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P.O. Box 1597
Johnson City, TN 37605
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury or death.
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
•
Do not try to light any appliance.
•
Do not touch any electrical switch; do
not use any phone in your building.
•
Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
•
If you cannot reach your gas supplier,
call the fire department.
Installation
performed by a
service agency or the gas supplier.
Thank you for buying this energy efficient water heater.
We appreciate your confidence in our products.
place these instructions adjacent to heater and notify owner to keep for future reference.
PRINTED 0211
commercial gas water heaters
ASME CRN
Low Lead Content
and
service
must
qualified
installer,
models (a)Bcg3 85t500-8n &
be
instruction manual
(a)Bcg3 85t500-8p
series 120/121
installation - operation - serVice
- maintenance - limited warranty
Read and understand this instruction
manual and the safety messages
herein before installing, operating or
servicing this water heater.
Failure to follow these instructions and
safety messages could result in death
or serious injury.
This manual must remain with the
water heater.
318296-001
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Table of Contents
Related Manuals for American Water Heater A)BCG3 85T500-8N
Summary of Contents for American Water Heater A)BCG3 85T500-8N
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Page 1: Instruction Manual
instruction manual commercial gas water heaters models (a)Bcg3 85t500-8n & (a)Bcg3 85t500-8p series 120/121 installation - operation - serVice - maintenance - limited warranty P.O. Box 1597 Johnson City, TN 37605 ASME CRN Low Lead Content WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. -
Page 2: Table Of Contents
taBle of contents SAFe INSTALLATION, USe AND SerVICe........3 Outdoor Air Through Two Vertical Ducts ........17 APPrOVALS ..................3 Air From Other Indoor Spaces ............17 GeNerAL SAFeTy INFOrMATION ............ 4 Technical Data Venting ..............18 Precautions ..................5 WATer heATer INSTALLATION ............ -
Page 3: Safe Installation, Use And Service
safe installation, use and serVice The proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. -
Page 4: General Safety Information
general safety information Fire or Explosion Hazard Fire Hazard Do not store or use gasoline or other flammable vapors and For continued protection against liquids in the vicinity of this or any other appliance. risk of fire: Avoid all ignition sources if you smell gas. Do not install water heater on Do not expose water heater controls to excessive gas carpeted floor. -
Page 5: Precautions
general safety information Read and understand this instruction Explosion Hazard manual and the safety messages herein before installing, operating or servicing this water heater. Overheated water can cause water tank explosion. Failure to follow these instructions and safety messages could result in death Properly sized temperature and or serious injury. -
Page 6: Introduction
introduction Thank you for purchasing this water heater. Properly installed below) in the field involved. Installation skills such as plumbing, and maintained, it should give you years of trouble free service. air supply, venting, gas supply and electrical supply are required in addition to electrical testing skills when performing service. -
Page 7: Features And Components
features and components the eliminator (self-cleaning system) electronic ignition control These units include The eliminator (Self-Cleaning System) each heater is equipped with an ignition module. The solid state installed in the front water inlet, See Figure 1. The eliminator inlet ignition control (Figure 3), ignites the main burner by utilizing a tube can only be used in the front water inlet connection. -
Page 8: Installation Considerations
installation considerations rough in dimensions recoVery capacities gas and electrical characteristics front View Back View outlet inlet 1 1/2” npt 1 1/2” npt top View figure 5 taBle 1. rough-in-dimensions Connections Dimensions in Inches/cm Approx. Ship Weight Input Rate Approximate Inlet (NPT) Outlet (NPT) Model... -
Page 9: Locating The Water Heater
installation considerations locating the water heater IS NOT SUBJeCT TO PhySICAL DAMAGe By A MOVING VehICLe. CAUTION flammaBle items, PreSSUrIZeD CONTAINerS Or ANy OTher POTeNTIAL FIre hAZArDOUS ArTICLeS MUST Property Damage Hazard NeVer Be PLACeD ON Or ADJACeNT TO The heATer. OPeN CONTAINerS Or FLAMMABLe MATerIAL ShOULD NOT Be STOreD Or USeD IN The SAMe rOOM WITh The •... -
Page 10: Installation On Combustible Flooring
