Gram Blast Chiller Freezers
Overview
Gram is a premium Danish refrigeration manufacturer renowned for engineering precision, energy efficiency, and long-term reliability. Serving the UK commercial catering sector for decades, Gram has become synonymous with high-performance, environmentally responsible refrigeration systems.
Their blast chiller freezers are used in professional kitchens, hospitals, and bakeries where precision temperature control and food safety compliance are critical. Gram’s approach combines innovative technology with high build quality to ensure lasting performance.
In the UK, Gram blast chillers are distributed through authorised dealers and supported by a strong network of service engineers. Their products meet the needs of demanding chefs who require rapid cooling, consistent performance, and low operating costs. Known for their Scandinavian design and durability, Gram units deliver reliability under continuous commercial use, making them a preferred choice for operators who value long-term return on investment.
Key Features
- Rapid Chill & Freeze Performance: Cools food from +70 degrees C to +3 degrees C within 90 minutes, or freezes to -18 degrees C in approximately four hours, ensuring full HACCP compliance.
- Intelligent Control System: Advanced microprocessor controller with automatic and manual chilling cycles, temperature probes, and optional data logging for HACCP reporting.
- Premium Build Quality: Stainless steel construction inside and out with precision-welded seams to enhance hygiene and longevity.
- EcoDesign Energy Efficiency: Designed to meet stringent EU and UK EcoDesign standards, using natural refrigerants such as R290 for minimal environmental impact.
- Flexible Model Range: Available in undercounter, upright, and roll-in formats compatible with GN 1/1 and GN 2/1 tray sizes.
- UK Support & Parts: Widely supported through UK-based distributors, ensuring fast delivery of spare parts and service expertise.
Strengths & Trade-offs
- Strengths: Gram is known for exceptional energy efficiency, reliability, and design quality. Their blast chillers offer superior insulation, ensuring stable cabinet temperatures even under heavy load. They also operate quietly, making them suitable for open-kitchen environments.
- Trade-offs: As a premium brand, Gram products come at a higher initial cost compared to mid-range alternatives. Replacement parts are readily available in the UK but can be priced above average due to the brand’s high-quality components.
Common Fault Codes & Quick Fixes
| Code/Alarm | Meaning | Quick Fix |
|---|---|---|
| E1 | Cabinet probe fault | Check probe connection to controller; replace sensor if resistance is abnormal. |
| E2 | Core probe fault | Inspect probe cable for damage; test sensor using multimeter; replace if faulty. |
| H1 | High temperature alarm | Verify door closure; clean condenser coil; ensure adequate ventilation. |
| Lo | Low temperature alarm | Review set point and defrost cycle; inspect evaporator fan for ice obstruction. |
| dEF | Defrost timeout | Check heater element continuity and drain system; restart cycle if necessary. |
| door | Door open alarm | Ensure gasket seals are intact; adjust hinges for correct alignment. |
Note: Codes vary by model/controller. For persistent issues, contact CoolFix London.
Maintenance Tips
- Clean condenser coils every month to maintain optimal heat exchange and energy efficiency.
- Sanitise interior surfaces weekly using a non-corrosive food-safe detergent.
- Inspect and replace worn door gaskets to maintain a proper seal and prevent warm air ingress.
- Schedule professional calibration of temperature probes every six months.
- Ensure defrost drain lines are clear to prevent ice build-up around the evaporator coil.
When This Brand Fits Best
Gram blast chiller freezers are perfect for high-end restaurants, large-scale catering facilities, and institutional kitchens that demand consistent cooling performance, low running costs, and longevity. Their energy efficiency and eco-friendly operation make them an ideal choice for businesses aiming to reduce carbon footprint while maintaining HACCP compliance. Gram’s precise controls and silent operation are particularly valued in open-kitchen and hospital settings where reliability and noise reduction are crucial.
CoolFix London – Install & Repair
CoolFix London offers specialist installation, maintenance, and repair services for blast chiller freezers across the UK. Our engineers are trained to handle premium European refrigeration systems such as Gram, ensuring fast diagnostics, accurate repairs, and compliance with manufacturer specifications. We carry common spare parts and provide 24/7 emergency response to minimise downtime for your business.
Conclusion
Gram blast chiller freezers represent the gold standard in reliability, hygiene, and efficiency. Designed for professional environments that value precision and sustainability, Gram delivers consistent results even in high-demand conditions. Though priced at a premium, their long-term durability and energy savings make them a sound investment for serious foodservice operators. To schedule installation or servicing of your Gram blast chiller, contact CoolFix London – your nationwide commercial refrigeration experts.