SR882 operation manual
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parameters are saved automatically.
4.5.4 MED% Concentration of heat transfer liquid
MED% Concentration of heat transfer liquid (volume percentage %), depending on the type
of heat transfer liquid, adjustable range (20 ~70), factory set 40%
Setup steps:
To select submenu MED%
, “MED% 40” displays on
screen.
►Press “SET” button, parameter “40” blinks on the
screen
►Press “+” “-” button to adjust concentration,
adjustable range (20
～
70
）
► Press “ ESC” button to exit the menu or wait for 20 seconds to exit automatically,
parameters are saved automatically.
Note:
when MEDT is set as 00 or 03, then its MED% concentration doesn
’t appear.
4.6 INTV Pump interval function
Description:
This function is useful when collector sensor isn
’t installed on collector (sensor installed on
the outlet pipe of collector). In order to measure the actual temperature of collector, when
circuit pump is in standby status, every 30 minutes (this parameter is set at ISTP menu),
solar pump is triggered to run for 15 seconds (this is set at the IRUN menu), so that the hot
water inside the collector can flow into the pipe, where sensor is mounted, as the result, the
actual temperature of collector is measured. It is unnecessary to activate this function in all
time, you can use it within a preset time section, default set time is 07:00 ~18:00; this time
can be set at ISTAR and IEND submenu.
Setup steps:
To select submenu INTV
, “INTV” displays on the
screen.
► Press “SET” button to access menu, “INTV
OFF
”
displays.
► Repress “SET” button, parameter “OFF” blinks,
factory set is
“OFF”
