External dosing devices
38
Right view (UF-M)
Pos. Designation
4
Dosing point for detergent (left) and defoamer (right)
16.2 Electrical connection
IMPORTANT
maximum current drain at the transfer strip: 0.5 A.
Connect the external dosing device to the 5-pin plug.
Terminals (arranged from top to bottom)
Terminal
Voltage is on
Condition
Restriction
Setting
L1
continuous voltage
N
RINSE
(O18)
parallel to solenoid valve (O7)
while the machine is filling
during rinsing
a)
c)
P709 = 0
WASH
(O20)
while the circulating pump is
running
a)
c), d), e)
FILL
(O17)
while the machine is filling
a), b)
P704 = 0
parallel to solenoid valve (O7)
while the machine is filling
during rinsing
a)
c)
P704 = 1
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.
