SR882 operation manual
~ 42 ~
Setup steps:
To select submenu DVWG,
“DVWG ----” displays on
screen. Default set is
“----”.
►Press “SET” button, parameter“----” blinks on the
screen.
►Repress “SET” button, function is triggered. And then “70
o
C
” blinks on the screen
。
►
Press
“+” “-” button to adjust this temperature,
adjustable range is
：（
5
～
95
℃）。
►Press “ESC” button to exit the menu or wait for 20
seconds to exit automatically, parameters are saved
automatically.
4.8.2 COOL Tank cooling function
Description:
Tank high temperature cooling function is independent of solar system
’s operation, this
function is used to maintain the tank with a constant temperature, so extra energy in tank
will be transferred to other devices, to achieve this function, it is necessary to add a
electromagnetic valve or a circuit pump P2, its temperature is monitored by T3.
For example:
The set point of tank high temperature cooling function is 70
o
C
，
then when tank temperature
(T2) rises up to 71
o
C, tank cooling function is activated, electromagnetic valve or circuit
pump and DT circuit pump (P1) are triggered at the same time; when tank temperature ( T2)
drops to 67
o
C
，
electromagnetic valve or circuit pump and DT circuit pump (P1) are ceased
at the same time.
Setup steps:
To select submenu COOL
, “COOL ---” displays on
screen.
►Press “SET” button, “----”blinks on the screen,
default set is
“---.”
►Repress “SET” button, to activate cooling function, and “COOL 95
o
C
” displays on the
screen
, (“95
o
C
” blinks)
