Vestfrost VLS350
The Vestfrost VLS350 is a high-quality refrigeration unit designed for the safe and efficient storage of vaccines and other temperature-sensitive medical products. With its advanced features and reliable performance, the VLS350 ensures the preservation and efficacy of your valuable inventory.
Key capabilities of the Vestfrost VLS350 include:
- Precise temperature control: The VLS350 maintains a stable temperature range of +2°C to +8°C, ensuring optimal storage conditions for vaccines and other delicate medical supplies.
- Energy efficiency: The unit's energy-efficient design minimizes operating costs while maintaining consistent cooling performance.
CORPORATE PRESENTATION
Service and maintenance instructions: VLS200/300/350/400
Vestfrost Solutions
CORPORATE PRESENTATION
Topics
1: General required maintenance
2: Vital components
3: Warning
4: Required basic Tools
5: Replacement of components
6: Trouble shooting
7: On site Checklist
CORPORATE PRESENTATION
General required maintenance
Daily Check:
Monitor Temperature
Internal lid is placed properly
Lid fits and lock tight to cabinet
Lid gasket not faulty
Monthly:
Clean grill for compressor compartment
6 Month:
Clean condenser coils
Yearly:
Check electrical connections and components
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Vital Components
Position Item no Description
129 8-036038255 Compressor
5717 7020274 Thermostat
071 A921115 Starting Device
5714 7020144 Thermostat sensor
5851 520229 Run capacitor
CORPORATE PRESENTATION
Warning!
Before any repair job be aware of 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.
(R600a)
CORPORATE PRESENTATION
Required Basic Tools
1. Flexible socket wrench
2. Socket wrench - size 6+7+12mm
3. Nose plier
4. Phillips screwdriver
5. Torx screwdriver - size t10+t20
6. Screwdriver - size 1,0x6,0
7. Screwdriver – size 0,6x3,5
8. Multimeter
Proposed additional service
kit/items
Sealing kit
Tar tape
Extra self-tapping screws
CORPORATE PRESENTATION
1. Motor Compartment
2. Thermostat Replacement
3. Thermostat Adjustment VLS
4. Wiring Diagram
Replacement of components
4. Starting Device Replacement
5. Thermostat sensor
6. Run Capasitor Replacement
7. Thermometer replacement
CORPORATE PRESENTATION
Motor Compartment
How to get acces to the
motor compartment.
Use a screwdriver to
remowe grill
Unluck all 4 clamps
Pull the compressor grill
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Thermostat Replacement
The thermostat is placed in the left
corner of the compressor
compartment on the back of the
cabinet
Front with wire 3x
sockets
Side view
Front with 3x wire
sockets
Back
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Thermostat Replacement
1: Dismount
thermostat from
bracket by using a
socket wrench size
14
2: Use the nose plier
to unmount the 3x
cable sockets
2: Bring the
thermostat to
front
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Thermostat Replacement
3: Exchange the
cable sockets/wires
1/1 from the old
thermostat to the
new
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Thermostat Adjustment VLS
1: The thermostat is placed in the
left corner of the compressor
compartment on the back of the
cabinet
2: To adjust the thermostat use a small screw
driver and turn either right or left
Right = Colder setpoint
Left = Warmer setpoint
Adjustment interval for thermostat 3-6 ⁰
Importent!
When adjusting monitor appliance carefully
over min. 24 hours
Warning!
Thermostat is factory set default at 4,5⁰
If adjustment is required only to be
performed by trained technicians.
CORPORATE PRESENTATION
Thermostat Adjustment
Warning!
Thermostat is factory set
default at 4,5⁰
If adjustment is required
only to to be performed by
trained technicians.
Clock wise = ColderAnticlock wise = Warmer
Use a small
screwdriver
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Thermostat
Wiring Diagram
Fan
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Starting Device Replacement
The starting device
is mounted on the
left side of the
compressor
Back with
connection plug
Front with
terminals
Side view
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Starting Device Replacement
1: Dismount the
cover for starting
device by loosen
the phillips screw
2: Push the
plastic cover up
3: Pull the cover
back to loosen
4: Use a screw
driver and gently
remowe the
starter from the
socket of
compressor
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Starting Device Replacement
5: Starting device
loose from socket
6: Use a small
screwdriver or a
wrench size 6 – to
unmount the wire
fastener
7: Push the
plastic bracket up
8: Use a nose
plier to unmount
the wire sockets
from starting
device
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Starting Device Replacement
6: Exchange the
wires 1/1 from
the old starting
device to the new
one
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Run Capasitor Replacement
The run capasitor
is placed in the left
side of the
compressor
compartment on
the bottom frame
1: Loosen the bolt
that secures the
capasitor from
the bottom of
appliance by
using a wrench or
a socket wrench
M13
2: The run
capasitor is loose
CORPORATE PRESENTATION
Run Capacitor Replacement
2: Unmount the 2
wires by using a
nose plier.
3: Exchange the
wires 1/1 from the
old capasitor to
the new one