47 © STULZ GmbH – all rights reserved EN/06.2019/G57
C7000 INSTRUCTIONS fOR a/C UNITS
The corresponding commands:
Here you can separately adjust a setpoint for the condensation pressure of
each refrigerant circuit. The G valve is controlled according to this setpoint.
For the DX-mode and the mixmode in case of proportional GE control indi-
vidual values can be set. The setpoint for mixmode should be higher than for
DX mode. So the water flow through the G-valve will be smaller (than in DX
mode) and more water will flow through the FC coil. This way free cooling
takes a greater part in total cooling. For normal GE control only the DX value is
operative.
The dynamic condensation pressure control which can be set in the Config
menu level is explained on the following pages.
Set the alarm delay for the low pressure alarm of circuit 1 and 2 in the last but
one line.
The alarm delay for high pressure alarm of circuit 1 and 2 can be set in the last
line.
Values
Refrigerant
circuit 1
Refrigerant
lowpressure 2 alarmdelay 5
highpressure 1 alarmdelay 5
cpset 1 mix 18.2
cpset 1 dx 16.0
Operate/Values/Refrigerant
Operate
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