Why Site Conditions Matter in a 10-Ton Tube Ice Project

For our commercial ice project in Malaysia, we supplied a Koller TV100 tube ice machine rated at 10 tons per 24 hours.

On paper, “10 tons/day” looks like a straightforward specification.

In refrigeration engineering, it needs context.

The TV100 in this project uses water cooling, and the installation is located in Malaysia's warm tropical climate. That makes this project useful for explaining something buyers can easily overlook when comparing ice machines:

rated capacity is based on defined operating conditions, while a real factory operates under actual local conditions. Why Site Conditions Matter in a…

What Does “10 Tons/Day” Actually Mean?

To compare refrigeration equipment consistently, capacity needs a reference point.

For our TV-series tube ice machines, the reference conditions include:

❄ Water supply temperature: 21°C

❄ Ambient temperature: 25°C

❄ Condensing temperature: 40°C

These conditions provide a common basis for equipment data. Why Site Conditions Matter in a…

A real ice factory, however, does not necessarily operate at exactly those temperatures.

Incoming water may be warmer.

The machine room may operate above the reference ambient temperature.

Ventilation and heat rejection can also vary considerably from one site to another.

This does not mean that a TV100 suddenly becomes unsuitable when it is installed in a warm country.

It means that we need to understand the site before finalizing the refrigeration solution.

For our Malaysia project, the 10-ton requirement told us how much tube ice the customer wanted to produce.

The local conditions helped determine how that production requirement needed to be engineered.

Why Inlet Water Temperature Matters

Making ice is fundamentally a heat-removal process.

Before water can freeze, the refrigeration system first has to remove enough heat to bring the incoming water down toward freezing conditions.

If incoming water is warmer, there is more heat to remove.

That is why water temperature deserves more attention than it often receives during the early quotation stage.

Two customers can request exactly the same Koller TV100.

Both quotations may say:

10 tons/24h

But if one factory receives relatively cool inlet water and the other operates with much warmer water in a tropical environment, the refrigeration systems are not working under identical conditions.

The model number is the same.

The operating environment is not.

This is one reason we state the 21°C inlet-water reference condition together with our rated capacity rather than presenting tonnage without context.

Water Cooling Makes the Site Part of the System

The TV100 in this project uses water cooling. Why Site Conditions Matter in a…

That means the engineering conversation extends beyond the tube ice machine itself.

Cooling-water conditions and heat rejection become part of the installation. Machine-room layout, ventilation and utility preparation also need to be considered before the equipment arrives.

The TV100 uses a compressor configuration of approximately 46 HP depending on final configuration, but this figure should not be treated as the factory's actual electricity consumption.

Actual energy use depends on refrigeration load, operating hours, water temperature, ambient conditions, equipment condition and control strategy.

That is why simply multiplying compressor horsepower by 24 hours does not provide a reliable daily operating cost.

Once a factory is running, a much more useful calculation is:

Daily electricity cost = actual measured kWh × local electricity tariff

Then:

Electricity cost per kg = daily electricity cost ÷ saleable daily ice output

These numbers allow the ice producer to evaluate the real cost of operating the plant under its own local conditions rather than relying on a generic “energy-saving” claim.

The Model Is the Same. The Engineering May Not Be.

This Malaysia project is useful because it changes the way a 10-ton specification should be read.

Capacity, compressor brand and machine price are easy to compare in a quotation.

Water temperature, ambient temperature and heat-rejection conditions are less visible.

But once the machine is installed, those conditions become part of everyday operation.

For a tropical project, we therefore want to understand the site—not just the required tonnage.

A 10-ton tube ice factory operating in a warm coastal market should not automatically be treated exactly the same as a 10-ton project operating under cooler conditions.

Both customers may purchase a Koller TV100.

Both machines may carry the same rated capacity.

But the engineering assumptions behind the projects can be different.

For our Malaysia customer, 10 tons/day was the starting point. The real engineering discussion began with the conditions under which those 10 tons had to be produced.

That is the value of this project as a reference for other commercial ice producers working in tropical markets.