SR882 operation manual
~ 30 ~
Setup steps:
To access main menu TEMP, then select submenu CMX “CMX 110
o
C” displays on the
screen.
►Press “SET” button, parameter “110
℃
” blinks.
►Press “+”“-” button, to adjust the collector protection
temperature, adjustable range (70
℃～
190
℃）
, factory
set is 110
℃
►Repress “SET” button, activate and deactivate this
function, if deactivate the function, “CMX - - -” displays on screen.
►Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically,
parameters are saved automatically.
CMX signal displays on screen, it indicates that this function is activated.
4.3.4 CMN low temperature protection of collector
Description:
When the temperature of collector is below preset CMN temperatures, solar circuit pump is
locked, even when the temperature difference between collector and tank exceeds the
switch-
on temperature difference, solar pump doesn’t work yet. When temperature of
collector is 3
o
C higher that the preset CMN temperature, solar circuit pump is unlocked for
operating, controller exits this program.
Setup steps
:
To access main menu TEMP, then select submenu CMN, “CMN-----” displays on screen,
default set is off.
►Press “SET” button, default off signal “- - -” blinks
on screen.
►Repress “SET” button, to activate and deactivate
this function
►Press “+”“-” button, to adjust the low protection temperature of collector CMN, adjustable
range (00
℃～
90
℃
), after activate the function, factory set is 10
℃
► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically,
parameters are saved automatically.
CMN signal displays on screen, it indicates that this function is in activated.
