The grey
side of the
ECL Card
Ex
tended ser
vic
e
The grey
side of the
ECL Card
Ex
tended ser
vic
e
32n
32o
Service parameter(s) 148
Service parameter(s) 149
148 Acceptable temperature deviation above the desired
flow temperature (ΔT2
ALARM
)
Circuit
Setting range
Factory setting
I / II
1 ... 30 K
15 K / 15 K
The alarm is activated if the actual flow temperature (S3 / S4)
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.
30
°C
Flow temp.
ΔT2
ALARM
(line 148)
Desired flow temp.
No alarm if the
desired temp.
< 30 °C
Outdoor temp.
The alarm signal can only be sent via the module ECA 86 by means
of relay R4.
149 Time interval Δt
ALARM
before activation
of alarm function
Circuit
Setting range
Factory setting
I / II
1 ... 99 min.
10 min. / 10 min.
If an alarm condition from either line 147 or 148 is present for a
longer time than the time interval Δt
ALARM
, the alarm function is
activated.
1 ... 99:
Time interval Δt
ALARM
.
If you choose OFF in line 147, the alarm function in lines 148 and
149 is not activated.
The alarm signal can only be sent via the module ECA 86 by means
of relay R4.
Alarm
Temp.
Actual flow
temp.
Line 148
Desired flow
temp.
Line 147
Δt
ALARM
Line 149
Δt
ALARM
Line 149
Time
