Page 9 of 17 Revision 1.1 Aug 2020
Document No. AlarmLine II Digital EN Controller Installation Instructions
Leader Cable
In certain applications it may be desirable or necessary to use non-
sensing leader cable between the AlarmLine II Digital EN Controller
and the Digital LHD cable. For example, if the the AlarmLine II Digital
EN Controller is located some distance away from the area protected
by the Digital LHD cable. This may be required if the expected ambient
temperature range, or other environmental conditions, where the
Digital LHD cable is to be used is greater than the maximum ambient
temperature range for the AlarmLine II Digital EN Controller. (see steps 8,
9 and 10 in the Commissioning section on pages 10-11).
The maximum length of leader cable that can be used per zone is
dependent upon the leader cable diameter’. The following is a guideline
for typical cable sizes and maximum length:
Leader Cable Size Max Leader Cable Length
20AWG
(16x0.2mm or 0.8mm dia, copper) 1000m
Mounting Dimensions
The AlarmLine II Digital EN Controller is intended to be wall-mounted.
4 holes should be drilled according to the mounting dimensions given in
gure 2. The corresponding mounting holes on the AlarmLine II Digital
EN Controller can be found by removing the lid of the device. The
mounting holes are located adjacent to the lid screw positions. Suitable
screws for the type of wall the AlarmLine II Digital EN Controller is to be
mounted on will need to be provided for separately. The maximum screw
head diameter is 7mm and the maximum screw thread diameter is 4mm.
Static Discharge Cautionary
The following items are cautionary notes that will help prevent
equipment damage or malfunction caused by static discharge:
CAUTION
Static charges produce voltages high enough to damage electronic
components. Follow these precautions when installing, servicing, or
operating the AlarmLine II Digital EN Controller:
• Work in a static-free area.
• Discharge any static electricity you may have accumulated.
• Discharge static electricity by touching a known, securely
grounded object.
• Do not handle the printed circuit board (PCB) without proper
protection against static discharge.
In the event that the AlarmLine II Digital EN Controller malfunctions after
encountering a static discharge correct operation of the unit can be
restored by interrupting power to unit for a brief period (approximately
10 seconds). Setup information can be veried by following the steps in
the Commissioning section (page 10 onwards). In the event of the setup
information being corrupted the unit should be reset following the
Resetting the AlarmLine II Digital EN Controller procedure.
Figure 2: Mounting Dimensions for the Kidde AlarmLine II Digital
EN Controller
Useful Information
