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OWNER’S MANUAL

MODEL NUMBERS:

AC2030TN

 FOR USE WITH NATURAL GAS ONLY

READ THIS OWNER’S MANUAL CAREFULLY BEFORE 

YOU INSTALL YOUR NEW WILLIAMS 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.
 

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.

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.

WWW.WFC-FC.COM  •  888-444-1212  

20,000 - 30,000 BTU/hr. Model

AC2030 

TOP-VENT GAS WALL HEATER

Save this manual for future reference

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

Содержание AC2030

Страница 1: ...vice 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 WWW WFC FC COM 888 444 1212 20 000 30 000 BTU hr Model AC2030 TOP VENT GAS WALL HEATER Save this manual for future reference WARNING INSTALLATION IN MANUFACTURED HOMES Williams Top Vent Furnaces are allowed in man...

Страница 2: ...asts and some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you 2 This warranty does not include any charge for labor or installation 3 This warranty does not extend to painted surfaces or to damage or defects resulting from accident alteration misuses or abuse or improper installation 4 This warranty ...

Страница 3: ...ping 16 18 FrontPanelInstallation 18 ThermostatInstallation 18 Start Up Procedure 19 Stay Safe 20 Operating Your Furnace 21 How to Care for Your Furnace 21 Installing Your Motorized Rear Outlet Accessory 22 Motorized Rear Outlet Replacement Parts 25 Furnace Replacement Parts 26 Wiring Diagram 28 TroubleshootingChart 29 ServiceHints 30 Quick Reference Here s how to Installing Your Furnace 10 Recess...

Страница 4: ... appliance to avoid property damage bodily injury or death 8 Vent the furnace directly to the outdoors so that harmful gases will not collect inside the building Follow the venting instructions for your type installation exactly Use only the type and size of vent pipe and fittings specified 9 Provide for adequate combustion and ventilation air See page7 Theflowofthisairtothefurnacemustnotbeblocked...

Страница 5: ...g determined under continuous operating conditions and was determined independent of any installed system The furnace will not function unless the venting system is installed Basic Materials Needed Pipe and fittings to make gas connections to the furnace Vertical venting materials See page 14 Figure 8 Pipe Joint Compound resistant to L P Gases Electrical wiring supplies as needed Minimum wire size...

Страница 6: ...rniture or cabinets 2 Check the minimum spacing needs as shown in Figure 1 3 The top of the furnace must be at least 16 inches from the ceiling 4 When the furnace is properly installed with legs resting on the floor plate it sets the dimension from the face panel to the bare floor Approximately 2 inches depending on the thickness of floor plate 5 A protective barrier metal or wood cut to match the...

Страница 7: ...e return doors windows exhaust fans fireplace dampers and any other gashed burning appliance to their previous conditions of use WARNING Danger of property damage bodily injury or loss of life The furnace and any other fuel burning appliances must be provided with enough fresh air for proper combustion and ventilation of flue gases Most homes will require that outside air be supplied into the heat...

Страница 8: ...xhausting devices i e kitchen and bathroom exhaust fans water heaters gas and electric 3 Turn on all vented gas appliances i e heating equipment includes any room heaters water heaters 4 Wait ten 10 minutes for drafts to settle 5 Check for draft hood spillage at each appliance Hold a lit match two inches from the draft opening Figure 2 A No Spillage If the match flame pulls toward draft hood this ...

Страница 9: ...utdoors or spaces open to the outdoors such as an attic or crawl spaces Openings for inlet or outlet air should NOT be made into an attic area if the attic is equipped with a thermostat controlled power vent Provide two permanent openings one within 12 inches of the top and bottom of the room connecting directly to or by using ducts with the outdoors or areas open to fresh air If the opening conne...

Страница 10: ...ction install the rear outlet plaster ground at the same time you install the header plate For existing construction make the necessary CHIMNEY OR GAS VENT VENTILATED ATTIC OUTLET AIR OUTLET AIR INLET AIR INLET AIR VENTILATED CRAWL SPACE 10 CRAWL SPACE WALL FURN TO ATTIC 12 OPTIONAL INLET AIR 1 SO INCH PER 4 000 BTUH 100 SQ INCHES EACH 1 SQ INCH PER 4 000 BTUH MAX 12 2ʺ x 4ʺ STUDS TOP OF HEATER FI...

