WURM DCC-BL Manual

1 DCC-BL
Compound and condenser controller with operating modes for compressors with FC
1.1

Front view

Fig. 1: Front view DCC-BL
1.2

Features

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