The grey
side of the
ECL Card
Ex
tended ser
vic
e
The grey
side of the
ECL Card
Ex
tended ser
vic
e
158 Acceptable temperature deviation above desired flow
temperature (ΔT2
ALARM
)
Circuit
Setting range
Factory setting
III
1 ... 30 K
15 K
The alarm is activated if the actual flow temperature (S5) 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 159).
This alarm can only be activated if the value in line 157 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 158)
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.
157 Acceptable temperature deviation below desired flow
temperature (ΔT1
ALARM
)
Circuit
Setting range
Factory setting
III
OFF / 1 ... 30 K
OFF
The alarm is activated if the actual flow temperature (S5)
drops too much below the desired flow temperature. The max.
deviation ΔT1
ALARM
is set here.
This condition must last longer than the time interval Δt
ALARM
(line 159).
See also line 158.
OFF:
The alarm function and the alarm relay of
the additional module ECA 86 are not active.
1 ... 30:
The alarm function is active if the actual
temperature falls below the acceptable
deviation.
30
°C
Flow temp.
ΔT1
ALARM
(line 157)
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.
32p
Service parameter(s) 157
Service parameter(s) 158
32q