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OWNER'S MANUAL
INSTALLATION INSTRUCTIONS
AC2030T / AC3040T
TOP VENT GAS WALL HEATER
SINGLE SIDED MODEL NUMBERS:
AC2030TN (natural gas)
AC2030TP (propane gas)
DOUBLE SIDED MODEL NUMBERS:
AC3040TN (natural gas)
AC3040TP (propane gas)
SAVE THIS MANUAL FOR FUTURE REFERENCE.
READ THIS OWNER'S MANUAL CAREFULLY BEFORE YOU
INSTALL YOUR NEW WILLIAMS WALL FURNACE.
WARNING: INSTALLATION IN MANUFACTURED
HOMES Williams Top-Vent Furnaces are allowed in
manufactured homes when the following conditions are met:
- The manufactured home is permanently sited per local codes.
- The manufactured home is manufactured after
6/15/1976 and is HUD approved with a red certification
label (US only). These models are allowed only in
the USA. This applies to aftermarket manufactured
home installations where the home is sold, installed
and permanently sited. Not for manufactured home
manufacturing factory installation These units may not be
installed 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,
service agency or the gas supplier.
250 West Laurel Street, Colton CA 92324 • WWW.WFC-FC.COM • 1-888-444-1212
TM
20,000 - 30,000
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.
30,000 - 40,000
BTU/hr.
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Related Manuals for Williams AC2030T
Summary of Contents for Williams AC2030T
- Page 1 30,000 - 40,000 WARNING: INSTALLATION IN MANUFACTURED BTU/hr. BTU/hr. HOMES Williams Top-Vent Furnaces are allowed in manufactured homes when the following conditions are met: - The manufactured home is permanently sited per local codes. WARNING: If the information in these instructions...
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Page 2: Your Williams Warranty
WARRANTY The manufacturer, Williams Furnace Co., warrants this wall furnace This warranty does not include any charge for labor or or heater to the original purchaser under the following conditions: installation. LIMITED ONE-YEAR WARRANTY This warranty does not extend to painted surfaces or to damage... -
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, and Vent Installation are SAFETY RULES explained starting on page 8. INTRODUCTION OPERATING YOUR FURNACE BASIC MATERIALS NEEDED Igniting your furnace for the first time. -
Page 4: Safety Rules
SAFETY RULES Provide for adequate combustion and ventilation air. See WARNING: Read these rules and the instructions page 7. The flow of this air to the furnace must not be blocked. carefully. Failure to follow these rules and instructions could cause a malfunction of the furnace. This could 10. -
Page 5: Introduction
INTRODUCTION The following steps are all needed for proper installation Propane or from Propane to natural gas without the proper and safe operation of your furnace. If you have any doubts manufacturer’s gas conversion kit. as to any requirements, check with local authorities. Obtain Combustion air is drawn in from the room where the professional help where needed. -
Page 6: Basic Materials Needed
Hand drill or properly grounded electric drill Expansion bit 1/2” to 1-5/8” or 1/2” and 1-1/2” blade bits Free Standing Accessory 4901 (AC2030T Only) 1/8” and 3/16” drill bit (metal) This accessory allows the furnace to be mounted on the ... -
Page 7: Installing Your Wall Furnace
INSTALLING YOUR FURNACE Locate the furnace near the center of the space to be The following steps are needed for proper installation and heated for good air circulation. Do not put it behind a safe operation of your furnace. If you have any doubts as to door or draperies. -
Page 8: Combustion & Ventilation Air
INSTALLING YOUR FURNACE After picking a location that meets the requirements, check After it has been determined that each appliance the walls, attic and roof to make sure there are no obstructions connected to the venting system properly vents when such as pipes, electrical wiring, etc., which could interfere with tested as outlined above, return doors, windows, exhaust the installation of the furnace or vent pipe. - Page 9 If the furnace is installed in an area with another gas B. Draft Hood Spills If there is spillage at a draft hood appliance(s), the total input rating of all appliances must be (match goes out or flame wavers away from draft hood), considered when determining the free area requirements check for plugged flue connectors and chimneys.
- Page 10 INSTALLING YOUR FURNACE HOLE PLACEMENT - EXAMPLE EXAMPLES OF GRILL PLACEMENT HOLES FROM VENTILATED VENTILATION GRILLES CONNECTING TWO ATTIC INTO STUD SPACE ROOMS TO MEET UNCONFINED SPACE 100 SQ IN VENTILATION 200 SQ IN MINIMUM GRILLES BETWEEN INTO CLOSET LARGE FOR HOT ROOMS WATER...
