SR1128 operation manual
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displays on the screen to indicate reentering password successfully.
►Press “ESC” button to exit set program or wait for 20 seconds to exit automatically.
Warning If the password is forgot, it is not possible to recover, but you can recover
the password to factory set, then you can reedit a password like above descript steps, doing
like following to recover to factory set.
►Switch-off the power of controller firstly,
►Press “SET” and hold it down, then reconnect the power supply.
►Buzzer makes “du-----“ 3 times, then release “SET” button. Controller recovers to factory
set( factory set possword is 0000), a new password can be reset now.
6. Button function
6.1 Holiday function
Description:
This function activates in night, solar liquid will flow from storage tank to collector to cool the
tank, and therefore to prevent overheating problem of the solar system due to completely
heated storage tank. The function is activated at night between 10 pm and 6 am, when the
temperature of collector is 8
o
C below the storage tank temperature (T2), solar circuit pump
starts to work until the temperature of collector is 2
o
C below the tank temperature, and then
solar circuit pump is ceased.
Activate this function if:
x You intend to be absent for an extended period (holiday)
x No hot water is required for an extended period.
Note: The function is deactivated when the temperature on bottom of tank is below 35
o
C.
Activate/ deactivate this function:
►Press button for a long time until the signal of holiday function displays on the
screen, and then holiday function is activated.
►Repress button, signal disappears, holiday function is deactivated.
Note:
This function is only activated when you are not at home for long time, when you come back;
please make sure to deactivate it.
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