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OIL FIRED WATER HEATER
INSTALLATION AND OPERATING INSTRUCTIONS
Read and understand these instructions thoroughly before attempting
any installation or service.
WARNING:
Improper installation, adjustment, alter-
ation, service, or maintenance can cause
injury or property damage. Refer to this
manual. For assistance or additional infor-
mation, consult a qualified Oil-Burner
Technician or your oil supplier.
FOR YOUR SAFETY
• Do not store or use gasoline or other
flammable vapours and liquids in th
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TABLE OF CONTENTS I) Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Consumer Responsibilities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II) Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Code Requirements For Installations In Canada . . . . . . . . . . . . . . . . . . . . Code Requirements For Installations In The United States . . . . .
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Your safety and the safety of others is very important. We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages. This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others. All safety messages will follow the safety alert symbol and either the word “DANGER” or “WARNING”. You can be killed or seriously injured if you don’t immediately follow DANGER instructions. WARNING Yo
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For Installations in the United States: Safety Warning (Scalding) “Standard for the Installation of Oil-Burning Equipment DANGER (NFPA 31)” and “National Electrical Code (NFPA 70)” available from: American National Standards Institute, 25 West 43rd Street, New York, NY 10036 Check your phone listings for the local authorities having jurisdiction over your installation. Important: Installation and service of an oil fired water heater and burner must be performed by a qualified Oil- Burner Technic
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THESE CONDITIONS CAN RESULT IN UNSEEN INTER- Fuel Specifications NAL DAMAGE and are not subject to warranty coverage. All JOHN WOOD brand water heaters are designed to burn only fuels not heavier than No.2 (furnace) oil. CAUTION Hydrogen gas can be produced in a hot water system III) INSTALLATION served by this heater that has not been used for a long Unpacking the Water Heater period of time (generally two (2) weeks or more). Hydrogen gas is extremely flammable and can ignite when exposed to a
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able codes. Make tank connections with swing joints or cop- IMPORTANT: per tubing to prevent breaking in case the tank settles. Make This water heater must be installed strictly in accordance the swing joints so they will tighten as the tank settles. Non- with the instructions enclosed, and local electrical, fuel hardening pipe joint compounds should be used on all and building codes. It is possible that connections to the threads. Do not use Teflon® tape as an oil pipe sealant as it water heate
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COMBUSTIBLE CEILING FLUE FLUE SEE TABLE SEE TABLE FLUE SIZES SEE TABLE TOP SEE TABLE 457mm (18 in.) MIN. NOTE: JWF307V requires additional “Through-the-wall Vent Kit” available in 3 lengths: 5’ (63320), 10’ (63321) or 20’ (63322). Refer to additional “Installation Instructions for Through- the-wall Venting Components" that is supplied with the JWF307V. DRAFT REGULATOR 600mm (24 in.) MIN. FOR SERVICING NON-COMBUSTIBLE FLOOR Flue location Clearance Model Diam. Flue size Front Center Rear Rear
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H H G E E D D F C C B G B A F A Model JWF307 JWF507 JWF657 JWF307V Model JW317/JW327 JW517/JW527 JW717/JW727 mm 508 559 660 508 mm 610 711 813 Diam. Diam. in. 20222620 in. 242832 mm 229 229 254 229 mm 229 222 229 A A in. 9 9 10 9 in. 9 8 3/4 9 mm 457 457 524 457 mm 508 508 495 B B in. 18 18 20 5/8 18 in. 20 20 19 1/2 mm 699 660 775 699 mm 1264 1299 1359 C C in. 27 1/2 26 30 1/2 27 1/2 in. 49 3/4 51 1/8 53 1/2 mm 1286 1486 1661 1286 mm 1492 1499 1565 D D in. 50 5/8 58 1/2 65 3/8 50 5/8 in. 58 3/4
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VENT DRAFT RISE 20mm/m REGULATOR (1/4 in./ft.) FILL CAP BLOCKED VENT SERVICE SAFETY SWITCH SWITCH LEVEL GAUGE T&P VALVE AQUASTAT OIL OPERATING STORAGE INSTRUCTIONS TANK CUT OFF VALVE OIL FILTER OIL BURNER Figure 4 Installation Diagram Houses built in accordance with the “National Building Air Requirements Code of Canada, 1985” (or subsequent edition), with An adequate supply of combustion and ventilation air is extensive exterior stucco coating, or with a sealed vapour required to: barrier or ot
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appliances in the enclosure, freely communicating with inte- ing the oil-fired water heater. Inspect existing chimney rior areas that have in turn adequate infiltration from the out- before installing the water heater. Failure to do any of the side. It shall also have a combustion air supply opening so following can result in serious property damage, severe that the total air received through the opening will be at least bodily injury or death: as much as would be admitted by openings having a t
