Sharp CS-2800 Operating instructions

GB
CS and FS refrigeration units
with electronic control
Typ SE
Operating manual
5237210-11 GB
Please read carefully the following prior to beginning work on the refrigeration unit:
Assembly, maintenance, cleaning and repair may only be
done by companies specialising in refrigeration technology.
Technical changes and manipulation are prohibited.
Work on the refrigeration unit may only be carried out if the plug
is removed from the power supply. Suitable warnings must be
posted to prevent the refrigeration unit from being restarted
while work is in progress. The regulations of VDE 0105 Part 1 - for
work on electrical equipment must be observed.
In case of non-compliance our guarantees are void.
General notice (liability): the details of this technical documents serve for description. Consents regarding the availability of certain features or
regarding a certain purpose always require a special written agreement.
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Table of contents
1.
General notes
1.1
Refrigeration unit
FS0900SE, FS1200SE, FS1400SE, FS1800SE, FS2400SE,
FS0900-, FS1200-, FS1400-, FS1800-, FS2400 Split
Refrigeration unit
CS0500SE, CS0900SE, CS1300SE, CS2000SE, CS2800SE,
CS0900-, CS1300-, CS2000-, CS2800 Split
1.2
2.
Conditions of guarantee
3.
Area of installation
4.
Energy savings
5.
Standards and regulations
6.
Emergency operation
11.
Control and display elements
12.
Function of the operating buttons
12.1
12.2
Setting/programming coldroom temperature
Setting/programming defrosting and ventilator
running time of the evaporator
13.
Operation of the regulator
13.1
13.2
13.2.1
13.2.2
13.2.3
13.3
13.4
Setting the coldroom desired temperature
Programming mode
Defrost cycle
Defrost time
Relative humidity
Manual initiation of defrosting
Deactivating cooling unit
14.
Problems
Error codes
Trouble shooting
Trouble shooting (continued)
7.
Defrosting
14.1
14.2
14.3
8.
Serial interface
15.
Recommended storage temperatures for coldrooms
8.1
Door contact switch
16.
Recommended storage temperatures for
deep-freezers
9.
Cleaning and maintenance of the refrigeration unit
10.
Disposing of refrigerant
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Contents
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1.
General notes
1.1
Refrigeration Unit
FS0900SE, FS1200SE, FS1400SE, FS1800SE, FS2400SE,
FS0900-, FS1200-, FS1400-, FS1800-, FS2400 Split
3.
- The area of installation must be well ventilated and
may not be heated.
- Direct heat radiation on the cooling unit must be
avoided. This could result in higher consumption.
- For economical operation the ambient temperature
should be between +5°C and +25°C.
- There must be sufficient space in front of the
ventilation openings to guarantee proper ventilation:
at least 250 mm in front of all suction and exhaust
openings.
The units are designed for cooling of refrigeration rooms in
which goods are stored between -25°C and -1°C.
1.2
Refrigeration Unit
CS0500SE, CS0900SE, CS1300SE, CS2000SE, CS2800SE,
CS0900-, CS1300-, CS2000-, CS2800 Split
4.
The units are designed for cooling of refrigeration rooms in
which goods are stored between +19°C and -2°C.
2.
Energy savings
- Do not install cooling unit near any source of heat;
high ambient temperatures cause the cooling unit to
switch on too often.
- Direct sunlight increases energy consumption.
- Avoid unnecessary and long opening of the door.
- Monitor storeroom temperature.
- Clean cooling unit regularly. Clean equipment saves
energy and increases useful life.
- Observe cleaning intervals (see section “Cleaning and
maintenance of cooling unit”).
- Regular maintenance prolongs product life.
Conditions of guarantee
- The guarantee is valid for 1 year. It begins upon delivery
as shown by the delivery note or invoice.
- Within the period of guarantee, defects resulting from
poor workmanship or material problems will be repaired
free of charge.
- Other claims, in particular for follow up damages, are
excluded.
- Damage and functional problems caused by improper
handling or non observation of operating instructions, are
not covered by guarantee.
