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CommerCial gas water heaters
www.americanwaterheater.com
American Water Heater
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 0512
and
service
must
qualified
installer,
Complies with sCaQmd low nox rule 1146.2
be
instruction manual
BCl3 95t199 6noX
(a)BCl3 85t275 6noX
(a)BCl3 85t390 6noX
ultra low nox series 100
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.
models
323372-001
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Table of Contents
Related Manuals for American Water Heater BCL3 95T199 6NOX
Summary of Contents for American Water Heater BCL3 95T199 6NOX
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Page 1: Instruction Manual
BCl3 95t199 6noX (a)BCl3 85t275 6noX (a)BCl3 85t390 6noX ultra low nox series 100 www.americanwaterheater.com American Water Heater installation - operation - serViCe Johnson City, TN 37605 - maintenanCe - limited warranty Complies with sCaQmd low nox rule 1146.2 WARNING: If the information in these... -
Page 2: Table Of Contents
taBle of Contents SAFe InSTAllATIOn, USe AnD SerVICe......3 Outdoor Air Through One Opening ........16 APPrOVAlS ................3 Outdoor Air Through Two Horizontal Ducts ......16 GenerAl SAFeTY InFOrMATIOn ......... 4 Outdoor Air Through Two Vertical Ducts ......17 Precautions ................ -
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: Do not install water heater on Avoid all ignition sources if you smell gas. -
Page 5: Precautions
general safety information Read and understand this instruction Explosion Hazard manual and the safety messages herein before installing, operating or Overheated water can cause servicing this water heater. water tank explosion. Failure to follow these instructions and Properly sized temperature and safety messages could result in death pressure relief valve must be 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 Controls RESET BUTTON CONTROL BOX ON/OFF SWITCH VARIABLE FREQUENCY DRIVE FUSE DIGITAL LIGHTS THERMOSTAT digital thermostat I/O MODULE LOW SPEED figure 3. I/O MODULE eleCtroniC ignition Control HIGH SPEED BLOCKED INLET SWITCH each heater is equipped with an ignition control. The solid state BLOCKED ignition control (Figure 4), ignites the burner by utilizing a spark FLUE SWITCH... -
Page 8: Installation Considerations
installation Considerations rough in dimensions TOP OUTLET TOP INLET 1 1/2" NPT 1 1/2" NPT 1 1/2" TOP VIEW BACK VIEW FRONT VIEW figure 6. taBle 1. rough-in-dimensions BCl3 95t199 6noX (a)BCl3 85t275 6noX (a)BCl3 85t390 6noX model dim. inches inches inches 193.0... -
Page 9: Locating The Water Heater
loCating the water heater the water heater must be placed on a metal or wood panel extending beyond the full width and depth by at least 3 inches in any direction. If the heater is installed in a carpeted alcove, CAUTION the entire floor shall be covered by the panel. -
Page 10: Nsf Leg Kit
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
high altitude installations Some circulating pumps are manufactured with sealed bearings and do not require further lubrication. Some circulating pumps must be periodically oiled. refer to the pump manufacturer’s instructions for lubrication requirements. Fire and Explosion Hazard CIRCULATING PUMP WIRING DIAGRAM CIRCULATING PUMP WIRING DIAGRAM DISHWASHER LOOP WITH TOGGLE SWITCH STORAGE TANK OR BUILDING RECIRCULATION... -
Page 12: Installation Requirements
installation reQuirements When installing multiple water heaters in the same gas gas supply systems supply system it is recommended that individual positive low pressure building gas supply systems are defined as those lock-up gas pressure regulators be installed at each unit. systems that cannot under any circumstances exceed 14”... -
Page 13: Dishwashing Machines
expansion. Contact a local plumbing service agency to have a thermal expansion tank installed. HOT WATER See Water line Connections on page 20 and Water Piping OUTLET Diagrams on page 34. 12” TO 15” (30-38 cm) temperature-pressure relief ValVe TEMPERED WATER OUTLET CHECK COLD... -
Page 14: Combustible Material Storage
no valve or other obstruction is to be placed between the see Closed Water Systems and Thermal expansion on page 13. Temperature-Pressure relief Valve and the tank. Do not connect If you do not understand these instructions or have any questions discharge piping directly to the drain unless a 6”... -
Page 15: Air Requirements
air reQuirements provide combustion, ventilation and dilution air. unusually tight Construction In unconfined spaces in buildings, infiltration may be adequate to provide air for combustion, ventilation and dilution of flue Breathing Hazard - Carbon Monoxide Gas gases. However, in buildings of unusually tight construction (for example, weather stripping, heavily insulated, caulked, vapor Install water heater in accordance with barrier, etc.) additional air must be provided using the methods... -
Page 16: Multiple Heater Manifold
multiple heater manifold outdoor air through one opening Figure 13 and tables on pages 18 and 19 should be used for horizontally manifolding two or more heaters. figure 15. Alternatively a single permanent opening, commencing within 12 inches (300 mm) of the top of the enclosure, shall be provided. figure 13. -
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 taBle 6. 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 taBle 7. teChniCal data Venting (Continued) model (a)BCl3 85t275 6noX input: 275,000 Btu/hr total Vent height (feet) Vent Connector size: 6 inches input Btu/hr rise Vent Connector diameter (inches) 275,000 1 Ft. 275,000 2 Ft. 275,000 3 Ft. Combined input in number of 275 heaters manifold and Common Vent diameters (inches) thousands of Btu/hr...
