Instruction of SR81 Split Pressurized Solar Hot Water System
Page 54 of 59
►Press “SET” button again, the second digital blinks,
►Press “+/-” button, to enter the second digital.
►Press “SET” button again, the third digital blinks,
►Press “+/-” button, to enter the third digital.
►Press “SET” button again, the forth digital blinks,
►Press “+/-” button, to enter the forth digital.
►Press “SET” button again, “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 di di, and then release
“ESC” button, Controller recovers to the factory set password (factory set possword
is 0000),
8.16 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 of this function, manual
heating function is in standby, then 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 “Manual Heating” button, temperature “60
o
C”
blinks on the screen
►Press “+/-” button to adjust the desired temperature,
adjustable range 10
o
C~80
o
C, factory set is 60
o
C
►Press “Manual Heating” or “ESC” or waiting for 20 seconds to trigger the manual heating,
then manual sign displays on the screen, heating sign blinks the screen
►Press “Manual Heating” again, switch-off the manual heating.
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