72 User Manual
DOL 534 • DOL 539
4.5.4 Disinfection
Disinfection is carried out manually by adding disinfectant to
the water.
A certain temperature must be maintained in the house during
disinfection in order for the disinfectant to have optimal effect
(often over 20 °C).
DOL 53X turns off the ventilation system and adds heat as
needed in order to maintain the correct disinfection
temperature.
4.5.5 Empty House
When batch status is Empty house (in the Management/ House data menu), the DOL 53X controller will regulate
according to the settings for Empty house (set in the In-between function menu).
This function will maintain the air change in the house by allowing
ventilation to run at a fixed percentage (50%) of the system
capacity. This is to protect the animals in case a house is set at
Empty house by mistake.
In Empty house, all other alarm functions are disabled.
Preheating ensures that the inside temperature does not fall below
the preheat temperature when batch status is empty house for a
longer period of time.
Thus, the function can also be used to protect the house against
frost.
In batch production, the function Preheating at batch stop can maintain an inside temperature of 4°C, for
example, between two batches. Note that ventilation must be closed and the heating system must be on.
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