13
Conversion for 115 to 311 kW
G
F
A
BCD
E
Fig. 4
0
1.
Close the gas shut-off valve.
0
2.
Switch OFF the system ON/OFF switch on the
control unit.
0
3.
Switch OFF the mains isolator (outside the instal-
lation room) or isolate the mains power and
secure against unintentional reconnection.
0
4.
Undo fitting
A
.
0
5.
Disconnect control cable
G
from the gas train.
0
6.
Release the gas train from flange
E
.
0
7.
Remove restrictor
C
with rubber cork gasket
D
.
0
8.
Secure the gas train to flange
E
:
■
With
O-ring
B
■
Without restrictor
C
■
Without rubber cork gasket
D
Torque for M 5 nuts: 1.5 Nm
0
9.
Secure fitting
A
with a new gasket.
10.
Plug control cable
G
into the gas train.
11.
Check control cables:
■
Correct connection and kink-free routing
■
Application and seating of retaining clips
12.
Affix supplied label "Set to ..."
F
over the existing
label.
13.
Start the burner.
14.
Check for gas tightness.
Danger
Escaping gas leads to a risk of explosion.
Check gas routing components for leaks.
!
Please note
The use of leak detection spray can result in
faulty operation.
Leak detection spray must not come into
contact with electrical contacts.
Commissioning, inspection, maintenance
Converting to natural gas LL
(cont.)
5812086