MICROCONTROLLER BASED COMPRESSOR CAPACITY CONTROLLER TYPE MPRCC

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INTRODUCTION

The new microcontroller based MPRCC is a multistage electronic capacity controller for multicylinder reciprocating compressor or rack systems.

LCD Based unit has easy to use settings, like Set point -Low pressure (LP), Neutral Zone (NZ), Inter-stage differential (ISD) & Interstage timer.

One Analog input ( 4 to 20mA) for pressure transmitter e.g. compressor suction or RTD Pt100

One Digital input (potential free) for Compressor on feedback Four / Six Relay Output for Compressor Capacity Control Solenoid Valves and Compressor trip Adjustable time delay for capacity control solenoid valves Adjustable Neutral Zone, Inter Stage Differential, Calibration

• Optional RS232 / RS485 port for communication
• Optional available Software for PC monitoring

Typical application:
PRCC-04 unit stage control:

Set Point 2.00 bar
Neutral Zone 0.15 bar
Inter-Stage Differential 0.10 bar

 


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