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6

InstallatIon requIreMents for the coMMonwealth of Massachusetts

coMMonwealth of Massachusetts

For all side wall terminated, horizontally vented power vent, direct 

vent, and power direct vent gas fueled water heaters installed in 

every dwelling, building or structure used in whole or in part for 

residential purposes, including those owned or operated by the 

Commonwealth and where the side wall exhaust vent termination 

is less than seven (7) feet above finished grade in the area of 

the venting, including but not limited to decks and porches, the 

following requirements shall be satisfied:

InstallatIon of carBon MonoXIde detectors

At  the  time  of  installation  of  the  side  wall  horizontal  vented 

gas fueled equipment, the installing plumber or gasfitter shall 

observe  that  a  hard  wired  carbon  monoxide  detector  with  an 

alarm and battery back-up is installed on the floor level where 

the gas equipment is to be installed. In addition, the installing 

plumber  or  gasfitter  shall  observe  that  a  battery  operated  or 

hard wired carbon monoxide detector with an alarm is installed 

on  each  additional  level  of  the  dwelling,  building  or  structure 

served by the sidewall horizontal vented gas fueled equipment. 

It shall be the responsibility of the property owner to secure the 

services of qualified licensed professionals for the installation of 

hard wired carbon monoxide detectors.

In  the  event  that  the  side  wall  horizontally  vented  gas  fueled 

equipment is installed in a crawl space or an attic, the hard wired 

carbon monoxide detector with alarm and battery back-up may 

be installed on the next adjacent floor level.

In the event that the requirements of this subdivision can not be 

met at the time of completion of installation, the owner shall have 

a period of thirty (30) days to comply with the above requirements 

provided that during said thirty (30) day period, a battery operated 

carbon monoxide detector with an alarm shall be installed.

approved carBon MonoXIde detectors

Each carbon monoxide detector as required in accordance with 

the above provisions shall comply with NFPA 720 and be ANSI/

UL 2034 listed and CSA certified.

sIGnaGe

A  metal  or  plastic  identification  plate  shall  be  permanently 

mounted to the exterior of the building at a minimum height of 

eight (8) feet above grade directly in line with the exhaust vent 

terminal for the horizontally vented gas fueled heating appliance 

or equipment. The sign shall read, in print size no less than one-

half (1/2) inch in size, 

“Gas vent dIrectlY Below. Keep 

clear of all oBstructIons.”

InspectIon

The  state  or  local  gas  inspector  of  the  side  wall  horizontally 

vented gas fueled equipment shall not approve the installation 

unless, upon inspection, the inspector observes carbon monoxide 

detectors and signage installed in accordance with the provisions 

of 248 CMR 5.08(2)(a) 1 through 4.

eXeMptIons

The following equipment is exempt from 248 CMR 5.08(2)(a)1 

through 4:

The equipment listed in Chapter 10 entitled “Equipment Not 

1. 

Required To Be Vented” in the most current edition of NFPA 

54 as adopted by the Board; and
Product Approved  side  wall  horizontally  vented  gas  fueled 

2. 

equipment installed in a room or structure separate from the 

dwelling,  building,  or  structure  used  in  whole  or  in  part  for 

residential purposes.

Manufacturer requIreMents - Gas 

equIpMent ventInG sYsteM provIded

When the manufacturer of Product Approved side wall horizontally 

vented  gas  equipment  provides  a  venting  system  design  or 

venting system components with the equipment, the instructions 

provided  by  the  manufacturer  for  installation  of  the  equipment 

and the venting system shall include:

Detailed instructions for the installation of the venting system 

1. 

design or the venting system components; and
A complete parts list for the venting system design or venting 

2. 

system.

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  venting  the  flue  gases,  but  identifies  “special  venting 

systems,”  the  following  requirements  shall  be  satisfied  by  the 

manufacturer:

The  referenced  “special  venting  system”  instructions  shall 

1. 

be  included  with  the  appliance  or  equipment  installation 

 instructions; and 

The “special venting systems” shall be Product Approved by 

2. 

the Board, and the instructions for that system shall include a 

parts list and detailed installation instructions. 

A  copy  of  all  installation  instructions  for  all  Product 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.

Содержание GPHE 50 Series

Страница 1: ...DEALER FROM WHOM THE WATER HEATER WAS PURCHASED IF YOU ARE UNSUCCESSFUL PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER RESIDENTIAL GAS WATER HEATERS For Your Safety AN ODO...

Страница 2: ...alert symbol indicates a potentially hazardous situation which if not avoided could result in property damage WARNING CAUTION CAUTION DANGER All safety messages will generally tell you about the type...

Страница 3: ...3 GENERAL SAFETY INFORMATION...

Страница 4: ...4 GENERAL SAFETY INFORMATION at least 18 45 7cm above the floor This will reduce but not eliminate the risk...

Страница 5: ...tion Association 1 Batterymarch Park Quincy MA 02269 3 The water heater when installed must be grounded in accordance with the local codes or in the absence of local codes the National Electrical Code...

Страница 6: ...feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch...

Страница 7: ...ting 4 Places Shown DD Plastic Top EE On Off Switch FF Exhaust Tee GG Elbow GET TO KNOW YOUR WATER HEATER GAS MODELS A Vent Pipe B Anode C Hot Water Outlet D Outlet 120 VAC F Gas Supply G Main Manual...

Страница 8: ...8 TYPICAL INSTALLATION CONDENSATE HOSE AND DRAIN PAN FIGURE 1A...

Страница 9: ...time to burn relationship for normal adult skin If anyone using hot water provided by the water heater being installed fits into one of these groups or if there is a local code or state law requiring...

