Operation Manual

External dispenser pumps
78
18.2 Electrical connection
IMPORTANT maximum current drain at the connector strip: 0.5 A.
 Connect the external dispenser pump to the 5-pin plug.
Terminals (arranged from top to bottom)
Terminal Voltage is on Condition Restriction
L1
Continuous voltage
N
Rinse (O18)
parallel to solenoid valve (O7)
 while the machine is filling.
 during rinsing.
P709 = 0
a)
c)
Wash (O20)
while the circulating pump is running a) c), d), e)
Fill / Water
(O17)
while the machine is filling.
P704 = 0
a), b)
parallel to solenoid valve (O7)
 while the machine is filling.
 during rinsing.
P704 = 1
a)
c)
a) Hood / door closed
b) Minimum water level in the tank
c) Not in the self-cleaning programme
d) Not while the machine is filling
e) Not in descaling or basic cleaning programme
The parameters P704 and P709 control when a voltage is present at the Fill/Water and Rinse terminals.
Possible settings
P704 Use
0 for dispenser pumps installed outside the machine
1 for dispenser pumps installed outside the machine
2 for dispenser pumps installed outside the machine
3 for internal dispenser pumps
P709 Use
0 for dispenser pumps installed outside the machine
1 not used
2 for dispenser pumps installed outside the machine
3 for internal dispenser pumps