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GSW JWF507 - page 1
WARNING: If the information in these instructions is not followed exactly , a fire or explosion may result causing property damage, per- sonal injury or death. WARNING: Improper inst allation, adjustment, alter- ation, service, or maintenance can cause injury or property damage. Refer to this manual. For assist ance or additional infor- mation, con ...
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GSW JWF507 - page 2
T ABLE OF CONTENTS I) Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Consumer Responsibilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II) Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Co ...
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GSW JWF507 - page 3
– 3 – Thank you for purchasing a John Wood Oil Fired W ater Heater . Properly installed and maintained, it will provide years of trouble free service. This Oil Fired W ater Heater has been developed to supply domestic hot water for normal residential demands. Any deviation from this application could affect your warranty . Consumer R esponsibil ...
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GSW JWF507 - page 4
– 4 – F or Installations in the United States: “St andard for the Installation of Oil-Burning Equipment (NFP A 31)” and “National Electrical Code (NFP A 70)” available from: American National S tandards Institute, 25 West 43rd S treet, New Y ork, NY 10036 Check your phone listings for the local authorities having jurisdiction over your ...
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GSW JWF507 - page 5
THESE CONDITIONS CAN RESUL T IN UNSEEN INTER- NAL DAMAGE and are not subject to warranty coverage. This product contains fiberglass wool and ceramic fiber materials. Airborne fibers from these materials have been listed by the S tate of California as a possible cause of can- cer through inhalation. Use special care when handling ceramic fiber (cham ...
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GSW JWF507 - page 6
– 6 – In Earthquake Zones Note: The water heater must be braced, anchored, or strapped to avoid moving during an earthquake. Contact local utilities for code requirements in your area. Clearances and Accessibility The minimum clearances between the heater and com- bustible materials are listed in Figure 1. Note: These requirements are also list ...
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GSW JWF507 - page 7
– 7 – 600mm (24 in.) MIN. FOR SERVICING 457mm (18 in.) MIN. FLUE SEE T ABLE TOP SEE T ABLE FLUE SIZES SEE T ABLE NON-COMBUSTIBLE FLOOR COMBUSTIBLE CEILING DRAFT REGULA TOR FLUE SEE T ABLE Figure 1 Rough-In Dimensions NOTE: JWF307V requires additional “Through-the-wall V ent Kit” available in 3 lengths: 5’ (63320), 10’ (63321) or 20’ ( ...
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GSW JWF507 - page 8
– 8 – Figure 2 Installation Dimensions (Center Flue Models) A D C B E F G H Figure 3 Installation Dimensions (Center/Rear Flue Models) JW 317/ J W 327 J W 517/ JW 527 J W 717/ J W 727 m m 610 711 813 i n . 2 42 83 2 m m 229 222 229 i n. 9 8 3/ 4 9 m m 508 508 495 i n. 20 20 19 1/ 2 m m 1264 1299 1359 i n. 49 3/ 4 51 1/ 8 53 1/ 2 m m 1492 1499 1 ...
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GSW JWF507 - page 9
– 9 – Air R equirements An adequate supply of combustion and ventilation air is required to: • Ensure proper combustion. • Reduce risk of property damage, severe bodily injury or death from possible flue gas leakage and carbon monox- ide emissions. Do not install an exhaust fan in the same room as the water heater . Satisfactory combustion ...
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GSW JWF507 - page 10
– 10 – appliances in the enclosure, freely communicating with inte- rior areas that have in turn adequate infiltration from the out- side. It shall also have a combustion air supply opening so that the total air received through the opening will be at least as much as would be admitted by openings having a total free area of 4.5 cm 2 /kWh (1 in ...
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GSW JWF507 - page 11
– 11 – Chimney Be sure that the chimney is sufficiently high and large enough to meet the specifications of the burner unit installed. Check that there is suf ficient draft for the proper burning of oil. At least -0.015 in. w .c. (-0.004kPa) of over-fire draft is recommended. Block ed V ent Safety Switc h Oil-fired water heaters must be fitted ...
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GSW JWF507 - page 12
– 12 – • Always use a proper grade of joint compound and be cer- tain that all fittings are drawn up tight. 1. Install the water piping and fittings as shown in Figures 7 or 8. Connect the cold water supply to the fitting (3/4” NPT) marked “COLD” (or “C”). Connect the hot water supply to the fitting (3/4” NPT) marked “HOT” (or ...
