Williams 2509622 Owner's Manual

Williams 2509622 Owner's Manual

Top-vent gravity wall furnace

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Owner's Manual
25,000 and 35,000
Btu/hr. Model
Williams Furnace Co.  250 West Laurel Street  Colton, California 92324 U.S.A.
Model Numbers:
2509622; 2539622; 2559622; 3509622; 3539622; 3559622;
5009622; 5039622; 5059622
FOR USE WITH NATURAL GAS ONLY
Model Numbers:
2509621; 2539621; 2559621; 3509621; 3539621; 3559621;
5009621; 5039621; 5059621
FOR USE WITH PROPANE GAS ONLY
READ THIS OWNER'S MANUAL CAREFULLY BEFORE YOU
INSTALL YOUR NEW WILLIAMS WALL FURNACE.
 Do not store or use gasoline or other
 WHAT TO DO IF YOU SMELL GAS:
50,000
Btu/hr. Model
 Installation and service must be performed
WARNING:
alteration, service or maintenance can cause injury
or property damage. Refer to this manual.
assistance or for additional information consult a
qualified installer, service agency or the gas
supplier.
S
ave this manual for future reference.
Top-Vent Gravity Wall
Furnace
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.
flammable vapors and liquids in the vicinity
of this or any other appliance.
 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.
by a qualified installer, service agency or
the gas supplier.
Improper installation, adjustment,
For

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Summary of Contents for Williams 2509622

  • Page 1 Refer to this manual. assistance or for additional information consult a qualified installer, service agency or the gas supplier. Williams Furnace Co.  250 West Laurel Street  Colton, California 92324 U.S.A.
  • Page 2: Your Williams Warranty

    Warranty & Installation Record – 2 Warranty The manufacturer, Williams Furnace Co., warrants this wall furnace or heater to the original purchaser under the following conditions: LIMITED ONE-YEAR WARRANTY 1. Any part thereof which proves to be defective in material or workmanship within one year from date of original purchase for use will be replaced at the Manufacturer’s option, FOB to its factory.
  • Page 3: Table Of Contents

    Installing Your Wall Furnace ............6 Caring for Your Furnace ............24-25 Locating Wall Furnace and Thermostat ........6-7 Learn how to keep your new Williams Furnace operating. Combustion & Ventilation Air ............. 7-9 Installation Recessed Mount Installation ........10-11 Surface Mount Installation ...........
  • Page 4: Safety Rules

    Safety Rules Vent the furnace directly to the outdoors, so that harmful WARNING: Read these rules and the instructions gases will not collect inside the building. Follow the venting carefully. Failure to follow these rules and instructions for your type installation exactly. Use only the instructions could cause a malfunction of the type and size of vent pipe and fittings specified.
  • Page 5: Introduction

    Introduction – 5 Introduction The following steps are all needed for proper installation and safe operation of your furnace. If you have any doubts as to any requirements, check with local authorities. Obtain professional help where needed. All of the checks and adjustments in the Start-Up Procedures are vital to the proper and safe operation of the furnace.
  • Page 6: Installing Your Wall Furnace

    Installing Your Furnace The following steps are needed for proper installation and safe Install the furnace in accordance with local codes or operation of your furnace. If you have any doubts as to any ordinances and instructions provided. In the absence of requirements, obtain professional help.
  • Page 7: Combustion & Ventilation Air

    Installing Your Furnace Locating Wall Furnace & Thermostat (continued) Locating Wall Furnace & Thermostat (continued) The thermostat should be sensing average room temperature; After picking a location that meets the requirements, check the avoid the following: walls, attic and roof to make sure there are no obstructions such as pipes, electrical wiring, etc., which could interfere with the HOT SPOTS: COLD SPOTS:...
  • Page 8 Installing Your Furnace Combustion & Ventilation Air (continued) LOUVERS / GRILLES AND SCREENS COVERING B. Draft Hood Spills FREE AREA OPENINGS If there is spillage at a draft hood (match goes out or flame wavers away from draft hood), check for plugged flue connectors and If a screen is used to cover the opening(s), it must not be smaller chimneys.
  • Page 9 Installing Your Furnace Combustion & Ventilation Air (continued) FURNACE LOCATED IN UNCONFINED SPACE A. Air From Inside the Building An unconfined space must have a volume of a minimum 50 cubic If the confined space adjoins an unconfined space, provide two feet per 1,000 Btu/hr.
  • Page 10: Recessed Mount Installation