Страница 11: ...distance Figure 5 Place the header plate between the studs with the lower edges even with marks on the studs Make sure header plate is level Locate rear edge of nailing tabs at back of the header Nail header plate to the 2x4 studs which will center the vent collar in the wall Figure 5 Install ceiling plate spacer Nail the ceiling plate spacers either across or in between the cut out section of cei...

Страница 12: ...side rails using four 4 8 screws Flanges of the header plate go against the wall Figure A 3 Install extension side rails as shown in Figure A by telescoping them inside the lower side rails Adjust the extension side rails by sliding them up or down to ceiling height Maximum 8 feet 9 inches Minimum 7 feet 9 inches 4 If the wall has a baseboard cut the baseboard out to fit against the side rails Sta...

Страница 13: ...nstalled Front panel installed STUD WALL CENTERED 14ʺ 3 1 2ʺ STUD WALL GAS STUB LOCATIONS STUD WALL STUD WALL 16ʺ 4 7 16ʺ A PLUMBERS TAPE B W VENT PIPING CEILING PLATE SPACER VENT HOLD DOWN PLATE HEADER FURNACE SIDE RAIL BASE PLATE PANEL ...

Страница 14: ...vent shall extend from the header plate of the furnace to a point above the highest ceiling plate within the stud space through which the vent passes without any offsets or crossovers The first vent pipe offset if required may not be any closer than 2 feet from the header and needs to extend past the ceiling plate After a type B W gas vent passes through the highest ceiling plate within a stud spa...

Страница 15: ...GURE 9 Insert Furnace FIGURE 10 Nail Placement FIGURE 11 Remove Knockout Plates Rear outlet kit installation optional If a Rear Outlet Register Accessory is used the following procedure must be completed before placing furnace body into wall recess Figure 11 Attach speed nuts to outer shield and remove knockout plates from both the outer and inner shields as follows 1 Punch in the lower corners wi...

Страница 16: ...al codes and ordinances or with the National Fuel Gas Code ANSI Z223 1 NFPA No 54 whichever applies In Canada CAN C GA B149 Refer to FIGURE 14 for the general layout of the unit It shows the basic fittings needed The following rules apply 1 Use new properly reamed steel or black iron pipe and fittings free of metal chips and debris that are approved by local codes Metal chips and debris can damage...

Страница 17: ...UPPLY TUBING GAS SUPPLY CAUTION Shut off the main gas supply before removing the end cap to prevent gas from filling the work area Test for gas leakage when installation is complete 2 CAUTION All bends in metal tubing must be smooth 1 2 CAP 2 CAP WARNING Danger of property damage bodily injury or death Never use a match or open flame to test for leaks Never exceed specified pressures for testing H...

Страница 18: ...the thermostat location Pull the nail out and push a small stiff wire through the hole so it can be found in the attic Drill a inch hole through the ceiling wall plate 4 Probe for obstructions in the partition Then drill a inch to 1 inch hole through the wall at the selected location for the thermostat 5 From the attic feed the thermostat cable through the wall until even with the thermostat locat...

Страница 19: ...water column should be used for this measurement The manifold pressure must be measured with the burner and pilot operating Any major changes in the flow must be made by changing the size of the burner orifice Check the gas input natural gas only Under firing could cause inadequate heat excessive condensation or ignition problems Over firing could cause shooting flame impingement or overheating of...

Страница 20: ... Do not try to light any appliance Do not touch any electrical switch Do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you can not reach your gas supplier call the fire department B Use only the thermostat and power ON OFF switch on the control unit at the bottom of the furnace to turn the gas control on off ...

Страница 21: ...ISE OR FLASH BACK WHEN THE COMBUSTION IS INITIATED IF IT DOES CONTACT THE REPRESENTATIVE CARING FOR YOUR FURNACE How To Care For Your Furnace WARNING Danger of bodily injury or death Turn off electric power supply at disconnect switch fuse box or service panel before removing any doors or access service panels from unit Annual upkeep needed It is recommended that a qualified service technician per...

