Instruction of SR81 Split Pressurized Solar Hot Water System
Page 55 of 59
Note: Manual heating is not a continuous heating process, it is triggered manually, and
when the temperature reaches to the set point, the heating process is stopped. And manual
heating function is stopped automatically.
8.17 ECO Economic mode
Function description：
Under the ECO economic mode, timing heating and intelligent heating functions are
switched-off, only manual heating mode (M.H) can be used to trigger the electrical heater.
Activate/deactivate this function:
►Press “ECO Mode” button, sign displays, it
indicates Eco mode is on.
►Press “ECO Mode” button again, sign closed, it indicates the ECO mode is off.
8.18 DHW circuit pump triggered manually
Note: Only when function of DHW circuit pump CIRC is activated, it is just possible to
trigger the output R2 manually for running the DHW circuit pump. (Default pump runs for 3
minutes)
► Press “ “one time, to trigger the DHW circuit pump R2
► Press “ “again, to cease the manual output.
8.19 On/Off controller
Under the on status
►Press button for 3 seconds; controller is switched-off, “OFF” shows on the screen.
►Repress button again, controller restarted.
8.20 Holiday function
The holiday function is used for operating the system when no water consumption is
expected, e. g. during a holiday absence. This function cools down the system in order to
reduce the thermal load.
Activate/deactivate this function:
►Press “Holiday” button for 3 seconds, “HDAY 05”
displays on the screen
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