WM 90
ELECTRICAL COMPONENTS
8 Contactor ( onlx 3-phase machines)
The heater contactor is controlled by the level switch, and interrupts the line
connections to the heaters.
9 Door lock
The door lock is electric and the power must be turned on. The timer must also be
in one of the four positions for opening, on the scale. No water in the cylinder and
the cylinder must have stoped. Pressing the pushbutton operates a solenoid
which releases the door catch. The door can be opened in an emergency. By
inserting a screwdriver about 1 cm into the hole to the left of the glassdoor and
pressing upwards. A microswitch fitted beside the door-opening solenoid
interrupts the power supply to the machine when the door is open.
10 RFI suppression
RFI suppressions are fitted in accordance with international
requirements.
11 Wiring
The internal wiring in the machine is 1,5 mm
2
for heater connections, 1,0 mm
2
or 18 AWG for earth connections and 0,5 mm
2
or 0,75 mm
2
for others.
12 Supply cord
The supply cord must be an RKK 3x1,5 mm
2
or 5x1,5 mm
2
cable
Wiring diagram and timer diagram are provided with the machine.
Power supgly alternatives
Poweralternative are:
1 phase, 230 V 10 A
1 phase, 230 V 16 A
3 phase, 400 V 10 A
The necary changes are made directly on the terminal block. See the
instructions.
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