Manitowoc MULTIPLEX 11M Specifikace stáhnout pdf (Strana 70)

Multiplex Company, Inc.

Component Parts Workbook

00218011 Revision B (KAK) 31 July, 2000

Service Bulletin

MOVs field testing

Metal Oxide Varistors installed on the water and carbonated water buttons, on McDonalds style

dispensing towers, are designed to completely absorb electrical spikes keeping them out of the

microprocessor circuit eliminating complaints of:

w Not holding calibration

w Valves flowing by themselves

w Two valves coming on at the same time, etc.

Multiplex has designed a field test procedure that will expose a faulty MOV. This procedure will

also work on the older style capacitors.

The field test procedure:

Depress

separately both the water and soda water button rapidly 5-6 times. While doing this,

watch all other valves. If you notice any dripping or any other valve trying to energize, the MOVs

need to be replaced.

Note: Factory installed MOVs have heat shrink tubes on each terminal leg. Always check to make

sure that heat shrink has not slipped down and is insulating the MOV leg inside the terminal connec-

tor.

Notes:

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Manitowoc MULTIPLEX 11M Specifikace Strana 70