SR1128 operation manual
~21~
through this reversed circulation, storage temperature is reduced by heat loss occurs in
collector, solar pump keeps in working until storage temperature drops below its maximum
temperature.
Setup steps:
To access main menu TEMP, then select submenu REC, “REC OFF” displays on screen,
default set is off.
►Press “SET” button, parameter “OFF” blinks on
screen
►Repress “SET” button to activate or deactivate this
function; after function activated, factory set is “REC
ON”
► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically,
parameters are saved automatically.
REC signal displays on screen, it indicates that this function is activated.
5.3.7 Maximum temperature of tank 1
Description:
When the DT between collector T1 and tank 1 caters the switch-on DT of circulation, solar
pump is triggered, but in order to avoid the high temperature inside tank, controller will
check whether the temperature (T3) of the top part of tank is higher than the maximum
temperature of tank, when T3 is higher than the preset maximum tank temperature SMX,
solar pump is ceased even at the case that DT caters condition. When tank temperature
drops and is 2
o
C below the SMX temperature, solar pump restarts when DT caters
condition.
Setup steps:
To access main menu TEMP, then select submenu SMX1, “SMX1 60
o
C” displays on
screen.
►Press “SET” button, parameter “60
o
C” blinks
►Press “+” “-” button to adjust the value of maximum
temperature of tank1, adjustable range is˄2
o
C95
o
C˅,
default set is 60
o
C
►Repress “SET” button to activate and deactivate this function, if function deactivated,
“SMX1 - - -” displays on the screen.
► Press “ESC”
button to exit the menu or wait for 20 seconds to exit automatically,
parameters are saved automatically.