Setup Control Of The Pump - Danfoss ADAP-KOOL AK-HP 780 Design Manual

Configuration - continued

Setup control of the pump

1. Go to Configuration menu
2. Select pump
3. Set control mode and reference
Press the +-button to go on to the
next page
4. Set values for capacity regulation
AK-HP 780
We select "speed" in our example.
Heat pump controller RS8GF202 © Danfoss 2015-08
3 - Reference
Control sensor
S7: Media temperature is used for regulation
Setting
Setting of setpoint
Min reference
Min. permitted reference
Max reference
Max. permitted reference
4 - Capacity control
No pumps
It is only possible to connect to one pump.
Monitoring of the pump
Safety monitoring of the pump. A digital input
must used
Capacity control mode
Select control mode for the pump
On/Off: The pump is connected via a relay outlet
Speed: The pump is controlled via speed control
(frequency converter)
Control type
Choice of control strategy
P-band: The pump capacity is regulated via
P-band control. The P band is configured as
"Proportional band Xp"
PI-Control: The pump capacity is regulated by
the PI controller.
Capacity curve
Choice of capacity curve type
Linear: The same amplification in the entire area
Square: Square curve shape, which gives higher
amplification at higher loads.
VSD start speed
Minimum speed for start of speed control (Must
be configured higher than "VSD Min. Speed %")
VSD min Speed
Minimum speed whereby speed control is cut-
out (low load).
Proportional band Xp
Proportional band for P/PI controller
Integration time Tn
Integration time for PI controller
VSD safety monit.
Choice of safety monitoring of frequency con-
verter. A digital inlet is used for monitoring the
frequency converter.
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