User manual BOSCH HGV74W255A

[. . . ] . 1 28 Installation instructions en B-080789-01 9000 459462 Table of contents General information . 12 Selecting the side for the gas connection . 19 Adjusting or replacing the burner bypass nozzles (small flame setting) . 20 2 Table of contents Leak test and function test . [. . . ] DO NOT use a naked flame for detecting leaks. Ignite all burners both individually and separately to ensure correct operation of gas valves, burners and ignition. Turn gas taps to low flame position and observe stability of the flame for each burner individually and all together. Only in this way can a correct installation be guaranteed. Caution d Gas connection: Never connect the appliance outlet directly to the gas pipe. Always use the connecting pieces that are supplied with the appliance. Type of connection Country ISO 7 1 AU NZ Australia New Zealand x x 14 Connection for natural gas (NG) Connection in accordance with ISO 7 1 With natural gas (NG), the gas connection is made via a gas tube or a flexible security tube equipped with a screw thread at both ends. 1. Insert the new seal into the connecting piece. Attach the connecting piece (SW24) to the gas connection (SW22). 3. Secure the screw thread (SW24) of the gas tube or flexible security gas tube to the connecting piece with a suitable sealant. The gas pressure regulator supplied with the appliance must be installed in line with the gas pipe (NG only). 5. Carry out a leak test, see the "Leak test" section. Open the locking device for the gas connection. Note d Observe the country specific requirements. 15 Connection for liquefied gas (LPG) With liquefied gas (LPG), the gas connection must be made via a flexible gas tube or a fixed tube. Important information for the use of a flexible gas tube: A flexible security gas tube or a plastic tube with a diameter of 8 or 10 mm must be used. It must be secured to the gas connection with a permissible connection device (e. g. The tube can have a maximum length of 1. 5 m. Observe current requirements. Note It must be replaced once a year. d Observe the country specific requirements. Insert the new seal into the connecting piece. Screw in the connecting piece (SW24) to the gas connection (SW22). 3. Insert the flexible security gas tube and tighten securely with the screw thread or suitable hose clamp. Carry out a leak test, see the "Leak test" section. Open the locking device for the gas connection. 16 Converting the type of gas To convert the type of gas replace the gas connecting piece replace the burner nozzles replace the bypass nozzles on the burner taps or close them to the limit stop The diameters with the corresponding values are specified on the nozzles. For information about the suitable type of gas and gas nozzles, see the "Technical data - Gas" section. [. . . ] Moisten the area around the gas connection with foam. If the foam dissolves or gas escapes, see "If gas escapes". Also check the side closed with a blind plug for leaks. 24 Checking the burner nozzles 1. Open the locking device for the gas connection. [. . . ]