SR882 operation manual
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4.6.4 IRUN Pump running time
Setup steps:
To select submenu IRUN
, “IRUN 15” displays on the
screen.
► Press “SET” button, parameter “15” displays and
blinks, factory set is
“15 seconds”
► Press “+” “-” button, to adjust time, adjustable range
5~ 120 seconds.
► Press “ESC” button to exit the menu or wait for 20 seconds to exit automatically,
parameters are saved automatically.
4.7 SFB Solid fuel boiler turn on/off
Description
: Under SFB boiler is standby. If the tank temperature T3 drops below the
preset turn-on temperature of solid fuel boiler ( SFON), and temperature of solid fuel boiler
(T4) is between its minimum
“MIN3” and its maximum “ MAX3” ( MIN3< T4<MAX3), then
solid fuel boiler (P2) is triggered; when tank temperature T3 rises up to the preset turn-off
temperature of solid fuel boiler (SFOF),or when temperature of the solid fuel boiler(T4)
exceeds its MIN3 and MAX3
（
that is T4>MAX3, or T4<MIN3
）
, then solid fuel boiler is
stopped.
Note:
the preset MIN3 should be at least 1
o
C higher than the preset SFOF, for example: set
SFON is 50
o
C, SFOF is 55
o
C
，
then MIN3 should be at least 1
o
C higher than SFON, namely
it is 56
o
C. Then when the tank temperature is below 50
o
C, solid fuel boiler is triggered, when
the tank temperature rises over 55
o
C, solid fuel boiler is stopped.
Setup steps:
To select submenu SFB
, “SFB” displays on the
screen.
► Press “SET” button, “SFB OFF” displays on the
screen.
► Repress “SET” button, parameter “OFF” blinks, factory set is “OFF”
► Press “SET” button again to activate this function,
then
“SFB ON” displays on the screen.
► Press “ESC” button to exit the menu or wait for 20
seconds to exit automatically, parameters are saved
automatically.
