The grey
side of the
ECL Card
Extended service
32u
Service parameter(s) 148
148 Acceptable temperature deviation above the desired
flow temperature (ΔT2
ALARM
)
Circuit Setting range Factory setting
(I) / (II) 1 ... 30 K (5) / (5) K
The alarm is activated if the actual flow temperature rises too
much above the desired flow temperature. The max. deviation
ΔT2
ALARM
is set here.
This condition must last longer than the time interval Δt
ALARM
(line 149).
This alarm can only be activated if the value in line 147 is set to
1 ... 30 K.
1 ... 30: The alarm function is active if the actual
temperature rises above the acceptable
deviation.