insulation Blanket Breathing Hazard - Carbon Monoxide Gas Do not obstruct water heater air intake with insulating blanket. Gas and carbon monoxide detectors are available. Install water heater in accordance with the instruction manual. Breathing carbon monoxide can cause brain damage or death. -
Page 11: High Altitude Installations
See the Circulation Pump Wiring Diagrams (Figure 8, Figure 9) in this manual for electrical hookup information. Install in accordance with the current edition of the National electrical Code, NFPA 70 or the Canadian electrical Code, CSA C22.1. Breathing Hazard - Carbon Monoxide Gas All-bronze circulators are recommended for used with commercial Under no circumstances should water heaters. -
Page 12: Installation Requirements
installation reQuirements gas pressure reQuirements water temperature control and mixing ValVes Water temperature over 125°F (52°C) Natural gas models require a minimum gas supply pressure of can cause severe burns instantly 4.5” W.C. Propane gas models require a minimum gas supply resulting in severe injury or death. -
Page 13: Dishwashing Machines
A properly sized thermal expansion tank must be installed on all closed systems to control the harmful effects of thermal HOT WATER expansion. Contact a local plumbing service agency to have a OUTLET thermal expansion tank installed. See Water Line Connections on page 19 and the Water Piping 12”... -
Page 14: Contaminated Air
No valve or other obstruction is to be placed between the If you do not understand these instructions or have any questions Temperature-Pressure relief Valve and the tank. Do not connect regarding the Temperature-Pressure relief Valve call the toll free discharge piping directly to the drain unless a 6”... -
Page 15: Unconfined Space
Never obstruct the flow of ventilation air. If you have any doubts through the water heater’s vent system causing poor combustion. or questions at all, call your gas supplier. Failure to provide the Sooting, serious damage to the water heater and the risk of fire proper amount of combustion air can result in a fire or explosion or explosion may result. -
Page 16: Multiple Heater Manifold
outdoor air through one opening vent with an oil burning furnace, the vent pipe should enter the smaller common vent or chimney at a point above the large vent pipe. multiple heater manifold Figure 13 and Table 7 should be used for horizontally manifolding two or more heaters. -
Page 17: Outdoor Air Through Two Vertical Ducts
outdoor air through two Vertical ducts When ducts are used, they shall be of the same cross sectional area as the free area of the openings to which they connect. The illustrations shown in this section of the manual are a The minimum dimension of rectangular air ducts shall be not less reference for the openings that provide fresh air into confined than 3 inches. -
Page 18: Technical Data Venting
taBle 7. technical data Venting type B gas Vent multiple gas fired tank-type heaters When venting multiple tank type heaters using Type B vent pipe, follow the installation diagram (figure 13) and tables below which give sizing and data based upon NFPA 54/ANSI Z223. -
Page 19: Water Heater Installation
water heater installation water line connections This water heater is provided with a properly rated/sized and certified combination temperature - pressure (T&P) relief valve This manual provides detailed installation diagrams (see pages by the manufacturer. See Temperature-Pressure relief Valve 34-48 of this manual) for typical methods of application for the on pages 13-14 for information on replacement and other water heater(s). -
Page 20: Installation Diagrams - Top Inlet/Outlet Usage
installation diagrams - top inlet/outlet usage code restrictions Use of the top inlet water connection requires installation of an Use of the top inlet water connection is not permitted on inlet dip tube (refer to figure 19). The tube is supplied in the installations in the state of North Carolina, due to the material heater. -
Page 21: Heater Wiring
heater wiring All electrical work must be installed in accordance with the latest version of the National electrical Code ANSI/NFPA No. 70 and must conform to all local code authority having jurisdiction. AN eLeCTrICAL GrOUND IS reQUIreD TO reDUCe rISk OF eLeCTrICAL ShOCk Or POSSIBLe eLeCTrOCUTION. -
Page 22: Gas Piping
gas piping DISCONNeCT The heATer AND ITS MANUAL GAS ShUTOFF VALVe FrOM The GAS SUPPLy PIPING SySTeM DUrING ANy Contact your local gas service company to ensure that adequate SUPPLy PreSSUre TeSTING eXCeeDING 1/2 PSIG. GAS gas service is available and to review applicable installation SUPPLy LINe MUST Be CAPPeD WheN DISCONNeCTeD codes for your area. -
Page 23: Operation
