Small Commercial Ice Machine — BT-GD90, 90 lb/Day, 25 kg Bin

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BT-GD90 Small Cylinder Ice Maker — 90 lb/24h, 25 kg Bin

Product Brochure

BT-GD90 is a self-contained small commercial ice machine: 90 lb (40 kg) of clear cylinder ice a day, a 25 kg insulated built-in bin, 32 trays a cycle, 620 W at 220 V / 50 Hz, R290. 680 x 600 x 750 mm - the same cabinet as the BT-GD140, so it goes under a counter instead of beside it.

BT-GD90 is a small commercial ice machine that goes under a counter: 90 lb (40 kg) of clear cylinder ice in 24 hours, a 25 kg insulated bin built in underneath, and 620 W at the wall. The cabinet is 680 × 600 × 750 mm — the same one the BT-GD140 uses. That matters more than it sounds: with the same 25 kg bin and less output, 40 kg a day buys you five and a half more hours of ice than the bigger machine does.

Output: 90 lb / 40 kg per 24 h

Built-in bin: 25 kg / 55 lb

Height: 750 mm / 29.5 in

Power input: 620 W / 2.8 A at 220 V

The 25 kg bin lasts 15 hours on this machine, 9.5 on the 140

Why a 40 kg machine can outlast a 63 kg one — and the one case where it cannot.

At 40 kg a day the machine averages 1.67 kg an hour. A full 25 kg bin is therefore 15 hours of average draw: a whole service day, the overnight shutdown, and ice still in the bin when you open. That is the argument for a small commercial ice maker over the biggest one that fits.

The BT-GD140 makes 63 kg from the identical cabinet and the identical 25 kg bin. That is 2.63 kg an hour, so its bin empties in 9.5 hours. Same cupboard, same bin, 5.5 fewer hours of reserve. Output you cannot store does not help you at seven in the evening.

Bar length = hours a full bin covers at average draw, i.e. bin ÷ (daily output ÷ 24). Not a catalogue figure — the catalogue gives output and bin, and this is what those two numbers produce. BT-GD90 and BT-GD140 share the cabinet and the bin; the only difference is how fast the bin refills.

25 kg ÷ 1.67 kg/h = 15 h of cover

Under 10 hours → you are buying a bin, not an ice machine. The compressor is ahead of the cupboard.
Over 15 hours → the machine, not the bin, is the limit. That is where this one sits.

A café with a two-hour lunch. 60 iced drinks at 300 g is 18 kg. Available in the window: 25 kg in the bin plus 1.67 × 2 = 3.3 kg made while you serve, so 28.3 kg against an 18 kg draw. Ten kilos of slack — comfortable, and the bin is still cold at close.

If you do not know your peak draw yet, the ice calculator turns covers and service style into kilograms, and this bar sizing guide breaks the peak down hour by hour.

Where 40 kg is the wrong answer

A hotel breakfast room, 120 guests at 250 g, is 30 kg in two hours. Against 28.3 kg available that is short by 1.7 kg — and no amount of patience fixes it. This is the wrong machine rather than a tight one, and the honest fix is bin, not compressor: the TH-GD140 carries 40 kg and clears the same service with room to spare.

Every figure here is rated at 25 °C ambient air and 20 °C inlet water. An air-cooled cabinet in a 32 °C back bar loses output exactly when the queue is longest. Above roughly 110 covers per service, or anywhere the same bin also feeds a display or a seafood counter, this is a different class of machine.

Under a 750 mm counter, in the BT cabinet

680 × 600 × 750 mm — the same cupboard as the BT-GD140, and 145 mm lower than the TH-GD90.

Three numbers settle the installation: 680 mm wide, 600 mm deep, 750 mm high. On an undercounter ice machine the height is the number that decides the sale, and the height is the reason this cabinet exists. The TH-GD90 makes the same 40 kg but stands 895 mm tall — 145 mm too much for a back bar with a shelf over it, or for a counter run at 900 mm.

Width is where buyers get caught. 680 mm does not drop into the 600 mm gap left by a standard base unit. It needs a 700 mm bay — the sort you get by leaving one cabinet out, not by squeezing it between two.

Depth is a clean 600 mm, so in a 600 mm counter run the front panel sits flush with the worktop edge. Convenient, until you remember the water inlet and the drain: with no rear gap, both have to come in from the side. Decide that before the counter is cut.

Air passes through the louvres on the front panel. Leave them open. A closed cupboard with a solid door will cook the condenser and cost you capacity, not just efficiency — the one thing a built in ice machine cannot survive is being treated like a cupboard.

Recommended opening

Width: 700 mm — 680 + 10 mm each side
Depth: 620 mm — services to the side, not behind
Height: 760 mm — then the worktop above it
Services: Water in · drain · 220 V socket

Our installation recommendations, not nameplate figures — check them against the unit on site before the counter is cut. Identical to the BT-GD140, because it is the same cabinet.

The same 22 g solid cylinder, 1,818 of them a day

30 × 30 × 32 mm, clear to the core — 32 trays a cycle.

Nothing changes between models here. Every cylinder ice machine in the range — 40 kg or 63 kg, tall cabinet or low — uses this same 30 × 30 × 32 mm mould. It fills solid and the piece comes out a clear octagonal cylinder with no core. That compactness is the point: roughly 4,700 mm² of surface for 22 g, against about 6,500 mm² for the same weight of 22 mm cube. Less surface per gram means slower dilution — the last inch of a whiskey tastes like the first.