- The guarantee is invalidated if the cooling circulation
system is opened by unauthorized personnel, if there is
interference in the system, or if the serial number on the
machine is changed or rendered unreadable.
Area of installation
5.
Standards and regulations
At the time of its production, the cooling unit was
manufactured and inspected according to valid
standard and regulations.
It corresponds to the following guidelines, among
others: BGR 500 Kapitel 2.35, DIN EN 378,
DIN EN 50178
The equipment was tested in the plant for proper
sealing of the cold circulation system.
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6.
- The condenser and evaporator can be cleaned with a
soft brush, compressed air or, in case of oil residues,
with a high pressure cleaner. Do not use any sharp or
pointed objects. The fins should not be bent or
damaged during cleaning.
Emergency operation
lf the regulator stops operating, the cooling unit can
continue to operate on an emergency basis. After removal
of the front panel, the regulator is accessible. By activating
the flip switch, the output for the compressor and the
ventilators is bridged.The unit is then in permanent
operation.The function of the pressostat as a safety device
is maintained.
By courtesy of intensive contamination with solvents or
outgasing synthetics natural discolorations can appear
on the SilverProtec surface. These are unproblematicly
removable with common purifiers based on oxygen or
with bleaching agents with a reaction time conforming
to the gravity of discoloration. The purifiers Vanish
Oxiaction from Hoffmanns or Sil OXIperfect from Henkel
perform well. Both products are available in trade. For
the cleaning of vertical areas on which the sprayed
purifier would slide down without a reaction time, we
recommend to spray the purifier on a cleaning rag and
then press it slightly on the discoloured spot so that the
rag doesn‘t slip off. Remove the rag after the reaction
time and wipe the treated spot again.
Important!
Emergency operation must be monitored, since the
coldroom temperature is not regulated.The coldroom
temperature must be adjusted manually by switching
of the power supply at intervals.
7.
Defrosting
Pay attention to the product information!
Automatic defrosting takes place automatically above +3°C.
10.
8.
lf the cooling unit has to be replaced by a new one, take
care not to damage the pipes on the cooling unit, to
ensure that no coolant is released.
The regulator has a 9-pole D Sub plug on the back of the
plate. The serial interface serves as a connection to the
remote control supplied optionally and is prepared for
connection to a central control unit.
8.1
Defective cooling units must be disposed of according
to environmental regulations and guidelines.
Door contact switch
lf the multiple pole plug of the unit is connected to a door
contact switch, the sliding switch on the regulator must be
placed in the position ‚with door contact switch. The switch
is accessible after removing the front cover.
9.
Disposing of refrigerant
Serial interface RS 232
without
Door Contact Switch
with
Cleaning and maintenance of the refrigeration unit
Attention!
Remove plug from power source during cleaning and
secure against reinsertion.
- The cooling unit should be inspected periodically after
beginning operation and, if necessary, cleaned.
Depending on requirements, the intervals between
inspection and cleaning have to be determined.The
cleaning intervals depend on the condition of the
surroundings.
Electronic regulator control after removal of front
cover.
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11.
Control and display elements
A = Light diode
B = Display
C = Stand by button
D = Increase value
E = Decrease value
12.
Function of the operating buttons
Unit is in Stand by Mode (Type of operation shown
by small light diode in the button). After the button
is pressed, the unit begins cooling operation.
12.1 Setting/programming coldroom temperature
The temperature setting is increased by pushing the
button for at least three seconds. A shorter push of
the button shows the current coldroom
temperature setting.
The temperature setting is decreased by pushing
the button for at least three seconds. A shorter push
of the button shows the current coldroom
temperature setting.
12.2 Setting/programming defrosting and ventilator
running time of the evaporator
Pressing the buttons simultaneously shows the
defrosting cycle, time for defrosting, and high and
low relative humidity.
Activating the
or
button can adjust the
values up or down (programming mode). Final
settings are saved by pushing the buttons again
simultaneously.
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13.
Operating the Regulator
On delivery the regulator is set to the following values:
13.2.3
Light diode relative humidity is flashing.
By pressing the
or the
button, the running
time of the evaporation ventilator can be set.