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GSW JWF507 - page 13
– 13 – DO NOT use any pumps, valves, or fittings that are not com- patible with pot able water . DO NOT use valves that may cause excessive restriction to water flow . Use full flow ball or gate valves only . DO NOT use any lead based solder in potable water lines. Use appropriate tin-antimony or other equivalent material. DO NOT tamper with th ...
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GSW JWF507 - page 14
– 14 – Installation Of T he Aquastat (T emper ature Control) This heater operates automatically under the control of the aquastat, which responds to the demand of hot water . Depending on the model, the aquastat well and wiring is either installed on the heater , or included in the carton con- taining the burner . If the installation of the aqu ...
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GSW JWF507 - page 15
– 15 – O I L VA LV E BURNER MOTOR IGNITOR LIMIT JUMPER CAD CELL T T F F WHITE BLACK 48245 BURNER JUNCTION BOX L2 NEUTRAL Figure 1 1 T ypical Primary Control Wiring (48245). BLOCKED VENT SAFETY SWITCH L1 HOT ORANGE GROUND JUNCTION BOX ...
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GSW JWF507 - page 16
– 16 – Installation Chec klist Star tup DO NOT A TTEMPT TO ST ART BURNER IF ANY OF THE FOLLOWING CONDITIONS EXIST : 1. Excess oil has accumulated. 2. The unit is full of vapours. NOTE: Refer to the instruction manual supplied with the burner for installation, st art up and adjustment. After the inst allation is finished and the installation che ...
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GSW JWF507 - page 17
– 17 – Wa ter Heater Operation Stacking S tacking occurs when a series of short draws of hot water (1 1 litres (3 US gallons) or less) are taken from the water heater tank. This causes increased cycling of the burner and can result in increased water temperatures at the hot water outlet. A tempering device is recommended in the hot water supply ...
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GSW JWF507 - page 18
Do not attempt to repair your water heater . Call a qualified Oil-Burner T echnician for service. T urn “OFF” the electric power whenever the water supply is shut off. Before calling for service, check that: 1. The heater is properly filled. 2. The electrical supply has not been interrupted. Professional Maintenance Except for external appearan ...
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GSW JWF507 - page 19
– 19 – Cleaning Instr uctions, Flue Passages Of T he JWF657 Heater Refer to Figure 13 for components of the heater . 1. Remove the casing top and lift the insulation of f com- pletely . It is necessary to disconnect the hot and cold water lines and move them out of the way . Do not remove the nipples from the t ank. 2. Lift of f the flue collec ...
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GSW JWF507 - page 20
– 20 – 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 respo ...
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GSW JWF507 - page 21
– 21 – Installation The heating mode may be one of the following options: 1. A fan coil/air handler (Figure 14). 2. A hydronic baseboard (finned tube) loop (Figure 15). 3. A hydronic in-floor heating loop (Figure 16). The following is a list of requirements for the inst allation of the heating loop to the water heater . 1. Install shut-of f val ...
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GSW JWF507 - page 22
– 22 – T able 1 Listing Of Oil Burners. M odel M F GR B urner N oz z le & P ump P res s . B l as t t ube Not es B E CK E T T A FG GS W -J3037 0. 75 GP H U. S . O NLY B E CK E T T A FG GS W -J3036 0. 75 GP H M ASS. O N L Y CA RLI N E Z 197297A J W 317 0. 75 GP H CA RLI N 97297A JW 317 0.75 x 60A DE L 85472, 100 ps i 9" B E CK E T T A FG ...
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GSW JWF507 - page 23
– 23 – M odel M F GR B urner N oz z le & P ump P res s . B l as t t ube Not es A E RO FA FC-2X 0. 75 GP H A E RO S V -2X 0. 75 GP H A E RO F A F C-2X 0. 75 x 80A 5 15/ 16" A E RO S V -2X 0. 75 x 80A 5 15/ 16" B E CK E T T A FG GS W -J5006 0. 75 GP H CA NA DA B E CK E T T A FG GS W -J5032 0. 75 GP H U. S . B E CK E T T A FG GS W -J ...
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GSW JWF507 - page 24
See Rating Label Serial Number prefix for W arranty Code. Reduced warranty period applies to Newfoundland. W arranty Code: P R S T U V W Y S tandard W arranty Y ears: 3 5 6 7 8 9 10 12 Reduced W arranty Y ears: 2 3 3 555 5 7 ~ Certificate of W arranty ~ For its GSW and John W ood water heaters and storage boosters ("Unit"), GSW W ater Hea ...
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