Instruction of SR91 Split Pressurized Solar Hot Water System
Page 41 of 49
button for 3 seconds to switch-off FS function, and after the fault is removed, then
monitoring function is activated again.
Flow monitoring function is designed to detect whether flow exists in the solar system and
therefore to switch-off the corresponding pump in case of no flow,
If “OFF” option of the flow monitoring function is activated, and then the loaded tank is
stopped to be heated until error message is removed, then monitoring function is activated
again.
Note
: reasons of no flow in the solar system:
No flow due to pipe leakage in system
Circuit pump is damaged.
Digital flow counter is blocked or damaged.
Under this menu, it is possible to activate or deactivate the flow monitoring function.
If flow monitoring function is activated, flow sign displays on the screen, and under the
checking status, current flow can be checked L/M
Note
: digital flow counter FRT is not listed in the standard delivery, user should buy it
separately (see item 12 Accessories).
Menu Structure
Main
menu
Sub
menu
Factory
set
Adjust
able
range
Step
per
adjust
Description
FS
OFF
OFF
OFF
/
ON
Flow monitoring function
Function setting
►Select FS main menu
►Press “SET”, “FS OFF” displays
