A2-4SK3
Title
2-cylinder semi-hermetic compressor with built-in electric motor, direct on line starting (DOL) and thermal protection probes (PTC) connected to the electronic control module
Standard
•∆ = 50Hz/220-240V/3Ph (60Hz/265-290V/3Ph)
• Y = 50Hz/380-420V/3Ph (60Hz/440-480V/3Ph)
- Electronic control module INT69 for monitoring, protection, diagnosys and communication
- Safety relief valve for maximum static pressure PSS
- Suction and discharge valves
- Electrical connections box IP56
- POE85 oil charge
- Removable oil sight glass suitable for installation of oil management system
- Rubber dampers kit
- Nitrogen charge (2bar min)
- Packaging for transport, handling and storage
Opzione
- Electric motors for various voltage supply values
- Electric oil heater
- PAG68 oil charge
2-cylinder semi-hermetic compressor with built-in electric motor, direct on line starting (DOL) and thermal protection probes (PTC) connected to the electronic control module
Standard
•∆ = 50Hz/220-240V/3Ph (60Hz/265-290V/3Ph)
• Y = 50Hz/380-420V/3Ph (60Hz/440-480V/3Ph)
- Electronic control module INT69 for monitoring, protection, diagnosys and communication
- Safety relief valve for maximum static pressure PSS
- Suction and discharge valves
- Electrical connections box IP56
- POE85 oil charge
- Removable oil sight glass suitable for installation of oil management system
- Rubber dampers kit
- Nitrogen charge (2bar min)
- Packaging for transport, handling and storage
Opzione
- Electric motors for various voltage supply values
- Electric oil heater
- PAG68 oil charge
| SI | IP | |
| Cylinders | 2 # | 2 # |
| Displacement @ 50 Hz | 3.95 m3/h [50Hz] | 140 CFH [50Hz] |
| Displacement @ 60 Hz | 4.74 m3/h [60Hz] | 167 CFH [60Hz] |
| Nominal Motor power | 1.5 kW | 1.5 kW |
| Motor voltage at 50 Hz [1] | 220-240V - 380-420V/3/50Hz DOL V/ph/Hz | 220-240V - 380-420V/3/50Hz DOL V/ph/Hz |
| Motor voltage at 60 Hz [1] | 265-290V - 440-480V/3/60Hz DOL V/ph/Hz | 265-290V - 440-480V/3/60Hz DOL V/ph/Hz |
| Bridges for DOL start | Standard | Standard |
| MRA, max operating current at 230V/50Hz and 280V/60Hz | 9.5 A | 9.5 A |
| MRA, max operating current at 400V/50Hz and 460V/60Hz | 5.5 A | 5.5 A |
| LRA, max starting current at 230V/50Hz and 280V/60Hz, DOL motor | 40.2 A | 40.2 A |
| LRA, max starting current at 400V/50Hz and 460V/60Hz, PWS motor-DOL connection | 23.2 A | 23.2 A |
| Frequency min | 30 Hz | 30 Hz |
| Frequency max [2] | 70 Hz | 70 Hz |
| Control and protection device | INT69® | INT69® |
| Electric terminal box class protection | IP56 | IP56 |
| Maximum pressure HP | 57.3 bar | 830.9 psi |
| Maximum pressure LP | 30 bar | 435.0 psi |
| Oil type [3] | POE85 CO2 | POE85 CO2 |
| Oil charge (3/4 of sight glass) | 1.2 l | 40.58 fl oz |
| Lubrication type | Centrifugal | Centrifugal |
| Net weight | 44 kg | 97.00 lb |
| Max Length | 361 mm | 14.22 inch |
| Max Width | 238 mm | 9.38 inch |
| Max Height | 285 mm | 11.23 inch |
| Rubber mounts diameter | 30 mm | 1.18 inch |
| Rubber mounts height | 30 mm | 1.18 inch |
| Rubber mounts shore | 45 sh | 45 sh |
| Compressor body material | Ghisa Sferoidale | Ghisa Sferoidale |
| Note | |
| [1] | Other motor voltage available on request |
| [2] | Maximum frequency depends on the working conditions: use the FSS.3 (Frascold selection software) |
| [3] | For alternative lubricants refer to bulletin FTEC022 |
| Accessory | Accessory code |
| Oil heater (230V-50W) | T00CH13-RIC |
| Electronic oil level switch (230V) | T00WK252 |
| Electronic oil level regulator - INT280 Diagnose 230V AC | T00EC1900 |
| Head cooling fan - 230V/1/50-60Hz | SZ-FM1 |
3D Cad - A_SK3| Abbreviation | Technical data | SI | IP |
| SV | Suction valve (SV) | - | - |
| DV | Discharge valve (DV) | - | - |
| A | Length (A) | 361 mm | 14.22 inch |
| B | Width (B) | 238 mm | 9.38 inch |
| C | Height (C) | 285 mm | 11.23 inch |
| D | Base mounting (D) | 234 mm | 9.22 inch |
| E | Base mounting (E) | 194 mm | 7.64 inch |
| F | Suction valve (F) | 150 mm | 5.91 inch |
| G | Suction valve (G) | 209 mm | 8.23 inch |
| L | Discharge valve (L) | 97 mm | 3.82 inch |
| M | Discharge valve (M) | 167 mm | 6.58 inch |
| N | Discharge valve (N) | 18 mm | 0.71 inch |
| 1 | High pressure plug (1) | 1/8" NPT | 1/8" NPT |
| 2 | Low pressure plug (2) | 1/8" NPT | 1/8" NPT |
| 3 | Oil charge plug (3) | 1/4" GAS | 1/4" GAS |
| 4 | Oil level sight glass (4) | - | - |
| 5 | Crankcase heater (5) | - | - |
| 6 | Oil drain plug (6) | M8 x 22 | M8 x 22 |
| 12 | Oil return plug (12) | 1/8" NPT | 1/8" NPT |
| 17 | Safety valve | - | - |
| NP | Name Plate (NP) | - | - |