Reciprocating piston

Danfoss compressor without FC VTZ 121 AGNR1A 400V 120B0004

Order No.: 104.2128
Manufacturer number: 120B0004
Manufacturer: Danfoss

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Description

VTZ Frequency-regulated piston compressor with CD frequency converter
The VTZ compressor is a fully hermetic piston compressor approved for fully variable power regulation using the CD frequency converter.

Scope of delivery
- VTZ compressor with polyol filling (refrigeration oil type 160 PZ),
- ...

VTZ Frequency-regulated piston compressor with CD frequency converter
The VTZ compressor is a fully hermetic piston compressor approved for fully variable power regulation using the CD frequency converter.

Scope of delivery
- VTZ compressor with polyol filling (refrigeration oil type 160 PZ),
- Mounting set,
- Rotalock connections, incl. solder connectors,
- Inspection glass (screw version),
- Oil overflow connection (10 mm flange).

Scope of delivery
- CD frequency converter adapted for use with VTZ, (must be ordered separately)
- RFI class H1
- Includes integrated LCP operator display
- Available in 2 protective classes: IP 20 / IP 21 or IP 55

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Features

Special properties of the compressor
• The same dimensions and connections as MTZ compressors
• Use of an oil level regulator makes it an excellent option for multi-compressor systems
• Frequency regulation from 30 to 90 Hz

Special features of the frequency converter
• Compact ...

Special properties of the compressor
• The same dimensions and connections as MTZ compressors
• Use of an oil level regulator makes it an excellent option for multi-compressor systems
• Frequency regulation from 30 to 90 Hz

Special features of the frequency converter
• Compact design
• Available in 2 protective classes - IP20 for electrical cabinets and IP55 for external mounting
• Detachable operator display
• External or internal control via 0-10 V or 4-20 mA
• Simple menus (plug and play)

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Scope of delivery

  • Verdichter VTZ mit Polyolesterfüllung (Kältemaschinenöl Typ 160 PZ),
  • Befestigungssatz,
  • Rotalockanschlüsse, inkl. Lötstutzen,
  • Schauglas (geschraubte Ausführung),
  • Ölüberlaufanschluss (10 mm Bördel)
  • Frequenzumrichter CD auf VTZ abgestimmt, (muss separat bestellt werden)
  • RFI Klasse ...
  • Verdichter VTZ mit Polyolesterfüllung (Kältemaschinenöl Typ 160 PZ),
  • Befestigungssatz,
  • Rotalockanschlüsse, inkl. Lötstutzen,
  • Schauglas (geschraubte Ausführung),
  • Ölüberlaufanschluss (10 mm Bördel)
  • Frequenzumrichter CD auf VTZ abgestimmt, (muss separat bestellt werden)
  • RFI Klasse H1
  • Inklusive integriertem Bediendisplay LCP
  • In 2 Schutzarten verfügbar: IP 20 bzw. IP 21 oder IP 55

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Accessories / Replacement parts

  • Crankcase heater
    Danfoss oil sump heater 230V 65W f.SZ/SM084-160, LFZ / MFZ166 7773107
    Order No.: 107.1648
  • Heating cartridge
    Danfoss oil sump heater 230V 35W PTC f.MT/E/Z18-160, LT/E/Z22-10
    Order No.: 107.2603
  • Intake shut-off valve
    Danfoss rotalock valve press.gau.conn.right/byp.conn.left 1-3/4''x22mm + 7/8'' solder V07 8168032
    Order No.: 107.1722
  • Refrigerator oil
    Danfoss refrigeration oil can 1L 175 PZ
    Order No.: 531.0720
  • Danfoss refrigeration oil can 2,5L 175 PZ
    Order No.: 531.0721
  • Seal, delivery side
    Rotalock seal 1-1/4'' Teflon 8156131
    Order No.: 107.1802
  • Seal, intake side
    Rotalock seal 1-3/4'' Teflon 8156132
    Order No.: 107.1803
  • Shut-off valve
    Danfoss rotalock valve press.gau.conn.right/byp.conn.left 1-1/4''x18mm solder V04 8168029
    Order No.: 107.1613
  • 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
    Order No.: 107.6868
  • Vibration damper
    Danfoss mounting kit for MT/E/Z 18-81 8156001
    Order No.: 107.1741

Technical data

General information
Number of cylinders
2 pcs
Type
vollhermetisch
Refrigerant
R134a
 
R404A
 
R507A
 
R407A
 
R407C
 
R407F
Type
VTZ121AGNR1A
Compression type
Hubkolben
Electrical Data
Supply voltage
400/3/50 V/Ph/Hz
Weight
Weight net
42,0 kg
Performance data
Flow volume
21,04 m³/h
Bei 50 Hz
min. Drehzahl bei 30 Hz=
12,34 m³/h
max. Drehzahl bei 90 Hz=
36,28 m³/h
Displacement volume
120,94 cm³
Pipe connections
Pressure line
1 1/4"-12UNF/3/4
 
Suction line
1 3/4"-12UNF/7/8
 
Sound data
Sound pressure level
60 dB(A)
in 1 m (mit Schalldämmhaube)
 
66,7 dB(A)
in 1 m (ohne Schalldämmhaube)
Volume
Oil charge
175PZ
Oil quantity
1,8 l

Note

  1. LPA = noise level at 1 m distance (ISO 3743)

Data for direct mains operation only (without FC)

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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