Defrosting cycle: 6 hours
Defrosting time: 20 minutes
Evaporation ventilator: level H2, ventilator runs
constantly
H1=
After switching on the
button, the cooling unit
begins operation and the coldroom temperature
appears on the display.
H2 =
The settings are guideline values and may have to
be adjusted to the conditions of the coldroom!
13.3
Manual initiation of defrosting
Setting the coldroom desired temperature
Switch cooling unit to stand by with the
button.
Press
and
button simultaneously and hold
down.
Switch on cooling unit by pressing the
button.
Defrosting will be initiated with the defrosting time
set.
Display light ‚Defrost‘ shows the defrosting operation.
During defrosting, the temperature setting of the
coldroom is displayed. Following that, normal cooling
operation is resumed.
When the
or the
button is pressed briefly, the
temperature setting of the coldroom is displayed.
To change these settings, the
or the
button
must be pressed for at least 3 seconds. On release of
the button, the temperature setting is saved and the
coldroom temperatures appears again on the display.
13.2
The evaporation ventilator runs together
with the compressor. Low relative humidity.
The evaporation ventilator runs constantly.
High relative humidity.
By simultaneously activating the
and the
button, the settings are saved and the next
programming step is initiated.
lf no button is pressed for 8 seconds, the values are
automatically saved and coldroom temperature is
shown again.
Attention!
13.1
Relative humidity
Programming mode
Simultaneously pressing the
and the
button
calls up the defrost cycle, defrosting time and relative
humidity.
13.4
Deactivating cooling unit
lf the unit is not used for a longer period of time or
maintenance and cleaning is necessary, the cooling
unit must be deactivated by pulling the plug. Short
deactivation of the cooling unit can be done by
pressing the
button (stand by mode).The cooling
unit is not disconnected from power source in stand
by mode.
13.2.1 Defrost cycle
Light diode defrost cycle (h) is flashing.
By pressing the
or the
button, the cycle time
can be increased or reduced by one hour. The time
can be between one and 24 hours.
Note:
13.2.2 Defrost time
All settings remain active after a power outage.
When power is returned the compressor resumes
operation after a delay of 3 minutes.
Light diode defrosting time (min) is flashing.
By pressing the
or the
button, the defrosting
time can be increased or decreased by one minute at
a time. lt can be set between 5 and 60 minutes.
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14.
Problems
In case of defects, the warning light will flash and an error
code will appear on the display.
lf the unit is not in cooling operation and not defrosting, the
defect reporting relay is interrupted. The report can be
transferred using the potential-free contact.
14.1 Error codes
F1: Short circuit in the temperature sensor
F2: Break in the temperature sensor
During failure of temperature sens ons and a nominal
temperature < 2°C, the compressor will continue to run
with the last running and stand by settings.
F3: The high pressure pressostat has been activated.
The pressostat switches the compressor off. lf the
pressure is too low, the compressor will be switched on.
The display will remain the same. It can be deleted by
pressing a switch.
F4: Temperatures are too low or too high.
This code appears when the temperature setting of
the coldroom has been exceeded by 7K for one hour.
By pressing the
or the
button, the coldroom
temperature will be shown. lf the temperature
deviation is still too great after one hour, the error
code will be shown again.
F5: Coldroom door has been open for more than
four minutes.
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14.2 Trouble shooting
Problem
Cause
Remedy
Refrigeration unit is not
running
Plug not inserted
Power supply interrupted
Regulator defective
Check plug and fuses.
If no problem is found, contact specialist.
Unit is constantly
running
Coldroom is filled to capacity.
Store less or at a higher temperature (observe
storage dates and shelf-life of stored goods).
There is too much in store or the goods
are too warm or the door of the
coldroom has been open too long.
Store less or allow warm goods to cool-off to
room temperature before storage.
The ambient temperature is too high.
Reduce ambient temperature.
Suction and exhaust vents are blocked
and the heat cannot be released.
Maintain minimum free space of 250 mm in
front of all openings.
Evaporator is dirty.
Condenser is dirty.
Clean fins with brush and vacuum cleaner.
Attention! Do not bend fins.
