Viessmann VITOPEND 200 - Checking All Gas Equipment for Soundness at Operating Pressure; Checking the Diaphragm Expansion Vessel and System Pressure

Flue gas emissions test
Coaxial boiler connection
Coaxial flue outlet bend
A Flue gas
B Ventilation air
Parallel boiler flue connection
1. Connect the flue gas analyser to
test port A.
2. Open the gas shut-off valve. Start
the boiler.
3. Select the lower rated output.
Constant temperature control
unit:
K + d press simultaneously:
"1" is shown.
Weather-compensated control
unit:
K + d press simultaneously:
"Relay test" and then
"Base load" is shown.
4. Check the CO
2 or O2 and CO con-
tent. Enter actual values into the
service report.
5. Press d.
Operation with the lower rated out-
put is terminated.
Further details regarding the individual steps (cont.)
37
Commissioning, inspection, maintenance
5862 831 GB
Service