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Electrical Connection
Before working on the unit, switch off the power supply and secure it against being switched on again! Check that there is no
power flowing! Electrical connections may only be made by a specialist and in compliance with the applicable regulations.
The unit may not be put into operation if there is visible damage to the housing, e.g. cracks.
The unit may not be accessible from behind.
Low-voltage cables such as temperature sensor cables must be routed separately from mains voltage cables. Feed tem-
perature sensor cables only into the left-hand side of the unit, and mains voltage cables only into the right-hand side.
The customer must provide an all-pole disconnecting device, e.g. an emergency heating switch.
The cables being connected to the unit must not be stripped by more than 55 mm, and the cable jacket must reach into the
housing just to the other side of the strain relief.
Installing the Temperature Sensors
The controller operates with Pt1000 temperature sensors which are accurate to 1 °C, ensuring optimal control of system functions.
If desired, the sensor cables can be extended to a maximum of 30 m using a cable with a cross-section of at least 0.75 mm².
Ensure there is no contact resistance! Position the sensor precisely in the area to be measured! Only use immersion, pipe-
mounted or flat-mounted sensors suitable for the specific area of application with the appropriate permissible temperature
range.
Temperature Resistance Table for Pt1000 Sensors
°C -20 -10 0 10 20 30 40 50 60 70 80 90 100
Ω 922 961 1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385
Combining multiple SOREL products
SOREL devices with CAN Bus such as HCC controller, Datalogger or °CALEON Room Controller can be networked to communicate
with each other and intelligently control larger systems.
CAN bus
1. The CAN devices are connected in series with the CAN bus cable.
2. The first and last CAN device in this connection in series must be fitted with terminating
resistance.
The wiring of the two CAN sockets is arbitrary.
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