Grant Solar GS222020X - Vfs (X); Pressure Monitor

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Special functions
6.9.2. - VFS (X)
Select a VFS sensor for  ow measurement.
6.9.2.1. - VFS Typ
The VFS type is set here.
Settings range: Off; 1-12; 1-20; 2-40; 5-100; 10-200; 20-400 / Default setting: Off
6.9.2.2. - VFS - Position
This setting determines the position of the VFS sensor.
Settings range:  ow, return / Default setting: return
6.9.2.3. - Reference sensor
The reference sensor used for the heat metering is set here.
Settings range: S1-S8, VFS1-2, active collector, active storage/ Default setting: S6
Caution
To prevent damage to the Vortex Flow Sensor it is strongly recommended to install it into the
return  ow. If it is necessary to install in the  ow, it is imperative not to exceed the maximum
temperatures of the sensor! (0° C to 100°C and -25°C to 120°C short term)
6.10. - Pressure monitor
6.10.1. - Pressure monitor
6.10.1.1. - RPS1 / RPS2
6.10.1.2. - Pmin
6.10.1.3. - Pmax
A message is shown when the pressure drops below set minimum or exceeds the set maximum pressure.
No relay is switched, for that see „6.4.12. - Pressure monitor“ on page 39.
Maximum pressure.
If this value is exceeded, an error message is displayed and the relay is switched on.
Settings range: Off; 0,0 to 10 bar
Default setting: Maximumvalue of the sensor
Minimum pressure.
If this value is undershot, an error message is displayed and the relay is switched on.
Settings range: Off; 0,0 to 1.6 bar
Default setting: 0,0
Type of pressure sensor
This menu is used to determine the type of pressure sensor used.
Please note: If e.g. VFS1 is connected, RPS1 option is not shown.
Settings range: Off; 0-0.6 bar; 0-1 bar; 0-1.6 bar; 0-2.5 bar; 0-4 bar; 0-6 bar; 0-10 bar
Default setting: Off
A message is shown and the LED  ashes when the pressure deviates from the set minimum or maximum
value.
Settings range: On, Off / Default setting: Off