User manual BOSCH GWS 11-125 CIE

[. . . ] 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. · Do not touch any electrical switch; do not use any phone in your building · Immediately call your gas supplier from a neighbor's phone. · If you cannot reach your gas supplier, call the fire department. [. . . ] 19 Vertical twin pipe termination 6 720 607 909 17 Installation instructions 3. 6. 5 Vertical terminations Caution: Failure to install a condensate drain may result in damage not covered by the manufacturer's warranty. See Table 5 for known approved vertical vent terminations. Over 12/12 to 14/12 Over 14/12 to 16/12 Over 16/12 to 18/12 Over 18/12 to 20/12 Over 20/12 to 21/12 5. 0 6. 0 7. 0 7. 5 8. 0 1. 52 1. 83 2. 13 2. 27 2. 44 Table 9 Termination heights at various roof pitches Horizontal runs Any gas vent section that is greater than 45 degrees from the vertical is considered horizontal. Horizontal sections must slope upwards from heater at least ¼ inch for every foot of its horizontal length and be properly supported. Under no circumstances should the exhaust vent pipe pitch downward away from heater. Pitch the termination to the outside 1/4" per foot to prevent rain water from entering the pipe. Vent terminations The exhaust vent must terminate above the roof surface with an approved vent cap not less than 2 feet (0. 6 m) above the highest point where it passes through the roof and at least 2 feet (0. 6 m) higher than any vertical wall or similar obstruction within 10 feet (3. 1m). Interior masonry chimneys The single wall stainless steel exhaust vent pipe must be permanently mounted inside the masonry chimney. The masonry chimney may have to be tile or metal lined before the insertion of the gas vent pipe; check local codes for clarification. You may not vent any other fuel burning appliances into any free space remaining in the chimney. The vent terminator must extend at least 3 feet (0. 9 m) above where the chimney meets the roofline and at least 2 feet (0. 6 m) higher than any vertical wall or similar obstruction within 10 feet (3. 1 m). The top of the chimney must be sealed to prevent rain water or other elements from entering the chimney. (d)MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED. When the manufacturer of a product approved side wall horizontally vented gas fueled equipment does not provide the parts for the venting of flue gases, but identifies "special venting systems, " the following requirements shall be satisfied by the manufacturer: 1. The referenced "special venting system" instructions shall be included with the appliance or equipment installation instructions; and 2. The "special venting systems" shall be product approved by the Board, and the instructions for that system shall include a parts list and detailed installation instructions. (e) A copy of all installation instructions for all products approved side wall horizontally vented gas fueled equipment, all venting instructions, all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of the installation. 6 720 607 909 19 Installation instructions Recommended exhaust vent terminator position Fig. 21 Ref. A Description Directly below an opening; operable windows, doors and any nonmechanical fresh air openings Below a gutter, sanitary pipework or eaves Minimum distance 36 in (twin pipe installation) 48 in (single pipe installation) 24 in 12 in 12 in 12 in 7 ft 24 in 36 in 48 in 60 in B Below a gutter, sanitary pipework or eaves, protected by metal shielding From any internal corner Above ground or snow pack Above a paved sidewalk C D* E F G From an opposing wall or structure facing the termination From the relief valve of a Ip gas regulator From a terminator facing a terminator Vertically between two exhaust vent terminators on the same wall H Horizontally between two exhaust vent terminators on the same wall Horizontally and vertically from the combustion air inlet terminator 12 in 36 in 48 in 12 in 12 in I** From the gravity combustion air inlet any other equipment J K From any external corner Horizontally from an opening; operable windows, doors and any nonmechanical fresh air openings From wall on exhaust applications L 10 in Table 10 * Subject to local codes and anticipated snow level ** Other equipment that operates with a mechanical air inlet may require greater distances, reference manufacturer's instructions NOTICE: Exhaust and air intake must always be located on the same wall to cancel wind pressure effects. 20 6 720 607 909 Installation instructions 3. 6. 7 Exhaust vent configuration examples Fig. 24 Vertical venting installation NOTE: If appliance uses room air, do not place any other combustion appliance in the same space, to avoid depressurizing of the building and winter freeze-up. 23 Vertical venting Chimney installation - Masonry 6 720 607 909 21 Installation instructions 3. 7 Gas piping & connections Before connecting the gas supply, check the rating plate on the right side of the heater to be sure that the heater is rated for the same gas to which it will be connected. In the United States: The installation must conform with local codes or, in the absence of local codes, the National Fuel Gas Code ANSI Z223. 1/NFPA 54. In Canada: The installation must conform to CGA B149 INSTALLATION CODES and/or local installation codes. Warning: DO NOT connect to an unregulated or high pressure propane line or to a high pressure commercial natural gas line. [. . . ] Components Many parts in the heater can be fully recycled in the end of the product life. Contact your city authorities for information about the disposal of recyclable products. Saving water resources: B Make sure you close all the taps after any use. B Set the water temperature to the desired temperature or slightly higher. [. . . ]