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84 | Menu settings INSTALLER SETTINGS (for installers only)
Total slab drying time:
•
– The minimum total duration (3) is
automatically calculated by the heating
controls. This is based on a rise of supply
temperature of a maximum 18 °F (10 °C)
per day.
– A higher value must be entered for the
whole duration (3) if the slab cannot bear
this increase. This produces a
corresponding reduction in the daily
increase.
– The first stage and the last stage of the
supply temperature is 78 °F (25 °C) (fixed
value).
Example:
Maximum supply temperature (1) =
122 °F (50 °C)
Duration of maximum supply temperature (2) =
7 days
Max. increase/decrease in temperature
per day = 9 °F (5 °C)
(
122°F 77°F
)
–
2d
×
----------------------------------------- -
9°F
(
50°C 25°C
)
–
2d
×
--------------------------------------- -
+
5K
Total duration of slab drying (3) = 17 days
Start date: Enter the start date of the slab
•
drying here.
Start time: Enter the start time of the slab
•
drying here.
6 720 643 256 (2010/05)
7d
17d
+
=
7d
17d
=
°F
°C
113
45
95
35
77
25
1d
1d
4
Fig. 28
1d
1 day
1
Maximum supply temperature
2
Duration of max. supply temperature
3
Total duration of slab drying
4
Start date and start time
t
Time
VL
Supply temperature
For menu structure and adjustment range
page 65.
US/CA
2
1
1d
1d
t
3
6 720 643 250-14.1O
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