Porkka WIF split type 20m3

General description:
Porkka Walk-in type freezer room, split type, 20m3 for storage of vaccines at national and sub-national levels.

External dimensions: L=3850 x W=3100 x H=2400 mm
Internal dimensions: L=3550 x W=2800 x H=2100 mm

1. Technical specifications:
Prefabricated Freezer room, walk-in type, split type, supplied with all necessary mechanical and electrical fittings and equipment for quick and easy installation in the field.

The unit is designed to operate from a mains supply of 400V/3/50Hz as standard or 220V/3/60Hz as an option, with a dual refrigeration unit, each refrigeration unit is sized to give 100% stand-by capacity designed to operate in a maximum ambient of 43°C. Units operating from a different mains supply than described above can be supplied as option, please confirm the power rating during the time of ordering.
The complete unit is also designed for installation in a housed area such as a warehouse in order to meet temperature design standards.

1.1 Specification details:
Prefabricated modular walk-in freezer room complete with floor, wall and ceiling panels.

Refrigeration unit:
-uses CFC-free refrigerant gas R452A, compliant with the requirements of the Montreal Protocol.
-has an automatic duty sharing with a time relay to balance their wear-is fitted with run-hour meters.
-with sealants for air tightening the cut outs between pipes and wall panel.
-refrigeration system shall be complete with copper tubing, electrical cabling and necessary fittings to cover a distance of 20 meters between condensers and the evaporators.

Temperature control:
The thermostat is calibrated to ITS-90 and accuracy is ± 0.5°C.
Internal temperature: -20°C

Panel Insulation:
Foam blowing agent with low GWP: N-Pentane
Insulation thickness (WIF): 150 mm with U-value of 0.15 W/m2K

Wall and roof panel construction:
Panels are self-supporting double skin metal faced insulating panels.

Floor construction:
Top of floor panel is coated with hard-wearing non-slip finish.

Door construction:
Doors are constructed and insulated to the same standard as applicable for wall panels.
Opening width: 800mm
Opening height: 2000mm
Door frame heating element.
With heavy duty hinges and lock with internal safety release.
An internal plastic strip curtain.

Shelving:
The free-standing perforated shelving system is made of aluminum.
Shelves have 490mm depth, 5 levels

Lighting:
Room is equipped with low-energy LED luminaires with an external switch and pilot light.

Alarm System:
A mains-operated audible and visible alarm in the event of mains failure or when room temperatures are outside set limits.

Thermometer:
A gas pressure thermometer with capillary tube & reversible flange, complying with PQS E006/TH02.

Voltage Stabilizer:
Bundled with a voltage stabilizer suitable for the freezer room power requirement.

Remote Temperature Monitoring System (Optional):
Remote Temperature Monitoring System RTMS – Optional/ to be supplied upon request.

Overall dimensions:
Individual components will be able to fit through an 800mm wide door opening (with the door leaf removed if necessary).

Warranty:
To be covered by a 2-year warranty in the event of any component failure arising from defective design, materials or workmanship.

Instructions:
Assembly, operation, technical drawings, wiring diagrams, maintenance and repair manuals in English shall be provided. Upon request, instructions shall be in one of the UN languages most appropriate to the installation site: Arabic, French, Mandarin Chinese, Russian or Spanish.

Shipping Information:
Estimated shipping weight: 2000 Kg
Estimated Shipping volume: 17.8 m3

Material safety data sheet information (MSDS):
UN Code: UN 1078
Danger Class: 2.2
Packing instruction: P200
Instructions: T50
Proper shipping name: REFRIGERANT GAS, N.O.S., such as mixture F1, mixture F2 or mixture F3 (contains pentafluoroethane and 2,3,3 ,3-tetrafluoropropene).

Useful links:
1-Cold Chain Support Package: https://www.unicef.org/supply/cold-chain-technical-support
2-Supply Catalogue: https://supply.unicef.org/all-materials/cold-chain-e quipment/cold-freezer-rooms.html