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Siemens Building Technologies
HVAC Products
31.3.3 Electrical installation
General notes:
• The cable lengths should be chosen such that there is sufficient space to open the
control panel door
• Cable tension relief must be ensured
• The cables of the measuring circuits carry extra low-voltage
• The cables from the controller to the regulating unit and the pump carry mains volt-
age
• Sensor cables should not be run parallel to mains carrying cable
• The cores of the 2-wire cable to the PPS (room unit) are interchangeable
Basic documentation RVD240
31 Handling
CE1P2384en
27.05.2004
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