GB-8
D
GB
NL
RUS
PL
F
E
UA
CN
Setting mode
▷
Press and hold the MODE selection button when
the heater is switched off to go to Setting mode.
•
Switch off the heater
OFF
1
2
3
4
5
AUTO
+AUT
MODE
(RESET)
ON/OFF
O
.
▷
Mode E: eBus addresses can be saved.
Mode A/F: multi-functional outputs can be pa-
rameterized.
MFA 2
MFA 1
eBus address
Mode
E
Mode
A
/
F
MODE
button
MODE
button
MODE
button
MODE
button
eBus adddress
1
... eBus address
8
Save eBus address
0
Inactive
1
Fault (NC)
2
Fault (NO)
3
Operation
4
Standby
0
Inactive
1
Main fan
active
2
Main fan
inactive
3
Modulation
enable
> 2 s MODE button
> 2 s MODE button
> 2 s MODE button
> 2 s MODE button
> 2 s MODE button
> 2 s MODE button
> 2 s MODE button
OFF
▷
Press the RESET button to return to the previ-
ous menu.
▷
After a timeout of 20 s, the display will auto-
matically return to the initial mode. The display
indicates “–”.
Adjusting the heater
Burner gas pressure p
G
p
u
= Inlet pressure
p
G
= Gas pressure on the burner
▷
The gas pressure on the burner is adjusted using
p
G
on the combination control.
+ -
+
-
p
u
p
G
▷
For this, the outlet pressure p
G
must be meas-
ured on the combination control.
Disconnect the system from the electrical power
supply. The mains plug may only be pulled out
once the device has been switched off and post-
cooling is complete.
Shut off the gas supply.
Open pressure test point p
G
.
+ -
+
-
p
G
+ -
+
-
0
p
G
4
Switch on the power supply.
5
Release the gas supply.
▷
The inlet pressure p
u
must comply with the tech-
nical data, see page 23 (Technical data).
6
Switch on the burner control unit. Press the
ON/OFF button
OFF
1
2
3
AUTO
+ AUT
MODE
(RESET)
ON/OFF
O
until an LED lights up.
7
Select the Heating
2
operating mode.
8
Let all heaters burn for at least 20 s.
▷
The required gas pressure on the burner depends
on the heating value/Wobbe index.
9
Select the required gas pressure on the burner
from the tables:
Natural gas, LPG
Gas type
Heating
value
Wobbe
index
[mbar]
[MJ/m
3
]
Natural gas L G 25
32.49
41.53
13.5
Natural gas H G 20
37.78
50.71
9.5
LPG G 30
125.81
87.34
19.5