Structure and function
Overview
3
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Building Technologies
A6V10349616_i_en_--
Fire Safety
2019-01-18
3 Structure and function
3.1 Overview
The manual call points are intended for use in places where a fire can be detected
by people who can manually trigger an alarm.
The manual call point consists of a housing and a switching unit. It has the
following features:
●
Indirect activation
●
Two-wire installation for all cable types
●
Individual detector addressing
●
Indication of the status (alarm, localization or test) by means of a dichromatic
LED
●
Communication via FDnet/C-NET
●
Mounting on the FDnet-Ex/C-NET-Ex downstream of a line adapter (Ex)
FDCL221-Ex
●
Can be addressed on the FDnet-Ex/C-NET-Ex detector line
Figure 1: Use of a manual call point FDM223-Ex on the FDnet-Ex downstream of a line adapter (Ex)
FDCL221-Ex
3.1.1 Details for ordering
Type
Order number
Designation
FDM223-Ex
(complete)
S54329-F5-A1
Red housing with glass insert, Allen key, switching
unit, 3 cable grippers (2-hole), and 'Not in use' sign
3.1.2 Reference to technical manual
You will find this symbol on all devices designed for use in areas at risk
of explosion. It indicates that you will find important information on using
the device correctly in the technical manuals.
Read and follow the instructions in the technical manual.
Area not at risk
Ex area
FDnet-Ex/C-NET-Ex
FC20xx/FC72x
FDnet/C-NET
FDCL221-Ex
