Issue: 01.08.2020
Control Logic
Parameters for neutral zone compressor control
As well as the decrease and increase differentials, 4 time
maximum and minimum time to reach the request, equal to 0% or 100%, for the decrease and increase respectively.
Example: the decrease/increase times (minimum and maximum) represent the time ne
minimum capacity and vice-versa, and not the time between the deactivation/activation of the individual device. For example, in
the case of 4 devices with the same capacity, an increase time of 180 s means that one device is
In the situation shown in the figure, the request sent by the controller decreases/increases slowly as soon as the controlled
is outside of the Neutral zone, while it decreases/increases quickly the further the controlled value
zone; in this way the response of the system is faster when further from steady conditions.
Note: When using fixed times, the maximum and minimum must be set to the same value. In this case, the request sent by the
controller decreases/increases constantly inside the deactivation/ activation differential.
1.
Preset loading and unloading time
2.
Preset time interval for loading and unloading compressor
Note: None of the above settings can be altered
Parameters for neutral zone compressor control
As well as the decrease and increase differentials, 4 time parameters are preset, two for each zone, which represent the
maximum and minimum time to reach the request, equal to 0% or 100%, for the decrease and increase respectively.
Example: the decrease/increase times (minimum and maximum) represent the time needed to change from maximum to
versa, and not the time between the deactivation/activation of the individual device. For example, in
the case of 4 devices with the same capacity, an increase time of 180 s means that one device is activated every 45 s.
In the situation shown in the figure, the request sent by the controller decreases/increases slowly as soon as the controlled
is outside of the Neutral zone, while it decreases/increases quickly the further the controlled value
zone; in this way the response of the system is faster when further from steady conditions.
Note: When using fixed times, the maximum and minimum must be set to the same value. In this case, the request sent by the
decreases/increases constantly inside the deactivation/ activation differential.
Preset time interval for loading and unloading compressor
Note: None of the above settings can be altered
Page 28
parameters are preset, two for each zone, which represent the
maximum and minimum time to reach the request, equal to 0% or 100%, for the decrease and increase respectively.
eded to change from maximum to
versa, and not the time between the deactivation/activation of the individual device. For example, in
activated every 45 s.
In the situation shown in the figure, the request sent by the controller decreases/increases slowly as soon as the controlled value
moves away from the Neutral
Note: When using fixed times, the maximum and minimum must be set to the same value. In this case, the request sent by the
Summary of Contents for JEHSD-0400-B3-M-3
Page 32: ...Issue 01 08 2020 Page 32 Electrical Wiring Diagram JEHSD 0400 B3 M 3 JEHSD 0600 B3 M 3 ...
Page 33: ...Issue 01 08 2020 Page 33 Electrical Wiring Diagram JEHSD 0800 B4 M 3 ...
Page 39: ...Issue 01 08 2020 Page 39 Technical Information Small Version Controller ...
Page 41: ...Issue 01 08 2020 Page 41 Certification ...
Page 42: ...Issue 01 08 2020 Page 42 Certification ...