    Installing Your Furnace Recessed Wall Mount Installation INSTALLATION OF REAR OUTLET REGISTER On models 2509621, 2539621, 2559621, 2509622, 2539622, 2559622, 3509621, 3539621, 3559621, 3509622, 3539622, and The optional rear outlet register may be installed when the 3559622, the maximum recess depth from rear of furnace forward furnace is recessed into the wall.
  • Page 11 Installing Your Furnace Recessed Wall Mount Installation (continued) CLOSE OFF STUD SPACE (If Required) INSTALL VENT BASE PLATE (HOLD-DOWN PLATE) If studs are not on 16-inch centers, cut the hole for the furnace Position base plate on top of header plate and fasten with screws. next to an existing stud and frame in the other side using a 2x4 Note: Hold down plate is not included.
  • Page 12: Surface Mount Installation

    Installing Your Furnace Surface Mount Installation The use of the optional Free Standing Accessory No. 4901 allows Utilizing the holes provided in the furnace legs, secure the single-sided furnaces to be surface mounted instead of recessed furnace to the brackets attached to the bottom panel with two into a wall.
  • Page 13: Surface Mount Installation

    Installing Your Furnace Surface Mount Installation (continued) FIGURE B FIGURE C FIGURE D Vent Installed Front panel installed...
  • Page 14: Vent Installation

    Installing Your Furnace Vent Installation The vent installation must comply with all local codes and Figure 8 – Typical Vent Installation ordinances. If in doubt, consult your local codes or inspector. The furnace vent must be directed to the outdoors so that harmful combustion gases will not collect inside the building.
  • Page 15: Attaching Your Furnace

    Installing Your Furnace Attaching Your Furnace Attaching Your Furnace REAR OUTLET KIT INSTALLATION (OPTIONAL) Clear the wall recess of all debris, remove any wood or plaster. Stand the furnace in front of recess, holding the furnace body at an angle. Insert flue collar into the opening in the header plate If a Rear Outlet Register Accessory is used, the following and raise furnace carefully (Figure 9).
  • Page 16: Gas Supply And Piping

    Description local codes. purpose of input adjustment is 11-inches water column. The 8901 25096 Series with Williams Brand Gas Valve maximum inlet gas supply pressure is 13-inches water column. Do not thread pipe too far. Valve distortion or malfunction 8902 35096 Series with Williams Brand Gas Valve may result from excess pipe within the control.
  • Page 17 Installing Your Furnace Gas Supply and Piping (continued) GAS PIPING The gas supply line must be of adequate size to handle the Btu/hr. requirements and length of the run for the unit being installed. FIGURE 14 – Gas Piping Determine the minimum pipe size from Figure 13, based on the length of the run from the gas meter to the unit.
  • Page 18: Front Panel Installation

    Installing Your Furnace Gas Supply and Piping (continued) CHECKING THE GAS PIPING Test all piping for leaks. When checking gas piping to the furnace WARNING: Danger of property damage, bodily with gas pressure less than 1/2 PSI, shut off manual gas valve to injury or death.
  • Page 19: Thermostat Installation

    Installing Your Furnace Thermostat Installation Williams’ furnaces are operated by a millivolt type thermostat. Use the 18-gauge wire as supplied for a maximum length of Current to the thermostat is supplied by the pilot generator. Do 20-feet. If a longer length is needed, use 16-gauge wire to not connect it to electricity.
  • Page 20: Start Up Procedure

    Installing Your Furnace Start-Up Procedure CHECK THE MANIFOLD GAS PRESSURE WARNING: Danger of property damage, bodily injury or loss of life. Liquefied Petroleum (L.P.) Gas A tapped opening is provided in the gas valve to facilitate is heavier than air and may settle in any low area, measuring manifold gas pressure.
  • Page 21: Operating Your Furnace

    Operating Your Furnace Start-Up Procedure (continued) CHECK PILOT BURNER NORMAL APPEARANCE The pilot flame must surround the generator tip from 1/4 to 3/8- Natural Gas: inches. Pilot flame is preset at the factory, so ordinarily it does not Inner coneblue in color3/8 to 5/8-inches above ports. require field adjustment.
  • Page 22: Stay Safe

    Operating Your Furnace FOR YOUR SAFETY, READ BEFORE LIGHTING THE PILOT D. Do not use this appliance if any part has been under water. WARNING: If you do not follow these instructions Immediately call a qualified service technician to inspect the exactly, a fire or explosion may result causing appliance and to replace any part of the control system and property damage, personal injury or loss of life.
  • Page 23: To Turn Off Gas To Appliance

    Operating Your Furnace FOR YOUR SAFETY, READ BEFORE LIGHTING THE PILOT (continued) TO TURN OFF GAS TO APPLIANCE Set the thermostat to lowest setting. IMPORTANT: Turn off all electric power to the appliance if service is to be KEEP BURNER AND CONTROL COMPARTMENT CLEAN. performed (if applicable).
  • Page 24: How To Care For Your Furnace

