Converting To Natural Gas Ll; Reducing The Operational Output (If Required) - Viessmann MatriX Service Instructions For Contractors
Pressure-jet gas burner for the vitocrossal 300, type cm3 rated heating output 87 to 142 kw
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Also See for MatriX:
- Service instructions manual (52 pages) ,
- Service instructions for contractors (52 pages) ,
- Service instructions manual (48 pages)
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Commissioning, inspection, maintenance
Converting to natural gas LL
(Not in
and
)
a
c
A
B
C
Fig. 2
Danger
Escaping gas leads to a risk of explosion.
Check all fittings for gas tightness.
Reducing the operational output (if required)
The maximum heating output of the burner can be set
to between 70 and 100 % of the rated heating output if
necessary.
8
01. Close the gas shut-off valve.
02. Switch OFF the system ON/OFF switch on the
control unit.
03. Switch OFF the mains isolator (outside the instal-
lation room) or isolate the mains power and
secure against unintentional reconnection.
04. Release the cable fixings on the gas pipe and
remove the connecting cables from the gas train.
05. Release fittings
and
A
pipe.
06. Undo restrictor
.
B
07. Insert restrictor
for natural gas LL (included in
B
delivery) (for diameter, see table on page 40).
08. Refit the gas pipe. Insert gaskets into fittings
and
C
.
09. Secure the gas train cables to the gas pipe.
10. Affix the enclosed label "Set to ..." over the exist-
ing label.
11. Start the burner (see page 7).
!
Please note
The use of leak detection spray can result in
faulty operation.
Leak detection spray must not come into contact
with electrical contacts.
and remove the gas
C
A
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