Duke RUF 48 Installatie- en bedieningshandleiding - Pagina 6

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Installation and Operation of: Refrigerated Counter RUF48 Digital

OPERATION – Location of Controls

The refrigeration control/temperature setting adjustment is located on the back splash. This is the only user adjust-

able component on the unit.

OPERATION – Operating Procedure

Press and hold the (i) button to display setpoint. Keep (i) button pressed and use the up/down arrows to adjust

setpoint. When the (i) button is released, the new setpoint is stored. To exit from the setup, press the power button or

wait 30 seconds. Display will display "dEF" while unit is in defrost mode. Check the cooling speciﬁcations required for

the products/goods to be stored.

Figure. 4

MAINTENANCE – Stainless Steel Care & Cleaning

To prevent discoloration or rust on stainless steel several important steps need to be taken. Stainless steel contains

70-80% iron which will rust. It also contains 12-30% chromium which forms an invisible passive ﬁlm over the steels sur-

face which acts as a shield against corrosion. As long as the protective layer is intact, the metal will not corrode. If the

ﬁlm is broken or contaminated, outside elements can begin to breakdown the steel and begin to form rust or discolor-

ation.

Proper cleaning of stainless steel requires soft cloths or plastic scouring pads.

CAUTION: Never use steel pads, wire brushes or scrapers.

Cleaning solutions need to be alkaline based or non-chloride cleaners. Any cleaner containing chlorides will damage

the protective ﬁlm of the stainless steel. Chlorides are also commonly found in hard water, salts and household and

industrial cleaners. If cleaners containing chlorides are used, be sure to rinse repeatedly and dry thoroughly upon

completion.

Routine cleaning of stainless steel can be done with soap and water. Extreme stains or grease should be cleaned with

a non-abrasive cleaner and plastic scrub pad. It is always good to rub with the grain of the steel. There are also stain¬-

less steel cleaners available which can restore and preserve the ﬁnish of the steels protective layer.

Early signs of stainless steel breakdown can consist of small pits and cracks. If this has be¬gun, clean thoroughly and

start to apply stain¬less steel cleaners in attempt to restore the passivity of steel.

OPERATION

Refrigeration control / Temperature display

Use a simple thermometer to set to a speciﬁc temperature.

Allow time for temperature changes before making a ﬁnal

temperature check.

MAINTENANCE

Figure. 3