John Wood JW375T75N-AV Instruction Manual Download Page 36

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599 Hill Street West

Fergus, ON Canada N1M 2X1

Should you have any questions please

Email us at [email protected] or

Visit our website: www.johnwoodwaterheaters.com or

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1-888-GSW-TECH (479-8324)

Summary of Contents for JW375T75N-AV

Page 1: ...ructions and safety messages could result in death or serious injury This manual must remain with the water heater 599 Hill Street West Fergus ON Canada N1M 2X1 Low Lead Content WARNING If the informa...

Page 2: ...Heater 12 Air Requirements 12 Unconfined Space 13 Confined Space 13 Fresh Air Openings for Confined Spaces 13 Outdoor Air Through Two Openings 13 Outdoor Air Through One Opening 13 Outdoor Air Throug...

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

Page 4: ...4 GENERAL SAFETY INFORMATION...

Page 5: ...nd 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 This manual contai...

Page 6: ...1 1 4 3 2 1 NPT 1 2 NPT 11 15 16 30 3 RECOVERY RATINGS Models Input Approx Gal Cap Approx Liter Cap Temp Rise C 17 22 28 33 39 44 50 56 61 67 72 78 Rating Btu Hr Rating kW F 30 40 50 60 70 80 90 100 1...

Page 7: ...cing and proper operation of the water heater Installation of water heater must be accomplished in such a manner that if the tank or any connections should leak flow will not cause damage to the struc...

Page 8: ...sult in improper and inefficient operation of the water heater producing carbon monoxide gas in excess of the safe limits This could result in serious injury or death Contact your local gas supplier f...

Page 9: ...ertain it does not sag thereby obstructing the combustion air flow HARD WATER Where hard water conditions exist water softening or the threshold type of water treatment is recommended This will protec...

Page 10: ...to manufacturer s specifications If a positive lock up regulator is required follow these instructions 1 Positive lock up gas pressure regulators must be rated at or above the input Btu hr rating of...

Page 11: ...y sized thermal expansion tank must be installed on all closed systems to control the harmful effects of thermal expansion Contact a local plumbing service technician to have a thermal expansion tank...

Page 12: ...ature Pressure Relief Valve discharge line and 2 the water manually discharged will not cause any bodily injury or property damage because the water may be extremely hot If after manually operating th...

Page 13: ...eater and the risk of fire or explosion may result It can also create a risk of asphyxiation LOUVERS AND GRILLES Thefreeareasofthefreshairopeningsintheinstructionsthatfollowdonot takeintoaccountthepre...

Page 14: ...e provided with two permanent vertical ducts one commencing within 12 inches 300 mm of the top and one commencing within 12 inches 300 mm of the bottom of the enclosure The vertical ducts shall commun...

Page 15: ...ter heater unless it is vented to the outdoors and has adequate air supply to avoid risks of improper operation explosion or asphyxiation For proper draft hood attachment the draft hood legs may be an...

Page 16: ...IN INCHES MAXIMUM CAPACITY OF PIPE IN CUBIC FEET PER HOUR LENGTH IN FEET NOMINAL IRON PIPE SIZES INCHES INPUT IN THOUSANDS BTU HR 1 2 3 4 1 1 1 4 1 1 2 2 2 1 2 3 4 10 175 360 680 1400 2100 3960 6300 1...

Page 17: ...allation shown in the Figures 15 and 16 Contaminants in the gas lines may cause improper operation of the gas control valve that may result in fire or explosion Before attaching the gas line be sure t...

Page 18: ...18...

Page 19: ...ian or gas supplier If the pilot will not stay lit after several tries turn the gas control knob to OFF Figure A and call your service technician or gas supplier 9 Replace inner and outer burner doors...

Page 20: ...g valves are available at plumbing supply or hardware stores see Figure 2 Follow manufacturer s instructions for installation of the valves Before changing the factory setting on the thermostat read t...

Page 21: ...s of combustion and water vapor SMOKE ODOR It is not uncommon to experience a small amount of smoke and odor during the initial start up This is due to burning off of oil from metal parts and will dis...

Page 22: ...f the flue and vent system may occur if air for combustion contains certain chemical vapors Spray can propellants cleaning solvents refrigerator and air conditioner refrigerants swimming pool chemical...

Page 23: ...sult in overheating and excessive tank pressure Can cause serious injury or death HOUSEKEEPING Fire and Explosion Hazard Do not obstruct combustion air openings at the bottom of the water heater Do no...

Page 24: ...RAGE TANK 1 Turn off the electrical supply to the water heater 2 Ensure the cold water inlet valve is open 3 Open a nearby hot water faucet and let the water run until the water is no longer hot Then...

Page 25: ...ch can condense on the cooler surfaces of the tank Droplets form and drip onto the burner or run on the floor This is common at the time of start up after installation and when incoming water is cold...

Page 26: ...mbly and or thermocouple Defective Gas Control Replace Gas Control PILOT OUTAGE Dirty pilot burner Clean pilot assembly Thermocouple malfunction Replace pilot assembly and or thermocouple Defective Ga...

Page 27: ...s and the storage tank s 5 The water heater s operating thermostat should be set 5 degrees F higher than the Tank Temperature Control SINGLE FLUE 1 UNIT LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSU...

Page 28: ...mostat should be set 5 degrees F higher than the Tank Temperature Control SINGLE FLUE 1 UNIT WITH VERTICAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP...

Page 29: ...ermostat should be set 5 degrees F higher than the Tank Temperature Control SINGLE FLUE 1 UNIT WITH HORIZONTAL STORAGE TANK LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING P...

Page 30: ...set 5 degrees F higher than the Tank Temperature Control SINGLE FLUE 1 UNIT WITH MIXING VALVE TWO TEMPERATURE LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPE...

Page 31: ...ating thermostat should be set 5 degrees F higher than the Tank Temperature Control SINGLE FLUE 2 UNITS LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERATURE...

Page 32: ...er than the Tank Temperature Control SINGLE FLUE 2 UNITS TWO TEMPERATURE ONE PRE HEATER ONE BOOSTER HEATER LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP TANK TEMPERAT...

Page 33: ...33 NOTES...

Page 34: ...34 NOTES...

Page 35: ...d by improper gas supply line sizing gas type venting connections combustion air voltage wiring or fusing Failure to follow applicable codes Failure to follow printed instructions Abuse misuse acciden...

Page 36: ...rights reserved 599 Hill Street West Fergus ON Canada N1M 2X1 Should you have any questions please Email us at techsupport gsw wh com or Visit our website www johnwoodwaterheaters com or Call our Tech...

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