Vaillant ecoMAX 665 Installation And Maintenance Manual

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Vaillant ecoMAX 665 Installation And Maintenance Manual Manual pdf 21 page image

21Installation and maintenance manual ecoMAX 665 / 0020020159_03• Open the filling cock and tap valve again if necessary.a Caution!If there is still too much air in the system afterthe venting program has finished, the programmust be started again.a Caution!After the filling process has finished• Close the filling unit and remove the filling hose.• Inspect all connections for leakage.10Fig. 5.1 Bleeding the appliance5.1.4 Filling the siphonMount the siphon as described in the accompanying in-stallation instructions.11/32/3b.c.a.835311_00 102004ecoTEC123Fig. 5.2 Filling the siphona Caution!If the installation set is not there, do not startup the appliance, contact Vaillant customerservice.d Danger!If the device is operated with an empty conden-sate siphon, there is the danger of poisoningthrough escaping flue gases.Therefore, it is mandatory to fill the siphon asper the accompanying description before start-up.5.2 Checking the gas setting5.2.1 Factory gas settinga Caution!This appliance is suitable for use on G20 naturalgas only. It is important to check the gas rateof the appliance and perform a flue gas analysischeck.The appliances are set ex works to the values listed in table.• Check the CO2 percentage as described in chapter 5.2.3.ecoMAX 665Appliance design Natural gas HDesignation on the appliance badge I2HFactory setting to Wobbe index Ws (in kWh/m3),corresponding to 0 °C/1013 mbar 15.0Factory setting of the hot water output (in kW) 65.0Factory setting of the heating output (in kW) 60.0Table 5.1 Overview of factory gas settings5.2.2 Gas inlet working pressureCheck the inlet pressure as described below:• Remove the front case from the boiler.• Close the gas shutoff valve fitted to the boiler.• Loosen the sealing screw marked ”in” (1) on the gasvalve assembly (Fig. 5.3).• Connect a digital or a U gauge (2).• Open the gas shutoff valve fitted to the boiler.• Put the boiler into service (refer to the Instructionsfor Use supplied with the boiler).• Check the U gauge reading and ensure the inlet gaspressure is between the pressures detailed below.Putting the boiler into service 5