Edwards Signaling eFSA250 - Manual (Page 19)

Chapter 1: Installation and wiring
E-FSA64 and E-FSA250 Technical Reference Manual 7
Figure 7: Transformer primary and secondary wiring
TB1
EGND
24 VAC
IN
Battery wiring (TB8)
Caution: Connect and disconnect standby batteries only with the AC power
applied.
The control panel has a 24 VDC rechargeable battery circuit that is capable of
charging up to two 26 Ah sealed lead acid batteries.
The table below lists the batteries that can be installed in the control panel
cabinets. Up to two 11 Ah batteries will fit in the eFSA64 control panel cabinet
and two 18 Ah batteries will fit in the eFSA250 point control panel cabinet. If
larger batteries are required, you must use an approved battery cabinet. To
determine which battery the system requires, use the “Battery calculation
worksheet” on page 212.
Table 3: Batteries for eFSA64 and eFSA250 panels
Model
Manufacturer Rating
12V4A GS Battery, Inc. 12 volts, 4.5 Ah
12V6A5 GS Battery, Inc. 12 volts, 7.2 Ah
12V10A GS Battery, Inc. 12 volts, 11 Ah
12V17A GS Battery, Inc. 12 volts, 18 Ah
12V24A GS Battery, Inc. 12 volts, 26 Ah