External dispenser pumps
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
L1
N
Rinse (O18)
Wash (O20)
Fill / Water
(O17)
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 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 internal dispenser pumps
78
Voltage is on
Continuous voltage
parallel to solenoid valve (O7)
while the machine is filling.
during rinsing.
while the circulating pump is running
while the machine is filling.
parallel to solenoid valve (O7)
while the machine is filling.
during rinsing.
Condition
Restriction
P709 = 0
c)
a)
a)
c), d), e)
P704 = 0
a), b)
P704 = 1
a), b)