WURM CRC-BL-EEV Quick Start Manual

Cold location controller for top-hat rail installation with enhanced operating modes for 4 cold loca-
1 CRC-BL-EEV
Cold location controller for top-hat rail installation with enhanced operating modes for 4
cold locations or 2 control circuits with EEV
1.1

Front view

Fig. 1: Front view
1.2

Features

• Suitable for 4 cold locations max.
• Up to 2 electronic expansion valves possible via expansion module
• Basic functional sequences and parameters preprogrammed by selection of cold location type
• Intelligent fan control, compressor oscillation protection, fan delay
• Thermal fan control and draining time after defrosting
• Analogue fan control with X-tra-2 module
• Suitable for electric defrost, forced air defrost, hot gas defrost and cool gas defrost
• Defrost control by real-time clock with power reserve
• Simple defrost synchronisation of multiple controllers (master-slave)
• 8 defrost times by integrated weekly timer
• Digital inputs for setpoint switchover, manual defrost initiation and door contact
• Option to select 3-point control
• Control sensor weighting can be set separately for day operation and night operation
• Support for higher baud rates on the Wurm CAN communication bus (C-BUS)
• Can be locked to prevent unwanted parameter adjustment (SAC – Security Access Control)
• Plain text name for each parameter on the display, language selectable
• BLUELINE operation
• Connection of max. 2 external displays
• Plug-in screw terminals
• Large data memory for temperature list
• Connection to the Wurm system via C-BUS and FRIGODATA XP
CRC-BL-EEV_V2.4.3_PI_2022-03_EN
Subject to technical changes
CRC-BL-EEV
tions or 2 control circuits with EEV
1