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BEND DOWN Chimney Installation of Power Venter Be sure that the chimney is sufficiently high and large The “Installation Code for Oil-Burning Equipment (CSA enough to meet the specifications of the burner unit B139-04)” or “Standard for the Installation of Oil- installed. Check that there is sufficient draft for the proper Burning Equipment (NFPA 31)”, local codes and the man- burning of oil. At least -0.015 in. w.c. (-0.004kPa) of over-fire ufactures instructions should be adhered to in all ins
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Filling the Water Heater • Always use a proper grade of joint compound and be cer- Do not insert the power cord into the electrical receptacle tain that all fittings are drawn up tight. until all the following steps have been completed. 1. Install the water piping and fittings as shown in Figures 1. Make sure the drain valve is closed. 7 or 8. Connect the cold water supply to the fitting (3/4” 2. Open all hot water faucets served by the system to allow NPT) marked “COLD” (or “C”). Connect the ho
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DO NOT use any pumps, valves, or fittings that are not com- Water Supply Systems”, ANSI Z21.22/CSA 4.4”. The patible with potable water. function of the temperature and pressure relief valve is to DO NOT use valves that may cause excessive restriction to discharge water in large quantities in the event of excessive water flow. Use full flow ball or gate valves only. temperature or pressure developing in the water heater. The DO NOT use any lead based solder in potable water lines. valve’s relief
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Installation Of The Aquastat Electrical Supply General wiring requirements: (Temperature Control) Electric shock hazard. Can cause severe personal injury or This heater operates automatically under the control of the death if power source, including service switch on heater, is aquastat, which responds to the demand of hot water. not disconnected before installing or servicing. Installations Depending on the model, the aquastat well and wiring is must comply with the latest editions of these cod
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48245 BLACK L1 HOT LIMIT T BLOCKED WHITE L2 NEUTRAL JUMPER VENT T SAFETY SWITCH GROUND F JUNCTION BOX F CAD CELL OIL VALVE ORANGE BURNER MOTOR IGNITOR Figure 11 Typical Primary Control Wiring BURNER JUNCTION BOX (48245). – 15 –
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Check Here Installation Checklist IV) OPERATION 1. Have the safety precautions described in the Startup manual been implemented? CAUTION: 2. Does the oil piping conform to the recommen- Read before proceeding. If you do not follow dations of your Oil Supply Company? these instructions exactly, a fire or explosion 3. Has the oil piping been tested for leaks? may result, causing property damage, per- sonal injury or loss of life. 4. Is the clearance between the water heater and combustible constru
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3. Drain approximately 20 litres (5 US gallons) of water Water Heater Operation from tank (Refer to “Draining and Flushing” for proper WARNING: procedures.) Close drain valve. Keep the area around the heater clear and 4. Remove old anode rod. 5. Use Teflon® tape or approved pipe sealant on threads unobstructed. and install new anode rod. 6. Turn on water supply and open nearby hot water faucet Stacking to purge air from water system. Stacking occurs when a series of short draws of hot water 7. R
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• Keep the air ventilation openings unobstructed. If dust V) MAINTENANCE and lint is seen accumulating around the openings, Do not attempt to repair your water heater. Call a qualified remove it. Oil-Burner Technician for service. Turn “OFF” the electric • Do not pile cartons, papers, or combustible materials on power whenever the water supply is shut off. Before calling top, or near the heater (see Figure 1). for service, check that: 1. The heater is properly filled. Draining and Flushing 2. Th
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5. Reassemble in reverse order. It may be necessary to WARNING replace the gaskets around the nipples to seal them at the flue collector. Replace the insulation and the casing top. 6. Reconnect the plumbing lines. Explosion Hazard Shut Down For Extended Periods • If the temperature and pressure relief When away for extended periods of time such as vacation, and no freezing temperatures are expected: valve is dripping or leaking, have a 1. Shut off the oil supply at the tank. licensed plumber rep
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VI) COMBO HEATING WARNING: Keep the area around the heater clear and unobstructed. This section serves as a guide for the installation and use of “Combo” heating systems utilizing a domestic water heater that has been specifically approved for such use. It is writ- ten for those knowledgeable in the required trades and pro- fessionals involved in the design and installation of Combo Heating Systems. It is the responsibility of the installer/designer to follow all applicable codes to ensure the e
