Main Feature:

• Individual set points, differentials and time delays.
• Cycling of compressors to avoid overloading one compressor.
• Activate second compressor incase first compressor is not able to handle the load.
• An internal 10sec time delay is provided to avoid simultaneous startups of compressors & a similar option for switching off as   well to prevent an electrical surge.
• Software keypad lock to avoid parameter tampering by bystanders.

Input & Output:

• Relay output : 8(2)A for two Compressors.
• Temp. Sensor Input : 1 NTC Probe.

Application :

For 2 independent cooling units with one temperature sensor.

General Specification

• Temperature range 0°C to 50°C (SZ 7552P) & -50°C to 99°C (SZ 7562P).
• 230VAC Standard. Other models with 12VDC, 24VDC, 110VAC on request.
• Panel cutout : 29 X 71 mm Screw terminals : Admit 1X 2.5 mm² wire.

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»» SZ 7556P-D

Main Feature:

• Switch off compressor on the difference between control & reference temp.
• Provision to switch off compressor on Low Temperature (LT).

Input & Output:

• Relay output :8(3)A.
• Alarm Relay output :5A. .
•Temp. Sensor Input 2 : NTC.

Application :

Oil Chillers, Panel A/C’s & similar applications.


General Specification

• Temperature range 0°C to 70°C.
• 230VAC Standard. Other models with 12VDC, 24VDC, 110VAC on request.
• Panel cutout : 29 X 71 mm.
• Screw terminals : Admit 1X 2.5 mm² wire.

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