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Safety Rules and General Warnings 

DO NOT OPERATE THIS FURNACE WITHOUT FRONT PANEL INSTALLED 

 

Due to high temperatures, the furnace should be 
located out of traffic and away from combustible 
materials such as furniture and draperies. 

 

Children and adults should be alerted to the 
hazards of high surface temperatures and should 
stay away to avoid burns or clothing ignition. 

 

Young children should be carefully supervised 
when they are in the same room as the furnace. 

 

Clothing or other flammable material should not be 
placed on or near the furnace. 

 

Any safety screen or guard removed for servicing 
an furnace must be replaced prior to operating the 
furnace. 

 

Keep burner and control compartment clean. 

 

The outside vent cap is hot while furnace is in 
operation. 

 

Installation and repair should be done by a 
QUALIFIED SERVICE TECHNICIAN. The furnace 
should be inspected before use and at least 
annually by a qualified service technician. 

 

More frequent cleaning may be required due to excessive 
lint from carpeting, bedding materials, etc.  It is imperative 
that control compartments, burners and circulating air 
passageways of the furnace be kept clean. 

 

DO NOT put anything around the furnace that will obstruct 
the flow of combustion and ventilation air. 

 

DO keep the furnace area clear and free from combustible 
materials, gasoline and other flammable vapors and 
liquids. 

 

DO examine venting system periodically and replace 
damaged parts. 

 

DO examine burner periodically. Clean and replace 
damaged parts. 

 

DO NOT use this furnace if any part has been under 
water.  Immediately call a qualified service technician to 
inspect the furnace and to replace any part of the control 
system and any gas control which has been under water. 

 

 

Safety Information for Users of LP Gas 

 

Propane (LP Gas) is a flammable  gas which can cause fires and explosions. In its natural state, propane is odorless and 
colorless. You may not know all the following safety precautions which can protect both you and your family from an accident. 
Read them carefully now, then review them point by point with the members of your household.   Someday, when there may not 
be a minute to lose, everyone’s safety will depend on knowing exactly what to do. If, after reading the following information, you 
feel you still need more information, please contact your gas supplier. 

 

 

LP Gas Warning Odor 

If a gas leak happens, you should be able to smell the gas because of the odorant put in the LP Gas. 

That’s your signal to go into immediate action! 

 

 

Do not operate electric switches, light matches or use your phone.  Do not do anything that could ignite the gas. 

 

IMMEDIATELY get everyone out of the building, vehicle, trailer or area.  

 

Close all gas tank or cylinder supply valves. 

 

LP Gas is heavier than air and may settle in low areas such as basements. When you have reason to suspect a gas      
leak, keep out of basements and other low areas. Stay out until firefighters declare them to be safe. 

 

Use your neighbor's phone and call a trained LP Gas service technician and the fire department. Even though you may        
not continue to smell gas, do not turn on the gas again.  Do not re-enter the building, vehicle, trailer or the area. 

 

Have the service technician or fire department air out the area before you return. A properly trained LP Gas service 
technician must repair the leak, check and relight the gas furnace for you.

 

 

Содержание 2903511

Страница 1: ...losion may result causing property damage personal injury or loss of life Williams Furnace Co 250 West Laurel Street Colton CA 92324 U S A MODEL Natural Gas Only 2903512 MODEL Propane Gas Only 2903511...

Страница 2: ...d 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...

Страница 3: ...lified service technician to inspect the furnace and to replace any part of the control system and any gas control which has been under water Safety Information for Users of LP Gas Propane LP Gas is a...

Страница 4: ...is a good safety measure under any condition If at any time you do not smell the LP Gas odorant and you should assume you have a leak Then take the same immediate action recommended above for the occa...

Страница 5: ...th CAN CSA C22 2 No 3 Installations in the State of Massachusetts All installations in the State of Massachusetts must use the following requirements when installing maintaining or operating direct ve...

Страница 6: ...ne of the terminal 18 inches 46 cm minimum E Clearance to unventilated soffit 12 inches 30 cm minimum clearance to vinyl soffit 36 inches 90 cm minimum F Clearance to outside corner 12 inches 30 cm mi...

