Vaillant ecoMAX 665 Installation And Maintenance Manual

Also see for ecoMAX 665: Instructions for use Installation and maintenance manual

Vaillant ecoMAX 665 Installation And Maintenance Manual Manual pdf 22 page image

22 Installation and maintenance manual ecoMAX 665Note!Adjust only in increments of 1/8 turn and waitapprox. 1 minute after each adjustment untilthe value stabilises.- Turn to the left (anti-clockwise):higher CO 2 content- Turn to the right (clockwise):lower CO2 contentSettings Naturalgas HtoleranceCO2 after 5 minutes full-load operation 8.8 +/- 1.0set for Wobbe index Wo 15.0Table 5.2 Factory gas setting• After the setting procedure, put the air intake pipeback up.• Check the CO2 content again.If necessary, repeat setting.• Quit the P.1 test program by pressing the “+” and “i”keys simultaneously. The measuring operation is alsoquit when no key has been pressed for 15 minutes.• Screw the screw (4) in.• Put on the appliance casing.5.3 Functional testI0Fig. 5.5 Functional testAfter installing the appliance and setting the gas, per-form a functional test before commissioning the appli-ance and handing it over to the user.• Commission the appliance in accordance with theinstructions in the relevant operating manual.• Check the appliance for gas and water leaks.• Check the flue system for leaks and that it is fixedproperly.• Check over-ignition and that the flame on the burneris burning evenly.• Check that the heating and hot water generation areworking properly.• Pass the appliance on to the user.The Vaillant ecoMAX 665 possesses status codes thatdisplay the operating status of the appliance in the DIAsystem display. A functional test of the hot water opera-tion and heating operation can be carried out usingthese status codes by pressing the “i” key.Filling the storage tank• Switch on the appliance and the connected hot watercylinder.• Make sure that the cylinder thermostat is requestingheat.• Press the “i” key.When the cylinder is correctly charged, the status code“S.24” appears in the display.Fig. 5.6 Display during rechargingHeating mode• Switch on the appliance.• Make sure that heat is being requested.• Press the “i” key.When the heating is running correctly, the status code“S.4” appears in the display.Fig. 5.7 Display during heating mode5 Putting the device into service