Страница 22: ...ster 6919 6920 This Rear Outlet Register directs some of the heated air into the room opposite the one in which the furnace is installed Read these instructions carefully and familiarize yourself with the installation before you begin Use gloves to protect your hands from sharp metal edges Blower settings You must select ON for continuous blower operation or AUTO for automatic setting If the blowe...

Страница 23: ...igures C D and E Install machine screws through the register housing and into the speed nut clips on the furnace outer shield Do not over tighten the screws 5 After the register has been either wired Figure F or plugged in set the fan switch to the desired blower operation CAUTION Do not install this kit where the outlet grille may be blocked or covered by a door curtains or any other obstructions...

Страница 24: ...115V 60Hz HOT NEUT GND BL HEAT SENSOR SWITCH BLOWER MOTOR GND FAN SWITCH BK W BK R 1 2 3 R LEGEND high voltage field high voltage factory wire connector for line voltage factory wiring 1 4 quick connect terminals for factory wiring connections BK BLACK BL BLUE W WSHITE R RED G GREEN NOTES 1 Motor is thermally protected 2 If any of the original wire as supplied with the appliance must be replaced i...

Страница 25: ...ushing 6919 9B269 P500185 9A427 P603108 P323172 P323080 P323423 9A435 9B266 P323081 P323084 6920 9B285 P500185 9A427 P603108 P323172 P323080 P323423 9A462 9B284 P323081 P323084 Part Number Motorized Rear Outlet Replacement Parts List Models 6919 and 6920 Use only manufacturer s authorized parts NOTE Nuts bolts screws and washers are standard hardware items and may be purchased locally MOTORIZED RE...

Страница 26: ...26 FURNACE REPLACEMENT PARTS Replacement Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 23 22 21 68 Monday 20 Jan 08 32 AM 4h Hold NOT HEATING 24 ...

Страница 27: ...17149 CONTROL BOARD 10 9C167 FRONT PANEL 11 M117435 VENT SAFETY SWITCH 12 M117283 HEADER ASSEMBLY 13 M117345 DRAFT HOOD ASSEMBLY 14 M117285 HEAT EXCHANGER TUBE ASSEMBLY 15 M116865 SHIELD ASSEMBLY 16 M117148 IGNITION MODULE 17 P323777 ORIFICE 18 323732 COMBUSTION FAN 19 323806 PRESSURE SENSOR 20 P323790 MANIFOLD ASSEMBLY 21 P323822 STEPPER GAS VALVE 22 M117162 ELECTRONIC HEAT SHIELD 23 M117501 M117...

Страница 28: ... 1 SOLENOID VALVE 2 LMT SW GND 12 VL TH X1 HI LIMIT DRAFT HOOD TD HI LIMIT CIRC FAN TD GND VALV MV GND HSI GND X2 TH X1 SENS HSI 12VL SENSE PK HSI BL 12 VL IGN BRD TH X1 OG GND IGN CTRL GR HSI BL MV RD GND BK VALV TH X1 YL TH X1 RD 12 VL CTRL BRD BK GND CTRL BRD GR GND CHASSIS T STAT RJ45 TEG 1 TEG 2 NC NC THERMOSTAT DC 12 6 V 5 A MICRO USB AC DC POWER SUPPLY 01 GND GR 02 12 VDC OG 03 TACH WH 01 G...

Страница 29: ...Flame sensor defective F Exhaust vent is blocked CORRECTIVE ACTION A Check power cord connection B Control module power ON C Turn thermostat to ON D Connect thermostat cable A Verify exhaust vent is installed per instructions B turn on gas supply C Verify nothing is blocking the front panel check circulation fan operation D Replace igniter E Increase Set Point Temperature F Check clean or replace ...

Страница 30: ...tat location C Defective thermostat CORRECTIVE ACTION A Check heat sizing calculations A Thermostat lead wires may be shorted together caused by a nail or staple Check by removing thermostat leads from valve terminals B Check thermostat location If on an outside wall or there is a hole in the wall behind the thermostat cold air may be coming in contact with the thermostat Relocate C Check thermost...

Страница 31: ...the following Information 1 MODEL NUMBER 2 MFG DATE CODE 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 What to do if you smell gas Open all of the windows Do not try to light any appliance Do not touch any electrical switch D...

Страница 32: ...www wfc fc com 888 444 1212 P323738_06 20 ALL RIGHTS RESERVED ...

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