SR882 operation manual
~ 34 ~
Setup steps:
To access PUMP, then select submenu DTS,
“DTS 08
o
C
” displays on screen.
►Press “SET” button, parameter “08
o
C
” blinks on the
screen
►Press “+” “-” button, to adjust the standard DTS, adjustable range
（
2
o
C
～
30
o
C
）
, 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.
4.4.2 RIS Gain for circulation pump 1 (speed adjusting)
Setup steps:
To access menu PUMP, 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 standard RIS,
adjustable range
（
1
o
C
～
20
o
C
）
, 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 OHQM Thermal energy measuring
Description:
Controller has function for measuring the thermal energy; it can measure the energy which
is transferred from collector to tank. For the sake of measuring, the temperature on flow and
return pipe should be checked, and an extra flow meter should be installed on the
circulation pipe, it is used for measuring the flow rate.
The thermal energy transferred by solar system is calculated with measured parameters
flow rate and temperature T5 (installed on the return pipe). Thermal energy got in the
current day displays in DkWh, accumulative thermal energy displays in kWh or MWh. The
amount of 2 values is the total energy output.
Factory set of OHQM is off.
Setup steps:
To select menu OHQM
, “OHQM” displays on the screen,
