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When it comes to Calorifier Sizing, it is important to determine not only the correct size but also the correct relationship between storage and recovery to enable the most efficient usage from your hot water system.
Oversizing the calorifier can lead to unnecessary costs both in your calorifier cost and in the ongoing running of your system. On the other hand inadequate storage can lead to the system not meeting the users requirements.
For most commercial situations a storage capacity sufficient for 1 Hour output with a corresponding heater input is considered adequate. However, a pattern of hot water usage can be projected based on the function of building, the activity that takes place and its population.
For example, environments such as Offices and Schools usually operate on a 12 hour period and other buildings such as Hospitals and Factories may operate on 24 hour periods.
Where the shower demand takes up the majority of the hourly consumption, efforts should be made to obtain an accurate estimate of the total usage and the timespan involved.
Where installation space permits, additional storage volume can provide a useful reserve of hot water. If space for 1 Hour storage volume is not available then increasing the power output of the heat source could allow for the storage capacity to be reduced accordingly. For recoveries below 30 minutes, McDonald Water Storage PLATEflow, a combined buffer and plate heat exchanger system should be considered.
Additionally, dividing the total storage demand between multiple Calorifiers can also safeguard the supply and would also allow part of the system to be shut down during off peak periods or seasons, this can be particularly helpful for Hotels with seasonal demand or Sports Centres where high demand can be predicted a certain times of the day or week.
Calorifier Sizing Guide
The sizes below provide a general guide to the approximate sizes of calorifiers for key capacities, however we can design and manufacture a calorifier to your exact requirements.
To find out more about our full range of calorifiers click here or contact our technical sales team on 01592 611123 to discuss your project.
Calorifier Sizing - Capacity vs Standard Shell Sizes
|450||1800 x 600|
|500||2000 x 600|
|550||2200 x 600|
|600||1800 x 675|
|700||2150 x 675|
|700||1700 x 750|
|800||1950 x 750|
|900||2200 x 750|
|1000||2200 x 800|
|1000||1750 x 900|
|1200||2050 x 900|
|1500||2500 x 900|
|1500||2000 x 1050|
|1800||2400 x 1050|
|1800||1750 x 1200|
|2000||2500 x 1050|
|2000||1950 x 1200|
|2500||2450 x 1200|
|2500||1900 x 1350|
|3000||2900 x 1200|
|3000||2300 x 1350|
|3500||2700 x 1350|
|4000||3050 x 1350|
For further information on calorifier sizing or to discuss your project, call our technical sales team on 01592 611123 or email email@example.com