Arctiko SF SERIES Bedienungsanleitung
Service Manual
SF MODELS
*
*
*
o
SF 150 / 500
i
i
2
HC
HC
5b.
5c.
5d.
5e.
5f.
1. Working safety
This page provides general safety information for servicing the freezer.
The instruction manual includes additional information about security and cleaning of freezer.
1.1 General safety
To prevent personal and equipment damage, the electrical safety / legislation of your country must
be observed.
1. Never expose the moving parts of the plant to physical overload.
2. When repairing plant parts, safety concerns must be respected.
3. When using tools, spare parts and equipment, the existing security concerns must be
met.
4. Maintenance procedures described in this manual must only be performed by trained
personnel.
1.2 Electrical safety
Maintenance procedures may imply a voltage hazard. Follow existing safety instructions, including
the low voltage and current EU directives and other derectives of your country.
Always disconnect the power to the unit before repair or parts replacement is initiated.
Use only electrical equipment which is designed for the freezer.
1.3 Chemical and biological safety
Always observe the requirements for safe handling, as described below.
Read the instruction manual before using, cleaning and servicing the freezer.
Wear eye protection and gloves when working with refrigerants.
Skin contact with liquid refrigerants may cause frostbite.
Good ventilation and air extraction at the work area is required.
Stay in environments with high concentrations of refrigerant vapors is harmful.
Low concentrations may cause narcotic effects.
Symptoms of this may include: headache, shortness of breath, nausea and diff culties in
concentration. Possibly: Mobility / consciousness.
Read the safety data sheet section 5d.
3
4
2. Information about the freezer
2a. General information about the freezer
Door handle with lock
Backside
Sublids
Castors Controller Dixell XR30CX
Motor compartment
Condenser
Porthole
5
When contacting the supplier it is important to inform the model and serial number.
The label plate is located behind the front panel in the engine compartment.
For technical problems: See troubleshooting schedule (3b).
Label plate located on the device.
2b. Controller Dixell XR30CX
The controller is located in the lower right corner on the front of the freezer.
Model Voltage/Hz Temp.range Refrigerant/Filling Serial no.
Alarms:
High / low temperature (adjustable)
Power failure
Sensor error
Memory error (Eprom)
Digital display.
Adjustable high / low temperature.
Visual and audible alarm.
Contact for remote alarm.
48 hour battery backup during power
failure.
Manual defrosting. See section 4e.
See section 5 for:
Datasheet for Dixell XR30CX. See 5e.
Settings. See 5f.
Wiring diagram. See 5a.
Datasheet for commpressor. See 5c.
Spare parts list. See 5b.
SF 500
SF 500
6
*) Power consumption is monitored over time for each element. Pt. no values.
3. Troubleshooting / Repair
3a. General operating problems
Malfunction of the device, which can arise from improper handling of the device:
Moving or long periods of inactivity of the unit:
When moving or after long periods of inactivity, you must wait 1-2 hours before the freezer is
started.
Loading the freezer
When loading large quantities of items into the freezer, the temperature will rise temporarily.
Repeated lid openings
In case of repeated lid openings, leaks or faulty gaskets, the humidity will cause rime and possibi-
lity of ice formation inside the device and around the lid / sublids.
Component failure occurred during operation
Use the troubleshooting table section 3b.
2c. Model information
Model SF 150 SF 500
Temp. range °F
Max. ambient temp. °F
Power supply (V)
Frequency (Hz)
AMP (A)
Power consumption
(KWh/24h)
Power (KW/Hp)
No. of compressors
Refigerant/filling (gram) HC / see label plate
-40/-60 -40/-60
25 20
60
1
3,6
6,6 6,6
*)
Temp. range °C
Max. ambient temp. °C
-40/-76 -40/-76
77 68
120 120
60
3,6
*)
1
HC / see label plate
7
Problem Cause Recommended
equipment
Troubleshoo ng Ac on
The unit does not
freeze and the
compressor does
not start.
The socket or
fuse is defect.
Universal
instrument
test Lamp
Check the instal-
la on.
New fuse / plug.
Power cable is defect. Check power
cables
and wiring in the
engine compart-
ment.
Repair errors. Con-
sider using wiring
diagram sec on 5
The controller is defect. Change controller
The sensor is defect. Test sensor. See sec on 3n
Faulty windings in
compressor.
Test compressor
windings.
