Williams FORSAIRE 4007332 Owner's Manual
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Williams FORSAIRE 4007332 Owner's Manual

Counterflow direct vent gas wall heater
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OWNER'S MANUAL
INSTALLATION INSTRUCTIONS
FORSAIRE
DIRECT VENT GAS WALL HEATER
MODEL NUMBERS:
(natural gas)
4007332 / 4007732 / 5507332 / 6007732
(propane gas)
4007331 / 4007731 / 5507331 / 6007731
SAVE THIS MANUAL FOR FUTURE REFERENCE.
READ THIS OWNER'S MANUAL CAREFULLY BEFORE YOU
INSTALL YOUR NEW WILLIAMS WALL FURNACE.
WARNING: This direct-vent furnace is approved
for aftermarket manufactured home installations (once
the manufactured home is sold, installed and stationary)
unless prohibited by local codes. Not for manufactured
home manufacturer (factory) installation. Do not install
any of these furnaces (natural or propane gas) in trailers
or recreational vehicles.
WARNING: This product can expose you to
chemicals including epichlorohydrin which is known to
the State of California to cause cancer and birth defects
and/or other reproductive harm. For information go to
www.p65warnings.ca.gov
WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause injury or
property damage. Refer to this manual. For assistance or
for additional information consult a qualified installer or,
service agency.
250 West Laurel Street, Colton CA 92324 • WWW.WFC-FC.COM • 1-888-444-1212
TM
COUNTERFLOW
™
VISITEZ NOTRE SITE WEB POUR LA VERSION FRANÇAISE DE CE MANUEL
VISITE NUESTRA PÁGINA WEB PARA LA VERSIÓN EN ESPAÑOL DE ESTE MANUAL
https://www.williamscomfortprod.com/products/furnaces/
40,000 - 60,000 BTU/hr.
WARNING: If the information in these instructions
is not followed exactly, a fire or explosion may result
causing property damage, personal injury or loss of life.
- Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
• Open all windows.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone or cell phone in your building.
• Extinguish any open flame.
• Immediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
• If you cannot reach the gas supplier, call the fire
department.
– Installation and service must be performed by a
qualified installer, service agency or the gas supplier.

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Summary of Contents for Williams FORSAIRE 4007332

  • Page 1 4007331 / 4007731 / 5507331 / 6007731 SAVE THIS MANUAL FOR FUTURE REFERENCE. READ THIS OWNER’S MANUAL CAREFULLY BEFORE YOU INSTALL YOUR NEW WILLIAMS WALL FURNACE. 40,000 - 60,000 BTU/hr. WARNING: This direct-vent furnace is approved WARNING: If the information in these instructions...

  • Page 2: Your Williams Warranty

    WARRANTY The manufacturer, Williams Furnace Co., warrants this wall furnace Some states do not allow limitation on how long an implied or heater to the original purchaser under the following conditions: warranty lasts, and some states do not allow the exclusion or...

  • Page 3: Table Of Contents

    CONTENTS Quick Reference YOUR WILLIAMS WARRANTY Here’s how to: INSTALLATION RECORD INSTALLING YOUR FURNACE TABLE OF CONTENTS Recessed Mount, Surface Mount, SAFETY RULES and Vent Installation are explained starting on page 8. INTRODUCTION BASIC TOOLS NEEDED OPERATING YOUR FURNACE BASIC MATERIALS NEEDED Igniting your furnace for the first time.

  • Page 4: Safety Rules

    SAFETY RULES type of installation exactly. Use only the type and size WARNING: Read these rules and the instructions of vent pipe and fittings specified. carefully. Failure to follow these rules and instructions 10. BE SURE to provide for adequate combustion and could cause a malfunction of the furnace.

  • Page 5: Introduction

    INTRODUCTION BASIC DESCRIPTION DO NOT convert the furnace from natural gas to propane The following steps are all needed for proper installation gas or from propane gas to natural gas without the proper and safe operation of your furnace. If you have any doubts manufacturer’s gas conversion kit.

  • Page 6: Basic Tools Needed

    INTRODUCTION Optional Accessories Basic Tools Needed DIFFUSER GRILLE KITS 6703 & 6704 Hand drill or properly grounded electric drill  6703 let’s you route some heated air in a two-way direction. Expansion bit 1/2" to 1-5/8" or 1/2" and 1-1/2" blade bits ...

  • Page 7: Installing Your Wall Furnace

    INSTALLING YOUR FURNACE Locating Your Wall Furnace & FIGURE 1 Thermostat Consider the following points before attempting to install FAN BLADE the furnace: This is a direct-vent wall furnace. It must be installed TOP FRONT PANEL on an OUTSIDE WALL for proper venting of flue gases (Figure 2).
  • Page 8 INSTALLING YOUR FURNACE FIGURE 2 - MINIMUM CLEARANCES RECESSED INSTALLATION CLEARANCE NOTE: A portion of the furnace that is recessed into a wall up to 10” maximum recess may have (0) zero inch clearance to combustibles. (See Figure 3). All other clearances for the unrecessed portion must be observed.

