ST750
G
ENERAL
H
ANDBOOK
667/HB/33750/000
Page 61
Issue 6
5. INSTALLATION AND COMMISSIONING
This section details the procedure for installing and commissioning of the
ST750 pedestrian controller in both the small and large controller cabinet
arrangements.
Refer to section 6 for instructions on installing and commissioning of the ST750
Rack Assembly into other traffic controller cabinets.
5.1 Pre-installation checks
The following checks should be carried out at the service centre and again on site,
with the exception of the pre-installation self-test which can only be carried out at
the service centre.
The controller cabinet should be visually inspected to check for any damage that
may have occurred in transit. Check the security of all internal wiring, PCBs/boards,
racks and fixings.
5.1.1 Hardware check
Check against the Works Specification that:
-
the correct boards and kits (including the Firmware PROMs and PLD) have been
supplied and fitted correctly.
-
the appropriate links have been made on all the PCBs/boards.
-
all fuses are fitted and are of the correct ratings.
-
the correct interconnection cabling has been installed within the controller
cabinet, e.g. Detectors to Rack Assembly, OTU to Rack Assembly, etc.
-
The dimming transformer taps are set for the required dimming voltage as
described in section 5.1.2.
5.1.2 Dimming Transformer Tap Setting
Connect the brown wire, as shown in Figure 23, to the connector block position as
per this table:
Required Dimming voltage
Input Tap
160V
IP2
140V
IP3
120V
IP4