oil can 2,5L 175 PZ
    Order No.: 531.0721
  • Ribbon heater
    Danfoss oil sump heater 230V 65W f.SZ/SM084-160, LFZ / MFZ166 7773107
    Danfoss oil sump heater 230V 65W f.SZ/SM084-160, LFZ / MFZ166 7773107
    Order No.: 107.1648
  • Seal for valve on delivery side
    Rotalock seal 1-1/4'' Teflon 8156131
    Rotalock seal 1-1/4'' Teflon 8156131
    Order No.: 107.1802
  • Seal for valve on intake side
    Rotalock seal 1-3/4'' Teflon 8156132
    Rotalock seal 1-3/4'' Teflon 8156132
    Order No.: 107.1803
  • Shut-off valve on delivery side
    Danfoss rotalock valve press.gau.conn.right/byp.conn.left 1-1/4''x18mm solder V04 8168029
    Danfoss rotalock valve press.gau.conn.right/byp.conn.left 1-1/4''x18mm solder V04 8168029
    Order No.: 107.1613
  • Shut-off valve on intake side
    Danfoss rotalock valve press.gau.conn.right/byp.conn.left 1-3/4''x22mm + 7/8'' solder V07 8168032
    Danfoss rotalock valve press.gau.conn.right/byp.conn.left 1-3/4''x22mm + 7/8'' solder V07 8168032
    Order No.: 107.1722
  • Shut-off valve
    Danfoss rotalock valve press.gau.conn.right/byp.conn.left 1 1/4'' X 3/4'' solder 16003903
    Danfoss rotalock valve press.gau.conn.right/byp.conn.left 1 1/4'' X 3/4'' solder 16003903
    Order No.: 107.1711
  • Sight glass with seal
    Danfoss oil sight glass compl. MT/E/Z18-81 1-1/8''-18UNEF 8156019
    Danfoss oil sight glass compl. MT/E/Z18-81 1-1/8''-18UNEF 8156019
    Order No.: 107.6868
  • Sound insulation hood
    Danfoss sound insulation hood KCS2 f.MT44-81/NTZ96-136 120Z0576
    Danfoss sound insulation hood KCS2 f.MT44-81/NTZ96-136 120Z0576
    Order No.: 107.1669

Technical data

General information
Number of cylinders
2 pcs
Type
vollhermetisch
Expansion
C/V
see explanation 2
Refrigerant
R134a
 
R513A
 
R404A/R507A
 
R448A/R449A
 
R452A
 
R454C
 
R455A
Soft start
MCI 15 C
Type
MTZ44-4VI
Compression type
Hubkolben
Electrical Data
Supply voltage
400/3/50 V/Ph/Hz
max. operating current
9,5 A
Weight
Weight net
35,00 kg
Performance data
Flow volume
13,26 m³/h
Displacement volume
76,20 cm³
Pipe connections
Pressure line
1 1/4"-12UNF/ 3/4"
see explanation 1
Suction line
1 3/4"-12UNF/ 7/8"
see explanation 1
Sound data
Sound pressure level
61,9 dB(A)
in 1 m (mit Schalldämmhaube)
 
58,2 dB(A)
in 1 m (ohne Schalldämmhaube)
Sound power level
80,0 dB(A)
ohne Schalldämmhaube
Compressor data
Compressor cooling
SG
SG = suction-gas cooled
Volume
Oil charge
175PZ
Oil quantity
1,80 l

Notes

  1. L= solder nozzles
  2. LPA= noise level at 1 m distance (ISO 3743)
  3. For 230 V/1/50 Hz compressors, alternating current equipment must be ordered separately
Technical modifications reserved. Product images may differ from the actual product and are meant for demonstration purposes only. Absolutely no liability can be assumed for possible indication errors and errors in the manufacturers’ information.

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