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Thermaster GN3100DT 438L Commercial Stainless Steel 3-Door Dual-Temperature Workbench Fridge & Freezer (GN 1/1 Compatible / Tropical 40°C Rated)

Consolidate high-volume food preparation and eliminate the footprint of separate storage cabinets with the Thermaster GN3100DT 438L Commercial 3-Door Dual-Temperature Workbench Fridge & Freezer. Purpose-engineered for Australian commercial kitchens, high-volume restaurants, hotel banqueting suites, bistros, bakeries, and busy catering lines where kitchen staff require simultaneous access to both chilled and frozen ingredients directly at the workstation, this heavy-duty 1795 mm wide combination prep counter combines an expansive 314-litre two-door refrigerator (-2°C to +8°C) with an independent 124-litre single-door freezer (-22°C to -18°C) beneath a reinforced stainless steel worktop.

Independent Dual-Zone Refrigeration with Convertible Flexibility

Streamline kitchen movement and speed up line service. The GN3100DT features two completely isolated refrigeration compartments, each governed by independent cooling circuits and dedicated digital controllers with bright LED displays:

• Two-Door Refrigerator Section (314L Gross): Operates reliably between -2°C and +8°C, keeping fresh proteins, dairy products, pre-cut vegetables, garnishes, and prepped sauces safely preserved in full compliance with Food Standards Australia New Zealand (FSANZ) Standard 3.2.2 guidelines.

• Single-Door Freezer Section (124L Gross): Operates between -22°C and -18°C, holding frozen burger patties, snap-frozen seafood, portioned chips, and pastry reserves ready for immediate cooking.

• One-Touch Convertible Flexibility: When high-volume service periods or seasonal menu changes call for maximum chilled storage capacity, the sub-zero freezer cavity can be converted into an additional refrigerator compartment at the push of a button on the electronic control panel.

Gastronorm GN 1/1 Compatibility with Field-Convertible Drawers

Engineered to integrate directly into busy commercial kitchen workflows, both compartments are configured to accept standard full-size GN 1/1 Gastronorm food pans and trays:

• Internal Refrigerator Dimensions: 795(W) x 580(D) x 560(H) mm

• Internal Freezer Dimensions: 360(W) x 580(D) x 560(H) mm

Kitchen staff can transfer pre-portioned trays directly from combi ovens, blast chillers, or coolrooms straight onto internal runners without transferring ingredients between containers. For operations requiring top-down access at the line, the unit offers field-convertible door-to-drawer flexibility—allowing solid hinged refrigerator doors to be replaced with 2-drawer units, and the freezer door with 2- or 3-drawer modules (drawer inserts sold separately).

Tropical Class 5 Climate Rating (40°C Ambient) & R290 Efficiency

Australian commercial cooklines generate significant ambient heat. The GN3100DT is built to Climate Class 5 standards, operating reliably in ambient kitchen environments up to 40°C with 40% relative humidity. Powered by natural, eco-friendly, zero-ODP R290 hydrocarbon refrigerant paired with ventilated forced-air circulation, the cabinet achieves rapid temperature recovery after repeated door openings during service rushes. Dense 60 mm high-density polyurethane thermal insulation locks in internal temperatures, while concealed doorframe heating elements eliminate moisture build-up around the seals to prevent frame sweating and premature gasket degradation.

Heavy-Duty Commercial Stainless Steel Build with Coved Corners

Constructed from commercial-grade stainless steel across interior and exterior surfaces, the GN3100DT resists corrosive food acids, kitchen grease, and regular commercial sanitising agents. The solid top deck measures 1795 mm wide by 600 mm deep at an ergonomic 860 mm working height, serving as a durable prep station or equipment stand. Inside, coved, rounded internal corners eliminate food traps for fast, hygienic end-of-shift wipe-downs. Heavy-duty self-closing doors feature tool-free magnetic gaskets that pull away cleanly for inspection, sanitisation, and replacement.

Plug-and-Play Australian 10A Electrical Efficiency

Operating on single-phase 240V power with an economical 480W total power draw (approx. 2.0 Amps on a standard 10A plug), the GN3100DT plugs straight into standard Australian commercial wall outlets without requiring expensive three-phase electrical modifications. An automated cycle defrost system and an internal heated condensate evaporation tray eliminate the need for manual defrosting or external floor waste plumbing.

