
Manual of SR288 intelligent controller
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ON/OFF)
►Press “▲/▼” to adjust value
►Press “SET” to confirm the value you set
Note:
Enter the menu adjustment interface, if you don’t press any button in 3 minutes,
screen will exit the adjustment and return to the main interface.
5.3 Value checking
At the normal operation mode, press “▲/▼” button, you can view the temperature of
collector and tank, pump speed(n1%), accumulated pump running time(hR1), accumulated
thermal energy(KWh or MWh), flow rate(L/M), controller running time (DAYS), software
version (SW).
Under the checking status, when the digital flow meter is failed, (L/M 0.0) will display on the
flow meter, it is possible to quickly set the flow meter type to a fixed flow rate (mechanical
flow meter), doing follow steps:
►Press “▲/▼” button, select flow rate, (L/M 0.0) displays.
►Press “SET” button for 3 seconds, beeper sounds “du….” 3 times, and then flow rate is set
to a fixed value (read from mechanical flow meter). Electronic flow meter is switched off.
Note:
Flow rate display, sterilization function, auxiliary function and parallel relays function can
only be displayed only when the function is activated.
When sterilization function is running, sterilization time can be checked, when auxiliary
function is running, corresponding signal blinks on the screen
Thermal energy is showed as kWh under kWh channel, is showed as MWh under MWh
channel, total accumulation of thermal energy produced by solar system is the plus of
kWh + MWh
Enter the value check interface, if you don’t press any button within 3 minutes, screen
will exit the check interface and turn to main interface.
5.4 Function checking
Under standby status, press “SET” button for 3 seconds, then press “▲/▼” button to check
the type of pump.