A4- 2
Morley-IAS
996-203-001-2, Rev. 02
2.1
Base PCB
-
The Base PCB is fitted in the panel and does not need to be removed for the installation of the fire
alarm control panel.
-
Each Base PCB variant, 1 Loop (kit PN 795-109) or 2 Loop (kit PN 795-110), is secured in the panel
enclosure using four M3 SEM screws.
-
The Base PCB supports connection to the following :
a. Display PCB
b. PSU
c. Batteries
d. Thermistor
e. All field wiring such as loop(s), sounder circuits, RS485 wiring, volt-free relay circuits, etc.
f. Optional network PCB.
-
The 2-Loop Base PCB, when used in the DXc4 panel 4-loop variant, has a ribbon cable connection
to the 2-loop expansion PCB.
-
Should the Base PCB need replacing, refer to the instructions provided with the replacement.
2.2
2-Loop Expansion PCB (PN: 795-111)
-
This PCB extends a 2-loop panel to four detection loops. The DXc4 panel variant already has this
PCB fitted and, consequently, this manual does not provide fitting instructions.
-
The 2-loop Expansion PCB locates on four pillars inserted through the Base PCB, to which it is
connected via a ribbon cable.
-
Should the 2-Loop Expansion PCB need replacing, refer to the instructions provided with the
replacement. Replacement kit (PN: 795-111).
2.3
Display PCB (PN: 795-104)
-
The Display PCB is fitted to the front door of the Connexion panel variants.
-
The PCB is connected directly to the following Base PCB.
-
The Display PCB also supports the optional-fit keyswitch and 40-Zone/ 80-Zone PCB assemblies.
-
This PCB, or LCD unit, are not individually-replaceable items. In the unlikely event that the PCB should
become faulty a complete front door assembly replacement is required. Replacement kit (PN: 795-104).
Figure 32 - Location of Display PCB and 40/ 80 Zone LED PCB
www.acornfiresecurity.com
www.acornfiresecurity.com
