John Wood 6-120 Instruction Manual
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John Wood 6-120 Instruction Manual

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Canadian Instruction Manual
RESIDENTIAL ELECTRIC

WATER HEATERS

MODELS 6-120
FOR POTABLE WATER
HEATING ONLY
NOT SUITABLE FOR

SPACE HEATING

LISTED
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL 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.
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHEN EVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
PRINTED 02/13
325692-000
1

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  • Page 1: Water Heaters

    Canadian Instruction Manual RESIDENTIAL ELECTRIC WATER HEATERS MODELS 6-120 FOR POTABLE WATER HEATING ONLY NOT SUITABLE FOR SPACE HEATING LISTED ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL 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.

  • Page 2: Safe Installation, Use And Service

    SAFE INSTALLATION, USE AND SERVICE Your safety and the safety of others is extremely important in the installation, use, and servicing of this water heater. 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 3: General Safety

    GENERAL SAFETY...

  • Page 4: Table Of Contents

    INTRODUCTION Thank You for purchasing this water heater. Properly installed and READ THE ENTIRE MANUAL BEFORE ATTEMPTING TO maintained, it should give you years of trouble free service. INSTALL OR OPERATE THE WATER HEATER. Abbreviations Found In This Instruction Manual: 2.

  • Page 5: Typical Installation

    TYPICAL INSTALLATION UPRIGHTS / LOWBOYS COMPACTS INSTALL THERMAL EXPANSION TANK OR DEVICE IF WATER HEATER IS INSTALLED IN A CLOSED WATER SYSTEM 12” (300 mm) MAXIMUM AIR GAP INSTALL WITH SUITABLE METAL DRAIN PAN THAT IS PIPED TO AN ADEQUATE DRAIN. †...

  • Page 6: Mixing Valve Usage

    MIXING VALVE USAGE DISCHARGE PIPE (DO NOT CAP OR PLUG) 12” (300 mm) MAXIMUM AIR INSTALL WITH SUITABLE METAL DRAIN PAN THAT IS PIPED TO AN ADEQUATE DRAIN. SUITABLE METAL DRAIN PAN FIGURE 2. Water (Potable) Heating: All models are considered suitable for HOTTER WATER CAN SCALD: water (potable) heating only.

  • Page 7: Insulation Blankets

    3. The water heater should be located so it is not subject to physical • Water supply shut-off devices that activate based on the damage by moving vehicles or area fl ooding. water pressure differential between the cold water and hot water pipes connected to the water heater.

  • Page 8: Water Piping Pressure Test

    WATER PIPING PRESSURE TEST NOTE: To protect against untimely corrosion of hot and cold water fi ttings, it is strongly recommended that di-electric unions or couplings be installed on this water heater when connected to copper pipe. Figure 3A shows the typical attachment of the water piping to the water heater.

  • Page 9: Temperature-Pressure Relief Valve

    TEMPERATURE- PRESSURE RELIEF VALVE The Discharge Pipe: • Shall not be smaller in size than the outlet pipe size of the valve, or have any reducing couplings or other restrictions. • Shall not be plugged or blocked. • Shall be of material listed for hot water distribution. •...

  • Page 10: Filling The Water Heater

    T&P VALVE and PIPE INSULATION If, after manually operating the valve, it fails to completely reset and (On Selected Models) continues to release water, immediately close the cold water inlet to the water heater, follow the draining instructions, and replace the temperature-pressure relief valve with a new one.

  • Page 11: Wiring Diagrams

    WIRING DIAGRAMS FOR ACTUAL WIRING CIRCUIT OF UNIT - REFERENCE CIRCUIT TYPE LISTED ON RATING PLATE. FIGURE 6.

  • Page 12: Wiring

    WIRING 1. Provide a way to easily shut off the electric power when working on the water heater. This could be with a circuit breaker or fuse block in the entrance box or a separate disconnect switch. 2. Install and connect a circuit directly from the main fuse or circuit breaker box.

  • Page 13: Temperature Regulation

    TEMPERATURE REGULATION WATER TEMPERATURE OVER 125°F (52°C) CAN CAUSE SEVERE BURNS INSTANTLY OR DEATH FROM SCALDS. Figure 8 shows the approximate time-to-burn relationship for normal adult skin. TEMPERATURE ADJUSTMENT HOTTER WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to a temperature which will satisfy space heating, clothes washing, dish washing, and other sanitizing needs can scald and permanently injure you To change the temperature setting:...

  • Page 14: For Your Information

    FOR YOUR INFORMATION THERMAL EXPANSION “AIR” IN HOT WATER FAUCETS As water is heated, it expands (thermal expansion). In a closed system, the volume of water will grow. As the volume of water HYDROGEN GAS: Hydrogen gas can be produced in a hot water grows, there will be a corresponding increase in water pressure due system that has not been used for a long period of time (generally two weeks or more).

