Viessmann WS3A Instruções de Operação descarregar pdf (Página 16)

1. Connect a flue gas analyser at the

flue gas aperture A on the boiler

adaptor.

2. Open the gas shut-off valve, com-

mission the boiler and create a heat

demand.

3. Select the lower rated output.

Constant temperature control unit:

Press both keys 9 and d simul-

taneously until th e display shows

Weather-compensated control unit:

Press both keys 9 and d simul-

taneously until th e display shows

Relay test.

With a/b in the display, select

Basic load.

4. Check the CO

2 content. Should the

actual value deviate by more than

1 % from the above range, imple-

ment steps from p age 15 (possib ly

replace the burn er).

5. Enter actual values into the service

report.

6. Set the upper rated output.

Constant temperature control unit:

With a/b in the display, select

Weather-compensated control unit:

With a/b in the display, select

Full load.

Further details regarding the individual steps (cont.)

Initial start-up, inspection, maintenance

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Viessmann WS3A Instruções de Operação Página 16