SR981S/SR982S operation manual of solar pump station
Page 47 of 85
8.4.1 EMOF Maximum switch-off temperature of collector (for collector
emergency close function)
Description:
When collector temperature rises up to this maximum switch-off temperature (EM),
collector emergency function is activated, solar circulation pump is stopped in order to
avoid the damage of system’s other components caused by high temperature. The
adjustable range of EMOF temperature is
(
EMON+3
o
C
~
200
o
C
)
, factory set is 130
o
C. If
the temperature of collector rises up to EMOF limited temperature, solar circuit pump is
ceased, but when collector temperature drops to the collector maximum switch-on
temperature EMON
(
factory set is 120
o
C
)
, solar circuit pump will be recovered to standby,
and collector emergency close function is deactivated.
EMOF Maximum switch-off temperature of collector
Setup steps:
To access main menu TEMP, then select submenu EMOF, “EMOF 130
o
C” shows on the
screen
►Press “SET” button, parameter “130
o
C” flashes.
►Press “ ” button, to adjust this maximum
switch-off temperature, adjust range (EMON+3
o
C
)~
200
o
C, factory set is 130
o
C
►Repress “SET” button to activate and deactivate this function, if deactivate the function,
“EMOF - - -” shows on the screen.
► Press “ESC” button to exit menu or wait for 20 seconds to exit, set parameters are
saved automatically.
EMON Maximum switch-on temperature of collector
Setup steps:
To access main menu TEMP, then select submenu
EMON, “EMON 120
o
C” shows on the screen
►Press “SET” button, parameter “120
o
C” flashes.
►Press “ ” button, to adjust this maximum
switch-on temperature, adjust range (EMOF-3
o
C
)~