Compound and condenser controller with operating modes for compressors with FC
DCC-BL_V1.1.0_PI_2019-04_EN
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Subject to technical modifications
DCC-BL
1 DCC-BL
Compound and condenser controller with operating modes for compressors with FC
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Front view
Fig. 1: Front view DCC-BL
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Features
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Different operating modes for operating different types of compressor rack
4 relays for operating:
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equally or differently graduated compressors
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compressors with 1 to 4 steps
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with or without cylinder lift
1 voltage output for operating
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1 constant compressor
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Can be extended with 4 switching outputs with an additional DCC-BL
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Compressor and compound downtime monitoring
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Integrated operating hours and switching cycles counter per compressor
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Optimised base load change and forced base load change of the compressors
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Compressor oscillation protection according to run time and switching frequency
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Peak load shedding and fast return by digital input
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Dynamic flow and return delay
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Evaporation temperature setpoint shift by digital input, CAN bus and enthalpy
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Winter start function
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Suction gas monitoring
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Compound control by voltage input
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Manual operation of compressors
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Integrated condenser control
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constant by voltage output
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stepped by voltage output with ADC
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Condensation temperature setpoint shift by digital input and outside temperature
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Cyclical forced start-up for condenser fans
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Night limit for condenser fans
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Emergency operation for compound and condensation control
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Direct connection of a CAN-USB to the service socket
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Connection to the Wurm system through a Wurm CAN communication bus (C-BUS) and
FRIGODATA XP