25
®®
Section 3 - Mounting the Components
Installing BAQ35T12 Switching Power Supplies
To install a BAQ35T12 in a plastic box, work carefully through the following
steps (see Fig. 2.4 and 3.5).
1. Locate the BAQ35T12 onto its supports on the backplate. Ensure that the
Switching Power Supply is secured firmly in place by the arrester [3d].
2
. Using the Parker screw [24] (2.9 x 9.5), secure the BAQ35T12 in place.
3
. Connect one end of the Earth wire (Yellow-Green) [13b] to terminal 51
(
--
--
- ) on the PCB, and the other to terminal [
QQ
QQ
Q ] on the BAQ35T12
Switching Power Supply.
4
. Insert the Switching Power Supply plug into the connector [29a] on the
PCB.
5
. Connect one end of the OVC-Link wire [29b] to the OVC connector on
the PCB, and the other to the NTC connector on the BAQ15T12. This
connection will allow the system to monitor the battery status constantly.
To install a BAQ35T12 in a metal box, work carefully through the following
steps (see Fig. 2.6 and 3.5).
1
. Locate the BAQ35T12 onto its supports on the backplate. Ensure that the
Switching Power Supply is secured firmly in place by its arrester [3d].
2
. Using the washer and screw [24] (3 x 6), secure the BAQ35T12 in position.
3. Insert the Switching Power Supply plug into the connector [29a] on the
PCB.
4. Connect one end of the OVC-Link wire [29b] to the OVC connector on
the PCB, and the other to the NTC connector on the BAQ35T12. This
connection will allow the system to monitor the battery status constantly.
Replacing BAQ35T12 Fuse
Please read the following instructions, to get an overall view of the steps
involved in replacing the Fuse [28] of the BAQ35T12 Switching Power Sup-
ply (see Fig. 2.4).
1
. Disconnect the Mains Power.
2
. Remove the snap rivet [25b].
3
. Remove the screws [25a].
4
. Remove the cover, then replace the Fuse.
5
. Replace the cover, snap rivet [25b] and screw [25a].
6
. Restore the Mains Power.
IMPORTANT - If the Mains Fuse [27] blows, DO NOT replace it. This
condition indicates general malfunction and requires specialist intervention,
Therefore, return the Switching Power Supply to your nearest Service Centre
for repair.
Plastic Box BOX-P
BOX-L
Large Metal Box
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