Viessmann GS1B, Инструкция по эксплуатации

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Checking the nozzle pressure
A Test connector
B Protective cap
C Phillips screw
D Hexagon screw
1. Close the gas shut ‐ off valve.
2. Remove the screw inside test
connector
A and connect the
pressure gauge.
3. Open the gas shut ‐ off valve.
Start the boiler.
4. Activate the emissions test switch
" S " (full load):
&
For Vitotronic 100, type KC4
and Vitotronic 200, type KW5:
Press
O and F simulta-
neously for approx. 2 s.
&
For Vitotronic 100, type GC1
and Vitotronic 300, type GW2:
Set the emissions test switch to
"
Æ ".
5. Test the nozzle pressure at full
load.
In case of deviation from the
value in the table on page 12:
&
Remove protective cap B .
&
Counter Phillips screw C .
&
Adjust the nozzle pressure at
hexagon screw
D (turn clock-
wise — nozzle pressure rises).
6. Record the setting values in the
service report on page 32.
7. Pull plug ‐ in connector lÖ apart
(partial load).
Further details regarding the individual steps
(cont.)
10
Initial start-up, inspection, maintenance
5692
647
GB