Arctic Refrigeration Components Supply Sdn Bhd
10, Jalan 21,
Taman Bukit Kuchai,
47100 Puchong,
Selangor, Malaysia.
+603-8080 9662
+603-8080 9663
+603-8080 9661

INT69 B2 Diagnose

INT69 B2 Diagnose  INT69 B2 Diagnose  Motor Protector Diagnose KRIWAN


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INT69_B2_Diagnose_-_Operation_Manual.pdf (119.75 KB)
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KRIWAN MOTOR PROTECTOR INT69 B2 DIAGNOSIS (22A414S82)

Application
The motor protector INT69 B2 Diagnosis 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 B2 Diagnosis 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 small and medium semi-thermal piston compressors.


Functional description
The temperature monitoring of the motor winding is done with two evalua-tion 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 the AMS or PTC input also leads to a switch-off. If the lock-out bridge is installed, errors (with the exception of short circuit) always lead to a locked switch-off. Restarting after locking only after reset.

If the lock-out bridge is not inserted, the compressor can be restarted after it cools down or the error is rectified and a subsequent reset delay. A network restart has to be carried out after the lock-out bridge has been changed. For operation in the specified manner, the supply voltage has to be on permanently on the INT69 B2 Diagnosis.


PRODUCT DETAILS 
 
   
Application Small and medium semi-thermal piston compressors
Function  Motor temperature static, Motor temperature dynamic,                                    Short circuit, Lock-out
Supply voltage AC 24-230V
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 Flat plug sleeves (PTC), screw terminals
Housing material PA glass-fibre-reinforced
Mounting Can be snapped onto 35mm standard rail acc. to EN 60715 or screw mounted
Dimensions Refer to dimensions in mm
Weight Approx. 200g
Check base EN 61000-6-2, EN 61000-6-3 EN 61010-1 Overvoltage category II Pollution level 2
Approval UL File No. E75899 cURus

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