SR981S/SR982S operation manual of solar pump station
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screen, default set is “OFF”.
►Repress “SET” button to activate or deactivate this function; after function activated,
“COOL 95
o
C” displays on the screen and 95
o
C blinks,
►Press “ ” button to adjust temperature, adjustable range (5
o
C
~
120
o
C
)
► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically,
parameters are saved automatically.
When the sign in red circle displays on the screen, it
indicates that cooling function is enabled.
Application example
8.5.14 AHO Automatical thermostat function
Automatically thermostat function is independent from solar system, it is used to release
the extra heat to reduce the tank temperature or to trigger back-up heater to heat tank to
the desired temperature. This function needs an electromagnetic valve or circulation pump
R1, corresponding temperature is T4.
Note:
AHO<AHF: this thermostat function is used to control the back-up heater
AHO>AHF: this thermostat function is used to release the extra heat from tank
To access submenu AHO, “AHO- - -” displays on the screen.
►Press “SET” button, parameter “- - -” blinks on the screen
AHO<AHF, back-up heating
AHO>AHF, extra heat release