When Humidity exceeds the Humidistat set point, the “Recirc Damper closes and the ventilation system operates in the “Heat Exchange” mode. free of chlorine odour and low in humidity). Its purpose is to switch the system to Heat Exchange mode at regular intervals, regardless of other conditions to ensure Indoor Air Quality is maintained (i.e. An automatic timer may override the “Recirc” mode to ensure the Heat Exchanger does not operate in “Recirc” mode for long periods. In “Recirc” mode the Room Thermostat maintains air temperature relatively close to the thermostat set point, which should be 1 or 2 deg C above the water temperature,to minimise condensation. The ventilation system automatically functions in “Recirc” mode whenever the Pool Hall environment is within the set points of the Humidistat and Room Thermostat. Ventilation is one solution to humidity problems, and “Heat Recovery Ventilation” by re-cycling energy makes the most sense, both economically and ecologically.Īvon Electric Ltd can also design and supply a mechanical dehumidification system, tailor made to suit your needs. The performance charts (see links on the left) refer to a number of swimming pools throughout the country where we have installed HRV systems. Equally, similar solutions can be reached. This example is a private pool in a luxury home but the same problems are encountered in larger public pools. This “Heat Recovery Ventilation (HRV)” system was designed to be fully automatic, switching between three operating modes (see links on the left) as circumstances dictated. Ventilation is the solution, and by utilising a system which contained an “Air to Air” heat exchanger, which recycles the heat from the exhaust air to warm the incoming air, heating costs were kept down. You can also email Heller at or Carmichael at with any questions.When this indoor pool was built in a luxury Canterbury home, special consideration was given to the issues of humidity and condensation and the structural damage that damp can cause. To learn more including pool hours, lifeguard training requirements, and to sign up for a lifeguard training course visit or.
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