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2. How to Change the Setpoint
1. Hold the SET key for more than 2 seconds to change the set point value.
2. The value of the set point will be displayed and the
3. To change the set value, push the
4. To set new point value, push the SET key again or wait 10 seconds.
3. How to Start a Manual Defrost
1. Hold the
key for more than 2 seconds and a manual defrost will start.
4. How to Lock the Keyboard
1. Hold the
and
keys for more than 3 seconds.
2. The "POF" message will be displayed and the keyboard will be locked. At
this point, it will be possible only to see the set point or the MAX or MIN
temperature stored.
3. If a key is pressed for more than 3 seconds, the "POF" message will be
displayed.
5. How to Unlock the Keyboard
1. Hold the
and
keys together for more than 3 seconds, until the "POF"
message is displayed.
ALARM SIGNALS
How to See the Alarm and Reset the Recorded Alarm
1. Push the
or
key to display the alarm signals.
2. When the signal is displayed, hold the SET key until the "rst" message is
displayed. Push the SET key again. The "rst" message starts blinking and the
normal temperature will be displayed again.
MESSAGE
CAUSE
"P1"
Room probe failure
"P2"
Evaporator probe failure
"HA"
Maximum temperature alarm
"LA"
Minimum temperature alarm
"dA"
Door open
"EA"
External alarm
"CA"
Serious external alarm (i1F=bAL)
"CA"
Pressure switch alarm (i1F=PAL)
MAINTENANCE
DANGER:
THE POWER MUST BE TURNED OFF AND THE UNIT DISCONNECTED FROM
THE POWER SOURCE WHENEVER PERFORMING SERVICE, MAINTENANCE
FUNCTIONS OR CLEANING THE REFRIGERATED AREA.
DANGER:
NEVER USE A HIGH PRESSURE WATER WASH FOR THIS CLEANING
PROCEDURE AS WATER CAN DAMAGE THE ELECTRICAL COMPONENTS
LOCATED NEAR OR AT THE CONDENSER COIL.
DANGER:
NEVER USE STEEL PADS, WIRE BRUSHES OR SCRAPERS!
CAUTION: NEVER USE AN ACID BASED CLEANING SOLUTION！MANY FOOD PRODUCTS
HAVE AN ACIDIC CONTENT WHICH CAN DETERIORATE THE FINISH. BE SURE
TO CLEAN THE STAINLESS STEEL SURFACES OF ALL FOOD PRODUCTS.
REFRIGERATORS AND FREEZERS
The interior and exterior can be cleaned using soap and warm water. If this isn't
sufficient, try ammonia and water or a nonabrasive liquid cleaner. When cleaning
the exterior, always rub with the "grain" of the stainless steel to avoid marring
the finish.
4
GLASS DOOR MERCHANDISER
LED starts blinking.
or
key within 10 seconds.
OUTPUTS
Compressor output according
to par. "Con" and "COF"
Defrost end is timed
Outputs unchanged
Outputs unchanged
Compressor and fans restarts
Output unchanged
All outputs OFF
All outputs OFF
Do not use an abrasive cleaner because it will scratch the stainless steel and
plastic and can damage the breaker strips and gaskets.
CLEANING THE CONDENSER COIL
The condenser coil requires regular cleaning. Recommended cleaning is every
90 days. In some instances, you may find that there is a large amount of debris
and dust or grease accumulated prior to the 90 day time frame. In these cases
the condenser coil should be cleaned every 30 days.
If the build up on the coil consists of only light dust and debris, the condenser
coil can be cleaned with a simple brush. Heavier dust build-up may require a
vacuum or even compressed air to blow through the condenser coil.
If heavy grease is present, there are de-greasing agents available for refrigeration
use and specifically for the condenser coils. The condenser coil may require a
spray with the de-greasing agent and then blown through with compressed air.
Failure to maintain a clean condenser coil can initially cause high temperatures
and excessive run times. Continuous operation with dirty or clogged condenser
coils can result in compressor failures. Neglecting the condenser coil cleaning
procedures will void any warranties associated with the compressor or cost to
replace the compressor.
In order to maintain proper refrigeration performance, the condenser fins must
be cleaned of dust, dirt and grease regularly. It is recommended that this be
done at least every three months. If conditions are such that the condenser is
totally blocked in three months, the frequency of cleaning should be increased.
Clean the condenser with a vacuum cleaner or stiff brush. If extremely dirty, a
commercial-grade condenser cleaner may be required.
STAINLESS STEEL CARE AND CLEANING
To prevent discoloration of rust on stainless steel several important steps need to
be taken. First, we need to understand the properties of stainless steel. Stainless
steel contains 70-80% iron which will rust. It also contains 12-30% chromium
which forms an invisible passive film over the steels surface which acts as a
shield against corrosion. As long as the protective layer is intact, the metal is still
stainless. If the film is broken or contaminated, outside elements can begin to
breakdown the steel and begin to form rust of discoloration. Proper cleaning of
stainless steel requires soft cloths or plastic scouring pads.
Cleaning solutions need to be alkaline based or non-chloride based. Any cleaner
containing chlorides will damage the protective film of the stainless steel.
Chlorides are 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.
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 stainless
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 begun, clean thoroughly and start to apply stainless steel cleaners in
attempt to restore the passivity of the steel.
GASKET MAINTENANCE
Gaskets require regular cleaning to prevent mold and mildew build up and also
to keep the elasticity of the gasket. Gasket cleaning can be done with the use of
warm soapy water. Avoid full strength cleaning products on gaskets as this can
cause them to become brittle and prevent proper seals. Do not use sharp tools
or knives to scrape or clean the gasket which could possibly tear the gasket and
rip the bellows.
Gaskets can easily be replaced and don't require the use of tools or authorized
service technicians. The gaskets are "Dart" style and can be pulled out of the
grove in the door and replaced by pressing the new one back into place.
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