  • Page 9: Recessed Mount Installation

    FIGURE 7 If the distance from the top of the cutout to the ceiling wall plate is more than 18-inches, it is recommended that it be closed off. Nail a 2”x 4” long enough to go between the studs at the top of the opening to close off the stud space.
  • Page 10 INSTALLING YOUR FURNACE GAS AND ELECTRICAL SUPPLY OPENINGS FIGURE 10 - GAS AND ELECTRICAL OPENINGS Holes must be drilled for the gas line and electrical supply. Holes must be located from each side of furnace as shown in Figure 10. Decide whether the gas line will come through the floor or wall.
  • Page 11 ROUGH-IN OPTIONAL SIDE OUTLET NO. 6701 FIGURE 13 - PLASTER GROUND INSTALLATION Install plaster ground as shown in Figures. 12 & 13. Flanges of plaster ground extend the thickness of normal plaster. If “dry-wall” or other thin material, flanges must be trimmed off flush with wall surface.

  • Page 12: Thermostat Installation

    FIGURE 16 - ROUTE THERMOSTAT CABLE FIGURE 15 - TWO-WAY DIFFUSING GRILLE 6703 Thermostat Installation (Sold Separately) Use Williams thermostat P322016 or any millivolt thermostat. If an old thermostat is being replaced and is in a satisfactory location and the wiring appears to be in good condition, use existing wiring.

  • Page 13: Vent Installation

    Vent Installation ATTACHING TUBE TO FURNACE The smaller diameter vent tube (Page 14, Figure 19 ”B”) must be installed first. WARNING: DANGER OF PROPERY DAMAGE, The easiest way to install the vent tubes and get the BODILY INJURY OR DEATH. gaskets positioned properly is to have the furnace lying Proper vent installation is critical to the safe operation front down on a flat surface.

  • Page 14: Mounting Your Furnace

    INSTALLING YOUR FURNACE FIGURE 19 - VENT INSTALLATION furnace), push it into place until the stops are contacted. If the stops prevent the mounting plate from reaching the wall, refer back to “DETERMINE PROPER LENGTHS” Page 13. NOTE: The smaller tube in the vent cap must slide over the vent “B”.
  • Page 15 FIGURE 21 - FURNACE MOUNTING removed for its exact reconnection (Page 15, Figure 23). Remove the burner and control assembly from furnace. MODELS: 4007732 / 6007732 4007731 / 6007731 Remove the manual spark igniter and bracket by removing the (2) screws and disconnecting the wire at the back of the igniter.

  • Page 16: Gas Supply And Piping

    INSTALLING YOUR FURNACE Gas Supply and Piping FIGURE 24 - LEFT SIDE GAS INLET Gas control valve, within the furnace, is shipped with a seal over the gas inlet tapping. Do not remove seal until ready to connect piping. WARNING: Danger of property damage, bodily injury or death.
  • Page 17 The following rules apply: FIGURE 26 - GAS PIPE SIZES Use new, properly reamed pipe free from metal chips PIPE CAPACITY - BTU/hr. WITH FITTINGS and debris such as steel or black iron pipe. Use fittings approved by local codes. NATURAL GAS PIPE CAPACITY BTU/hr.
  • Page 18 INSTALLING YOUR FURNACE HELPFUL HINT top of furnace, using two wire nuts provided. See Wiring Diagrams on Pages 28 and 29. Refer to Page 12, Figure 16 also. After wire nuts are screwed to wires, a small strip of electrical tape can be applied over wire nut at its base and onto wires to make a very solid connection.

  • Page 19: Start-Up Procedure

    START-UP PROCEDURE Start the furnace using the procedures in the section changing the size of the burner orifice. “OPERATING YOUR FURNACE”. Check with your local gas supplier for proper orifice sizing. WARNING: Danger of bodily injury or death. CHECK THE GAS INPUT (NATURAL GAS ONLY) Liquefied petroleum gas (L.P.

  • Page 20: Operating Your Furnace

    4007732 / 6007732 / 4007731 / 6007731 weather. High operation develops maximum capacity of the furnace. NOTE: For models equipped with WILLIAMS gas valve P322041 or A TWO-SPEED FAN IS USED WITH MODELS 6007732 P322042 refer to this pages 20-21 for “SAFETY & LIGHTING AND 6007731.