  • Page 15: Periodic Maintenance

    PERIODIC MAINTENANCE TEMPERATURE-PRESSURE RELIEF VALVE OPERATION ANODE ROD INSPECTION AND REPLACEMENT Each water heater contains at least one anode rod, 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 water usage, and water The temperature-pressure relief valve must be manually operated softening methods can increase the rate of anode rod depletion.

  • Page 16: Thermostat Removal/Replacement

    5. Open the water heater drain valve and allow all of the water to drain from the tank. Flush the tank with water as needed to remove sediment. 6. Close the drain valve, refi ll the tank, and restart the heater as directed in this manual.
  • Page 17 valve and allow the water heater to drain. Also, open a nearby hot water faucet to relieve the pressure in the water heater and to speed draining. FIGURE 13. FIGURE 16B. The water passing out of the drain valve may be extremely hot. To avoid being scalded, make sure all connections are tight and that B.

  • Page 18: Drain Valve Washer Replacement

    11. A new gasket should be used in all cases to prevent a possible water leak. Place the new element gasket on the threaded side of the cleaned or new element and screw into tank, securing tightly using an element wrench. FIGURE 19.

  • Page 19: Leakage Checkpoints

    LEAKAGE CHECKPOINTS Use this guide to check a “Leaking” water heater. Many suspected “Leakers” are not leaking tanks. Often the source of the water can be found and corrected. If you are not thoroughly familiar with your water heater and safety practices, contact a qualifi...

  • Page 20: Troubleshooting Guidelines

    TROUBLESHOOTING GUIDELINES These guidelines should be utilized by a qualifi ed service agent. Problem Possible Cause(s) Corrective Action WATER LEAKS Improperly sealed, hot or cold supply connection, Seal and tighten threaded connections. (See Leakage Checkpoints on page 19) relief valve or drain valve. Leakage from other appliances or water lines.

  • Page 21: Repair Parts List

    REPAIR PARTS LIST LOWBOY AND UPRIGHT ELECTRIC MODELS Now that you have purchased this water heater, should a need ever exist for repair parts or service, simply contact the company (Single and Dual Element) it was purchased from or the manufacturer listed on the rating plate on the water heater.
  • Page 22 REPAIR PARTS LIST COMPACT OR MANUFACTURED (MOBILE) HOME ELECTRIC MODELS Key No. Part Description Temperature-Pressure Relief Valve Upper Outer Door Outlet Nipple Assembly Upper Thermostat w/Hi/Limit Inlet Nipple Anode Rod Junction Box Cover Drain Valve Upper and Lower Element Metal Drain Pan w/Side Drain Element Gasket Conduit Bracket Thermostat Bracket (ea.)
  • Page 23 REPAIR PARTS LIST TABLE TOP ELECTRIC MODELS Key No. Part Description Porcelain Top Temperature and Pressure Relief Valve Primary Anode Rod Upper Thermostat w/Hi Limit Dip Tube Element w/Gasket Element Gasket Thermostat Bracket (ea.) Terminal Cover Outer Door (ea.) Lower Thermostat w/Hi Limit Terminal Cover Lower Thermostat Drain Access Door...

  • Page 24: Warranty

    LIMITED WARRANTY When referencing the water heater for service or warranty, please refer to the rating plate af xed to the unit. The Model Number contains the warranty period. Example: JW850SDEB Inner Tank Warranty Years Component Part Warranty Years The Serial Number contains the manufacture date information for the unit as follows: Manufactured in week 5 Manufactured in 2010 RESIDENTIAL STORAGE TANK TYPE WATER HEATER FOR INSTALLATION IN A SINGLE FAMILY DWELLING...

  • Page 25: Warranty

    The unenforceability of any provision, in whole or in part, of this Certifi cate shall not affect the remaining provi- sions. Any and all repair and/or replacement of part(s) or Unit are the sole and exclusive remedy available against the Manufac- turer. John Wood Water Heaters 599 Hill Street West Fergus, ON Canada N1M 2X1 Should you have any questions, please Visit us online at www.johnwoodwaterheaters.com, or...
  • Page 26 NOTES NOTES: ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________...
  • Page 27 NOTES NOTES: ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________...
  • Page 28 John Wood Water Heaters 599 Hill Street West Fergus, ON Canada N1M 2X1 Should you have any questions, please Visit us online at www.johnwoodwaterheaters.com, or E-mail us at techsupport@gsw-wh.com, or Call our Technical Support line at 1 888 GSW TECH (479 8324)

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