Glossary - Definition - RADEMACHER 9485 Instruction Manual For The Electrical Connection And For Commissioning

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2.3 Glossary - definition

UW
◆ UW = ultra-white (device colour)
DIN 49075
◆ German Standard "Cover panels for installation devices for
building into device boxes..."
2014/53/EU
European Radio Equipment Directive
◆
ELV
◆ Extra low voltage
Electrothermal control valves
Electrothermal valves with the switching states "normally closed
(NC) or normally open (NO)" are often used for heating control.
You can set the respective valve mode on the DuoFern Room
Thermostat 9485 to adapt to the control valve used in each
case.
Valve mode NC (normally closed)
◆ The control valve remains closed in an isolated,
de-energised state
Valve mode NO (normally open)
◆ The control valve remains open in an isolated,
de-energised state
EN
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