  • Page 21: Lighting Instructions - Standing Pilot

    NOTE: FOR ADDITIONAL INFORMATION REFER TO THE INSTALLATION AND OPERATION INSTRUCTION MANUAL SUPPLIED WITH THIS APPLIANCE OR CONTACT THE MANUFACTURER IDENTIFYING THE PRODUCT BY ITS MODEL NUMBER LOCATED ON THE RATING PLATE, FOUND NEAR THE GAS VALVE. Lighting Instructions - STANDING PILOT STOP! Read the safety information above.
  • Page 22 Blower will first operate at low speed then shift to high speed as the furnace heats up. NOTE: For models equipped with WILLIAMS gas valve P322043 WARNING: Danger of property damage, bodily or P322044 refer to this page and Page 23 for “SAFETY &...

  • Page 23: Lighting Instructions - Intermittent

    Lighting Instructions - ELECTRONIC (INTERMITTENT) IGNITION IMPORTANT: KEEP BURNER AND CONTROL COMPARTMENT CLEAN. STOP! Read the safety information above. Set the thermostat to its lowest setting. Turn off all electric power to the appliance. This appliance is equipped with an ignition device WARNING: DUE TO HIGH SURFACE which automatically lights the pilot.

  • Page 24: Caring For Your Furnace

    CARING FOR YOUR FURNACE How To Care For Your Furnace ADJUST PILOT BURNER (Page 25 Figure 30) Remove screw cover over pilot adjusting screw. Insert small screwdriver, adjust flame as needed. WARNING: Danger of bodily injury or death. Turn Turn screw counterclockwise to increase flame, off electric power supply at the disconnect switch, fuse clockwise to decrease.
  • Page 25 BURNER CLEANING FIGURE 30 - PILOT FLAME & SPARK GAP Check burner. If cleaning is required, contact a qualified service technician to clean and service burner. WARNING: Danger of bodily injury or death. Make sure electric power and gas supply are off before removing panels or doors, etc.

  • Page 26: Installations In The State Of Massachusetts

    INSTALLATIONS IN THE STATE OF MASSACHUSETTS c. Meet ANSI/UL 2034 Standards and comply with All installations in the State of Massachusetts must use the following requirements when installing, maintaining NFPA 720 (2005 Edition); and d. Have been approved and listed by a Nationally or operating direct-vent propane or natural gas-fired Recognized Testing Laboratory as recognized under space heaters.

  • Page 27: Forsaire Hardwire Accessory 9940

    Be sure this accessory is of the type and design required for use with your furnace. SUMMARY: This accessory converts Williams’ Forsaire Counterflow furnaces using the electric service cord The 40077 model series with a single speed motor is shown in the wiring diagram below.

  • Page 28: Wiring Diagrams

    WIRING DIAGRAMS MODELS - 4007332 / 4007331 MODELS - 5507332 / 5507331 FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...
  • Page 29 MODELS - 4007732 / 4007731 MODELS - 6007732 / 6007731 FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...

  • Page 30: Furnace Assembly Replacement Parts 400 Models

    FURNACE ASSEMBLY REPLACEMENT PARTS 400 MODELS MODEL NUMBERS 4007332 4007331 4007732 4007731 REF. REPLACEMENT PART DESCRIPTION 4007332 4007331 4007732 4007731 Outer Casing with Air Pan 11C42-2 11C42-2 11C42-2 11C42-2 Heating Element 11C67 11C67 11C67 11C67 Element Tube 11C37 11C37 11C37 11C37 Inner Liner 11B46...
  • Page 31 EXPLODED VIEW & REPLACEMENT PARTS FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...

  • Page 32: Control Assembly Replacement Parts 400 Models

    P323653 P323653 Manifold Gasket P151700 P151700 Orifice Fitting, Specify Model & Gas P090532 P090548 50mm Burner P323648 P323648 Burner Pan 11B133 11B133 Williams Valve P323210 P322044 Pilot, Natural P323418 ––– Pilot, Propane ––– P323419 Thermocouple ––– ––– Flame Sensor P271100...

  • Page 33: Control Assembly Replacement Parts 400 Models

    P323653 P323653 Manifold Gasket P151700 P151700 Orifice Fitting, Specify Model & Gas P090532 P090548 50mm Burner P323648 P323648 Burner Pan 11B133 11B133 Williams Valve P323209 P322042 Pilot, Natural P323418 ––– Pilot, Propane ––– P323419 Thermocouple P254000 ––– Flame Sensor –––...

