SR981S/SR982S operation manual of solar pump station
Page 49 of 85
≥95
o
C
Setup steps:
To access main menu TEMP, then select submenu CMX,
“CMX 110
o
C” shows on the screen
►Press “SET” button, “110
o
C” blinks
►Press “SET” button to activate and deactivate this
function, if deactivate the function, “CMX - - -” shows on the screen
►Press “ ” button to adjust collector limited maximum temperature , adjust
range: (110
o
C
～
190
o
C), factory set is 110
o
C
► Press “ESC” button to exit menu or wait for 20 seconds to exit, set parameters are
saved automatically.
CMX sign displays on the screen, it indicates that collector cooling function is
activated.
8.4.3 CMN Low temperature protection of collector
Description:
When the actual temperature of collector is below the preset CMN temperature, solar
circuit pump is ceased, even when the temperature difference between collector and tank
exceeds switch-
on temperature difference, solar pump doesn’t work yet. When the
temperature of collector is 2
o
C higher than the preset CMN temperature, solar circuit pump
is recovered to standby, controller exits this program.
Setup steps
:
To access main menu TEMP, then select submenu CMN, “CMN - - -” shows on the screen,
default set is OFF.
►Press “SET” button, default off sign “- - -” blinks on the
screen.
►Repress “SET” button to activate and deactivate this
function.
►Press
“
” button to adjust the low protection
temperature of collector CMN, adjustable range (00
o
C
～
90
o
C ), after activate the function,
factory set is 10
o
C
► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically,
