SER
VICING
71
PULSE Installation, Commissioning and Servicing Manual - Revision 19
PE
PE N L
R1 R2 R3 R4 R5
Mains Supply
230/240 VAC, 10A, 50Hz
PE
Mains Earth
N
Neutral
L
Live/Phase
STP Control
Relays (L)
R4,R5
R1,R2,R3
Dispenser
Single Phase Pump
Mains Supply
230/240 VAC, 16A, 50Hz
PE
Mains Earth
N
Neutral
L
Live/Phase
PE
PE N L
6
1 2 3 4 5
PE
Communications
PE 1 2 3 4 5 6
2 Wire Pump Comms
+ -
Vapour Recovery
dG
dA dB SP SN
Dispenser, Single Phase Pump
Figure 36� Mains Connections
Figure 37� Comms Connections
10.3 Junction Box Wiring Diagrams
As shown in Figure 34 the mains power supply connector block varies between a dispenser,
and a single phase pump.
POS cabling is connected into a common connector block as shown in Figure 37.