Williams 0743512, 0743511 Table of Contents, General Information and Technical Data, Installation

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Table of Contents

Table of Contents

General Information and Technical Data

Instructions to Installer ………………………………………………………………………….……….................………… 1

Safety and General Warnings ………………………………………………………………….…………………...………... 2

Technical Data ……………………………………………………………………………………….…………...……………. 3

Installation

Wall Installation ………………………………………………………………………………………………………………… 4

Outside Location for Vent Terminal ……………………………………………………………………………….…………. 5

Gas Supply ………………………………………………………………………………………………………….………….. 7

Operating Instructions

Operating Instructions …………………………………………………………………………………………….………….. 9

Servicing

Checking and Adjusting the Gas Manifold Pressure ………………………………………………………………….…. 10

Checking, Removing and Reassembling of the Vent – Air Intake System ………………………………………….…. 10

Lubrication of Moving Parts ……………………………………………………………………………………………….… 10

Flame Visual Check ……………………………………………………………………………………………………….…. 10

Replacement Parts ………………………………………………………………………………………………………….… 11

General Information and Technical Data

This furnace is design certified to ANSI Z21.86-2004 / CSA 2.32-2004 Gas–Fired Gravity and Fan-Type, Direct-Vent Wall

Furnaces as a Fan-Type Direct-Vent Wall Furnace to be installed on an outside wall according to these instructions.

Any alteration of the original design, installed other than as shown in these instructions or used with a type of gas not

shown on the rating plate is not permitted.

Instructions to Installer

Installation and repair should be done by a QUALIFIED SERVICE TECHNICIAN.

The installation must conform to local codes or in the absence of local codes; the installation must conform to the National Fuel Gas Code ANSI Z223.1/NFPA 54, Natural Gas and Propane Installation Code CSA B149.1.

Mobile (Manufactured) home installations must conform with the “Manufactured Home Construction and Safety Standard Title 24 CFR, Part 3280” or, when such a standard is not applicable, the Standard for Manufactured Home Installations, ANSI A 225.1 NFPA/501A, Mobile Home Standard, CAN/CSA Z240 MH Series, in Canada. Installer must leave instruction manual with home owner after installation. Installer must show home owner how to start and operate furnace and thermostat. Installer must provide a 1/8-inch NPT plugged tapping for test gauge connection immediately upstream of the gas supply connection of the furnace.

During initial firing of the furnace, residual manufacturing grease will bake out and smoke will occur which is not a health danger. To prevent nuisance and operation of fire alarms, ventilate the room for the first two hours of operation.

WARNING: Any change to this furnace or its controls can be dangerous. This is a heating appliance and any

panel, door or guard removed for servicing this furnace must be replaced prior to operating the furnace.

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Contents Direct-VentWall Furnace Installation Table of ContentsGeneral Information and Technical Data Instructions to InstallerLP Gas Warning Odor Safety Rules and General WarningsSafety Information for Users of LP Gas That’s your signal to go into immediate actionTechnical Data Some Points to RememberThe furnace must be located on an outside wall Wall InstallationInstallation Part Number WFL-STF088Outside Location for Vent Terminal 5.Place the insulating sheet on the support bracket and attach the bracket with insulation to the wall by tightening the five screws with washer. Figure 3 Be sure the bracket is horizontal Gas Supply Installing a New Main Gas CockPressure Testing of the Gas Supply System First Firing the Furnace High Altitudes US OnlyHigh Altitudes Canada Only Checking the Gas Inlet PressureTO TURN OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE OPERATINGOPERATING INSTRUCTIONS Operating InstructionsFlame Visual Check Checking and Adjusting the Gas Manifold PressureLubrication of Moving Parts ServicingReplacement Parts