Manitowoc IDT1900WM 1900 lb Indigo NXT Marine Modular Ice Machine Head, Water-Cooled, Stainless, Dice Cubes

The Manitowoc IDT1900WM is the marine model of the Indigo NXT iT1900 head, built for shipboard galleys and coastal operations where salt air destroys standard foodservice cabinets. A cupro-nickel condenser adds protection from salt water, every exterior panel, bracket, and fastener is high-grade stainless steel including the bulkhead, and the completely sealed cabinet meets USPHS specifications, so the machine survives conditions that corrode painted or clear-coated equipment. It produces up to 1,900 lb of dice ice per 24 hours at 70°F air and 50°F water and holds 1,666 lb at 90°F on water cooling that draws just 3.51 kWh per 100 lb of ice while the condenser loop uses 140 gal per 100 lb; the Indigo NXT platform also brings 10 to 15 percent lower energy usage and 23 percent less condenser water than the model it replaced. Land-based kitchens without a marine sanitation or corrosion requirement are better served by the standard IDT1900W. Plan the install around a 208-230V single-phase circuit with a 25 amp maximum fuse, separate 3/8 in. FPT ice-making and condenser water inlets, 1/2 in. drains, a marine ice bin arranged through Manitowoc sales, and the K-00349 ice deflector if the head sits on a non-Manitowoc bin.

Icon-Based Touch Screen with Programmable Ice Production

The machine carries the standard Indigo NXT feature set, so daily operation runs through the icon-based easyTouch touch screen instead of dip switches or buried service menus. Programmable ice production, part of that platform, lets you schedule the machine off during peak electrical rates, cap it by daily production volume, or shift the work to night programming so the bin is full before the morning watch. The same controls surface cleaning modes and operating status at a glance, which matters on a vessel where the person standing in front of the machine is rarely a refrigeration tech.

Automatic Cleaning That Returns to Ice Making on Its Own

The Indigo NXT feature set on this marine model includes automatic cleaning that runs its cycle and returns to ice production without manual intervention, so sanitation happens on schedule even when the galley crew is occupied elsewhere. The same accessory family supports it: an optional LuminIce II virus and bacteria inhibitor controls viruses, bacteria, mold, and yeast inside the food zone, the iAuCS accessory schedules and performs routine cleaning automatically, Arctic Pure Plus water filters strip sediment and chlorine down to 0.5 microns ahead of the machine, and an external scoop holder keeps the scoop off the bin rim. A completely sealed cabinet across the front, back, top, and sides keeps wash-down water and salt spray away from the components underneath.

Indigo NXT Diagnostics Built for Shipboard Reliability

The Indigo NXT platform underneath this marine shell continually monitors its own operation and surfaces status on the machine, which matters at sea where a refrigeration tech is not a phone call away. Operating limits hold from 40°F to 110°F ambient and 40°F to 90°F water, and because the condenser rejects heat to the water loop rather than the room, output stays steady even when the galley air runs hot during service. An isolation switch on the unit immediately cuts power to the entire machine, giving crew a single positive disconnect for cleaning, service, or emergency shutdown without hunting for a breaker panel.

Cupro-Nickel Condenser with High-Grade Stainless Marine Shell

The condenser is cupro-nickel, a marine alloy that adds protection from salt water where a standard copper coil would pit and fail, and every exterior element, top cover, side panels, back panel, bulkhead, brackets, and fasteners, is high-grade stainless steel. The completely sealed cabinet meets USPHS specifications for marine sanitation, and the isolation switch gives a single positive power cutoff at the machine. The refrigeration system runs R410A refrigerant, a CFC-free formulation, moving 26,100 BTU/hr of average heat rejection (30,500 BTU/hr at peak) on a 208-230V single-phase connection with 15 amps of minimum circuit ampacity and a 25 amp maximum fuse. Placing the head on a non-Manitowoc bin or an F-model Manitowoc bin requires the K-00349 ice deflector, and Manitowoc's sales team arranges the matching marine bin.