012696 GL0011P-07
– Installation Guidelines for BioDisc BA, BAx, BB & NB Units
Page 12
4.6.3
Connect the other end of the chemical dosing pump power supply cable to the junction box in the
plant (marked CHEMICAL DOSING).
4.6.4
Connect the other end of the chemical dosing probe cable to the junction box in the plant.
4.6.5
Set the run and pause times for the chemical dosing pump as described in Table 4.
Chemical Dosing Pump Pause Time
Switch 1
Switch 2
Off
Off
48 minutes (default BA)
Off
On
24 minutes (default BB)
On
Off
12 minutes
On
On
6 minutes
Chemical Dosing Pump On Time
Switch 3
Switch 4
Off
Off
4 seconds
Off
On
3 seconds
On
Off
2 seconds (default)
On
On
1 second
Table 4 : Chemical Dosing Pump Settings
4.6.6
Using a small screwdriver, push switch 12 to the ON position.
4.7
Installation of Loss of Rotation Alarm (where applicable)
4.7.1
Using a suitable M12 gland, feed the loss of rotation alarm cable through Gland Hole 6 (Figure 1)
and terminate to connection 9 & 10 (TB5). The two contacts are not position sensitive.
4.7.2
Connect the other end of the loss of rotation alarm cable to the junction box in the plant.
4.7.3
Using a small screwdriver, push switch 10 to the ON position.
4.8
Installation of High Level Alarm (where applicable)
4.8.1
Remove the link in the terminal blocks between connections 11 & 12 (TB6) before inserting cables.
Using a suitable M12 gland, feed the high level alarm float cable through Gland Hole 7 (Figure 1) and
terminate to connection 11 & 12 (TB6) following the guide on Table 2.
4.8.2
Fix the bracket attached to the float to the steelwork supporting the motor using the two free holes.
4.8.3
Ensure that the base of the float is approximately 300mm from the bracket when held horizontally.
4.9
Installation of Beacon (where applicable)
4.9.1
The beacon can be mounted up to 30m from the panel. The beacon is intended to be mounted on a
wall or other solid surface.
4.9.2
Using a suitable M12 gland, feed the cable from the beacon through Gland Hole 9 (Figure 1) and
terminate to connection 16, 17 & 18 (TB8) following the guide on Table 2.
4.10
Completing the Installation
4.10.1 Plug the lead from the battery into the small white socket in the top right corner of the PCB marked
“BATTERY HEADER”.
4.10.2
The display should now show “F1”. This is normal and is indicating that there is no mains power to
the panel. At this point the panel is running from the battery power.
4.10.3 Replace the safety cover and screws.
4.10.4 Turn the mains supply on at the source.