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Page 11: Recessed Mount Installation
before you install the furnace. See instructions packed WARNING: Danger of illness, bodily injury or death. with accessory and Figure 5. Draft hood spillage, with unobstructed vents, indicates Do not allow wall finish material to project into the that additional air must be brought into the structure furnace recess. - Page 12 INSTALLING YOUR FURNACE CLOSE OFF STUD SPACE (IF REQUIRED) INSTALL CEILING PLATE SPACER Nail the ceiling plate spacers either across or in between If studs are not on 16-inch centers, cut the hole for the the cut out section of ceiling plate. If nailed between, ends furnace next to an existing stud and frame in the other side using a 2x4 and spacer blocks as required.
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Page 13: Surface Mount Installation
Surface Mount Installation Installation, page 14. The use of the optional Free Standing Accessory No. Set the furnace body into position. (Figure 9), page 15. 4901 allows single-sided furnaces to be surface mounted The furnace legs will rest on the bottom of the base instead of recessed into a wall. - Page 14 INSTALLING YOUR FURNACE FIGURE B FIGURE C STUD WALL STUD WALL 3 - 1/2ʺ 4 - 7/16ʺ CENTERED 14ʺ 16ʺ FIGURE D CEILING PLATE SPACER STUD WALL STUD WALL GAS STUB LOCATIONS PLUMBERS TAPE VENT INSTALLED B-W VENT PIPING FRONT PANEL INSTALLED VENT HOLD DOWN PLATE...
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Page 15: Vent Installation
Vent Installation FIGURE 8 – TYPICAL VENT INSTALLATION The vent installation must comply with all local codes and ordinances. If in doubt, consult your local codes or inspector. VENT CAP MUST BE MINIMUM 2 FEET The furnace vent must be directed to the outdoors so that HIGHER THAN ANY POINT WITHIN harmful combustion gases will not collect inside the building. -
Page 16: Attaching Your Furnace
If an existing gas line is preventing the installation of a Swing the plate outward; bend it back and forth to Williams Monterey unit, a cut-out may be made using tin break the top tabs. Use caution when handling sharp snips on one of the legs to clear this existing gas line. -
Page 17: Gas Supply And Piping
Attaching Your Furnace continued ORIFICE SIZES After furnace is in position, install rear outlet register as shown The efficiency rating of this appliance is a product Annual in Figure 12. Have damper in open position when inserting Fuel Utilization Efficiency rating determined under the assembly. - Page 18 INSTALLING YOUR FURNACE GAS CONNECTION WARNING: Danger of property damage, bodily injury Use two pipe wrenches when making the connection to the or death. Never use a match or open flame to test for valve to prevent turning and/or damage to the valve. leaks.
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Page 19: Front Panel Installation
Front Panel Installation Thermostat Installation Use the thermostat supplied with the unit. Place the front panel top over the channel on the header plate, as shown in Figure 16. Press the panel tight against Use cable supplied with the unit. wall, and secure it to the header channel with the screw If a new location is chosen or if this is a new installation, provided in final assembly package. -
Page 20: Start Up Procedure
START-UP PROCEDURE Check the furnace operation as outlined in the following combustion chamber. Before starting natural gas input instructions. If any sparking, odors or unusual noises check, obtain the heating value of gas (BTU per cubic foot) are encountered, shut off electric power immediately. at standard conditions from your local gas supplier. -
Page 21: Stay Safe
NORMAL APPEARANCE FOR YOUR SAFETY READ BEFORE LIGHTING NATURAL GAS: WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS Blue Colored Flame with scattered yellow dots EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING Flame would rise approximately 1/2 inch - 3/4 inch above PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE. -
Page 22: How To Care For Your Furnace
CARING FOR YOUR FURNACE How To Care For Your Furnace DANGER: The build-up of any dust, lint or foreign WARNING: Danger of bodily injury or death. Turn material in the combustion fan filter can interfere with off electric power supply at disconnect switch, fuse box the proper air gas mixture and can result in a yellow or service panel before removing any doors or access flame which can produce carbon monoxide and soot. -
Page 23: Installing Your Motorized Rear Outlet Accessory
INSTALLING YOUR MOTORIZED REAR OUTLET ACCESSORY Motorized Rear Outlet Register 6920 LOCATION WARNING This register must be centered between studs and aligned with the furnace for proper engagement. Make sure the furnace is centered between the same studs before you cut any wall openings for the register. - Page 24 INSTALLING YOUR MOTORIZED REAR OUTLET ACCESSORY FIGURE A – RECESSED & SURFACE INSTALLATION FIGURE C – SURFACED MOUNTED INSTALLATION ACCESSORY SIDE REGISTER OPENING SIZE ASSEMBLY FURNACE 8 1/4ʺ X 13 3/8ʺ SHEILDS HEAT SENSOR SWITCH BLOWER AND 45ʺ MOTOR FLOOR PLATE FIGURE B –...
