Details
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KRIWAN MOTOR PROTECTOR INT69-2 DIAGNOSE ( 22A445S80 )
Application
The motor protector INT69-2 Diagnose is a further development of the reliable KRIWAN motor protectors. Its supplementary flexible-response protective functions help to improve the availability and extend the service life of a refrigeration system.
The INT69-2 Diagnose automatically saves operational and error data in a non-volatile memory. This data can be retrieved on a PC and analysed for diagnosis. The full scope of the diagnosis is achieved by using a KRIWAN-specific AMS sensor.
This motor protector is mainly employed on compressors which are qualified acc. to IEC/EN 60335.
The INT69-2 Diagnose automatically saves operational and error data in a non-volatile memory. This data can be retrieved on a PC and analysed for diagnosis. The full scope of the diagnosis is achieved by using a KRIWAN-specific AMS sensor.
This motor protector is mainly employed on compressors which are qualified acc. to IEC/EN 60335.
Functional description
The temperature monitoring of the motor winding is done with two evaluation processes:
• Static: Switch-off is immediate if the nominal response temperature of the built-in AMS or PTC sensors is reached.
• Dynamic: If the temperature increases unusually quickly, the motor is switched off immediately even if the temperature is still far below the nominal response temperature. This prevents excess temperatures from occurring.
A short circuit at an AMS or PTC input also leads to a switch-off.
After expiration of the reset delay and elimination of the error or cool-down, the compressor can be restarted. For operation in the specified manner, the supply voltage has to be on permanently on the INT69-2 Diagnose.
• Static: Switch-off is immediate if the nominal response temperature of the built-in AMS or PTC sensors is reached.
• Dynamic: If the temperature increases unusually quickly, the motor is switched off immediately even if the temperature is still far below the nominal response temperature. This prevents excess temperatures from occurring.
A short circuit at an AMS or PTC input also leads to a switch-off.
After expiration of the reset delay and elimination of the error or cool-down, the compressor can be restarted. For operation in the specified manner, the supply voltage has to be on permanently on the INT69-2 Diagnose.
| PRODUCT DETAILS | |
| Application | Compressors acc. IEC/EN 60335 |
| Function | Motor temperature static, Motor temperature dynamic, Short circuit. |
| Supply voltage | AC 115 -240V |
| Permitted ambient temperature | -30...+70°C |
| Temperature measuring circuits: Type |
1-2 AMS sensors in series alternative 1-9 PTC sensors acc. to DIN 44081, DIN 44082 in series |
| Temperature measuring circuits: R_25, total |
<1.8kΩ |
| Temperature measuring circuits: R_trip |
4.5kΩ ±20% |
| Temperature measuring circuits: R_trip, static |
4.5kΩ ±20% |
| Temperature measuring circuits: R_reset |
2.75kΩ ±20% |
| Temperature measuring circuits: Max. length connection line | 30m |
| Short circuit monitoring system PTC | Typically <30Ω |
| Input, operating recongnition motor: Lower limit | AC 100V at 20Hz to 175V at 90Hz |
| Input, operating recongnition motor: Upper limit | AC 460V ±15% |
| Operating with frequency converters | Suitable |
| Reset delay: Motor temperature static | 1min ±12s |
| Reset delay: Motor temperature dynamic | 5min ±1min |
| Resetting the lock or the reset delay | Main reset >5s only possible if there is no error current |
| Relay: Connection | AC 240V 2.5A C300 at least AC/DC 24V 20mA |
| Relay: Mechanical service life | Approx. 1 million switching cycles |
| Interface | Diagnose port (DP) |
| Protection class acc. To EN 60529 | IP00 |
| Connection type | screw type terminals |
| Housing material | PA glass-fibre-reinforced |
| Mounting | screw mounted |
| Dimensions | Refer to dimensions in mm |
| Weight | Approx. 150g |
| Check base | IEC/EN 60335, IEC/EN 60730, UL 60730 EN 61000-6-2, EN 61000-6-3 EN 61010-1 Overvoltage category II Pollution level 2 |
| Approval | UL File no. E75899 cURus VDE certification no. 40022017 |
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