Manitowoc QD0672C Specifications download pdf (Page 44)

Maintenance Section 4

4-6

Part No. 80-1175-3, 6/03

AUTOMATIC CLEANING SYSTEM (AuCS



)

This accessory monitors ice making cycles and initiates

cleaning (or sanitizing) procedures automatically. The

AuCS



Accessory can be set to automatically clean or

sanitize the ice machine every 2, 4, or 12 weeks.

Periodic maintenance must be performed that includes

cleaning of sanitizing the bin (or dispenser) and adjacent

surface areas, which cannot be contacted by the water

distribution system.

Automatic Operation

The following occurs when the toggle switch is in the ICE

position:

• The ice machine control board counts the number of

ice harvest cycles.

•The AuCS



accessory interrupts the ice making

mode and starts the cleaning (or sanitizing) mode

when the harvest count equals the “Frequency of

Cleaning” setting of the AuCS



• When the automatic cleaning (or sanitizing) cycle is

complete (approximately 25 minutes), ice making

resumes automatically, and the “Harvest Count” is

reset to zero.

Manual Start Operation

Step 1 Set the toggle switch to the OFF position after

ice falls from the evaporator at the end of a Harvest

cycle. Or, set the switch to the OFF position and allow

the ice to melt off the evaporator.

Step 2 To start the automatic cleaning system, move

the toggle switch to the CLEAN position. The water will

flow through the water dump valve and down the drain.

The Clean light will turn on to indicate the ice machine is

in the Self Cleaning mode. The AuCS



then

automatically adds cleaner or sanitizer to the ice

machine.

Step 3 The ice machine will automatically time out a

ten minute cleaning or sanitizing cycle, followed by six

rinse cycles, de-energize the Clean light and stop. This

entire cycle lasts approximately 25 minutes.

Step 4 After the cleaning or sanitizing cycle stops,

move the toggle switch to ICE position.

Step 5

A. The ice machine may be set to start and finish a

cleaning or sanitizing cycle, then automatically

start ice making again.

B. You must wait about one minute into the

cleaning cycle (until water starts to flow over the

evaporator), then move the toggle switch from

CLEAN to ICE position.

C. When the cleaning or sanitizing cycle is

completed, the clean light will turn off and an ice

making sequence will start automatically.

Caution

Refer to the AuCS



Accessory Installation - Use

and Care Manual for complete details on the

installation, operation, maintenance and cautionary

statements of this accessory.

Important

Opening the curtain switch will interrupt the cleaning

or sanitizing sequence. The sequence will resume

from the point of interruption when the curtain re-

closes.

Caution

Never use anything to force ice from the evaporator.

Damage may result.

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Manitowoc QD0672C Specifications Page 44

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