Reciprocating compressor, Inverter, VTZ121AJNR1B
Reciprocating compressor, Inverter, VTZ121AJNR1B


Refrigerant: R134a; R404A; R407C, Segment usage: Air conditioning; Refrigeration LT; Refrigeration MT, Phase: 3

Product details

Gross weight 44.5 kg
Net weight 41 kg
EAN 5702428666077


Approval standard CE certified
UL certified when connected to frequency converter
Brand technique Reciprocating compressor
Capacity control Inverter
Colour Blue
Compressor power supply [V/Ph/Hz] 220-240/3/50-60
Configuration code Single
Connection type Rotolock
Cylinder 2
Description VTZ121-J
Diameter [mm] 288 mm
Discharge connection height [mm] 74 mm
Discharge connection mounting torque [Nm] 90 Nm
Discharge connection pipe size [in] 3/4 in
Discharge connection rotolock size [in] 1 1/4 in
Discharge connection size [in] 1 1/4 in
Discharge connection sleeve pipe size [in] 3/4 in
Drawing number 8502016a
Economizer No
Factory HP [bar] 25 bar
Factory LP [bar] 25 bar
Fitting remark (shipped with rotolock version only)
Fitting sleeve ODF
Fitting standard Rotolock
Frequency [Hz] 30 - 85
Gauge port HP None
Gauge port LP Schrader
Generation code A
Glass mounting Threaded
Glass torque [Nm] 50 Nm
GP LP torque [Nm] 15 Nm
High side max pressure (Ps) 29.4 bar
High Side TS Max 150 °C
High Side TS Min -35 °C
High Side Volume 0.6 L
High value of nominal voltage at 50Hz [V] 240 V
High value of nominal voltage at 60Hz [V] 240 V
High value of voltage range at 50Hz [V] 240 V
High value of voltage range at 60Hz [V] 240 V
IP protection class IP54 (with cable gland)
Low side max pressure (Ps) 22.6 bar
Low Side TS Max 50 °C
Low Side TS Min -35 °C
Low Side Volume 16.5 L
Low value of nominal voltage at 50Hz [V] 200 V
Low value of nominal voltage at 60Hz [V] 200 V
Low value of voltage range at 50Hz [V] 200 V
Low value of voltage range at 60Hz [V] 200 V
LRA 160 A
MMT 64.4 A
Model number VTZ121AJNR1B
Motor protection Motor protection by frequency converter
Mounting torque [Nm] 15 Nm
Nominal cooling capacity at 50Hz 1 kW
Nominal cooling capacity at 60Hz 14.4 kW
Number of starts per hour [Max] 12
Oil charge [L] 1.8 L
Oil equalization 3/8'' flare SAE
Oil equalization torque [Nm] 30 Nm
Oil reference 160PZ
Packaging height [mm] 455 mm
Packaging length [mm] 395 mm
Packaging width [mm] 365 mm
Packing format Single pack
Packing quantity 1
Phase 3
Power connections Screw 4.8mm
Refrigerant R134a
Refrigerant charge [kg] [Max] 5 kg
Relief valve 30 bar/8 bar
RLA 50 A
Rotational speed at 50Hz [rpm] 0 rpm
Rotational speed at 60Hz [rpm] 0 rpm
Segment usage Refrigeration MT
Shipped fittings Suction and discharge solder sleeves, rotolock nuts, and gaskets
Shipped instructions Installation instructions
Shipped mounting Mounting kit with grommets, bolts, nuts, sleeves and washers
Shipped oil Initial oil charge
Suction connection height [mm] 165 mm
Suction connection mounting torque [Nm] 110 Nm
Suction connection pipe size [in] 1 1/8 in
Suction connection rotolock size [in] 1 3/4 in
Suction connection size [in] 1 3/4 in
Suction connection sleeve pipe size [in] 1 1/8 in
Swept volume [cm3] 120.94 cm³
Technology Reciprocating
Test Dif [bar] [Max] 30 bar
Test HP [bar] [Max] 30 bar
Test LP [bar] [Max] 25 bar
Torque earth [Nm] 4 Nm
Torque power [Nm] 3 Nm
Total height [mm] 413 mm
Type VTZ
Type designation Compressor
Viscosity [cP] 32 cP
Winding resistance for three-phase compressors with identical windings [Ohm] 0.156 Ohm


Proposition 65
WARNING: Cancer and Reproductive Harm


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