Страница 10: ...talled Water heaters are sometimes installed in locations where leakage may result in property damage even with the use of a drain pan piped to a drain However unanticipated damage can be reduced or p...

Страница 11: ...rine based chemicals refrigerants etc in addition to being highly flammable in many cases will also react to form corrosive hydrochloric acid when exposed to the combustion products of the water heate...

Страница 12: ...size of openings providing fresh air into confined spaces EXHAUST FANS Where exhaust fans are installed additional air should be provided to replace the exhausted air When an exhaust fan is installed...

Страница 13: ...a reference for the openings that provide fresh air into confined spaces only Do not refer to these illustrations for the purpose of vent installation See Installation of Vent System on pages 18 27 fo...

Страница 14: ...e requirements or such conditions as high line pressure among others have installed devices such as pressure reducing valves check valves and back flow preventers Devices such as these cause the water...

Страница 15: ...n 6 Spread the slit open and slip the insulation over the cold water inlet pipe Apply gentle pressure along the length of the insulation to ensure that it is fully seated around the pipe Also ensure t...

Страница 16: ...xcessive temperatures and pressures in the storage tank The T P valve is not intended for the constant relief of thermal expansion Aproperly sized thermal expansion tank must be installed on all close...

Страница 17: ...losing its individual manual Shuttoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 pound per square inch 3 5 kPa Connecting gas piping...

Страница 18: ...PVC parts should be assembled with ASTM D 2564 grade cement Assemble Vent Pipe Assemblies 1 2 and 3 See Figure 1 prior to cementing The preferred orientation of Vent Pipe Assembly 1 Condensate U Assem...

Страница 19: ...L Clearance above paved sidewalk or paved driveway located on public property 7 feet 2 13 m F Clearance to outside corner 2 feet 60 cm M Clearance under veranda porch deck or balcony 12 inches 30 cm G...

Страница 20: ...r signs of sagging or other stresses in joints as a result of misalignment of any components in system If any of these conditions are found they must be corrected in accordance with venting instructio...

Страница 21: ...tubing is still attached from the air pressure switch to the port on the blower housing Make sure the plastic tubing is not folded anywhere between the pressure switch and the blower housing 6 Make su...

Страница 22: ...ine This will allow the vent to easily slide through the opening The resulting gap will be covered up by the Vent Terminal cover plate Repeat this step on inside wall if necessary SEQUENCE OF INSTALLA...

Страница 23: ...ighest anticipated snow level install a snorkel as shown in bottom portion of Figure 20 NOTE With the installation of a snorkel it is necessary to use two 90 elbows that shall be considered along with...

Страница 24: ...cement not included with kit and glue the two inch PVC pipe coming from the blower into the VAA 3 Perform the same sequence on the PVC pipe coming from the exhaust side vent terminal side of the VAA 4...

Страница 25: ...and the vent pipe system Air leaks will allow flue gas by products to disseminate into the room creating an unsafe environment and could cause illness asphyxiation and or even death FIGURE 24 Typical...

Страница 26: ...above PRIMER It is recommended that Tetrahydrofuran THF be used to prepare the surfaces of pipe and fittings for solvent welding Do not use water rags gasoline or any other substitutes for cleaning PV...

Страница 27: ...make a second mark as the primer and cement will most likely destroy your first one Apply primer to the surface of the pipe and fitting socket with a natural bristle brush This process softens and pr...

Страница 28: ...28...

Страница 29: ...located in an area where the general public does not have access If a suitable area is not available a cover should be installed over the thermostat to prevent tampering Thewatertemperaturesettingwasf...

Страница 30: ...riod of time generally two weeks or more Hydrogen gas is extremely flammable and explosive To prevent the possibility of injury under these conditions we recommend the hot water faucet located farthes...

Страница 31: ...od which will slowly deplete due to electrolysis prolonging the life of the water heater by protecting the glass lined tank from corrosion Adverse water quality hotter water temperatures high hot wate...

Страница 32: ...essure Relief Valve must be installed in opening provided Can result in overheating and excessive tank pressure Can cause serious injury or death DRAINING AND FLUSHING It is recommended that the water...

Страница 33: ...ose connections or the relief valve DO NOT replace the water heater until a full inspection of all possible water sources is made and necessary corrective steps taken Leakage from other appliances wat...

Страница 34: ...heet 34 Wire Screen 3 35 Wire Screen 4 36 Wall Plate 4 37 Flexible Tubing REPAIR PARTS LIST Nowthatyouhavepurchasedthiswaterheater shouldaneedeverexistfor repairpartsorservice simplycontactthecompanyi...

Страница 35: ...3 Ensure maximum number of elbows or maximum equivalent feet of vent or intake air pipe has not been exceeded per the installation instructions in the manual that came with the water heater 4 Ensure...

Страница 36: ...alve s immersion probe is either open or shorted 1 Turn the power off for 10 20 seconds then on again to clear these error codes 2 Replace the gas control valve thermostat if the error code persists 1...

Страница 37: ...37 These guidelines should be utilized by a qualified service agent TROUBLESHOOTING GUIDELINES TROUBLESHOOTING GUIDELINES...

Страница 38: ...38 TROUBLESHOOTING GUIDELINES NOTES...

Страница 39: ...of it in a modified form or any attempt to repair tank leaks or parts will void this warranty servIce and laBor responsIBIlItY UNDER THIS LIMITED WARRANTY THE WARRANTOR WILL PROVIDE ONLY A REPLACEMEN...

Страница 40: ...40 Copyright 2010 A O Smith Corporation All rights reserved 500 Tennessee Waltz Parkway Ashland City TN 37015 Technical Support 800 527 1953 Parts 800 433 2545 Fax 800 644 9306 www hotwater com...

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