Williams 2903512, 2903511 Operating Instructions, For Your Safety Read Before Operating

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Operating Instructions

Before operating the furnace, read carefully all warnings and safety information in this manual.

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

A.This appliance does not have a pilot which must be lighted by means of the piezo igniter installed on the furnace. Do not try to light the pilot by hand.

B.BEFORE LIGHTING, smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heav ier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS:

-Do not try to light any appliance

-Do not touch any electric switch

-Do not use any phone in your building

-Immediately call your gas supplier from a neighbor's phone.

Follow the gas supplier's instructions.

- If you cannot reach your gas supplier, call the fire department.

C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, do not try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

OPERATING INSTRUCTIONS

1.

STOP! Read the safety information above on this label.

GREEN

 

2.

Set the thermostat to the lowest setting by turning it counterclockwise

LAMP

 

 

 

 

 

completely. Do not force.

G R

REDTIMER

 

LAMP

 

 

 

3.Turn off all electric power to appliance.

4. This appliance is equipped with an ignition device that automatically lights the

MANUAL/PROGRAMMED

burner. Do not try to light the burner by hand.

BUTTON

 

5.Turn off gas supply to the unit by turning off the gas shutoff valve.

6.

Wait five minutes to clear out any gas. If you then smell gas, STOP! Follow

 

 

 

THERMOSTAT

 

the safety information in section "B" above. If you do not smell gas, go to the

 

 

 

 

THERMOSTAT

 

 

 

 

 

 

 

next step.

 

 

 

 

RESET

 

 

 

GREEN

7.

Turn on the gas supply to the unit.

 

 

 

 

 

LAMP

SUMMER/WINTER

8.

Turn on electric power to the appliance.

 

 

RESET

BUTTON

 

 

 

 

 

 

 

 

 

 

9.

Push the MIN/MAX button to MIN position (button down).

SUMMER/WINTER

 

 

 

 

 

 

MIN

 

10.

Switch the SUMMER/W INTER button to WINTER position (button up).

 

 

 

BUTTON

 

 

 

 

 

MIN/MAX

 

 

 

 

 

 

RED

11.

Set thermostat to desired setting.

 

 

 

MAX

LAMP

12.

The red lamp will be lit for 40 seconds, then the flame ignite. The red lamp

MIN/MAX

 

 

 

 

 

 

 

 

will then shut off and the green lamp will be lit.

13.If the appliance will not operate, follow the instructions below "To Turn Off Gas Of Appliance" and call your serv ice technician or gas supplier.

14.If you choose the high heat output setting, push the MIN/MAX button to MAX position (button up). If you prefer soft heating and silent operation, keep it on MIN position (button down).

15.This appliance has an automatic flame control system. When the flame is lit, the green lamp is lit also. In case of flame fault, the red lamp will light and the green lamp will turn off. If this occurs, set the SUMMER/WINTER button to the SUMMER position (button down) and wait ten (10) seconds; then turn the switch back to the W INTER position (button up). The appliance will attempt to relight after approximately 40 seconds. During these 40 seconds the red lamp will be lit. If the second attempt is unsuccessful, turn off the electric power to the appliance and call your Service Agency.

TO TURN OFF GAS TO APPLIANCE

1.Set the thermostat to the lowest setting by turning it counterclockwise completely. Do not force.

2.Turn off all electric power to the appliance if service is to be performed.

3.Turn the gas tap installed on the gas supply to the C LOSED position.

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Contents Direct-Vent Wall Furnace General Information and Technical Data Table of ContentsSafety Information for Users of LP Gas Safety Rules and General WarningsLP Gas Warning Odor Some Points to Remember Technical DataWall Installation InstallationPage Outside Location for Vent Terminal Ring Gasket Gas Type Nozzle Part Number Gas ConversionsNozzle Diameter Minimum Manifold Gas PressurePressure Testing of the Gas Supply System Installing a New Main Gas Shutoff ValveGas Supply High Altitudes U.S. OnlyChecking the Gas Inlet Pressure First Firing of the FurnaceChecking the Gas Manifold Pressure Electrical Wiring Operating Instructions For Your Safety Read Before OperatingWhat to do if the RED Lamp is LIT Servicing Checking and Adjusting the Gas Manifold PressureLubrication of Moving Parts Flame Visual CheckAnnual Maintenance Requirements Overview Programmable TimerDay and Time Setting Setting and Adjustment Initial ConditionsProgramming the Timer Manual OperationCancelling of all Preset Programs Cancelling a Single ProgramUsing the Skip Function Skip Function Procedure During OperationStarting Sequence Electrical TroubleshootingTroubleshooting Step Starting Sequence Gas Gas Assembly Replacement PartsJMTR018