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John Wood JW717 User Manual

John Wood JW717
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OIL FIRED WATER HEATER
Installation and Operating Manual
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED.
IF YOU ARE UNSUCCESSFUL, PLEASE CONTACT THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.
1502 331552-000
- Improper installation, adjustment, altera-
tion, service, or maintenance can cause
injury or property damage. Refer to this
manual. For assistance or additional
information, consult a qualified Oil-
Burner Technician or your oil supplier.
- Do not store or use gasoline or other
flammable vapours and liquids in the
vicinity of this or any other appliance.
- Installation and service must be
performed by a qualified Oil-Burner
Technician or your oil supplier.
- WHAT TO DO IF YOU SMELL OIL:
• Immediately call your oil supplier.
Follow the oil supplier's instructions.
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury or death.

Table of Contents

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John Wood JW717 Specifications

General IconGeneral
Power SourceElectric
Frequency50Hz
Protection LevelIPX4
Voltage220-240V
Water InletG1/2"
Water OutletG1/2"

Summary

Introduction

Consumer Responsibilities

Details user obligations for proper installation and care.

Safety

Installation Codes

Lists applicable codes and authorities for installation.

Flammable Vapours Warning

Warns about fire and explosion hazards from flammable liquids.

Scalding Warning

Warns about severe burns from excessively hot water.

Carbon Monoxide Warning

Warns about the dangers of carbon monoxide gas.

Relief Valve Requirements

Specifies requirements for temperature and pressure relief valves.

Explosion Hazard Warnings

Alerts to potential explosion risks, including hydrogen gas.

Possible Cancer Hazard

Warns about potential cancer hazard from airborne fibers.

Installation

Unpacking the Water Heater

Instructions for safely unpacking and inspecting the unit.

Location Requirements

Guidelines for selecting a safe and appropriate installation location.

Earthquake Zone Installation

Requires bracing and anchoring for seismic zones.

Clearances and Accessibility

Specifies minimum distances from combustible materials.

Oil Supply Requirements

Details compliance for oil tank, piping, and burners.

Burner Installation Procedures

Emphasizes professional installation by a qualified technician.

Installation Clearances Diagram

Provides a diagram and table for installation clearance requirements.

Installation Dimensions Diagrams

Illustrates installation dimensions for different models.

Combustion Air Requirements

Explains the need for adequate combustion and ventilation air.

Vent and Exhaust Connections

Details requirements for vent and exhaust system connections.

Vent Pipe System Guidelines

Discusses vent pipe system requirements and recommendations.

General Chimney Requirements

Outlines requirements for chimneys used for venting.

Draft Regulator Installation

Explains the function and installation of the draft regulator.

Blocked Vent Safety Switch

Details the installation of the blocked vent safety switch.

Power Venter Installation

Instructions for installing a power venting system.

Water Supply Requirements

Covers water supply requirements and pressure considerations.

Piping Installation Guide

Guides on installing water piping and fittings correctly.

Mixing Valve Installation

Discusses the use and installation of mixing valves.

Thermal Expansion in Closed Systems

Explains thermal expansion and the need for expansion tanks.

T&P Relief Valve Installation

Details the function and installation of the T&P relief valve.

T&P Discharge Line Requirements

Specifies requirements for the T&P valve discharge line.

Aquastat Replacement Procedure

Step-by-step guide for replacing the aquastat.

Electrical Supply Wiring

Covers electrical wiring requirements and safety.

Filling The Water Heater

Instructions for filling the tank with water before operation.

Installation Checklist

A checklist to ensure all installation steps are completed.

Operation

Startup Procedure

Step-by-step instructions for starting the water heater.

Water Temperature Regulation

How to adjust and maintain the water temperature.

Normal Operation Aspects

Discusses normal operation, sounds, and odors.

Stacking Phenomenon

Explains short draws and their effects on water temperature.

Water Heater Sounds Explanation

Describes common sounds during operation.

Initial Smoke and Odor

Explains initial smoke and odor during startup.

Anode Rod and Water Odor

Addresses water odor issues and anode rod function.

Maintenance

Routine Preventative Maintenance (Owner)

Regular maintenance tasks for the owner.

Tank Draining and Flushing

Instructions for periodic draining and flushing of the tank.

T&P Relief Valve Testing

How to test and maintain the T&P relief valve.

Anode Rod Inspection/Replacement

Procedures for inspecting and replacing the anode rod.

Valve Washer Replacement

Steps for replacing washers in valves.

Cleaning Flue Passages (JW F657)

Detailed cleaning procedure for flue passages.

Extended Period Shut Down

Instructions for shutting down the heater for vacations.

Heater Restart After Shut Down

Steps to safely restart the heater after a shutdown period.

Combo Heating

Combo System Installation Requirements

Requirements for installing heating modules with the water heater.

Oil Burner Listing

Installation Record Keeping

Section for recording installation details.

Service Record Keeping

Section for recording service history.

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