Installation Instructions

PX Version 5.0 - QX/RX Version 4.51 Installation Manual – Issue F
- 7 -
AUX DC Supply
AUX DC Supply
Technical Information
The DC supply output is a Safety Extra-Low Voltage (SELV) circuit. This DC supply rating is for all the
DC current requirements, including recharging the battery. The supply has the following rating:
Item RX16i/
QX32i
PX48i/
PX80i/
PX250i
PX500/
PX250HS
3A Smart
Concentrator
Smart Access
Module
Output voltage (DC)
13.7V  5% 14V  5% 14V  5% 14V  5% 14V  5%
Standby Battery 7Ah 7Ah,
18 Ah
7Ah or
18Ah
2 off 18Ah 7Ah,
Maximum recharge time 24 hours 24 hours 24 hours 24 hours 24 hours
Power supply rating 1.0A 1.5A 2.5A 3.0A 1.5A
Battery Charge Limit 0.5A 0.75A 0.78A 0.9A per battery 0.75A
Aux1 DC supply Fuse F800mA
250V
F800mA
250V
F800mA
250V
F1.6A 250V F800mA 250V
Aux2 DC supply Fuse F800mA
250V
F800mA
250V
F1.6A
250V
F800mA 250V
XiB Bus DC supply F800mA
250V
(Fuse 4)
F800mA
250V
(Fuse 6)
F800mA
250V
(Fuses
5,6,7,8)
F800mA 250V
(Fuse 5)
Battery F2.5A
250V
(Fuse 2)
F2.5A 250V
(Fuse 4)
F2.5A
250V
(Fuse 9)
F2.5A 250V
(Fuses 3 & 4)
F2.5A 250V
(Fuse 4)
Sounder/Audio/Aux. DC F800mA
250V
(Fuse 4)
F800mA
250V
(Fuse 3)
F800mA
250V
(Fuses 3 &
4)
All wiring in this enclosure is required to be V-2, IEC approved or PVC type. All installation wiring
within this equipment should utilise plastic cable ties to bundle cables so as to provide strain relief for
the cable.
AUX DC Supply
EN 50131-6 Compliance
EN 50131-6 Technical Data
Item RX16i/
QX32i
PX48i/
PX80i/
PX250i
PX500/
PX250HS
3A Smart
Concentrator
Power Supply Type A
Battery Type Maintenance Free 12V Lead Acid
Rated Output voltage
13.7Vdc 
5%
14Vdc  5% 14Vdc  5% 14Vdc  5%
Quiescent Current 80mA 110mA 110mA 130mA
Maximum Rated Output* 0.42A 0.49A 0.49A 1.07A
Max Peak to Peak Ripple
Voltage
0.7V 0.7V 0.7V 0.1V
Over-voltage protection
trigger voltage
<+18.4V <+18.4V
Maximum Power Output +14.4Vdc
+14.7Vdc +14.7Vdc +14.7Vdc
Minimum Power Output +11.4Vdc +11.4Vdc +11.4Vdc +11.4Vdc
Battery Low Voltage Point +11.4Vdc +11.4Vdc +11.4Vdc +11.4Vdc
Low Output Voltage (Power
Fail Point)
+10.7Vdc +10.7Vdc +10.7Vdc
Deep Discharge Threshold
<10.6Vdc <10.6Vdc <10.6Vdc
*Ratings to meet EN 50131-1 – see Battery Standby Section for further details