115
Installation and service instructions, vacuum
module
Calls up the "Fill vacuum module" menu
1.
d
+
å
simultaneously for approx. 4 seconds.
The
"Service"
menu appears.
2.
|
/
~
for
"Service functions"
3.
d
to confirm.
4.
|
/
~
for
"Fill vacuum module"
.
5.
d
to confirm.
6.
|
/
~
for
"Yes"
.
7.
d
to confirm.
8.
ä
until the default display is shown.
Running the pellet hopper until empty
Note
This function is only available for discharge systems
with vacuum module.
See the "Charging scheme" in "Code 1, hardware" on
page 90.
The following setting options are available in the
"Run
hopper until empty"
menu:
■
"No"
The pellet hopper is never run until completely
empty. Normal operation with
"Day hopper idle run-
time"
set.
See "Codes", "Charging" group on page 95.
■
"Yes"
The pellet hopper is always run until empty. Excep-
tion: The fuel quantity is too low to start the boiler.
■
"Automatic"
–
The pellet hopper is regularly run until empty.
■
"Once"
–
The pellet hopper is run until empty once. After
running until empty, the setting
"Run hopper until
empty"
is automatically reset to
"No"
.
Calling up the "Run pellet hopper until empty" menu
1.
d
+
å
simultaneously for approx. 4 seconds.
The
"Service"
menu appears.
2.
|
/
~
for
"Service functions"
.
3.
d
to confirm.
4.
|
/
~
for
"Run hopper until empty"
.
5.
d
to confirm.
6.
|
/
~
to select.
7.
d
to confirm.
8.
ä
until the default display is shown.
Checking the changeover unit
This function is for testing or manually switching the
changeover unit.
Note
This function is
only available
for discharge systems
with
changeover unit type 0
.
!
Please note
Incorrect operation of the changeover unit can
cause a blockage in the vacuum system.
When the "Suction" function is active, observe
the fill level of the pellet hopper.
Only activate the "Flush" function when the suc-
tion wand is empty.
Diagnosis and service checks
Filling the vacuum module
5679249
Diagnosis
