valutazioni - 2, GPA: 3.5
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Facilità d'uso
First check the identification plate on the boiler for the suitable gas type. Do not use the boiler for another type of gas than indicated on the identification plate of the boiler. This will cause improper functioning and can damage the boiler. Natural gas: resume with chapter 6.4.1 Propane gas: resume with chapter 6.4.2 Installation ii 6.4.1. Gas connection with natural gas Sediment trap figure 7 i! ii The gas supply connection must comply with local regulations or, if such NOTICE regulations do not exist, with the National Fuel Gas Code, ANSI Z 223.1. For Canada, the gas connection must comply with local regulations or, if such regulations do not exist, with the CAN/CSA B149.1, Natural Gas and Propane Installation Code. Pipe sizing for natural gas Contact gas supplier to size the gas supply line and meter. Gas piping A sediment trap must be installed upstream of the gas controls. The boiler gas pipe is equiped with external 3/4" M-NPT thread, onto which the tail piece of the gas shut off valve can be connected. Use appropiate sealing. The connection to the boiler must include a suitable method of disconnection and a gas control valve must be installed adjacent to the boiler for isolation purposes. The nominal inlet gas pressure measured at the boiler should be 7" W.C. (18 mbar) for Natural gas (Gas A). Maximum pressure with no flow (lockup) or with the boiler running is 10.5 inches W.C. Minimum pressure with the gas flowing (verify during boiler startup) is 5.0 inches W.C. The gas pipe must be fitted to the gas valve free from any strain. NOTICE Make sure that the gas pipe system does not contain dirt, particularly with new pipes. DANGER Always check the safety of the gas pipe system by means of a bubble test using leak-search spray. The boiler and its individual shut off valve must be disconnected from the NOTICE gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 PSI (3.5kPa). The boiler must be isolated from the gas supply piping system by closing its NOTICE individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 PSI (3.5 kPa). Installation & Servicing Instructions Rinnai E-Series ii 6.4.2 Gas connection with propane gas The gas supply connection must comply with local regulations or, if such NOTICE regulations do not exist, with the National Fuel Gas Code, ANSI Z 223.1. For Canada, the gas connection must comply with local regulations or, if such regulations do not exist, with the CAN/CSA B149.1, Natural Gas and Propane Installation Code. Pipe sizing for propane gas -Contact gas supplier to size pipes, tanks, and 100% lockup gas pressure regulator. Propane Supply Pressure Requirements -Adjust propane supply regulator provided by the gas supplier for 14 inches W.C. maximum pressure. -Pressure required at gas valve inlet pressure port: - Maximum 14 inches W.C. with no flow (lockup) or with boiler running. - Minimum 8 inches W.C. with gas flowing (verify during boiler startup). Ensure that the high gas pressure regulator is installed at least 6 to 10 feet DANGER upstream of the boiler. Gas piping -Use a gas shut off valve compatible with propane gases. -A sediment trap must be provide upstream of the gas controls. The boiler pipe is equiped with external 3/4" M-NPT thread, onto which the tail piece of the gas shut off valve can be screwed. Use appropriate sealing. The connection to the boiler must include a suitable method of disconnection. A gas control valve must be installed adjacent to the boiler for isolation purposes. The nominal inlet working gas pressure measured at the boiler should be 12 inch W.C. (30mbar) for Propane gas (Gas E). The gas pipe must be fitted to the gas valve free from any strain. Make sure that the gas pipe system does not contain dirt, particularly withNOTICE new pipes. Always check the safety of the gas pipe system by means of a bubble test DANGER using leak-search spray. The boiler and its individual shut off valve must be disconnected from the NOTICE gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 PSI (3.5kPa). The boiler must be isolated from the gas supply piping system by closing its NOTICE individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 PSI (3.5 kPa). ! Gas shut off valve onto boiler figure 7 i! ii Installation 6.5 Hot water supply ! Connection of the drinking water installation should be performed according to the national secondary drinking water regulations. Do NOT use toxic chemicals, such as are used for boiler treatment in potable DANGER water heating systems used for space heating. The sanitary water pipes can be connected to the installation by use of adapter fittings. The cold water inlet on the Combi boilers must be equiped with the following components (counted in the water flow direction)...
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