6.4 Installation and Connection of the Door Contact Switch
One door contact switch set is part of the monitoring package.
The article code of an additional door contact switch set is 08.014.590.0
Figure 6.14 Door Contact Switch Installation and Connection
Item
Description
1
Door contact
2
Upper SN-T temperature
3
One wire adapter door contact
Up to two door contact switches can be connected to the OneWire Adapter UFN0001. If fewer are connect-ed, the unused
terminal must be bridged. Otherwise, an open door is always detected.
Door contact switches must be connected to the UFN0001 in such a way that the switch is closed when the door is closed
and open when the door is open. The polarity of a door contact switch is irrelevant.
6 Installation and Commissioning
35
Vertiv™ Liebert® DCDactive Fan Module User Manual
Содержание Liebert DCD
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