    Caring for Your Furnace How to Care for Your Furnace PILOT BURNER WARNING: Danger of bodily injury or death. Turn off electric power supply at disconnect switch, fuse Using the instructions in "Lighting the Pilot”, leave thermostat at its box or service panel before removing any doors or lowest setting.
  • Page 25: Installing Your Blower Accessory

    Care – 25 Caring for Your Furnace How to Care for Your Furnace (continued) CLEANING THE BURNER COMPARTMENT DANGER: The build-up of any dust, lint or foreign Because cold air is attracted to the flame during furnace material in the primary air opening of the burner operation, a buildup of lint from carpeting, bedding, dust, etc.
  • Page 26 Installing Your Blower Accessory Blower Accessory 2901 and 2907 (continued) FIGURE A – Install Electrical Outlet FIGURE B – Install Blower Body FIGURE D – Wiring for Model 2907 FIGURE C – Wiring for Model 2901...
  • Page 27: Blower Accessory Replacement Parts

    Accessories– 27 Blower Accessory Replacement Parts...
  • Page 28 Care – 28 Blower Accessory Replacement Parts Blower Accessory 2901 and 2907 (continued) BLOWER ACCESSORY PARTS - MODEL 2901 MODEL 2901 Ref. Part Description Screw - #8Ax 3/8 (8) P013200 Blower Grille 9C99 Screw - #8Ax 3/8 (8) P093200 Screw - #10 x ½ P141000 Toggle Switch P320911A...
  • Page 29: Installing Your Motorized Rear Outlet Accessory

    Installing Your Motorized Rear Outlet Accessory Motorized Rear Outlet Register 6919 and 6920 Attach speed nuts to the outer shield (Figure B). After the WARNING: Danger of property damage, bodily injury or furnace is in position, insert the outlet register into the death.
  • Page 30 Installing Your Motorized Rear Outlet Accessory Motorized Rear Outlet Register 6919 and 6920 (continued) FIGURE C – Surfaced Mounted Installation FIGURE D – Recessed Mounted Installation FIGURE F - Wiring FIGURE E – Surface Mounted Installation...
  • Page 31: Motorized Rear Outlet Replacement Parts

    Motorized Rear Outlet Replacement Parts Motorized Rear Outlet – Models 6919 and 6920 -- and 6920...
  • Page 32: Motorized Rear Outlet Replacement Parts

    Motorized Rear Outlet Replacement Parts Motorized Rear Outlet Replacement Parts (continued) Motorized Rear Outlet Replacement Parts List – Models 6919 and 69206919 and 6920 Part Ref. Description 6919 6920 Register Assembly 9B269 PB285 Strain Relief Bushing P500185 P500185 J-Box Cover 9A427 9A427 Strain Relief Bushing...
  • Page 33: Furnace Replacement Parts

    Furnace Replacement Parts Control Assembly – 250, 350, and 500 Series...
  • Page 34 Furnace Replacement Parts Furnace Replacement Parts (continued) Cabinet and Body Parts - 250 and 350 Series...
  • Page 35: Cabinet And Body Parts/500 Series

    Furnace Replacement Parts Furnace Replacement Parts (continued) Cabinet and Body Parts – 500 Series...
  • Page 36 Furnace Replacement Parts Furnace Replacement Parts (continued) Control Assembly – 250, 350 & 500 Series 2509621 2509622 3509621 3509622 5009621 5009622 REF. DESCRIPTION 2539621 2539622 3539621 3539622 5039621 5039622 2559621 2559622 3559621 3559622 5059621 5059622 Wire Assembly (2 Required for 500 Series)
  • Page 37 Furnace Replacement Parts Furnace Replacement Parts (continued) Cabinet and Body Parts – 500 Series 5009621 5009622 REF. NO. DESCRIPTION 5039621 5039622 5059621 5059622 Face Panel (2 Required) 4915 4915 Front Heat Shield (2 Required) 9C155 9C155 Carryover Shell 9A321-1 9A321-1 Combustion Chamber (2 Required) 6914 6914...
  • Page 38: Troubleshooting Chart

    Troubleshooting Your Furnace SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION Pilot will not stay Generator producing a. Check pilot flame. It must impinge on the generator. lit after following insufficient millivolts. lighting Loose or dirty generator b. Clean and/or tighten generator connections at valve. instructions.
  • Page 39 Troubleshooting Your Furnace Troubleshooting Your Furnace (continued) SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION Pilot outage. Pilot flame may be low or Adjust pilot flame. Pilot orifice may be plugged (check for spider blowing (high). webs or other material). Drafts or drafty areas. Check for doorway and high movement areas.
  • Page 40: Service Hints

    3. PART NUMBER 4. 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. Williams Furnace Company • 250 West Laurel Street, Colton, CA 92324 ...

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