COMPRESSOR EMBRACO NEK6181GK R404A MBP 1.316BTU/h 1/3HP 50Hz 7,28cm3
ENGINEERING CODE
957MA51
COOLING CAPACITY
3754 Btu/h
EFFICIENCY
7.3 Btu/Wh
MOTOR TYPE
CSIR
STARTING TORQUE
HST
APPLICATION
MBP
General Data
| Type | Hermetic reciprocating |
| Technology Type | On-Off |
| Displacement | 7.28 cm³ |
| Compressor Cooling | Fan |
| Fan Air Flow | 520 m³/h |
| Expansion Device | Capillary Tube or Expansion Valve |
| Horse Power | 1/3 hp |
| Max Condensing Pressure Operating | 24.71 bar |
| Max Condensing Pressure Peak | 27.71 bar |
| Power Supply | 220-240 V 50 Hz |
| Evaporating Temperature Range | -20ºC to 10ºC |
Electrical Data
| Motor type | CSIR |
| Starting Torque | HST |
| Start Winding Resistance | 29.57 Ω at 25ºC |
| Run Winding Resistance | 7.96 Ω at 25ºC |
Mechanical Data
| Maximum Recommended Refrigerant Charge | 350 g |
| Oil Type Configuration | Polyolester |
| Oil Type Viscosity | ISO22 |
| Oil Charge | 350 ml |
| Pressurization | Dry air charge |
| Free Internal Volume | 2.1 L |
| Weight | 10.3 Kg |
Electrical Components
| Name | Description |
| Start Capacitor | 43-53 ?F / 330V |
| Starting Device | Current relay | MTRP-41-65 |
| Motor Protection | External 3/4″ T0874/G6 |
Wiring Diagram
Rated Points
| Condensing Temperature ºC |
Evaporating Temperature ºC |
Cooling Capacity Btu / h |
Power Consumption W |
Current A |
Gas Flow Rate kg/h |
Efficiency Btu / Wh |
| 54.4 | 7.2 | 3754 | 513 | 2.96 | 30.91 | 7.3 |
Test Condition: ASHRAE, Fan, Return Gas 35 ºC, Evaporation 7.2 ºC, Condensing 54.4 ºC, Ambient 35 ºC, Liquid 46.1 ºC. Data in accordance to ASHRAE guideline polynomial curve.
Performance Curve Data
| Evaporating Temperature ºC |
Cooling Capacity Btu / h |
Power Consumption W |
Current A |
Gas Flow Rate kg/h |
Efficiency Btu / Wh |
| -20 | 1819 | 291 | 2.13 | 11.54 | 6.24 |
| -15 | 2216 | 305 | 2.18 | 14.16 | 7.27 |
| -10 | 2710 | 324 | 2.25 | 17.42 | 8.36 |
| -5 | 3302 | 346 | 2.33 | 21.37 | 9.55 |
| 0 | 3991 | 371 | 2.43 | 26.05 | 10.75 |
| 5 | 4777 | 399 | 2.54 | 31.50 | 11.94 |
| 10 | 5661 | 430 | 2.67 | 37.78 | 13.17 |
Test Condition: ASHRAE, Fan, MBP. Data in accordance to ASHRAE guideline polynomial curve.
Operating Envelope
External Characteristics
| Base Plate | European | ||
| Tray Holder | No | ||
| Height | 188 mm | ||
| Connector | Internal Diameter | Shape | |
| Suction | 8.1 mm | Slanted 42? | |
| Discharge | 6.1 mm | Straight | |
| Process | 6.1 mm | Slanted 42? |
External Dimensions



