Stand-By Battery; Battery Start-Up; On-Board Power Supply Unit - Honeywell Galaxy Dimension Series Installer Manual

Galaxy Dimension Installer Manual

Stand-by Battery

The Galaxy Dimension control panels can accommodate up to 2 x 17 Ah batteries. Ensure that the battery
connector leads on the control panel Powers Supply Unit (PSU) are connected to the correct terminals on the
battery.
CAUTION: There is a risk of explosion if the battery is replaced by an incorrect type.
Dispose of used batteries according to the instructions.

Battery Start-up

The system can be powered up via the Battery Start-up jumper if there is no AC power. To do this, short
out the Battery Start-up jumper for the duration of the configuration process only. Never leave the Battery
Start-up connected or else deep discharge of the Stand-by Battery will occur.

On-Board Power Supply Unit

The on-board Power Supply Unit (PSU) supplies and monitors power to the system and peripherals. The
following table shows the fuse name and value in amps.
The Galaxy Dimension control panel contains four fuses. Details are given in the following table.
FUSE NAME
AUX1
AUX2
AUX3
BATT
Power Monitoring Characteristics:
The PSU total capacity is 2.5A. Internally the PSU is split in two in order to ensure sufficient current is always
available for stand-by battery recharge. The PSU capacity is broken down as follows:
• Battery:
• Control PCB:
• AUX +12V:
The PSU is available for zones/outputs and peripherals.
C o n r t l o P
B - A T
+ B A T
Table 2-3. Battery/Control Panel connections
VALUE (AMPS)
1.0
1.0
1.0
1.6
Table 2-4. On-board PSU Fuses
Low battery level: 11.2V
Deep discharge protection: 10.5V
Overvoltage protection: 14.7V
1.25A
0.25A
1.00A
a n l e B t a e t y r
- e v t r e m n i l a
+ e v t r e m n i l a
PROTECTS
RS485 Line 1, RIO 0, Zones 1-8: +12V,
on-board comms
RS485 Line 2, RIO 1, zones 1-8 +12V
+12V AUX3 terminal
Battery
2-7
Stand-by Battery
TYPE
20 mm, anti-surge
20 mm, anti-surge
20 mm, anti-surge
20 mm, anti-surge