background image

 

CommerCial gas water heaters

instruction manual

PRINTED 0214 

327508-000

plaCe these instruCtions adjaCent to heater and notify owner to keep for future referenCe.

Thank you for buying this energy efficient water heater. 

We appreciate your confidence in our products.

models

BCl380t1996noX, BCl3100t1996noX

ultra low nox series 200

installation - operation - serViCe  

- maintenanCe - limited warranty

Complies with sCaQmd low nox rule 1146.2

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     and    service    must    be

performed   by   a    qualified    installer,

service agency or the gas supplier.


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.

www.americanwaterheater.com

American Water Heater

Johnson City, TN 37605

Summary of Contents for BCL3100T1996NOX

Page 1: ...ammable 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...

Page 2: ...tion 31 Start Up Conditions 31 Operational Conditions 31 Troubleshooting 32 Water Piping Diagrams 33 Notes 48 Limited Warranty 51 Table Of Contents Safe Installation Use and Service 3 APPROVALS 3 Gene...

Page 3: ...of California to cause cancer birth defects or other reproductive harm and requires businesses to warn of potential exposure to such substances Warning This product contains a chemical known to the St...

Page 4: ...ion Contact a qualified installer or service agency for installation and service Excessive gas pressure to gas valve can cause serious injury or death Do not use water heater with any gas other than t...

Page 5: ...ter system If hydrogen is present there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow There should be no smoking or open flame near the faucet at...

Page 6: ...his manual first and then the entire manual carefully If you don t follow the safety rules the water heater will not operate properly It could cause DEATH SERIOUS BODILY INJURY AND OR PROPERTY DAMAGE...

Page 7: ...pts burner gas flow should the water temperature reach 203 F 95 C In the event of high limit switch operation the water heater cannot be restarted unless the water temperature is reduced to approximat...

Page 8: ...nput Kbtuh Input Kw U S Gal Liters Eff U S Gallons hr and Liters hr at Temperature Rise Indicated F 36 40 50 54 60 70 72 80 90 100 108 110 120 126 130 140 C 20 22 28 30 33 39 40 44 50 56 60 61 67 70 7...

Page 9: ...gh a combustible wall or ceiling must be a continuous run no joints and retain 6 15 2 cm clearance unless an approved reducing thimble is used A service clearance of at least 24 61 cm should be mainta...

Page 10: ...labels from the manufacturer for placement on the blanket directly over the existing labels DO inspect the insulation blanket frequently to make certain it does not sag thereby obstructing combustion...

Page 11: ...d bearings and do not require further lubrication Some circulating pumps must be periodically oiled Refer to the pump manufacturer s instructions for lubrication requirements CIRCULATING PUMP WIRING D...

Page 12: ...tic pressure and with all gas burning equipment running at maximum rate dynamic pressure The gas supply pressure must be stable within 1 5 W C 0 37 kPa from static to dynamic pressure to provide good...

Page 13: ...ge 20 and Water Piping Diagrams on page 34 Temperature Pressure Relief Valve Explosion Hazard Temperature Pressure Relief Valve must comply with ANSI Z21 22 CSA 4 4 and ASME code Properly sized temper...

Page 14: ...not intended for the constant relief of thermal expansion A properly sized thermal expansion tank must be installed on all closed systems to control thermal expansion see Closed Water Systems and Ther...

Page 15: ...tand instruction manual For safe operation an adequate supply of fresh uncontaminated air for combustion and ventilation must be provided An insufficient supply of air can cause recirculation of combu...

Page 16: ...Figure 15 Alternatively a single permanent opening commencing within 12 inches 300 mm of the top of the enclosure shall be provided See Figure 14 The water heater shall have clearances of at least 1 i...

Page 17: ...aggregate input rating of all appliances installed in the enclosure Each opening shall not be less than 100 square inches 645 cm2 Outdoor Air Through Two Vertical Ducts The illustrations shown in thi...

Page 18: ...TA VENTING Model BCL380T1996NOX BCL3100T1996NOX Input 199 000 Btu hr Total Vent Height Feet Vent connector size 6 inches 6 8 10 15 20 30 50 100 Input Btu hr Rise Vent Connector Diameter Inches 199 000...

Page 19: ...installation of the water piping begins 1 Water Temperature Control and Mixing Valves on page 12 2 Dishwashing Machines on page 13 3 Temperature Pressure Relief Valve on page 13 4 Closed Systems and T...

Page 20: ...ing heat to this fitting Do not allow pipe dope to contact the plastic tube during installation Tube Inlet Installation Figure 19 TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES...