Key Features & Benefits

• Dual-Zone Fridge & Freezer in One Counter: Combines a 314L two-door refrigerator (-2°C to +8°C) and a 124L single-door freezer (-22°C to -18°C) in a single 1795 mm footprint.

• One-Touch Convertible Freezer Compartment: Effortlessly switches the sub-zero freezer cavity into an extra refrigerator zone to meet fluctuating prep requirements.

• Full GN 1/1 Pan Integration: Internal chambers accept standard full-size Gastronorm pans for seamless workflow from coolroom to prep line.

• Tropical Class 5 Rating (40°C Ambient): High-efficiency ventilated forced-air cooling maintains calibrated temperatures even on hot Australian cooklines.

• Field-Convertible Door-to-Drawer Versatility: Convert solid hinged doors into 2-drawer (fridge) or 2-/3-drawer (freezer) configurations (modules sold separately).

• Eco-Friendly R290 Hydrocarbon Refrigerant: Delivers rapid temperature pull-down with zero ozone depletion and low global warming potential.

• Heated Doorframe Assembly: Concealed heating elements prevent exterior sweating and moisture accumulation around the door seals.

• Full Stainless Steel Construction: Commercial food-grade stainless interior and exterior with coved corners for fast, hygienic wipe-downs.

• 60 mm High-Density Insulation: High-performance polyurethane foam locks in thermal mass and minimizes compressor cycling.

• Zero-Plumbing Condensate Evaporation: Automatic cycle defrost with an internal heated pan evaporates meltwater without requiring floor waste plumbing.

• Self-Closing Doors with Tool-Free Gaskets: Snaps shut automatically to prevent cold air loss, with magnetic seals that remove easily for sanitisation.

• Standard Australian 10A Plug Setup: 480W power consumption connects straight into standard 240V single-phase commercial power points.

• Extended 2+2 Year Warranty: Standard 2 Years Parts and Labour warranty, extendable by an additional 2 Years (Parts only) upon online product registration within 14 days of invoice.

Technical Specifications

Daily Care, Maintenance & End-of-Shift Sanitisation

To protect refrigeration efficiency, prevent compressor strain, and ensure commercial hygiene compliance:

1. Power Isolation: Before undertaking deep interior cleaning or removing internal tray slides, power off both electronic controllers, switch off the power point, and disconnect the 10A plug from the wall outlet.

2. Stainless Steel Benchtop & Exterior Care: Wipe down the 1795 mm stainless steel worktop, door faces, handles, and side panels daily using warm water and a neutral commercial sanitiser. Dry thoroughly with a clean microfibre cloth following the grain of the steel. Never use steel wool, wire brushes, metal scrapers, or chlorine bleach, as these will scratch the surface and induce pitting.

3. Internal Cavity Sanitisation: Remove the internal Gastronorm tray slides and wipe down the stainless steel interior walls and coved floor deck. Clean the tool-free magnetic door gaskets with warm, mild soapy water to remove accumulated food oils and crumbs, ensuring an airtight seal across all three doors.

4. Tool-Free Gasket Maintenance: Inspect perimeter door seals weekly for food residue or splits. If food debris is trapped behind the seal folds, pull the gasket away from the door channel, wash it gently in a sink, and press it back into place without using tools.

5. Condenser Coil Dusting (Crucial for Energy Efficiency): Unplug the unit and inspect the compressor ventilation compartment monthly. Airborne kitchen grease and dust accumulate on the condenser fins, restricting airflow and forcing the refrigeration system to run hotter and consume excess electricity. Vacuum or gently brush the condenser fins with a soft brush attachment at least once a month.

6. Drainage Clearance: Check the internal condensate drain channel during routine cleaning to ensure it remains clear of loose packaging labels, plastic film, and food crumbs.

7. Electrical Safety: Never wash down the workbench with a commercial pre-rinse hose or high-pressure spray gun, and ensure liquids do not enter the digital controllers or ventilation grilles.

Kitchen Placement & Operational Guidelines

The Thermaster GN3100DT is engineered for cooklines, prep suites, plating stations, and commercial pizza/burger passes:

1. Standard 10A Electrical Connection: The dual-temperature workbench draws an economical 480W on standard single-phase 240V power and comes fitted with a standard Australian 10 Amp plug. Connect directly into a dedicated commercial wall outlet. Avoid the use of domestic extension leads or double adaptors.