- Page 25 FIGURE E – SURFACED MOUNTED INSTALLATION FIGURE F – WIRING SURFACE MOUNTED FURNACE SWITCH LEGEND 1 - ON 2 - OFF 3 - AUTO SPEED NUT (4) SUPPORT SWITCH BRACKET BLOWER 2 X 4 MOTOR STUD HEAT SENSOR SWITCH DRY WALL SCREW #10 -24 X 4.50 PHIL HD 115V 60Hz REGISTER...
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Page 26: Motorized Rear Outlet Replacement Parts
MOTORIZED REAR OUTLET REPLACEMENT PARTS Motorized Rear Outlet – Model 6920 10 10 11 11 AC2030 / AC3040 TOP VENT GAS WALL HEATER... - Page 27 Motorized Rear Outlet Replacement Parts List – Model 6920 Part Number Reference Number Description 6920 Register Assembly 9B285 Strain Relief Bushing P500185 J-Box Cover 9A427 Strain Relief Brushing P603108 Heat Sensor Switch P323172 Fan Switch P323080 Motor and Blower P323423 Motor Cover 9A462 Motor Housing Back Plate...
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Page 28: Furnace Replacement Parts - Single Sided
FURNACE REPLACEMENT PARTS Replacement Parts - SINGLE SIDED Monday, 20 Jan 4h Hold 08:32 AM NOT HEATING AC2030 / AC3040 TOP VENT GAS WALL HEATER... - Page 29 KIT NUMBER KIT NUMBER DRAWING DESCRIPTION REF NO. AC2030TN AC2030TP not shown – M117854 CONVERSION KIT PROPANE TO NATURAL GAS not shown M117853 – CONVERSION KIT NATURAL GAS TO PROPANE PART NUMBER PART NUMBER DRAWING DESCRIPTION REF NO. AC2030TN AC2030TP P323834 P323834 VENT LIMIT SWITCH...
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Page 30: Furnace Replacement Parts - Double Sided
FURNACE REPLACEMENT PARTS Replacement Parts - DOUBLE SIDED Monday, 20 Jan 4h Hold 08:32 AM NOT HEATING AC2030 / AC3040 TOP VENT GAS WALL HEATER... - Page 31 KIT NUMBER KIT NUMBER DRAWING DESCRIPTION REF NO. AC3040TN AC3040TP not shown M117881 M117881 CONVERSION KIT PROPANE TO NATURAL GAS not shown M117880 M117880 CONVERSION KIT NATURAL GAS TO PROPANE PART NUMBER PART NUMBER DRAWING DESCRIPTION REF NO. AC3040TN AC3040TP 4915 4915 FRONT PANEL...
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Page 32: Wiring Diagram
WIRING DIAGRAM FAN 1 01 - GND GR 02 - 12 VDC OG OUTLET 03 - TACH WH MOTOR FAN 1 01 - GND BK 02 - 12 VDC RD INLET 03 - TACH YL MOTOR 04 - PWM BR 01 - GND BK FAN 1 02 - 12 VDC RD... -
Page 33: Service Hints
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. AC2030 / AC3040 TOP VENT GAS WALL HEATER... -
Page 34: Troubleshooting Chart
TROUBLESHOOTING YOUR FURNACE CORRECTIVE ACTION ISSUE POSSIBLE CAUSE(S) Check power cord connection Furnace won’t turn on AC power is not connected Control module power ON Control module power button is set to OFF Thermostat is set to OFF Turn thermostat to ON D. - Page 35 ISSUE POSSIBLE CAUSE(S) CORRECTIVE ACTION Furnace not producing Furnace may be too small Check heat sizing calculations. sufficient heating. for space being heated Thermostat lead wires may be shorted Thermostat wiring defective. Furnace operates but will together, caused by a nail or staple. Check not shut off when room by removing thermostat leads from temperature is attained.
- Page 36 www.williamscomfortprod.com | 888-444-1212 | 250 West Laurel Street, Colton CA 92324 USA Subject to change without notice | © 2021 P323738_RV 01/21...