Reciprocating compressor, NTZ136A4LR1B


Refrigerant: R404A; R452A, Segment usage: Refrigeration LT, Compressor power supply [V/Ph/Hz]: 400/3/50 460/3/60

There is a newer improved version of this product that Danfoss recommends that you investigate.

Product details

Gross weight 37.42 kg
Net weight 34.93 kg
EAN 5702428521161


Approval standard CE
Brand technique Reciprocating compressor
Capacity control Fixed speed
Colour Blue
Compressor power supply [V/Ph/Hz] 400/3/50 460/3/60
Configuration code Single
Connection type Rotolock
Cylinder 2
Description NTZ136-4B
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 8502012g
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] 50
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) 28.5 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] 400 V
High value of voltage range at 50Hz [V] 440 V
IP protection class IP55 (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] 380 V
Low value of voltage range at 50Hz [V] 340 V
LRA 51 A
MCC 14.3 A
Model Number NTZ136A4LR1B
Motor protection Internal overload protector
Mounting torque [Nm] 15 Nm
Network power supply [V/Ph/Hz] 380-415/3/50 460/3/60
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 175PZ
Packaging height [mm] 450 mm
Packaging length [mm] 385 mm
Packaging width [mm] 375 mm
Packing format Single pack
Packing quantity 1
Phase 3
Power connections Spade
Refrigerant R404A
Refrigerant charge [kg] [Max] 5 kg
Relief valve 30 bar/8 bar
Rotational speed at 50Hz [rpm] 2900 rpm
Segment usage Refrigeration LT
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] 265 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] 136 cm³
Technology Reciprocating
Test dif [bar] [Max] 30 bar
Test HP [bar] [Max] 30 bar
Test LP [bar] [Max] 25 bar
Torque earth [Nm] 3 Nm
Torque power [Nm] 3 Nm
Total height [mm] 413 mm
Type NTZ
Type designation Compressor
Winding resistance for three-phase compressors with identical windings [Ohm] 3.8 Ohm


Spare Parts






Software and firmware to extend functionality