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GSW JWF307 - page 1
T ABLE OF CONTENTS I) Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 II) Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 III) Inst allation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Air Requirements . . . ...
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GSW JWF307 - page 2
– 2 – Thank you for purchasing this water heater . Properly inst alled and maint ained, it will provide years of trouble free service. This manual gives instructions for the proper inst al- lation, safe operation and maintenance of this water heater . It is your responsibility to ensure that your water heater is properly inst alled and cared fo ...
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GSW JWF307 - page 3
– 3 – R elief V alv e R equir ements For protection against excessive pressure and/or tempera- tures, an ASME approved T emperature and Pressure (T&P) Relief V alve must be inst alled in the opening provided and labeled near the hot water outlet. Pressure rating of the valve must not exceed the working pressure shown on the rating plate of ...
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GSW JWF307 - page 4
– 4 – 610mm (24 in.) MIN. FOR SER VICING 457mm (18 in.) MIN. FLUE SEE T ABLE T OP SEE T ABLE FLUE SIZES SEE T ABLE NON-COMBUSTIBLE FLOOR COMBUSTIBLE CEILING DRAFT REGULA T OR 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 JWF307 - page 5
– 5 – Figure 2 INST ALLA TION DIMENSIONS (CENTER FLUE MODELS) J W F3 07 J W F5 07 J W F6 57 J W F307 V mm 50 8 559 6 60 50 8 in. 20 2 2 26 20 mm 22 9 229 2 54 22 9 in. 9 9 10 9 mm 45 7 457 5 24 45 7 in. 18 18 20 5/8 18 mm 69 9 660 7 75 69 9 in. 27 1/2 26 30 1/2 27 1/2 mm 128 6 14 86 16 61 12 86 in. 50 5/8 58 1/2 65 3/8 50 5/8 mm 132 6 15 34 16 ...
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GSW JWF307 - page 6
– 6 – Air R equir ements 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 monoxide emissions. Do not inst all an exhaust fan in the same room as the water heater . Satisfactory combustion ...
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GSW JWF307 - page 7
– 7 – 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 tot al air received through the opening will be at least as much as would be admitted by openings having a tot al free area of 4.5 cm 2 /kWh (1 i ...
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GSW JWF307 - page 8
– 8 – Chimney Be sure that the chimney is suf ficiently high and large enough to meet the specifications of the burner unit inst alled. Check that there is suf ficient draf t for the proper burning of oil. At least -0.015 in. (-0.381mm) water column of over-fire draf t is recommended. Block ed V ent Saf ety Switc h Oil-fired water heaters inst ...
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GSW JWF307 - page 9
– 9 – Burning Equipment (NFP A 31)” (as applicable), local codes and the manufacturer ’ s instructions. The burner should be inst alled only by a qualified Oil-Burner T echnician. Oil Suppl y Connections All aspect s of oil t ank location and inst allation, t ank size, oil piping supply and burners, including any fittings, valves, fil- ters ...
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GSW JWF307 - page 10
– 10 – up of lime in the T&P valve, there are two recommendations: 1. Inst all a pressure relief (only) valve in the cold water supply line. Make sure that the discharge of this valve is directed to a drain and it is protected from freezing. or: 2. Inst all an exp ansion t ank on the cold water supply line. For every 50 gallons of stored wa ...
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GSW JWF307 - page 11
– 11 – LINE VOL T AGE THERMOST A T OR AQUAST A T® CONTROL OIL V AL VE BURNER MOT OR IGNIT OR CAD CELL LIMIT TO REMOTE ALARM CIRCUIT JUMPER ENVIRACOM™ TERMINAL L1 LIMIT L2 V AL VE CAD CELL ALARM T T3 2 1 VIOLET WHITE BLUE ORANGE RED BLACK YELLOW YELLOW BURNER MOT OR IGNIT OR R7184 BURNER JUNCTION BOX Figure 9 TYPICAL PRIMAR Y CONTROL WIRING ( ...
