48 - DRR245 -
User manual
13
Alarm Intervention Modes
13.a
Absolute Alarm or Threshold Alarm (
a. AL.
selection)
1
Alarm Spv
Pv
Off
On
On
Off
Hysteresis
parameter
> 0
Time
Alarm
output
Absolute alarm with controller in
heating functioning (par. 11
Act.t.
selected
Heat
) and hysteresis value
greater than “0” (par. 28
A.1.HY.
> 0).
N.B.*
2
Alarm Spv
Off
On
On
Off
Hysteresis
parameter
< 0
Time
Alarm
output
Absolute alarm with controller in
heating functioning (par. 11
Act.t.
selected
Heat
) and hysteresis value
less than “0” (par. 28
A.1.HY.
< 0).
N.B.*
3
Alarm Spv
Pv
Off
On
On
Off
Hysteresis
parameter
> 0
Time
Alarm
output
Absolute alarm with controller in
cooling functioning (par. 11
Act.t.
selected
CooL
) and hysteresis value
than “0” (par. 28
A.1.HY.
> 0).
N.B.*
Summary of Contents for DRR 245
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