FireClass FC506 - The system wiring; Connecting addressable devices

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Figure 13: Wiring diagram for the power supply
1
Black wire
2
Red wire
3
Battery 12V
4
Jumper
5
Automatic Isolating Switch
Thermal probe
The control panel supports the KST thermal probe. The
probe optimizes the battery charging process by regulating
the charge voltage in accordance with the battery
temperature.
Work carefully through the following instructions. Refer to
Figures 13, 14 and 16.
Connecting the thermal probe to the control
panel
Note: The panel comes with a KST thermal probe installed
to connector 10 on the power supply. See Figure 4.
1. Use the trimmer 9 in Figure 4 to adjust the voltage.
Refer to the graph in Figure 14 and Table 6.
For example: if the probe is located in an ambient
temperature of 20°C, the output voltage must be
27.489V.
Important: The probe temperature must be
considered during voltage adjustment.
2. Once the voltage adjustment is complete, attach the
thermal probe to the battery. Refer to Figure 16.This
will provide an optimum level of thermal conductibility.
3. Connect the batteries to the battery terminal on the
panel main board.
CAUTION
Before removing the probe, disconnect the
battery from the main board. Removing the
thermal probe causes the switching power
supply voltage to rise to 27.6 V or greater.
This damages the battery.
If you are disconnecting the battery and you are required
to work without the thermal probe (EN54 approval will be
lost), adjust the switching power supply output voltage
using the trimmer (46) as per Table 6. Reconnect the
batteries only if their voltage equates to 27.6 Vdc or less.
To verify battery efficiency, the charger circuit measures
the internal resistance of the batteries. To ensure you
receive an accurate reading, use only the cables supplied;
longer cables or those that have an insufficient section
may incorrectly simulate an inefficient battery.