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KRIWAN 52S581P031 INT280-60 Diagnose
Oil Level Regulator
The INT280-60 Diagnose is a further development of the reliable KRIWAN oil level regulators. In refrigerant compressors, precise oil level control is of paramount importance. KRIWAN oil level regulators ensure precise monitoring and adjustment of the oil level to guarantee the optimal performance of your compressors. KRIWAN relies on pioneering technologies to establish the highest quality standards.
The INT280 monitors and regulates the oil level in refrigerant compressors. The oil level regulator is used in rack systems with several reciprocating or scroll compressors connected in parallel. Adaptive oil filling from a common oil reservoir prevents problems caused by uneven oil consumption of compressors in rack systems. In addition, the compressor is automatically switched off if it is not possible to restore the specified oil level.
The INT280-60 Diagnose saves operating and error data in a non-volatile memory. This data can be read and evaluated for diagnosis.
Key Technical Specifications
|
Supply voltage |
230 V ~ 50/60 Hz ±10% 25 VA |
|
Permissible ambient temperature
Ta |
-30°C ≤ Ta ≤ +60°C |
|
Permissible ambient temperature
Ta |
-30°C ≤ Ta ≤ +60°C |
| Permissible relative humidity |
10-95% r.h. without condensation |
|
Medium temperature |
-30...+100 °C |
|
Operating pressure |
-1...+60 bar |
|
Test pressure |
90 bar |
|
Differential pressure
 |
|
|
Relay
 |
- 240 V ~ 2.5 A C300 
At least 24 V ~/⎓ 20 mA 

Approx. 1 million cycles |
| Interface |
Diagnostic port (DP) |
|
Degree of protection as per EN60529 |
IP65 (DP cable or cover must be mounted) |
|
Connection |

Cable 6 x AWG-18, L=1 m 

7/16" -20 UNF |
|
Fixing |
Flange (3- / 4- hole) |
|
Housing material |
Aluminum
 PA, glass-fiber-reinforced |
| Flow rate valve | 1 l/min (water 20°C, 1 bar differential pressure) |
|
Permissible oils |
Mineral and ester oils without additives |
|
Permitted refrigerants |
Non-corrosive, non-flammable |
|
Mounting position |
Horizontal (180° rotatable), ±2° |
|
Dimensions |
See dimensions in mm |
|
Weight |
Approx. 1400 g |
| Test regulations |
EN 61000-6-2, EN 61000-6-3
 |
| Firmware |
2 |