2. Solid Floor Positioning & Level Alignment: Place the unit on a flat, level, and solid commercial kitchen floor capable of supporting its combined loaded weight (exceeding 320 kg when fully stocked with food pans). Adjust the levelling feet until the unit sits completely plumb, ensuring all three self-closing doors seal squarely without thermal leaks.

3. Ventilation Clearances: Maintain at least 100 mm of clearance around the refrigeration ventilation louvres to allow hot exhaust air to dissipate efficiently during heavy commercial service. Never box the compressor section into an unventilated joinery cavity.

4. Thermal Separation & Direct Heat: While tropical-rated for 40°C ambient conditions, avoid positioning the unit directly adjacent to unshielded high-heat cooking equipment (such as open charbroilers, deep fryers, or high-temperature ranges) without a thermal heat barrier. Radiant heat warms the cabinet exterior and forces the refrigeration system to cycle continuously.

5. Pre-Chilling & Pre-Freezing Protocol (Standard 3.2.2 Compliance): In accordance with Australian Commercial Food Safety Standards, dual-temperature workbenches are holding units designed to maintain safe product temperatures (-2°C to +8°C for chilled; -22°C to -18°C for frozen).All ingredients must be pre-chilled or pre-frozen to their respective holding temperatures before loading into the cabinet. Never use the unit to pull down large volumes of steaming hot, freshly cooked food.

6. Pan Loading Guidelines: Position GN 1/1 pans evenly along the internal slides, leaving adequate gap spacing for ventilated forced-air circulation. Avoid overloading pans beyond the rim to ensure air curtains circulate freely around the food containers.

Freight & Delivery Notice

Standard commercial road freight delivery is available Australia-wide to commercial business addresses with level ground access or loading docks. Due to the 1795 mm wide stainless steel commercial build and crated weight of this 3-door combination workbench, tail-lift delivery or a commercial loading dock with pallet handling equipment is strictly required. For deliveries to residential, home-based business, or non-commercial addresses, please contact our friendly commercial sales team prior to ordering to obtain a customised courier quote and confirm delivery logistics.

Frequently Asked Questions

Can I plug this 3-door dual-temperature workbench into a standard Australian 10 Amp power point?

Yes. The Thermaster GN3100DT draws an economical 480W on standard single-phase 240V power and comes fitted with a standard Australian 10 Amp 3-pin plug. It connects straight into standard commercial wall sockets with no specialized electrical wiring required.

How does the convertible freezer compartment work?

The freezer section features an independent electronic controller with a built-in temperature conversion function. By adjusting the electronic controller setpoint, you can switch the right-hand sub-zero freezer zone (-22°C to -18°C) into an additional chilled refrigerator zone (-2°C to +8°C), converting the entire 1795 mm counter into a full 438-litre refrigerator when prep demands change.

What is the difference between the GN2100DT and GN3100DT models?

The GN2100DT measures 1360 mm wide with 2 doors (248L total: 124L fridge + 124L freezer). The GN3100DT measures 1795 mm wide with 3 doors (438L total: 314L two-door fridge + 124L single-door freezer), offering an extra 435 mm of prep worktop and significantly larger chilled storage.

Can standard full-size Gastronorm pans fit directly inside?

Yes. Both the two-door refrigerator section and the single-door freezer cavity feature internal runners designed to accept standard full-size GN 1/1 Gastronorm food pans and trays.

Can I convert the solid doors into drawers?

Yes. The GN3100DT features field-convertible door-to-drawer flexibility. Venue operators can replace the hinged refrigerator doors with optional 2-drawer units, and the freezer door with optional 2- or 3-drawer units (drawer modules sold separately).

Why does this model feature concealed doorframe heating?

Because the freezer section operates at sub-zero temperatures (-22°C to -18°C) in humid commercial kitchen air (up to 40°C), temperature differentials cause condensation and frost to accumulate around the door frame. Concealed low-wattage heating elements keep the frame warm, preventing moisture build-up and ensuring the magnetic gaskets do not freeze shut or degrade prematurely.

How do I qualify for the extended 2+2 Year Warranty?

The unit comes standard with a 2 Years Commercial Parts and Labour warranty. By registering your product online with the manufacturer within 14 days of the invoice date, you receive an additional 2 Years of Parts-Only warranty coverage, securing four total years of manufacturer protection.

N.B Images are for illustrative purposes only. Specifications are subject to change without notice.