CORPORATE PRESENTATION
Maintenance and Repair Presentation: MF 114/214/314
Vestfrost Solutions
CORPORATE PRESENTATION
Topics
1.Overview of MF
2.General requiredmaintenance
3.Vital components
4.Warning
5.Requiredbasic Tools
6.Replacementof components
7.Troubleshooting
8.On site Checklist
CORPORATE PRESENTATION
Overview of MF 114/214/314
Vaccine/waterpacksfreezer:
WHO PQS ApprovedCodes
▪E003/024 -MF 114
▪E003/025 -MF 214
▪E003/023 -MF 314
▪+43°C Hot zone
▪ISO 9001, 14001/18001 OHAS
Technical specifications:
▪CompressorSecop NLE 9KTK (MF114/214)
▪CompressorSecop HXK 12AT (MF314)
▪RefrigerantR600a
▪Galvanized, pre-paintedcabinet
▪Inner-lining, pre-paintedaluminum
▪Insulationcyclopentane
▪Automatic temperature control
▪Voltage220-240V 50/60Hz
▪Voltage115V 60Hz (Option)
▪Lock and key
CORPORATE PRESENTATION
General requiredmaintenance
DailyCheck:
Monitor Temperature
Internallid is placedproperly
Lid fitsand locktightto cabinet
Lid gasketnot faulty
Weeklymaintenance:
Check Freezer compartment is clean and without a
thick layer of ice (less 0,5cm)
Defrost if needed
Monthly:
Cleangrille for compressorcompartment
Clean condenser coils
Yearly:
Check electricalconnectionsand components
CORPORATE PRESENTATION
Warning!
Beforeanyrepairjob beawareof following!
WARNING:
Before servicing or cleaning the appliance, disconnect it from
power source.
WARNING:
Danger risk of fire or explosion. Flammable refrigerant used.
To be repaired only by trained personnel.
CORPORATE PRESENTATION
1.Motor Compartment
2.Thermostat
3.Thermostatsensor
4.StartingDevice
5.Thermometer
6.Adjustmentof lid
Replacement of components
CORPORATE PRESENTATION
Motor Compartment
How to getacces to the
motor compartment.
▪Usea screwdriverto
unlockall 7 clamps
▪Unluckall 7 clamps
▪Gentlypullthe
compressorgrille
▪Video
CORPORATE PRESENTATION
Thermostat Replacement
1: Control
board
3: Usea socket
wrench
Size13mm to
unscrewthe
fixingnut
2: Use a
screwdriver to
gently remove
the plastic
cover dial
4: The thermostat
is placedin the left
corner of the
compressor
compartmenton
the terminal
bracket
CORPORATE PRESENTATION
Thermostat Replacement
6: The
thermostat is
to the right of
the
thermometer
7: Remove the
thermostat
from the
bracket inside
the compressor
compartment
CORPORATE PRESENTATION
Thermostatsensor replacement
1: The
thermometer
sensor is placed
inside appliance
on the front
inner-lining
2: Thermostat
sensor is fitted
into the white
cable holder
3: Gentlypull
the thinwhite
thermostatwire
untilthe probe
is visible
4: Remove the
wire sealing and
the sensor from
the cable holder
CORPORATE PRESENTATION
Thermostatsensor replacement
3. In
compressor
compartment,
remove black
sealant
4. Gentlypullthe
White wireuntil
theprobeisvisible
7. The
thermostat
sensor comes
with probe,
wire and
cable socket
6. Unplug the
sensor wire
from the
thermostat
CORPORATE PRESENTATION
7: IMPORTANT!
