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USING THE FEATURES OF YOUR 

 

FURNACE

 

GREEN LAMP

 :  It is lit when the flame is ON. 

RED LAMP

 :  In case the flame disappears, the gas flow will be shut off and the red 

lamp will be lit.  The furnace is locked-out.  To reset the furnace, follow the instructions 
above, "WHAT TO DO IF THE RED LAMP IS LIT." 
  

MANUAL/PROGRAM BUTTON:

   When the button is down, the furnace keeps the  

temperature set by the thermostat according to the clock's program.  When the  
button is up, the furnace thermostat maintains the temperature. 
  

THERMOSTAT:

   Turn clockwise to increase the temperature, turn counterclockwise 

to decrease it. 

SUMMER/WINTER:

   When the button is up, the furnace 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 up.  For soft heating and 

silent operation, keep this button down. 

HUMIDIFIER:

   For better comfort this furnace is equipped with a humidifier.  It is very 

easy to use.  Using a funnel, periodically add water to the small tank located on the 
top left side of the furnace.  Normally, the tank needs to be refilled after 4 - 5 days. 
  

NOTE:

   The use of water low in limestone or distilled is advisable in order to prevent 

any possible calcareous sedimentation that may be difficult to remove. 

Anticalcareous tablets for humidifiers are commercially available.  The humidifier 
capacity is 11.8 fluid ounces (0.35 liters). 

  

HUMIDIFIER:  

water filling hole 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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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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