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COMMISSIONING

Notes:

If the burners extinguish and / or an error code starts to flash on the LED display:

 release the MIN and adjuster buttons

 close the hot tap

 clear the error code (refer to “Clearing Error Code” on page 68)

 recommence the procedure from Step 8.

If the adjuster button is released before Step 13, clear any error code (if displayed) and recommence the

procedure from Step 8.

Clearing Error Code

To clear an error code:

switch off the electrical supply at the power outlet to the water heater

check the gas isolation valve at the gas inlet to the water heater is fully open

wait five (5) minutes

switch on the electrical supply at the power outlet to the water heater

Maximum test point gas pressure

Refer to the rating label on the water heater for the maximum test point gas pressure.

Follow Steps 8 to 14 of the “Minimum test point gas pressure” procedure, but open the hot tap fully and use

the MAX button instead of the MIN button. It may be necessary to open two or three hot taps fully, depending

upon the model of water heater and the incoming cold water temperature.

Note: In Step 9, “3H” (018, 020 models) or “4H” (022, 024, 026 models) will be shown on the LED display.

After setting the minimum and maximum test point gas pressures:

Close the hot tap.

Remove the manometer and refit and tighten the test point screw and washer.

Open a hot tap again so the burners ignite.

Test for gas leaks.

Close the hot tap.

Turn off the controller, if one is fitted, by pressing the on / off button

Switch off the electrical supply at the power outlet to the water heater

Refit the front panel and screws to the water heater.

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Rheem 871026 Betriebsanleitung Seite 68