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GSW JWF307 - page 12
– 12 – St artup MAKE SURE THA T THE HEA TER IS FULL OF W A TER. See “Filling the W ater Heater” section. DO NOT A TTEMPT T O ST ART BURNER IF ANY OF THE FOLLOWING CONDITIONS EXIST : 1. Excess oil has accumulated. 2. The unit is full of vapours. Af ter the inst allation is finished and the inst allation checklist completed, proceed as follow ...
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GSW JWF307 - page 13
– 13 – Wa ter T emper a tur e Re gula tion Once inst alled, the operation will be completely automatic. The thermost at (aquast at) on the water heater is adjust able and will maint ain water at the desired temperature. W ARNING: HOT W A TER CAN PRODUCE 3RD DEGREE BURNS IN 6 SECONDS A T 140 o F (60 O C) IN 30 SECONDS A T 130 O F (54 O C) Thermo ...
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GSW JWF307 - page 14
W ARNING! The temperature and pressure relief valve must be manually operated at least once a year . Caution should be t aken to ensure that: 1. No one is in front of or around the outlet of the temper- ature and pressure relief valve discharge line. 2. The water manually discharged will not cause any bod- ily injury or property damage. The water m ...
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GSW JWF307 - page 15
– 15 – • Black water can be an indication of organic cont ami- nates in the water supply . This can be problematic in areas where the water is obt ained from surface or cont- aminated sources. Organic p articles can develop bacte- rial growth, causing potential health hazards. • Cont act your water supplier for proper filtration or water co ...
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GSW JWF307 - page 16
– 16 – 1. Shut of f the oil supply at the t ank. 2. Shut of f the cold water supply to the heater . 3. T urn "OFF" the electrical supply to the water heater . 4. Open an up st airs hot water faucet (to relieve any pres- sure). When freezing temperatures are expected: 1. Shut of f the oil supply at the t ank. 2. Shut of f the cold wate ...
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GSW JWF307 - page 17
– 17 – W A TER HEA TER 8in T O 12in MAX. HOT OUTLET EXP ANSION T ANK (OPTIONAL) MIXING V AL VE COLD INLET CHECK V AL VE (IF USED REQUIRES EXP ANSION T ANK) COLD SUPPL Y HOSE BIB (OPTIONAL) FLOW CONTROL SUPPL Y RETURN CHECK V AL VE EXTERNAL CIRCULA T OR AIR HANDLER HOT W A TER T O HOUSE FIXTURE Figure 14 COMBO HEA TING - AIR HANDLER C H M INTERN ...
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GSW JWF307 - page 18
– 18 – T able 1 LISTING OF OIL BURNERS. Mode l MFGR Burn er N ozz le & P u mp P re s s . Bl ast tube No t e s BE CKE T T AFG GSW - J3 037 0.75 GPH U . S. ON LY BE CKE T T AFG GSW - J3 036 0.75 GPH MA SS . ONL Y C ARLI N E Z 19 729 7AJW 31 7 0.75 GPH C ARLI N 972 97 A J W 3 17 0.75 x 6 0A D E L 854 72, 10 0 psi 9" BE CKE T T AFG GSW - J ...
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GSW JWF307 - page 19
– 19 – Mode l MFGR Burn er N ozz le & P u mp P re s s . Bl ast tube No t e s AE RO FA FC- 2X 0.75 GPH AE RO S V - 2X 0.75 GPH AE RO FA FC- 2X 0.75 x 8 0A 5 15/16 " AE RO S V - 2X 0.75 x 8 0A 5 15/16 " BE CKE T T AFG GSW - J5 006 0.75 GPH C ANADA BE CKE T T AFG GSW - J5 032 0.75 GPH U . S. BE CKE T T AFG GSW - J5 031 0.75 GPH MA SS ...
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GSW JWF307 - page 20
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 5 5 5 5 7 ~ Certificate of W arranty ~ For its GSW and John W ood water heaters and storage boosters ("Unit"), GSW W ater H ...
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