Solar working station operation manual SR881
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Activate/ deactivate this function:
►Press “Holiday” button for a long time until the signal of holiday function displays on the
screen, and then holiday function is activated.
►Repress “Holiday” 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.
4.11 Manual heating
Description:
Electrical heater, gas or oil boiler can be as back-up devices in a solar system, this
controller can achieve constant temperature controlling, when controller gets temperature
signal of top part tank (T3) is 2
o
C below the preset temperature, back-up heating will be
triggered. When temperature of top part tank (T3) reaches to the preset temperature,
heating is ceased.
Conditions for triggering manual heating function: the setting temperature should be 2
o
C
higher than tank temperature.
Activate/deactivate the function:
►Press “Man.Heat” button, temperature “60
℃
” blinks on the screen.
►Press “+”“-” button to adjust switch-on temperature, adjustable range 10
℃~
80
℃
, factory
set is 60
℃
.
After 20 seconds, this function is activated, signal displays on the screen,
and heating signal blinks also. LED heating indication light is on.
►Press “Man.Heat” button again, to switch-off manual heating function.
Note:
manual heating can only heat tank one time, after manual heating is triggered, when
temperature of tank rises up to the preset temperature, manual heating ceases, and manual
heating function will be deactivated automatically, if customer wants to heat again, you need
redo according to above steps.