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ALARMS
The controller activates the alarm when the room temperature reaches a user-
defined limit value. The lower limit is defined by the set point minus the lower
alarm offset. The upper limit is defined by the set point plus the upper alarm
offset. The controller also activates the alarm in case of a power failure or a
fault in the supply circuit.
In case of a high temperature alarm: if the temperature reaches the high
temperature limit and if the curtain has reached its maximum opening value
(as defined by the user), the curtain continues to open according to the timer
cycle until it is completely open (100%).
In case of a low temperature alarm: if the temperature reaches the low
temperature limit, the curtain is closed according to the timer cycle until it is
completely closed (0%).
Temperature
o
85
F
Set Point
o
= 75
F
o
65
F
36
TC4-NVS/P.rev.05
High
Offset
o
10
F
L o w
offset
o
10
F
ALARM
ALARM
Time
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