Viessmann VITOPEND 200 Installation And Service Instructions Manual page 37

Further details regarding the individual steps
Flue gas emissions test
Coaxial boiler adaptor
Parallel boiler adaptor
Boiler adaptor bend
A Flue gas
B Ventilation air
Initial start-up, inspection, maintenance
(cont.)
1. Connect the flue gas analyser to
test port A.
2. Open the gas shut‐off valve. Start
up the boiler.
3. Select the lower rated output.
Constant temperature control
unit:
K + d press simultaneously:
"1" is shown on the dis-
play
Weather–compensated control
unit:
K + d press simultaneously:
"Relay test" and then
"Base load" is shown on
the display
4. Check the CO or O
2
tent. Record actual values in the
service report on page 121.
5. Press d.
Operation with the lower rated out-
put is terminated.
6. Select the upper rated output.
Constant temperature control
unit:
K + d press simultaneously:
"1" is shown.
a
press:
"2" is shown.
Weather–compensated control
unit:
K + d press simultaneously:
"Relay test" is shown.
a
"Full load" is shown.
and CO con-
2
37