SR501 EN Operation Manual
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When DHW pump signal displays and blinks, it indicates that temperature
controlled DHW pump mode is running.
When signal displays and blinks, it indicates the flow switcher controlled
DHW pump mode is running.
6.6 AH Automatic thermostat function
Automatically thermostat function is independent from solar system, it is used to
release the extra heat to reduce the tank temperature or to trigger back-up
heater to heat tank to the desired temperature. This function needs an
electromagnetic valve or circulation pump P1, corresponding temperature
sensor is T1 or tst (when the output P1 is allocated to the other functions, this
function shows NONE).
Note:
AHO<AHF: this thermostat function is used to control the back-up heater
AHO>AHF: this thermostat function is used to release the extra heat from tank
Setup steps:
►Select main menu AH
►Press “SET” button, parameter “OFF” blinks on the
screen
►Press “▲▼” to activate this function
►Press “SET” or “ESC” button to confirm the set.
►Press “▲” button, parameter “AHS S1” appears
(sensor elected for this function, S1 presents T1, tst
presents tank temperature)
►Press “SET” button, parameter “S1” blinks on the screen
►Press “▲▼” to select sensor
►Press “SET” or “ESC” button to confirm.