operation important The GAS VALVe MUST hAVe BeeN IN The OFF POSITION FOr AT LeAST 5 MINUTeS. This waiting period is an A qualified person must perform the initial firing of the heater. At important safety step. Its purpose is to permit gas that may this time the user should not hesitate to ask the individual any have accumulated in the combustion chamber to clear. -
Page 24: Lighting & Operation Label
lighting & operation laBel FOR YOUR SAFETY READ BEFORE OPERATING If you do not follow these instructions exactly, a fire or explosion WARNING may result causing property damage, personal injury, or loss of life. FLAMMABLE If you cannot reach your gas supplier, call the fire department. This appliance does not have a pilot. -
Page 25: Check Venting
check Venting The following steps shall be followed with each appliance connected to the venting system placed in operation, while any other appliances connected to the venting system are not in operation. 1. Seal any unused openings in the venting system. 2. -
Page 26: Checking The Input
checking the input (3600/7.56) X 1050 = 500,000 Btuh (Compare with the BCG385T500-8N model and rating.) For appliance installation locations with elevations above 2000 Should it be necessary to adjust the gas pressure to the burners feet, refer to hIGh ALTITUDe INSTALLATIONS section of this manual for input reduction procedure. -
Page 27: Hot Water Odor
draining and flushing expansion on page 13. The Temperature-Pressure relief Valve is not intended for the constant relief of thermal expansion. Temperature-Pressure relief Valve leakage due to pressure build up in a closed system that does not have a thermal expansion Burn harzard. -
Page 28: Recommended Procedure For Periodic Removal Of Lime Deposits From Tank Type Commercial Water Heaters
recommended procedure for periodic remoVal NOTe: Un•Lime is not available for use in Canada. of lime deposits from tank type commercial hydrochloric base acids are not recommended for use on glass water heaters lined tanks. Observe handling instructions on label of product being used. The amount of calcium carbonate (lime) released from water is in direct proportion to water temperature and usage, see chart. - Page 29 Prepare the Up-N-Down Transfer kit The next step is the preparation of the Up-N-Down Transfer kit, if you have not already done so: Chemical Hazard 1. With the 5 gallon Up-N-Down container in the vertical position, unscrew the plastic vent cap in the handle and pierce the •...
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Page 30: Ignition Module System
ignition module system system diagnostics your water heater is equipped with an ignition module that Before calling your service agent, the following checklist should incorporates a diagnostic system to assist in troubleshooting the be examined to eliminate obvious problems from those requiring appliance. -
Page 31: High Water Temperature Shut Off System
further information regarding anode replacement and this system are used (such as a dishwasher or washing machine). If chlorination treatment. hydrogen gas is present, there will probably be an unusual sound similar to air escaping through the pipe as the hot water faucet If the smelly water persists after the anode replacement and is opened. -
Page 32: Sequence Of Operation Flow Chart
seQuence of operation flow chart Description of this flow chart can be found in the “SeQUeNCe OF OPerATION” section found on page 23. figure 29... -
Page 33: Operational Checklist
operational checklist remedy complaint cause user serVice agent Set thermostat dial to a higher Thermostat set too low. temperature *Water not hot enough Check continuity and resistance (Ohms) Upper and/or lower temperature Call service agent of upper and lower temperature probes. probe out of calibration. -
Page 34: Water Piping Diagrams
water piping diagrams... - Page 44 STORAGE TANK...
- Page 47 STORAGE TANK...
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Page 49: Manifold Kits
MANIFOLD KITS manifold kits TWO UNIT MANIFOLD KIT (PART NO. 9003426205) MODEL DIMENSION "A" (A)BCG385T500-8N/ 81.5" (A)BCG385T500-8P THREE UNIT MANIFOLD KIT (PART NO. 9003427205) FOUR UNIT MANIFOLD KIT (PART NO. 9003428205) -
Page 50: Commercial Storage Tank Warranty
WhO IS COVereD AMerICAN WATer heATer COMPANy, (herein collectively referred to as “Manufacturer”) warrants only to the original purchaser (hereinafter “Owner”) of the storage tank for the period specified below. This warranty is not transferable. The warranty is restricted to the storage tank used in a commercial application in the United States of America. -
Page 51: Notes
notes... - Page 52 P.O. Box 1597, Johnson City, TN 37605 Phone: 800-456-9805 • Fax: 800-999-5210 www.americanwaterheater.com Copyright © 2010 American Water heater Company. All rights reserved.