25-46 Destaging Speed [RPM]
Range: Function:
0 RPM* [0 - 0 RPM] Readout of the below calculated value for Destaging Speed. When removing a fixed speed pump,
in order to prevent an undershoot of pressure, the variable speed pump ramps up to a higher speed.
When the variable speed pump reaches the “Destaging Speed” the fixed speed pump is destaged.
Destaging Speed is calculated based on par. 25-43
Destaging Threshold
, and par. 4-13
Motor Speed
High Limit [RPM]
.
Destaging Speed is calculated with the following formula:
DESTAGE
=
HIGH
DESTAGE
%
100
where n
HIGH
is Motor Speed High Limit and n
DESTAGE100%
is the
value of Destaging Threshold.
25-47 Destaging Speed [Hz]
Range: Function:
0.0 Hz* [0.0 - 0.0 Hz] Readout of the below calculated value for Destaging Speed. When removing a fixed speed pump,
in order to prevent an undershoot of pressure, the variable speed pump ramps up to a higher speed.
When the variable speed pump reaches the “Destaging Speed” the fixed speed pump is destaged.
Destaging Speed is calculated based on par. 25-43
Destaging Threshold
, and par. 4-14
Motor Speed
High Limit [Hz]
.
Destaging Speed is calculated with the following formula:
DESTAGE
=
HIGH
DESTAGE
%
100
where n
HIGH
is Motor Speed High Limit and n
DESTAGE100%
is the value of Destaging Threshold.
3.23.5 25-5* Alternation Settings
Parameters for defining the conditions for alternation of the variable speed pump (lead), if selected as part of the control strategy.
3 Parameter Description VLT
®
HVAC Drive Programming Guide
248
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark
3
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