Building Technologies
74 319 0618 0 a
17.04.2008
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en
en
English
Installation and commissioning heating controller
Do not throw these instructions away but keep them with the controller!
Installation
Place of installation
•
In a dry room, e.g. the boiler room
•
Mounting choices:
– In a control panel (on the inner wall or on a top hat rail)
– On a panel
– In the control panel front
– In the sloping front of a control desk
•
Permissible ambient temperature: 0…50 °C
Electrical installation
•
Local regulations for electrical installations must be complied with
•
Only qualified staff may carry out electrical installations
•
Cable strain relief must be provided
•
Cables from the controller to the actuator and the pump carry mains voltage
•
Cables to the sensors should not be run parallel to mains carrying cable (e.g. power supply
for the pump) (insulation class II to EN 60730!)
•
If a device is defective or damaged, immediately disconnect it from power and replace it
Permissible cable lengths
•
For all sensors, thermostats and external contacts:
Copper cable 0.6 mm dia.
max. 20 m
Copper cable 1.0 mm
2
max. 80 m
Copper cable 1.5 mm
2
max. 120 m
•
For the room units:
Copper cable 0.25 mm
2
max. 25 m
Copper cable 0.5 mm
2
max. 50 m
