Vaccine Refrigerator BFRV55
SunDanzer with DIVAF and PATH
BFRV55 is a vaccine storage using solar direct-drive battery-free technology.
SunDazer’s BFRV55 is a 55 liter vaccine refrigerator that can store vaccinations in areas with hot climates and without electricity.
Remote and under-developed areas around the world that have limited or no access to an electric power grid. Specific countries of deployment include: Angola, Chad, Egypt, Guinea, Kenya, Mali, Mauritania, Nigeria, Senegal, Sierra Leone and Tanzania .Interview with representative
Sun Danzer, PATH, DIVAF and the United Nation’s Childrens Fund
Goal 3: Good health and well-being
Healthcare workers in remote and under-developed areas involved in immunizations.
Mass manufactured in Tucson, Arizona Interview with representative
Solar-powered battery-free refrigeration technology patented by NASA; Licensed, non-exclusively, to Sun Danzer Interview with representative
Product can be directly purchased from SunDanzer, either by individual users or by large-scale NGOs, such as The United Nation’s Childrens Fund, who use for operations and/or to donate to end-users.
As of 2017, 1680 units have been distributed.
The time in hours without (solar) energy input during which all points in the vaccine compartment remain between +2°C and +10°C without (solar) energy input and at the maximum ambient temperature of the temperature zone for which the appliance is rated.
SunDazer’s BFRV55 vaccine refrigerator uses phase change material (PCM) to maintain an inner temperature between 2 and 8°C. The refrigerator uses the solar energy to “freeze” this phase change material and then uses the cooling from this material to keep the vaccine compartment cold during the night and on cloudy days.
SunDanzer’s BFRV55 refrigerators employ User Independent Freeze Protection, meaning freeze protection capabilities are independent of healthcare workers use and operation of the refrigerator. The vaccines can be stored anywhere in the fridge (even in contact with the walls). No defrosting is required and the thermostat function/setting does not affect the freeze protection.
SunDanzer’s refrigerators make use of the ‘East-West’ array provides, which they suggest on average delivers at least 3 more hours of compressor run time than a traditional South facing array. This configuration allows a fully illuminated panel to start the compressor early in the morning and late in the afternoon. The East-West array also allows the compressor to have more chances to run.
Dimensions: 96.2 cm x 71.1 cm x 86.8 cm;
Weight: 99 kg (2);
Gross vaccine storage capacity: 55 Litres
Cabinet insulation is 110mm high density polyurethane.
Refrigerant is CFC-free R134A. (3)
On-site training for installation & maintenance is provided. Interview with representative
Components are available. Suggested spares include the Electronic Control Unit ($120), Fan Set ($40), and the Electronic Thermostat/Controller $100). Interview with representative
No testing has been completed.
Third party tested prior to WHO pre-qualification by the Danish Technological Institute.
Vaccination is important to control the spread of diseases. However, compromised vaccine efficacy can occur when appropriate actions are not taken to account for temperature changes.
SunDanzer provides all of the equipment, tools and instructions needed to install the vaccine refrigerator. The kit comes complete with 4 solar panels, a compass, PV wiring, a universal solar panel mounting kit for roof mounting, grounding kit, 2 vaccine organization storage baskets, temperature display, a user and technician’s manual.
Foster,E., Cota, A., 2012, Afghanistan Photovoltaic Power Applications for Rural Development, IEEE PVSC 38, pp. 615
A., Sawadogo, A., Schreiber, B., 2017, Is freezing in the vaccine cold chain an ongoing issue? A literature review, Vaccine, 35, pp. 2127–2133
Kumru, S., Joshi, S., Smith, D., et al., 2014, Vaccine instability in the cold chain: Mechanisms, analysis and formulation strategies, Biologicals, 42, pp. 237-259
Meets WHO/PQS/E003/RF05-VP.2 Standard.
WHO pre-qualification testing established a minimum solar radiation reference period below which the product should not be used and the maximum autonomy that the product can achieve. PQS specification E003/PV01.2 specifies a compatible Type 2 solar power system. Three temperature zone designations are described: moderate zone, temperate zone and hot zone. In addition appliances are tested to establish a minimum rated ambient temperature designation.
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