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Williams 1773512 Owner's Manual

High efficiency direct vent wall furnace
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OWNER'S MANUAL
INSTALLATION INSTRUCTIONS
HIGH EFFICIENCY DIRECT VENT
WALL FURNACE
MODEL NUMBER (natural gas)
1773512
MODEL NUMBER (propane gas)
1773511
SAVE THIS MANUAL FOR FUTURE REFERENCE.
READ THIS OWNER'S MANUAL CAREFULLY BEFORE YOU
INSTALL YOUR NEW WILLIAMS WALL FURNACE.
WARNING: This Direct Vent Wall 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 this
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
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/
17,700 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 1773512

  • Page 1 MODEL NUMBER (propane gas) 1773511 SAVE THIS MANUAL FOR FUTURE REFERENCE. READ THIS OWNER’S MANUAL CAREFULLY BEFORE YOU INSTALL YOUR NEW WILLIAMS WALL FURNACE. 17,700 BTU/hr. WARNING: This Direct Vent Wall Furnace is approved WARNING: If the information in these instructions for aftermarket manufactured home installations (once the is not followed exactly, a fire or explosion may result...

  • Page 2: Installation Record

    INSTALLATION RECORD Model No. . Serial No. Original Purchaser Address City and State Dealer Address City and State Insallation Date Name Signature (Dealer or authorized representative who certifies that this appliance is installed in accordance with Manufacturer’s instructions and local codes.) ANY WARRANTY CONSIDERATIONS ARE CONTINGENT ON INSTALLATION BY A QUALIFIED INSTALLER (CONTRACTOR).

  • Page 3: Table Of Contents

    SAFETY INFORMATION FOR USERS OF PROPANE GAS PROPANE GAS WARNING ODOR SERVICING YOUR HEATER SOME POINTS TO REMEMBER Learn how to keep your new INSTALLING YOUR FURNACE Williams Furnace operating. WALL INSTALLATION OUTSIDE LOCATION FOR VENT TERMINAL GAS CONVERSIONS GAS SUPPLY ELECTRICAL WIRING DIAGRAM...

  • Page 4: General Information And Technical Data

    GENERAL INFORMATION AND TECHNICAL DATA This furnace is design certified to ANSI Z21.86-2004 / CSA • Clothing or other flammable material should not be 2.32-2004 Gas–Fired Gravity and Fan-Type, Direct-Vent placed on or near the furnace. Wall Furnaces as a Fan-Type Direct-Vent Wall Furnace •...

  • Page 5: Some Points To Remember

    container may draw in some air through openings • Close all gas tank or cylinder supply valves. such as pilot light orifices. If this occurs, some new • propane gas is heavier than air and may settle in internal rusting could occur. If the valve is left open, low areas such as basements.

  • Page 6: Installing Your Furnace

    INSTALLING YOUR FURNACE completely removed for servicing. TECHNICAL DATA (CONTINUTED) If there is a shelf above the furnace, it must be non- mbar combustible. A minimum clearance of 4-inches NATURAL in W.C. (100 mm) is recommended between the furnace and the non-combustible shelf above it.

  • Page 7: Outside Location For Vent Terminal

    FIGURE 1 1 = FIXED CLOSED 2 = OPENABLE V = VENT TERMINAL A = AIR SUPPLY Clearance above grade, veranda, porch, deck or balcony As specified in CGA B149 installation codes (1991). 12-inches (30 cm) minimum. (3) see notes below NOTE: Local codes or regulations may require different clearances.
  • Page 8 INSTALLING YOUR FURNACE FIGURE 2 A + 33.3 mm A + 2.3 FIGURE 3 FIGURE 4 HIGH EFFICIENCY DIRECT VENT FURNACES...
  • Page 9 8. Place the adhesive spongy lining behind the unit. FIGURE 6 Figure 4 Attach the flue exhaust pipe end (diameter 1-3/8”) on the furnace male pipe connection. Figure 5 BE SURE THAT THE RUBBER SILCONE O-RING GASKET IS IN POSITION. 10.

  • Page 10: Gas Conversions

    INSTALLING YOUR FURNACE Gas Conversions 4. Check the gas pressure and settings. Converting to another gas type must be performed MINIMUM BURNER PRESSURE SETTING by a qualified service technician. If the type of the gas Set LOW burner capacity by pressing button Z2 supplied to the dwelling is not the same type as your furnace (natural or propane gas), it must be converted.
  • Page 11 The furnace and its individual shutoff valve must be be as shown in “Technical Data”. After checking the gas inlet disconnected from the gas supply piping system during pressure, disconnect the test gauge and firmly tighten the any pressure testing of that system at test pressures screw of the gauge connection, then check for gas leaks.

  • Page 12: Electrical Wiring Diagram

    ELECTRICAL WIRING DIAGRAM ELECTRICAL WIRING DIAGRAM EV, EV1 Gas Valve 1 (Safety Shutter) Vanne Gas 1 (Securite’) Hi-Lo Flame Operator Operateur Haute-Basse Flamme Fan Motor Moteur du Ventilateur Overheat Thermostat Thermostat de Surchauffe Fan Thermostat Thermostat de Ventilation Mains Fuse – 5x20 size – 4A Pressostat de Circuit De Combustion Flame Sensor Electrode de Detection de Flamme...

