SR981S/SR982S operation manual of solar pump station
Page 77 of 85
Activate this function if:
You intend to leave home for an extended period (holiday)
No hot water is consumed in an extended period.
Pump is ceased when the temperature on bottom part of tank is below 35
o
C.
Activate/ deactivate this function:
►Press “ ” button for 3 seconds, sign of holiday
function displays on the screen, holiday day number “07”
flashes on the screen.
►Press “ ” button to adjust the holiday period,
adjustable range is 1-60 days.
►Press “ ” button, holiday sign disappears, holiday function is deactivated.
Note:
when you return from holiday, please deactivate this function in time.
8.11 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 temperature of top part tank
(T3) is 2
o
C below the preset switch-on temperature, back-up heating will be triggered.
When the temperature on the top part tank (T3) rises up to the preset temperature, then
heating is ceased.
Conditions for triggering manual heating function
: the preset switch-on temperature of
this function should be 2
o
C higher than the tank actual temperature.
Activate/deactivate the function:
►Press “ ” button, temperature “60
o
C” blinks on the screen.
►Press “ ” button to adjust switch-on temperature, adjustable range 10
o
C
～
80
o
C, factory set is 60
o
C.
After 20 seconds, this function is activated, signal displays on the screen, and
heating sign blinks also.
►Press “ ” button again, to switch-off manual heating function.