Страница 7: ...ipe in the wall through the hole provided in the support bracket Place the round adhesive gasket around the hole so that the air pipe remains in its position 6 Attach the supporting bracket with the s...

Страница 8: ...ace 14 Position the vent cap and attach it with the screws Figure 7 15 Connect the female end of the three prong plug to the furnace connection on the bottom of the furnace 16 Connect the gas supply l...

Страница 9: ...s pressure and settings Minimum Burner Pressure Setting a Set LOW burner capacity by pressing button Z2 b Connect a micro manometer to the test gauge B Figure 8 c Rotate the internal screw D Figure 8...

Страница 10: ...he inlet pressure to the gas valve a plugged tapping accessible for test gauge connection is provided on the gas valve Figure 8 2 The appliance and its individual shutoff valve must be disconnected fr...

Страница 11: ...pressure must be checked both in Hi and Lo input The gas manifold pressure must be as shown in the Technical Data Differences of plus or minus 0 1 in w c are accepted If the Hi or Lo gas manifold pres...

Страница 12: ...SSURE SWITCH FLAME SENSOR SPARK IGNITER 2 pcs COMBUSTION BLOWER MOTOR FLAME VIEW LAMP GREEN LAMP SB TR Z1 Z2 Z3 Z8 Z9 L1 L2 GND LOCK OUT LAMP RED LAMP TRANSFORMER 120 24 V RESET AND SUMMER WINTER SWIT...

Страница 13: ...ot 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 neightbor s phone FOR YOUR SAFETY READ BEFORE OPERATING W...

Страница 14: ...rnace will operate in heating mode according to the thermostat and or clock s program When the button is down the appliance will provide ventilation MIN MAX BUTTON For faster heating keep this button...

Страница 15: ...solution and correct any leaks prior to operating the furnace The HI and LO pressures must be adjusted as explained above Never try to adjust them independently from each other Checking Removing and...

Страница 16: ...s 4 Check air flow switch 5 Clean and check exhaust flue pipe and air intake pipe 6 Check for gas leaks on all connections 7 Check and adjust gas pressure Check red O Ring Gasket NRNG003 If it is dama...

Страница 17: ...tion Programmable day blocks 1 2 3 4 5 Monday Friday 1 2 3 4 5 6 Monday Saturday 1 2 3 4 5 6 7 Monday Sunday 6 7 Saturday Sunday KEY A On Off Switch Pos I The appliance is controlled by the room therm...

Страница 18: ...7 Figure 10 D a triangular shaped indicator proceeds one day at a time Number 1 stands for Monday number 2 stands for Tuesday etc C To set the time press the Hour Selector button h Figure 10 E to set...

Страница 19: ...ght Press the Program Selector Figure 10 C button and select the program to be cancelled B Simultaneously press the Program Selector Figure 10 C and SKIP button Figure 10 G for at least 2 seconds The...

Страница 20: ...nd summer winter switch The switch is closed if there is no ignition block 4 Check Z2 Hi Lo flame and fan speed switch Button down Minimum velocity Button up Maximum velocity TROUBLESHOOTING STEP 2 Po...

Страница 21: ...wirings and connections If they are OK replace the thermostat STEP 4 8 Check Z9 Room thermostat Close the thermostat by a clockwise rotation 9 Check M1 Overheat thermostat automatic reset The thermos...

Страница 22: ...e the transformer Point 14 EV1 Valve closed during ignition Z2 down Check wirings connections and voltage If everything is OK replace the gas valve Point 15 RP7 No spark during ignition Check electrod...

Страница 23: ...inter Switch Part Number P332571 Z8 Z3 Timer and Manual Program Mode Switch Part Number P332570 Z2 Hi Lo Flame and Fan Speed Switch Part Number P332569 SF SB Green and Red Lamps Part Number P332538 P3...

Страница 24: ...ion Blower Motor Part Number P332514 M1 Overheat Thermostat Part Number P332522 M2 Fan Thermostat Part Number P332496 Fan Blades 4 pieces Part Number P332572 Left P332638 Right M Fan Motor 2 Pieces Pa...

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