  • Page 13: Operating Instructions

    OPERATING INSTRUCTIONS Before operating the furnace, read carefully all warnings and safety information in this manual. Make sure the attached lighting instructions tag hangs outside the unit after lighting the pilot. FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 14 OPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE Set the thermostat to the lowest setting by turning it counterclockwise completely. Do not force. 2. Turn off all electric power to the appliance if service is to be performed. 3. Turn the gas tap installed on the gas supply to the CLOSED position. WHAT TO DO IF THE RED LAMP IS LIT This appliance has an electronic flame supervision device.

  • Page 15: Servicing Yur Heater

    SERVICING YOUR HEATER All servicing activities must be performed by a qualified Reinstall the vent cap on the flue pipe. Do not use glue or service technician or a service agency. The home owner may sealants. Tighten the three outer screws. not service the furnace.

  • Page 16: Annual Maintenance Requirements

    ANNUAL MAINTENANCE REQUIREMENTS 1. Clean fan blades. 6. Check for gas leaks on all connections. 7. Check and adjust gas pressure. 2. Clean air blower. Gas inlet pressure (pipeline) Gas manifold pressure (burner) 3. Check and clean silicone red pipes. 4.

  • Page 17: Programmable Timer

    PROGRAMMABLE TIMER The programmable timer allows precise operating and FIGURE 10 timing control and is standard on this furnace. Figure 10 OVERVIEW The programmable timer has the following features: • Long life lithium battery • Daily and weekly programs • One minute minimum switching time •...
  • Page 18 PROGRAMMABLE TIMER Setting and Adjustment 1 2 3 4 5 6 7  0:00 INITIAL CONDITIONS Set the Setting/Regulator switch Figure 10-B in RUN position (centre). Press the Reset button R. The 1 2 3 4 5 6 7  display will flash.
  • Page 19 PROGRAMMING THE TIMER Sixteen settings may be programmed on the timer. Eight odd numbers (1-3-5-7-9-11-13-15) for the ON position and eight even numbers (2-4-6-8-10-12-14-16) for the OFF position. Program numbers are to the left of the 1 2 3 4 5 6 7 ☼...
  • Page 20 PROGRAMMABLE TIMER B. Simultaneously press the Program Selector P Figure 10-C and SKIP button X Figure 10-G for at least 2 seconds. The selected program will be cancelled. C. Verification that program has been cancelled is the continual blinking of 0:00. CANCELLING OF ALL PRESET PROGRAMS To cancel all the preset programs, press the Reset button, R, for at least 2 seconds.

  • Page 21: Troubleshooting

    TROUBLESHOOTING STARTING SEQUENCE ELECTRICAL STEP 1 1. Check L1 – L2 (Supply 120 V, 60 Hz) 2. Check M9 (Main fuse) TROUBLESHOOTING STEP 1 POINT 1 (L1-L2) No voltage (120 V). Check the electrical supply line, wiring and connections. POINT 2 (M9) Fuse damaged.
  • Page 22 TROUBLESHOOTING TROUBLESHOOTING STEP 3 POINT 5 Z1 Z1 is open and no ignition. Check wiring and connections. If everything is okay, replace the switch. POINT 7 M2 M2 is closed and fan thermostat temperature is lower than 104 °F. Check wiring and connections. If they are okay, replace the thermostat.
  • Page 23 POINT 13 TR No inlet voltage (120 V). Check 5 pole connector and control box. If everything is okay, first replace the connector and then the control box if problem remains. No outlet voltage (24 V) during ignition. Check wiring and connections. If everything is okay, replace the transformer.

  • Page 24: Furnace Accessory Replacement Parts For 177 Models

    FURNACE ACCESSORY REPLACEMENT PARTS FOR 177 MODELS MODEL NUMBERS 1773512 1773511 REF. REPLACEMENT PART DESCRIPTION PART NUMBER TR 120/24 Transformer P332523 Ignition Control Box P332503 NP Pressure Switch P332516 Z9 Room Thermostat P332564 Z1 Reset and summer/Winter Switch P332571 Z8 - Z3 Timer and Manual Program Mode Switch...
  • Page 25 REPLACEMENT PARTS GAS ASSEMBLY ELECTRIC BOX HIGH EFFICIENCY DIRECT VENT FURNACES...

  • Page 26: Service Record

    SERVICE RECORD DATE MAINTENANCE PERFORMED COMPONENTS REQUIRED HIGH EFFICIENCY DIRECT VENT FURNACES...
  • Page 27 HIGH EFFICIENCY DIRECT VENT FURNACES...
  • Page 28 www.williamscomfortprod.com | 888-444-1212 | 250 West Laurel Street, Colton CA 92324 USA Subject to change without notice | © 2021 17735_RV 03/21...

This manual is also suitable for:

1773511

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