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Installation and operating instructions • Drive for Wilo-Helix2.0-VE / Wilo-Medana CH3-LE • Ed.01/2022-06
Universal
Display text
1.1.1
Control mode
1.1.2 p-c
Setpoint p-c
1.1.3 Kp
Parameter Kp
1.1.4 Ti
Parameter Ti
1.1.7
Emergency operation mode
1.1.8
Emergency operation speed
1.1.9
Setpoint source
1.1.9 / 1
Internal setpoint
1.1.9 / 2
Analog input (AI2)
1.1.9 / 3
CIF module
1.1.10
Substitute setpoint
1.1.13
Zero-flow test: ON/OFF
1.1.14
Zero-flow test: delay
1.1.15
Pump ON/OFF
The following parameters appear when the control type “p-c” is selected:
•
Setting the setpoint p-c
When selecting the menu item, the desired pressure can be set as the setpoint.
NOTICE
The setpoint is only adjustable, when the Setpoint source is configured
as „Internal setpoint“ (see Configuration of Setpoint source).
•
Setting the parameter Kp
When selecting the menu item, the desired Kp can be set.
NOTICE
This parameter is set by default to fit most of the water supply applica-
tions. This parameter can be adjusted by an expert to solve some pres-
sure instabilities in the installation.
•
Setting the parameter Ti
When selecting the menu item, the desired Ti can be set.
NOTICE
This parameter is set by default to fit most of the water supply applica-
tions. This parameter can be adjusted by an expert to solve some pres-
sure instabilities in the installation.
•
Setting the emergency operating mode
In the event of a fault, the failure of the required sensor, an emergency mode can be
defined.
When the emergency operation mode menu item is confirmed, you can choose between
Pump OFF and Pump ON. When selecting Pump ON, another menu item “Emergency
speed” appears. The emergency speed can be set here.
•
Setting the setpoint source
Sources can be selected between “Internal setpoint‘, “Analogue input AI 2” or a CIF
module.
