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5.7 Programme for drying screeds
The controller has a built in function of gradual drying of screeds which is especially important for
new buildings and before installing flooring.
Before using the programme for drying screeds you have to consult the contractor for screeds.
According to his requirements you can use the standard programme or adjust it.
The programme for drying screeds is located in the menu
mode
.
5.7.1 Standard programme
This programme consists of 8 steps and is normally adjusted for all systems of floor heating. Before
activating this programme you have to set the maximum allowed temperature of the return water,
i.e. 30 °C.
Steps 1-4:
Heating
Step 5:
Maintaining the reached temperature
Steps 6-8:
Cooling
Steps 1 to 4 mean the heating phases which last 24 hours each (parameter
Step
). The needed
maximum temperature of return water (parameter
Maximum
) is reached in four equal steps which
start with 20,0 °C (parameter
Initial
). For finishing each step the time limit of 24 hours must be met.
If the temperature of individual steps is reached sooner, the device maintains this temperature for
the remaining time.
In step 5 we maintain the maximum reached temperature at this level for additional 264 hours
(parameter
Duration
). After this time the following step is possible.
Steps 6 to 8 are cooling phases performed in equal steps as the heating, only in reverse order.
Each step lasts 24 hours - which is a total of 72 hours, in this time the temperature of the return
water falls from maximum temperature to 20,0 °C (parameter
Final
).
When this programme finishes completely, the device returns to normal operation.
Example:
The maximum temperature of return water is 300 °C.
Steps 1 to 4:
20,0/23,3/26,6/30,0 °C – in 96 hours
Step 5:
30,0 °C – constant temperature for 264 hours
Steps 6 to 8:
26,6/23,3/20,0 °C – in 96 hours
1.
In the user menu choose the menu
Mode
with the key
and press the key
(ENTER).
2.
Choose the
Screed drying
parameter by
pressing
and press the
(ENTER)
key.
> Mode
<
Temperatures
Mode AUTO
>Screed drying
NO <
Initial
20.0°C
Maximum..……………… 30.0°C
Содержание WPG 30
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