| Approval standard | CE
UL |
| 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 | 4 |
| Description | MTZ144-4 |
| Diameter [mm] | 352 mm |
| Discharge connection height [mm] | 125 mm |
| Discharge connection mounting torque [Nm] | 90 N-m |
| 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 | 8504011e |
| 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] | 50/60 |
| Gauge port HP | None |
| Gauge port LP | Schrader |
| Generation code | no |
| Glass mounting | Threaded |
| Glass torque [Nm] | 50 N-m |
| GP LP torque [Nm] | 15 N-m |
| High side max pressure (Ps) | 29.4 bar |
| High value of nominal voltage at 50Hz [V] | 400 V |
| High value of nominal voltage at 60Hz [V] | 460 V |
| High value of voltage range at 50Hz [V] | 460 V |
| High value of voltage range at 60Hz [V] | 506 V |
| IP protection class | IP54 (with cable gland) |
| Low side max pressure (Ps) | 22.6 bar |
| Low value of nominal voltage at 50Hz [V] | 380 V |
| Low value of nominal voltage at 60Hz [V] | 460 V |
| Low value of voltage range at 50Hz [V] | 340 V |
| Low value of voltage range at 60Hz [V] | 414 V |
| LRA | 130 A |
| MCC | 36 A |
| Model number | MTZ144HV4AVE |
| Motor protection | Internal overload protector |
| Mounting torque [Nm] | 50 N-m |
| Nominal cooling capacity at 50Hz | 18.5 kW |
| Nominal cooling capacity at 60Hz | 23.6 kW |
| Number of starts per hour [Max] | 12 |
| Oil charge [L] | 3.9 L |
| Oil equalization | 3/8'' flare SAE |
| Oil equalization torque [Nm] | 30 N-m |
| Oil reference | 175PZ |
| Packaging height [mm] | 650 mm |
| Packaging length [mm] | 1150 mm |
| Packaging weight [Kg] | 446 kg |
| Packaging width [mm] | 800 mm |
| Packing format | Industrial pack |
| Packing quantity | 6 |
| Phase | 3 |
| Power connections | Screw connectors 10-32 UNF x 9.5 |
| Product type | MTZ |
| Refrigerant | R134a
R404A
R407A
R407C
R407F
R507A
R448A
R449A
R452A
R513A |
| Refrigerant charge [kg] [Max] | 10 kg |
| Relief valve | 30 bar/8 bar |
| Rotational speed at 50Hz [rpm] | 2900 rpm |
| Rotational speed at 60Hz [rpm] | 3500 rpm |
| Segment usage | Air conditioning
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] | 233 mm |
| Suction connection mounting torque [Nm] | 110 N-m |
| 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] | 241.87 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 N-m |
| Torque power [Nm] | 3 N-m |
| Total height [mm] | 540 mm |
| Type designation | Compressor |
| Winding resistance for three-phase compressors with identical windings [Ohm] | 1.15 Ohm |
