User manual BOSCH GWS 14-125 CI

[. . . ] In the Commonwealth of Massachusetts this product must be installed by a licensed plumber or gas fitter. Upon completion of the installation, these instructions should be handed to the user of the appliance for future reference. What to do if you smell gas · Close gas valve. · Do not try to light any appliance. [. . . ] B Record static gas pressure reading in table 5. 2. 12. 3 Operating Pressure Test B ON/OFF switch in position OFF (0). B Press and hold "Program" (M) button and turn ON/ OFF switch to ON position. i THESE FIGURES ARE FOR GWH-635ES SUPPLY ONLY, ALL OTHER APPLIANCES IN THE BUILDING MUST BE INCLUDED IN THE PIPE SIZING. National Fuel Gas Code requires that a sediment trap (drip leg) be installed on gas appliances not so equipped. Also, a manual gas shut off valve must be installed on the gas supply line within close proximity of the water heater and be visible from the water heater. Warning: The heater must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures equal to or more than 0. 5 psig. The water heater must not be piped with gas supply pressures in excess of 0. 5 psig. If overpressure has occurred, such as through improper testing of the gas lines or malfunction of the supply system, the gas valve must be checked for safe operation. When connections are made, check for gas leaks at all joints. Apply some soapy water to all gas fittings. Danger: If you have a leak, shut off the gas. Tighten appropriate fittings to stop leak. To install the PRV, a suitable fitting connected to an extension on a "T" fitting can be sweated to the hot water line. Support all piping. 4, 000 ft - 7, 000 ft (1, 219 m - 2, 134 m) CO2 adjustment with flue gas analyzer required See chapter 9 for instructions. Above 7, 000 ft (above 2, 134 m) Not approved Table 6 2. 13 Water connections When facing the heater, the ¾" cold water inlet is on the bottom right and the hot water outlet is on the bottom left. Install the heater centrally in the building if possible and make hot water piping runs as short as possible. INLET FILTER SCREEN HOT COLD Fig. 25 B THE USE OF A UNION WHEN CONNECTING BOTH WATER PIPES TO THE INLET AND OUTLET CONNECTIONS IS RECOMMENDED, THIS WILL FACILITATE ANY NECESSARY SERVICING AND REQUIRED CLEANING OF THE INLET WATER PARTICLE SCREEN. Although water piping throughout the building may be other than copper, we recommend that copper, galvanized or suitably rated stainless steel flex line piping be used for the water heater connections (follow 18 Fig. 26 Plumbing Connections and Pressure Relief Valve 6 720 607 072 Appliance details 2. 14 Electrical connections Warning: For safety reasons, disconnect the power supply to the heater before any service or testing is performed. Warning: This heater must be electrically grounded in accordance with the most recent edition of the National Electrical Code. In Canada, all electrical wiring to the heater should be in accordance with local codes and the Canadian Electrical Code, CSA C22. 1 Part 1. Do not rely on the gas or water piping to ground the metal parts of the heater. The GWS 14-125 CI requires an electrical power supply from a 120VAC 60Hz circuit and must be properly grounded. A means for switching off the 120VAC power supply must be provided. [. . . ] Certain service labor allowances are available to PHCC member contractors, dependent on prior authorization by BBTNA. General BOSCH PRO water heaters are warranted by the Manufacturer (BOSCH) through BBT North America. BBT North America (BBTNA) will furnish a replacement heat exchanger and will furnish a replacement of any other part which fails in normal use and service within the applicable periods specified below, in accordance with the terms of this warranty. The BBTNA replacement will be warranted for the unexpired portion of the original warranty. This warranty will be valid only for water heaters in possession of the original purchaser as recorded on the warranty card. [. . . ]