Page 21: ...24V 24V GND GND PV MV PV MV SPARK 4 2 BK BK R R R R LOWER PROBE UPPER PROBE THERMOSTAT BLOWER PRESSURE SWITCH 1a 1b 1 120 VAC HOT 120 VAC NUETRAL EARTH GROUND PILOT IGNITION MODULE GAS VALVE BLOWER F...

Page 22: ...attaching the gas line be sure that all gas pipe is clean on the inside To trap any dirt or foreign material in the gas supply line a sediment trap must be incorporated in the piping see Figure 21 Th...

Page 23: ...s away from faucets after extended periods of non use 1 Close the Main Gas Shutoff Valve see Figure 21 on page 23 2 Purge all air from the supply gas line up to the water heater s Main Gas Shutoff Val...

Page 24: ...supply gas regulator as necessary Adjust the supply gas regulator s per the regulator manufacturer s instructions to achieve the required static and dynamic supply gas pressure Multiple Water Heater I...

Page 25: ...turn off the 24vac power to the blower relay and the Ignition Control and the unit will be in standby mode until another call for heat is initiated by the thermostat See the flow chart on page 27 for...

Page 26: ...Blower off Blower Prover opens Ignition Control off Gas Valve closes Loss of flame signal YES YES NO NO Blower power relay is energized to start blower Igni onControlprovidespowertoSpark IgniterandPi...

Page 27: ...y thermal expansion in a closed system See Closed Water Systems and Thermal Expansion on page 13 The Temperature Pressure Relief Valve is not intended for the constant relief of thermal expansion Temp...

Page 28: ...thismanual 11 Turn on the electrical supply to place the water heater back in operation 12 Turn on the gas supply to the water heater at the Main Gas Shutoff Valve 13 Allow the water heater to complet...

Page 29: ...ut opening and scrape out any loose deposits of scale or sediment This is an economical way to avoid unnecessary usage of the deliming solution Repeat the opening and closing of the cold water inlet v...

Page 30: ...plying Teflon tape or paste to threads Tighten firmly by hand and use wrench or adjustable pliers to check for secure connection Do not over tighten to avoid damage to threads and fittings Prepare the...

Page 31: ...be restarted unless the water temperature is reduced to approximately 120 F 49 C The high limit reset button on the front of the thermostat then needs to be depressed See Figure 2 for the location of...

Page 32: ...blockage and or flue gas exhaust blockage Water temperature too hot Thermostat set too high Set thermostat to a lower setting Rumbling Sediment accumulation on bottom of tank Drain a quantity of water...

Page 33: ...should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 1 UNIT WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TE...

Page 34: ...ostat should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 1 UNIT WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP...

Page 35: ...and the storage tank s MULTI FLUE 1 UNIT WITH MIXING VALVE TWO TEMPERATURE LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BAL...

Page 36: ...mp between the water heater s and the storage tank s MULTI FLUE 2 UNITS LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VA...

Page 37: ...tat should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 2 UNITS WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TAN...

Page 38: ...tat should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 2 UNITS WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TAN...

Page 39: ...t should be set 5 degrees F higher than the Tank Temperature Control MULTI FLUE 2 UNITS WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TAN...

Page 40: ...EMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE WARNING THIS DRAWING SHOWS SU...

Page 41: ...VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE WARNING THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES C...

Page 42: ...LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE WARNING THIS DRAWING...

Page 43: ...an the Tank Temperature Control MULTI FLUE 3 UNITS WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT B...

Page 44: ...than the Tank Temperature Control MULTI FLUE 3 UNITS WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PO...

Page 45: ...RE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPERATURE GAGE WATER FLOW SWITCH CHECK VALVE WARNING THIS DRAWING SHOWS SUGGESTED...

Page 46: ...perature Control MULTI FLUE 4 UNITS WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE TEMPE...

Page 47: ...emperature Control MULTI FLUE 4 UNITS WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE CONTROL DRAIN FULL PORT BALL VALVE T...

Page 48: ...48 Notes...

Page 49: ...49 Notes...

Page 50: ...Notes 50...

Page 51: ...the heater is connected to unless an effective method of controlling thermal expansion is also installed at the heater s and operational at all times The relief valve installed on the heater is not a...

Page 52: ...P O Box 1597 Johnson City TN 37605 Phone 800 456 9805 Fax 800 999 5210 www americanwaterheater com Copyright 2014 American Water Heaters All rights reserved...

Reviews: