S709/8
ELECTRICAL
8. Remove the covers from the 220/240V supply and the external
pulse output connection junction boxes.
9. Connect a constant 220/240V AC 50 Hz supply, fused at 16
amps, to the terminal block in the 220/240V supply junction box
as shown on the wiring details diagram.
NB: The Alpha pump for AdBlue® must have a continual
220/240V AC supply, even when not in use
10. If the Alpha pump for AdBlue® is to be operated in conjunction
with a key/card system, remove the link in the 220/240V supply
junction box (shown on the Alpha AdBlue® Installation Wiring
Details) and connect so that the control system makes and
breaks the connection.
Make connection -
Pump on
Break connection -
Pump off
Alternatively remove the link and connect a switched live supply
(230V AC 16A max.) to terminal 4 (shown on the Alpha pump for
Adblue® Installation Wiring Details)
Live supply switched on -
Pump on
Live supply switched off -
Pump off
11. A pulse output for connection to key/card systems is available
from the pair of terminals located in the separate pulse output
connection junction box. This is a passive contact giving 10
pulses per litre. Contact ratings are as follows:
Maximum current -0.25 amps
Maximum voltage -50 volts
Maximum power -5 VA