Door has been open too long.
Open door only for brief intervals.
Uncovered fluids are stored in the cell.
Cover fluids.
Defrosting cycles are not optimal.
Initiate manual defrosting (13.3).
If necessary, shorten the defrosting cycle (13.2.1) or,
if the evaporator is still icy after defrosting
cycle, extend defrosting time (13.2.2).
Unit runs constantly and
evaporator has ice
deposits
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14.3 Trouble shooting (continued)
Problem
Cause
Remedy
Alarm light is flashing
Error Code F1 in display
Short circuit in temperature sensor.
Replace temperature sensor.
Alarm light is flashing
Error Code F2 in display
Temperature sensor broken,
coldroom temperature >50°.
Replace temperature sensor.
Alarm light is flashing
Error Code F3 in display
High pressure Pressostat activated.
Check condensor for contamination and clean if
necessary. Check to see if condensing ventilator
is running. Reduce ambient temperature.
The display remains on, but can be deleted pressing a
button.
Alarm light is flashing
Error Code F4 in display
Coldroom standard temperature has
been exceeded or is too low.
Check evaporator for contamination and clean if
necessary. Check evaporator for icing and initiate
manual defrosting if required. Check if evaporator
ventilator is running. By pressing the increase or
decrease button, coldroom temperature will be
shown again. If the temperature deviation is still
too high after one hour, the error code will be
shown again.
Alarm light is flashing
Error Code F5 in display
Door contact switch is not connected.
Coldroom door has been open for
more than four minutes.
Put sliding switch on the control panel into the
position without door contact switch. Close door.
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14.3
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15.
Recommended storage temperatures for coldrooms
(recommended standard values)
Stored Goods
Temperature
in °C
16.
Relative
Humidity
in %
Recommended storage temperatures for deep-freezers
(recommended standard values)
Stored Goods
Meat
Temperature
in °C
Relative
Humidity
in %
Meat
Fresh meat
-1/+1
85 - 90
Frozen meat
-15/-18
85 - 90
Cooked sausage
+1/+3
80 - 85
Frozen offal
-15/-18
85 - 90
Fresh poultry
-1/+1
85 - 90
Fresh bacon
-18/-22
Fresh venison
-2/+2
70 - 85
Sausage
-18
Venison
-12/-18
80 - 90
-12
85 - 90
Fish
85 - 90
90
Fish, fresh from ice
0/+1
90 - 100
Cleaned poultry
Conserved fish
0/+1
75 - 80
Fish
Frozen, oily fish
-23/-25
90 - 95
0/+2
80 - 85
Frozen, lean fish
-20
90 - 95
-1/+4
75 - 80
Frozen filets
Soft cheese
0/+2
80 - 85
Dough
Swiss cheese
+2/+4
70
Bread
Milk and dairy products
Milk
Butter
Vegetables
-23/-25
90
-18
90
Rolls
-18/-20
Lettuce
0/+1
85 - 90
Cake
-18
85 - 90
Cauliflower
-1/0
90
Small cakes, cookies
-18
85 - 90
Ripe tomatoes
0/+1
80 - 90
Cream cakes
-18
85 - 90
Spinach
Cucumbers
Asparagus
-1
90
0/+4
85
Butter, long-term
-10/-20
80 - 85
85 - 90
Frozen vegetables
-18/-23
85
Fruit
-23/-25
80 - 90
+1
Fruit
Apples
-1/+3
90 - 95
Pears
-1/+2
85 - 90
Cherries
-1/+1
90
Strawberries
-1/+1
90
+12
85
Bananas
80
Values taken from ‚Pohlmann‘,
Pocketbook on Refrigeration Technology, Vol. 2;
Breidenbach, Refrigeration Specialist Vol. 1
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Viessmann Kältetechnik GmbH
Schleizer Straße 100
95030 Hof/Saale
Germany
Phone +49 (0) 92 81/ 81 4 - 0
Fax
+49 (0) 92 81/ 81 4 - 2 69
kaeltetechnik@viessmann.de
www.viessmann-kaeltetechnik.de
Your responsible refrigeration service:
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