When re-mounting
the new
thermometer
remember to
properly seal the
wire feedthrough
with Sealing Kit
Thermostatsensor replacement
6. IMPORTANT!
Whenre-mounting
thenew
thermostatsensor
rememberto
properlysealthe
wirefeedthrough
5. IMPORTANT!
When re-
mounting the
new
thermometer
wire and sensor
make sure the
wire is placed
properly into the
CORPORATE PRESENTATION
StartingDevice Replacement
The starting
deviceis
mountedon the
leftside of the
compressor
room
Back with
connection
plug
Front with
terminals
Side view
CORPORATE PRESENTATION
StartingDevice Replacement
1: Dismount
the cover for
startingdevice
by loosenthe
phillipsscrew
2: Push the
plastic cover
up
3: Pullthe
cover back to
loosen
4: Usea screw
driver and
gentlyremove
the starter
from the
socketof
compressor
CORPORATE PRESENTATION
StartingDevice Replacement
5: Starting
deviceloose
from socket
6: Usea small
screwdriveror
a wrenchsize6
–to unmount
the wire
fastener
7: Push the
plastic bracket
up
8: Usea nose
plierto
unmountthe
wire sockets
from starting
device
CORPORATE PRESENTATION
StartingDevice Replacement
9: Exchange
the wires 1/1
from the old
startingdevice
to the new one
CORPORATE PRESENTATION
Thermometerreplacement
1: The
thermometer
display is placed
at the front of the
appliance
2: Thermometer
display
3: The
thermometer
sensor is placed
inside appliance
on the front
inner-lining
4: Thermometer
sensor is fitted
into the white
cable holder
CORPORATE PRESENTATION
Thermometerreplacement
7: IMPORTANT!
When re-
mounting the
new
thermometer
remember to
properly seal the
wire feedthrough
with Sealing Kit
5:
Thermometer
sensor is loose
from
refrigeration
compartment
6: Unclickthe
display from the
front cabinet,
thengentlypull
display with
wire out
4: Gentlypull
the thinwhite
thermometer
wire untilthe
probeis visible
CORPORATE PRESENTATION
Thermometerreplacement
10: Push untill
display is fixed
to cabinet
9: Installation of
thermometer
display
11:
Thermometer
display is in
place
8:
Thermometer
comeswith
wire and sensor
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Adjustment of lid
1: 2:
1:
3:
5: 6:
4:
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Compressor Replacement
Procedure of compressorchange
1: WARNING! Drain coolant R600a from refrigeration system by vacuum suction
2: IMPORTANT! Blowrefrigerationsystem with NO/Nitrogen
3: Cut
A: Suctionand pressure tube
B: Capillarytube
C: Dry filter
4: DismountstartingdeviceECU
5: Dismountold compressor
6: Insertnew compressor
7: InstallstartingdeviceECU
8: Solder
A. Suctionand pressure tube
B. Capillarytube
C. Dry filter
IMPORTANT! When solder copper tubes to iron tubes use silver tin
Fillingof new refrigerant
8: Drainrefrigerationsystem by vacuumsuction
9: Fill50g of R600a refrigeranton the system
CORPORATE PRESENTATION
Compressor Replacement
Video
CORPORATE PRESENTATION
On-site Checklist
Service technician to check
❑Is the green diode in the control panel on (Power check)
❑Is the internal temperature inside the acceptable range of +2°to +8°
❑Is the vaccine compartment clean and without condensation (water)
❑Is the Compressor is running
❑Is baskets used and in place
❑Is the appliance placed according to instruction in the manual.
❑Does the lid close tight to cabinet and is the lid gasket in good condition
❑Is the grill for compressor compartment clean
❑Is the condenser coils on the backside clean
❑Is all electrical components working properly
❑Is there condensation on electric parts (water condensation)?
❑Over all condition of the cabinet –internal and external: any corrosion, rusting, cracks?
❑Inspection of the refrigeration line ( the condenser, evaporator, the whole refrigeration circuit/line)
CORPORATE PRESENTATION
Trouble-shooting
CORPORATE PRESENTATION
Technical Support
If contacting Vestfrost Solutions technical support please supply
below information:
1.Model
2.Serial number
3.What is the issue
Rating plate Serial no
Model