See sec on 3k
Start relay defect. Test start relay. See sec on 3m
Fault in electrical instal-
la on.
Use wiring-dia-
gram.
See sec on 5
The unit does not
freeze. The com-
pressor tries to
start, but fails.
Low voltage
Voltmeter Check voltage Find the cause.
Defect or faulty start
relay/capacitor.
See sec on 3m See sec on 3m Change start relay/
capacitor
Defect compressor
windings.
Ohmmeter Check for electrical
failure in the com-
pressor.
Change the compr.
See sec on 3f
Defect rotor (compres-
sor failure)
Change the compr.
See sec on 3f
High pressure in the
cooling system.
Tapping valve
Manometer
Filter
Open the system
and rinse the sy-
stem with nitrogen.
Remove 5cm of
the capillary tube.
Change lter.
See sec on 3e
The unit has been
transported horizon-
tally.
The unit must rest
a few hours before
start.
Ambient temp. low.
Compr.oil too cold.
Eksternal thermo-
meter.
Check the temp. Find a be er place-
ment.
May be general, if the
ven la on is not suf-
cient.
Ambient temp. high.
Eksternal thermo-
meter.
Thermometer
Check, that the
compressor not
exceeds 70°C.
Check ambient
temp.
Find a be er pla-
cement or ven la-
on.
Find a be er pla-
cement or ven la-
on.
3b. Troubleshooting schedule
8
3b. Troubleshooting schedule
melborP Cause Recommended
equipment
Troubleshoo ng Ac on
The compressor
runs constantly.
The unit freezes
normal or colder.
The sensor is in-
correctly installed.
Sensor is defect.
Controller is dama-
ged.
Icing on the frame. Check the door for
leaks.
See sec on 4a.
The temperature is
set too low.
Check the se ngs
in the controller.
Set new values.
See sec on 5f.
The compressor
starts normally,
but stops again.
Too high voltage. Voltmeter Meassure the vol-
tage.
Inform.
Too high ambient
temperature.
external thermometer Check the tempe-
rature and ven la-
on.
Be er placement
or ven la on.
The unit cools too
much, too li le or
not at all.
The compressor
may run con -
nuously.
Leakage in the sy-
stem.
Electronic leak-seeking,
soapy water, leak se-
eking spray.
First check the solder
points, comp,
capacitor, etc.
See sec on 3.
The fan is not run-
ning.
Voltmeter Check for errors. Replace the fan.
See sec on 3p.
The evaporator is
blocked by ice.
The unit cools too
much or not at all.
Compressor run-
ning constant.
Li le or no com-
pressor
capacity.
service valve
Manometer
Mount the valve
and check pressure.
Change compres-
sor.
See sec on 3f.
Insucient
cooling.
The device has
recently been l-
led up with a large
amount of heat.
Inform the user.
In addi on, tem-
perature of the air
is too high.
external thermometer Check temperature. Find be er ven la-
on or placement.
In addi on, the air
temperature is too
low.
external thermometer Check temperature. Find be er ven la-
on or placement.
9
Examples of troubleshooting with a manometer connected to the process piping of the cooling sy-
stem. The system is blocked:
Suction pressure is very low.
Pressure equalization takes place very slowly or not at all.
Reason: Icing or dirt in the capillary tube or lter, or blockings in the system due to other reasons.
Reason: No compressor capacity
The suction pressure is too high.
The suction pressure does not change noticeably when the compressor stops.
This can be tested with a volumetric meter.
Leakage in the system
The pressure gauge indicating insufcient suction pressure.
On the pressure side the temperature increases.
Pressure equalization time is short.
Countervailing pressure is lower than expected.
Be sure that the pressure is sufcient for a pressure test.
10
3c. Opening of the cooling system
To prevent moisture from penetrating under repair, the system must not be open for more
than 15 minutes.
Prepare spare parts components before the system is opened.
The new connector is soldered to a tube with valve.
Verify that the new filter packaging is intact and that the filter is not damaged.
If the packaging has been broken for a longer period, the filter will bee moist.
3d. Evacuation of the refrigerant
It is recommended that the compressor is running at least 25 min. before refrigerant eva-
cuation is undertaken. This ensures that the system is hot, so that the refrigerant easier can
be pulled out of the compressor oil.
A drilling tongs with valve is placed on the process pipe.
The refrigerant is evacuated.
Install a valve on the pressure tube and process pipe.
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