  • Page 34: Furnace Assembly Replacement Parts 550 Models

    FURNACE ASSEMBLY REPLACEMENT PARTS 550 MODELS MODEL NUMBERS 5507332 5507331 REF. REPLACEMENT PART DESCRIPTION 5507332 5507331 Outer Casing with Air Pan 11C42-1 11C42-1 Heating Element 11C66 11C66 Element Tube 11C37 11C37 Inner Liner 7B79 7B79 Deflector Baffle Handle 11C63 11C63 Fan Shroud 11B86 11B86...
  • Page 35 EXPLODED VIEW & REPLACEMENT PARTS FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...

  • Page 36: Control Assembly Replacement Parts 550 Modles

    Orifice Fitting, Specify Model & Gas (2) P090541 P332621 50 mm Burner (With pilot bracket) P323648 P323648 50 mm Burner (Without pilot bracket) P323649 P323649 Burner Pan 11B134 11B156 Williams Valve P323210 P322042 Pilot, Natural P323418 – Pilot, Propane ––– P323419 Thermocouple ––– P254000...
  • Page 37 EXPLODED VIEW & REPLACEMENT PARTS FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...

  • Page 38: Furnace Assembly Replacement Parts 600 Models

    FURNACE ASSEMBLY REPLACEMENT PARTS 600 MODELS MODEL NUMBERS 6007732 6007731 REF. REPLACEMENT PART DESCRIPTION 6007732 6007731 Outer Casing with Air Pan 11C42-1 11C42-1 Air Pan Tunnel Gasket P151900 P151900 Inner Liner 11B120 11B120 Heating Element 11C66 11C66 Observation Door Assembly 12B40 12B40 Burner Pan Gasket (2 Req.)
  • Page 39 REF. REPLACEMENT PARTS DESCRIPTION 6007732 6007731 KIT Diffusing Grille - Two-Way 6703 6703 KIT Diffusing Grille - One-Way 6704 6704 Thermostat not included with these models. FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...

  • Page 40: Control Assembly Replacement Parts 600 Models

    Orifice Fitting, Specify Model & Gas (2) P090538 P332621 50 mm Burner (With pilot bracket) P323648 P323948 50 mm Burner (Without pilot bracket) P32649 P323649 Burner Pan 11B156 11B156 Williams Valve P323209 P322042 Pilot, Natural P323418 – Pilot, Propane – P323419 Thermocouple P254000 P254000...
  • Page 41 EXPLODED VIEW & REPLACEMENT PARTS FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...

  • Page 42: Troubleshooting Your Furnace

    TROUBLESHOOTING YOUR FURNACE FOR MODELS: 4007732 / 6007732 / 4007731 / 6007731 * Also applicable to Models equipped with an electric intermittent pilot system. ISSUE POSSIBLE CAUSE(S) CORRECTIVE ACTION 1. Pilot will not stay lit A. Thermocouple producing Check pilot flame – it must impinge on the thermocouple. The pilot flame after following insufficient millivolts.
  • Page 43 CORRECTIVE ACTION ISSUE POSSIBLE CAUSE(S) 5. Burner comes “ON”, A. Furnace operating over-rate. Check for high gas pressure at the gas valve - correct if necessary. See blower comes “ON”, but correct pressure above. burner cycles “OFF” and B. Line voltage too low. Check line voltage to motor, if below 115 volts the motor will run too slow.
  • Page 44 TROUBLESHOOTING YOUR FURNACE FOR MODELS: 4007332 / 5507332 / 4007331 / 5507331 NOTE: Before troubleshooting the intermittent pilot system, be sure thermostat is turned to highest setting, gas shut-off valve and gas valve knob are in the ON position, and electric power is turned ON the furnace. Follow all steps in sequence. A volt-ohm meter will be needed to satisfactorily determine if any components are malfunctioning.
  • Page 45 ISSUE POSSIBLE CAUSE(S) CORRECTIVE ACTION control are tight. The ignition control unit and pilot burner must both be chassis ground. If there is still no spark, the pilot and electrode assembly must be replaced. E. Faulty flame sensor. BE SURE POWER IS “OFF” BEFORE PERFORMING THIS TEST!! Set test meter to the “ohm”...

  • Page 46: Service Record

    SERVICE RECORD DATE MAINTENANCE PERFORMED COMPONENTS REQUIRED FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...

  • Page 47: Hints And Information

    PART NUMBER PART DESCRIPTION All parts listed herein may be ordered from your equipment supplier. The Model Number of your Williams wall furnace will be found on the nameplate near gas valve, inside control compartment. FORSAIRE COUNTERFLOW DIRECT VENT GAS WALL HEATER...
  • Page 48 www.williamscomfortprod.com | 888-444-1212 | 250 West Laurel Street, Colton CA 92324 USA Subject to change without notice | © 2021 P321004_RV 06/21...

This manual is also suitable for:

Forsaire 4007732Forsaire 5507332Forsaire 6007732Forsaire 4007331Forsaire 4007731Forsaire 5507331 ... Show all

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