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REFRIGERATOR (Vestfrost VLS404A AC G2) 145l net, 230V

https://unicat.msf.org/cat/product/79665
NST PCOLREFEVI4

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OC subscriptions: included in supply or field order tools (e.g. UniField)
SC subscriptions: included in supply or field tools
OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Standard Lists (MSL)

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REFRIGERATOR (Vestfrost VLS404A AC G2) 145l net, 230V

This article replaces PCOLREFEVG4 - REFRIGERATOR (Vestfrost VLS400A) 145l net, 230V which has been discontinued.

Definition

The standard fridge for storage of thermosensitive items such as laboratory material, drugs and vaccines. As Vestfrost stopped producing the MK-series and VLSA series, Vestfrost VLS-4 line has been selected as the new standard fridge for MSF

PQS approvedyes
manual adjustment temperatureyes
refrigerantR600a
produced untilnot specified

Specifications

  • gross volume: 235 litre
  • net volume: 145 litre
  • temperature range (43°C ambient): +2°C to +8°C
  • hold over time: 55 hours
  • nominal power: 300 W
  • energy consumption
    • stable: 0.67 kWh / 24h
    • cool down: 0.69 kWh / 24h
  • dimensions L x W x H: 600 x 1260 x 850 mm
  • weight: 88 kg, (shipping weight: 109,8 kg)
  • number of baskets: 7
  • number of ‘Water ballast, blue' needed: 4 (not included with fridge so order separately)
  • refrigerant: R600a
  • WHO PQS code: E003/112
  • freeze protection: grade A
  • energy supply needed per 24 hours: 8 hours
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Instructions for use

Advantages:

  • The VLS-line is a so-called ‘green-line' model (less power, more efficient refrigerant and insulation)
  • The refrigerant gas R600a (instead of the old standard R134a) is more efficient
  • It has a longer hold-over time related to the old MK model; but, similarly to VLSA series with less power required (test done according to PQS protocols)
  • This model has passed the freeze protection grade A test (see PQS test protocol)
  • With the same capacity, it has a significant higher performance and uses less power
  • There is a hidden thermostat (knob)
  • No automatic alert when power is off
  • Stable temperature even when the fridge is full

Remarks:

  • Although R600a is a more flammable gas, no clear risks are expected
  • The fridge is PQS approved by the WHO
  • It is expected the field might face more difficulty to exchange the gas/compressor, in case of repairs, in the first few years
  • Globally all fridges shift to R600a, therefore this is expected to improve
  • Rated for use in ambient temperatures above 5°C and below 43°C
  • Note: The compressor will turn off when the room temperature is between 5 - 10°C
Image

Precautions for Use

Installation:

See manual for installation. In the user manual, it says that you have to install the appliance in a room with a volume of minimal 1 m3 per 8 g of hydrocarbon refrigerant used in the appliance, which is indicated on the rating plate. The required room volume should be:

ModelQuantities of R600a refrigerant on rating plate [kg[]Minimal volume of room (per fridge) required [m3]
VLS204A AC0.050 kg6.25
VLS304A AC0.055 kg6.88
VLS354A AC0.060 kg7.50
VLS404A AC0.063 kg7.88

Door seal:

Similar as the old models from Vestfrost, Vestfrost recommends to change the complete lid if the seal is old or broken. However, it remains possible to order the seal (as a spare part) and replace this in the field.

Spare parts:

For all VLS-4 line spare parts, can be ordered and they are compatible with VLSA models.

Thermostat:

To upgrade an even better performance in terms of termperature stability, the position of the sensor has been changed as compared to VLS-A models. The sensor is closer the inside back up water tank whereby the internal temperature is measured and controlled, and even considered more optimal. Illustration above (previous placement of sensor refers to position in VLSA models).

MSF requirements

WHO standard