Grant Solar GS222020X - Pressure Monitor; Booster Pump

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6.6.12. - Pressure monitor
6.6.12.1. - Pressure monitor
The relay is switched on when the pressure drops below set minimum or exceeds the set
maximum pressure.
Settings range: On, Off / Default setting: Off
This menu is used to congure the system pressure montoring via direct sensor. As soon as the
set limits are exceeded, the relay is switched on.
6.6.12.2. - RPS1 / RPS2
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
6.6.12.3. - Pmin
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:
6.6.12.4. - Pmax
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: 1,6 bar
Special functions
Relay functions
6.6.13. - Booster pump
6.6.13.1. - Filling time
Additional pump that lls the system at the start of every solar charge.
Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none
Time the pump is switched on
This setting determines the length of time the pump is switched on at the start of a solar charge.
Settings range: 0-120 seconds / Default setting: 30 seconds