Manual of SR258 intelligent controller
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screen, to enter the new password
►Press “SET” button again, the first digital blinks
►Press “▲/▼”, to enter the correct digital, repeats same process to enter the second, the
third and the forth digital.
►Press “SET” button, “PWDG 0000” displays on the screen, to enter the new password
again, after confirm the new password, “ OK” displays on the screen, it indicates the new
password setting successfully.
Note:
If the password is forgot, it is impossible to recover, but you can recover the
password to the factory set, then you can reedit a password like above descript steps,
doing like following to recover to factory set.
► Switch-off the power to controller
► Hold down “ESC” button
► Reconnect the power supply, when beeper sounds 3 di….., and then release “ESC” button,
Controller recovers to the factory set password (factory set password is 0000),
7.14M.H Manual heating
Function Description:
It is possible to trigger back-up heating manually with this controller to heat tank. When tank
temperature is lower than the set point of the switch-on temperature, manual heating function
is in standby, when you press the manual heating button, heating will start, and it works until
tank temperature reaches to the set point.
Activate/deactivate this function
:
►Press “M.H” button for 3 seconds, temperature “60
o
C” blinks on the screen
►Press “▲/▼”, to adjust the desired temperature, adjustable range 10
o
C~80
o
C, factory set
is 60
o
C
►Press “M.H” or “ESC” or waiting for 20 seconds to trigger the manual heating, then manual
sign lighted on the screen, and the heating sign blinks the screen
►Press “M.H” again, switch-off manual heating.
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.
7.15 Holiday function
The holiday function is used for operating the system when no water consumption is