Forty kilos is about 1,818 pieces a day, and 32 trays of 22 g is 704 g a cycle. Where this shape is the wrong answer is a blended drink, a display bed or a seafood counter: those want soft, fast-melting, mouldable ice. The guide to ice for whiskey and this comparison of the ice shapes coffee shops use cover which format does what, and why a solid cylinder is a poor substitute for either.

Full specifications

Naixer catalogue, 2026 edition, page 24 — rated at 25 °C ambient air and 20 °C inlet water. Where this table and any other listing disagree, this table is the one to quote.

BT-GD90 technical specifications
Item	Value
Output
Daily capacity	90 lb / 40 kg per 24 h at 25 °C air, 20 °C inlet water
Ice type	Clear solid octagonal cylinder no core
Ice size	30 × 30 × 32 mm 1.18 × 1.18 × 1.26 in · 22 g per piece
Ice cube trays per cycle	32
Storage bin	25 kg / 55 lb insulated, built in — no separate bin to buy
Cabinet
Width	680 mm 26.8 in
Depth	600 mm 23.6 in
Height	750 mm 29.5 in
Body	Stainless steel, self-contained
Cooling	Air-cooled front louvres — keep them clear
Electrical
Voltage / frequency	220 V / 50 Hz 110 V / 60 Hz only if confirmed with the factory at quotation
Power input	620 W ≈ 2.8 A at 220 V
Refrigerant	R290

Capacity is a laboratory figure at 25 °C ambient air and 20 °C inlet water. A 30 °C back bar loses output exactly when the queue is longest — size on the bin and the derating, not on the 90 lb headline.

BT-GD90 against the other three in the range

One cabinet shared with the BT-GD140; one output shared with the TH-GD90.

Swipe the table sideways — the first column stays put.

Specification comparison: BT-GD90 vs BT-GD140 vs TH-GD90 vs TH-GD140
Spec	BT-GD90 This unit	BT-GD140	TH-GD90	TH-GD140
Daily output	90 lb / 40 kg	140 lb / 63 kg	90 lb / 40 kg	140 lb / 63 kg
Built-in bin	25 kg	25 kg	20 kg	40 kg
Width	680 mm	680 mm	530 mm	660 mm
Depth	600 mm	600 mm	580 mm	745 mm
Height	750 mm	750 mm	895 mm	1,005 mm
Power input	620 W	810 W	470 W	715 W
Ice cube trays	32	48	32	48
Refrigerant	R290	R290	R290	R290
Hours on a full bin calculated	15.0	9.5	12.0	15.2

Against the TH-GD90 you get the same 40 kg from the same 32 trays, 145 mm lower, with 5 kg more ice on hand — for 150 W more at the wall. Against the BT-GD140 it is the same commercial undercounter ice maker in the identical cabinet and bin, with 23 kg a day less output, 16 fewer trays and 190 W less draw. Per kilogram of output this is the thirstiest of the four — 15.5 W against 11.4 on the TH-GD140 — which is what a 750 mm cabinet costs you. At 2.8 A it still runs on the same 10 A circuit as the rest.

Where 40 kg a day is enough

Three settings where the volume, not the height, is the reason to buy.

Café counters

Iced coffee and cold brew ordered in a two-hour burst, from a machine that sits in the counter run instead of beside it.

Café ice machines →

Lounges and small bars

Twenty to forty covers an evening at two or three cubes a drink never empties a 25 kg bin — the point is that the cabinet fits under the bar.

Bar and venue machines →

Pantries that are not kitchens

Office and hotel pantries where the machine is fitted into a joinery run with a worktop over it, and 40 kg is already more than the floor drinks.

Office ice machines →

Sizing a multi-outlet site? The food service ice machine range covers the models either side of this one, and the rest of this cabinet family sits in the cylinder ice series.

Questions buyers actually ask

The five that come up on nearly every enquiry for this model.

What is the difference between BT-GD90 and TH-GD90?

Both make 90 lb (40 kg) a day from 32 trays and both use the same 22 g ice. BT-GD90 is 680 × 600 × 750 mm with a 25 kg bin and a 620 W input; TH-GD90 is 530 × 580 × 895 mm with a 20 kg bin and a 470 W input. This one is 145 mm lower and holds 5 kg more ice, at 150 W more. Under a counter take BT-GD90; where floor space is tight but the height is not, the narrow TH-GD90 is the better fit.

Is 90 lb a day enough for a café?

For a lunch rush, yes. Sixty iced drinks at 300 g is 18 kg, and the machine has 28.3 kg available in a two-hour window — 25 kg in the bin plus 3.3 kg made while you serve. It stops being enough at a breakfast service above roughly 110 covers, or wherever ice is also going into a display.

Will it fit under my counter?

If the opening is at least 700 mm wide, 620 mm deep and 760 mm high, yes. The cabinet itself is 680 × 600 × 750 mm, so it will not go into the 600 mm gap left by a standard base unit — it needs a bay of its own. At 600 mm deep it sits flush with a 600 mm counter run, which means the water and drain have to enter from the side. The condenser breathes through the front louvres, so keep the front open.

How long does a 25 kg bin last?

About 15 hours of average draw — 1,136 pieces at 22 g. At 40 kg per 24 hours the machine averages 1.67 kg an hour, so a full bin covers a whole service day and the overnight shutdown. It does not cover a closed day, and it will not carry you through a busy breakfast plus lunch.

Is the ice hollow in the middle?

No. Each piece is solid — a clear octagonal cylinder 30 × 30 × 32 mm weighing about 22 g, which is what a solid piece that size weighs. If you have seen it described as hollow, or listed at 30 × 30 × 25 mm, those are older descriptions that have been corrected.