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Page 20: Water Heater Installation
water heater installation water line ConneCtions t&p ValVe disCharge pipe The water piping installation must conform to these instructions and to all local code authority having jurisdiction. Good practice requires that all heavy piping be supported. read and observe all requirements in the following sections Explosion Hazard before installation of the water piping begins: Temperature-Pressure Relief Valve... -
Page 21: Installation Diagrams - Top Inlet/Outlet Usage
installation diagrams - top inlet/outlet usage temperature setting should eXCeed safe use temperature at fiXtures. see water Use of the top inlet water connection requires an inlet dip tube temperature Control and miXing ValVes on (refer to figure 19). The tube is supplied in the heater. Follow page 12. -
Page 22: 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 23: Gas Piping
gas piping supply gas regulator The minimum gas supply pressure must not be less than 3.5" w.c. Contact your local gas service company to ensure that adequate (0.87 kPa). gas service is available and to review applicable installation codes Do not subject the gas valve to inlet gas pressures of more than for your area. -
Page 24: Start Up
start up prior to start up initial start up Installation and start up of this water heater requires abilities required test equipment and skills equivalent to that of a licensed tradesman in the field U-tube manometer, pressure gauge, or digital manometer. involved, see qualifications on page 6. -
Page 25: Checking Venting
Supply gas pressure shall be measured while the water heater 7. If improper venting is observed during any of the above tests, is not firing (static pressure) and while the water heater is firing the venting system must be corrected. at full capacity (dynamic pressure). -
Page 26: Sequence Of Operation
seQuenCe of operation The following information will describe the Sequence of Operation 8. If the Flame Sensor does not detect a strong enough flame, the for this water heater. Ignition Control shuts off the Gas Valve and allows the blower to purge the unit for 30 seconds. -
Page 27: 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 26. Switch power on to unit Thermostat calls for heat VFD sends power to Blower Blower engages Prover Switch Blower runs at low speed After 30 seconds, Ignition Control provides power to... -
Page 28: Maintenance
maintenanCe Venting system expansion on page 13. The Temperature-Pressure relief Valve is not intended for the constant relief of thermal expansion. examine the venting system every six months for obstructions Temperature-Pressure relief Valve leakage due to pressure build and/or deterioration of the vent piping. Check all vent system up in a closed system that does not have a thermal expansion connections for leakage and repair or reseal as necessary. -
Page 29: Draining And Flushing
draining and flushing periodiC remoVal of lime deposits from tank type CommerCial water heaters The amount of calcium carbonate (lime) released from water is Burn harzard. in direct proportion to water temperature and usage, see chart. The higher the water temperature or water usage, the more lime deposits are dropped out of the water. -
Page 30: Tank Cleanout Procedure
nOTe: Un•lime is not available for use in Canada. Hydrochloric base acids are not recommended for use on glass lined tanks. Chemical Hazard Observe handling instructions on label of product being used. tank Cleanout proCedure • Product contains phosphoric acid. •... -
Page 31: Service
Install the long plastic male adapter insert fitting into the and pour the Un•lIMe into the heater. drain valve opening of heater after applying Teflon tape or lower container, you may have to place the container on paste to threads. Tighten firmly by hand and use wrench or its empty carton to prevent the Un•lIMe from flowing back adjustable pliers to check for secure connection. -
Page 32: For Your Information
for your information start up Conditions Contact the local water heater supplier or service agency for further information concerning an Anode replacement Kit and this chlorination treatment. smoke/odor It is not uncommon to experience a small amount of smoke and If hot water odor persists after anode replacement and chlorination odor during the initial start-up. -
Page 33: Troubleshooting
trouBleshooting remedy Complaint Cause user Qualified serViCe agenCy *Water not hot enough Thermostat set too low. Set thermostat dial to a higher temperature Upper and/or lower temperature Call qualified service agency Check continuity and resistance (Ohms) probe out of calibration. of upper and lower temperature probes. -
Page 34: Water Piping Diagrams
water piping diagrams... - Page 44 STORAGE TANK...
- Page 47 STORAGE TANK...
- Page 49 MODel DIMenSIOn "A" bCl3 95T199 6nOX (A)bCl3 85T275 6nOX (A)bCl3 85T390 6nOX...
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Page 50: Notes
notes... -
Page 51: Limited Warranty
If the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable wa- ter therein, during the first THree years after initial installation, the warrantor will supply a complete new American water heater of equivalent size and current model. - Page 52 P.O. box 1597, Johnson City, Tn 37605 American Water Heater Phone: 800-456-9805 • Fax: 800-999-5210 Johnson City, TN 37605 www.americanwaterheater.com Copyright © 2012 American Water Heater Company. All rights reserved.