John-wood Oil-Fired User Manual

WARNING:If the information in these instructions isnot followed exactly, a fire or explosionmay result causing property damage, per-sonal injury or de

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

ChimneyBe sure that the chimney is sufficiently high and largeenough to meet the specifications of the burner unitinstalled. Check that there is suffi

• 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 i

DO NOT use any pumps, valves, or fittings that are not com-patible with potable water.DO NOT use valves that may cause excessive restriction towater f

Installation Of The Aquastat(Temperature Control)This heater operates automatically under the control of theaquastat, which responds to the demand of

– 15 –OIL VALVEBURNERMOTORIGNITORLIMITJUMPERCADCELLTTFFWHITEBLACK48245BURNER JUNCTION BOXL2 NEUTRALFigure 11 Typical Primary Control Wiring(48245).BLO

Installation ChecklistStartupDO NOT ATTEMPT TO START BURNER IF ANY OF THEFOLLOWING CONDITIONS EXIST:1. Excess oil has accumulated.2. The unit is full

Water Heater OperationStackingStacking occurs when a series of short draws of hot water(11 litres (3 US gallons) or less) are taken from the waterheat

Do not attempt to repair your water heater. Call a qualifiedOil-Burner Technician for service. Turn “OFF” the electricpower whenever the water supply

Cleaning Instructions, Flue PassagesOf The JWF657 HeaterRefer to Figure 13 for components of the heater.1. Remove the casing top and lift the insulati

– 2 –TABLE OF CONTENTSI) Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Consumer Responsi

This section serves as a guide for the installation and use of“Combo” heating systems utilizing a domestic water heaterthat has been specifically appr

InstallationThe heating mode may be one of the following options:1. A fan coil/air handler (Figure 14).2. A hydronic baseboard (finned tube) loop (Fig

– 22 –Table 1 Listing Of Oil Burners.Model MFGR Burner Nozzle & Pump Press. Blast tube NotesBECKETT AFG GSW-J3037 0.75 GPH U.S. ONLY BECKETT

– 23 –Model MFGR Burner Nozzle & Pump Press. Blast tube NotesAERO FAFC-2X 0.75 GPH AERO SV-2X 0.75 GPH AERO FAFC-2X 0.75 x 80A 5 15/16

– 24 –LIMITED WARRANTYRESIDENTIAL STORAGE TANK TYPE WATER HEATER FOR INSTALLATION IN A SINGLE FAMILY DWELLINGA. WHO IS COVERED.GSW WATER HEATING AND I

– 25 –d. The water heater or any of its component parts are damaged or fails from operation with an empty or partiallyempty tank (such as, but not lim

– 26 –This page intentionally left blank. May be used for notes or to record other installation information.

Thank you for purchasing a John Wood Oil Fired WaterHeater. Properly installed and maintained, it will provideyears of trouble free service.This Oil F

For Installations in the United States:“Standard for the Installation of Oil-Burning Equipment(NFPA 31)” and“National Electrical Code (NFPA 70)” avail

THESE CONDITIONS CAN RESULT IN UNSEEN INTER-NAL DAMAGE and are not subject to warranty coverage.This product contains fiberglass wool and ceramic fibe

In Earthquake ZonesNote: The water heater must be braced, anchored, orstrapped to avoid moving during an earthquake. Contactlocal utilities for code r

– 7 –600mm (24 in.) MIN.FOR SERVICING457mm(18 in.)MIN.FLUESEE TABLE TOPSEE TABLE FLUE SIZESSEE TABLE NON-COMBUSTIBLE FLOORCOMBUSTIBLE CEILINGDRAFTREGU

– 8 –Figure 2 Installation Dimensions (Center Flue Models)ADCBEFGHFigure 3 Installation Dimensions (Center/Rear FlueModels)JW317/JW327 JW517/JW527 JW7

Air RequirementsAn adequate supply of combustion and ventilation air isrequired to:• Ensure proper combustion.• Reduce risk of property damage, severe