WURM CRE-BL Manual

Cold location controller with EEV control, separate control panel for installation on the front panel
1 CRE-BL
Cold location controller with EEV control, separate control panel for installation on the front
panel
1.1 Front view
Fig. 1: Front view
1.2 Features
• Suitable for all cold location types, such as cold rooms and refrigeration units
• Superheating and modulated temperature control with clocked EEV or 0...10V
• Connection for 4 temperature sensors (supply air, return air, limit and suction gas sensor)
• Weighting of 2 control sensors
• 2nd setpoint and independent day/night changeover
• Input for door contact switch with timed cooling interruption of 15min and adjustable alarm
• Circulated air defrost, electric defrost, hot gas defrost and cool gas defrost
• Defrosting can be set over 8 fixed times daily or for weekday
• Thermostatic fan control
• Fan control with run-up and run-down function
• Operation-dependent fan control through analogue output with adjustable speeds
• Oscillation protection and runtime monitoring
• 3-point control, e.g. for heating function
• Integrated real-time clock with power reserve
• Large data memory for temperature list
• Quick installation on top-hat rail
• Plug-in screw terminals
• Support for higher baud rates on the Wurm CAN communication bus (C-BUS)
• Direct connection of a CAN-USB to the service socket
• Connection to the Wurm system via C-BUS and FRIGODATA XP
Accessories
• OPM-E control panel
CRE-BL_V1.2.0_PI_2023-10_EN
Subject to technical changes
CRE-BL
1