Solar working station operation manual SR881
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Setup steps:
To access main menu FUN, then select submenu DTS, “DTS 08
o
C” displays on the screen
►Press “SET” button, parameter “08
o
C” blinks on the
screen
►Press “+”“-” button, to adjust standard DTS, adjustable
range
（
2
℃～
30
℃）
, factory set is 08
o
C
► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically,
parameters are saved automatically.
4.5.2.2 RIS Temperature increase rate (for circuit pump speed adjusting)
Setup steps:
To access main menu FUN, then select submenu RIS, “RIS 01
o
C” displays on screen.
►Press “SET” button, parameter “01
o
C” blinks on the screen
►Press “+”“-” button, to adjust increase rate of
（
RIS
）
of
temperature difference, adjustable range
（
1
℃～
20
℃）
,
factory set is 1
o
C
► Press “ESC” button to exit the menu or wait for 20
seconds to exit automatically, parameters are saved automatically.
4.5.3 FTYP Type of Flow meter (optional)
FTYP: type of flow meter, adjustable range (01, 02)
Type of flow meter: 01: mechanical flow meter
02: digital flow meter
Under FUN main menu , select FTYP submenu, “FTYP 01” displays on the screen.
►
Press” SET” button, parameter “01” blinks on the screen.
►
Press “+” “-”button to adjust the type of flow meter, adjustable range (01, 02)
►
Press “ESC” button to exit menu, or wait for 20 seconds to exit automatically, the set
value of parameter is saved automatically.
4.5.4 OHQM Thermal energy measuring
Description:
Controller has function for measuring thermal energy; it can measure the energy which from
collector transfers to tank. For the sake of measuring, the temperature (T0, T1) on flow and
return pipe should be checked, and an extra flow meter should be installed on the circulation
pipe and it is used for measuring the flow rate.
