N93-597-00 Issue 1
Page 10 of 17 © Protec Fire Detection PLC 2014
6.5 Installing the Standby Batteries
The 9100EN power supply is designed to house two 12V 3.3Ah Valve Regulated Lead Acid (VRLA)
batteries. These fit into the back-box and must be secured with the two plastic tie-wraps provided
as shown in figure 6.2.
Only use batteries supplied or recommended by Protec. The internal charger has been specifically
designed to maintain the charge voltage at an optimum level for these batteries over the entire
operating temperature range in order to maximise the life of the batteries.
Figure 6.2 Installation of 9100EN standby batteries
(Shown with the lid and control PCB housing removed
)
Tie-Wraps
must be used
to secure the
batteries