Set Control Of Cascade Heat Exchanger - Danfoss ADAP-KOOL AK-PC 783 Design Manual

Configuration - continued

Set control of cascade heat exchanger

1. Go to Configuration menu
2. Select Cascade control
3. Set values for the control
64 Capacity controller RS8GN202 © Danfoss 11-2013
3
Sensor
Selection of control sensor: Scasc3 is normally used, but if the Sd-LT tem-
perature is representative, this sensor can be selected.
Output type
Selection of signal for control of expansion valve:
Step valve; possibly two in parallel.
Voltage signal
AKV valve; possibly two in parallel (AKV is not recommended near the
plate heat exchangers).
EVR in liquid line
If a signal is required for a magnet valve in the liquid line.
Injection stat signal
No signal
Signal from LT control
The signal must be mounted on a DI input.
Signal to ext. cascade
The controller can send a signal to an external cascade control.
SH close, SH min, SH max
Values for control of superheat.
MOP-MT
MOP-temperature for MT circuit.
Tc-LT min
Minimum temperature for Tc in LT circuit
Tc-LT max
Maximum temperature for Tc in LT circuit
Advanced settings
Choose whether the technical control settings are to be visible.
AK-PC 783