
Manual of SR288 intelligent controller
14
6. Functions operation and parameters setting (for user)
6.1 CLK Time setup
Menu structure
► Press “SET” button, select CLK menu
► Press “SET” button, hour “00” blinks on the display.
► Press “▲/▼” button to adjust hour
► Press “SET” button, minute time “00” blinks on the
display
► Press “▲/▼” button to adjust minute
► Press “SET” or “ESC” button to save the set value
Note:
In the case power to controller is switched-off, date and time will be remembered
in controller for 36 hours.
6.2 THET Timing heating
Electrical back-
up heater can be installed in the solar system to ensure the tank’s
temperature meets the required temperature, this electrical heater can be controlled
automatically by this controller, when tank temperature T3 drops below the switch-on set
point of this function, electrical heater HR is triggered to heat tank up to the switch-off
temperature, and then electrical heater HR stops working.
It is possible to set three time sections for activating this function,
Factory default set:
The first time section: heating starts at 00:00am, stops at 23:59am
The second time section: heating starts at 00:00, stops at 00:00
The third time section: heating starts at 00:00, stops at 00:00
And switch on temperature is set at 40
o
C, switch-off temperature is set at 45
o
C
If you want to shut off one timing heating ,then you can set the turning on time and turning off
time with a same value(for example, set second start time tA2 O at 00:00 and set the stop
time tA2 F at 00:00)