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Haier GE NF80DS Installation Instructions Manual
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Haier GE NF80DS Installation Instructions Manual

Haier GE NF80DS Installation Instructions Manual

Warm air gas furnace
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INSTALLATION INSTRUCTIONS
NF80DS
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to
the potential for personal injury or death.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
As with any mechanical equipment, personal injury can
result from contact with sharp sheet metal edges. Be
careful when you handle this equipment.
GE Appliances
A Haier Company
Appliance Park
Louisville, KY 40225
507332-02G / 31-5000663
This manual must be left with the homeowner for future reference.
WARNING
CAUTION

Table of Contents

Unit Dimensions ..........................................................2
Parts Arrangement.......................................................3
Gas Furnace ................................................................4
Shipping and Packing List ...........................................4
Safety Information .......................................................4
General ........................................................................6
Combustion, Dilution & Ventilation Air .........................6
Setting Equipment .......................................................8
Filters .........................................................................11
Duct System ..............................................................11
Gas Piping .................................................................19
Electrical ....................................................................21
Unit Start-Up ..............................................................26
Blower Performance ..................................................30
Service.......................................................................32
Planned Service ........................................................34
Repair Parts List ........................................................34
*P507332-02G*
Issue 2209
Warm Air Gas Furnace
Downflow Air Discharge
(P) 507332-02G
Page 1 of 35

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  • Page 1: Table Of Contents

    Planned Service ............34 result from contact with sharp sheet metal edges. Be Repair Parts List ............34 careful when you handle this equipment. GE Appliances *P507332-02G* A Haier Company Appliance Park (P) 507332-02G Louisville, KY 40225 507332-02G / 31-5000663 Issue 2209...

  • Page 2: Unit Dimensions

    Unit Dimensions 3-1/8 9/16 (79) (14) RETURN AIR OPENING FLUE OUTLET 19-7/16 9/16 (Top) (494) (14) 9/16 (14) TOP VIEW 27-3/4 3/4 (19) (705) Front Panel 19-7/16 9/16 9/16 (494) (14) (14) AIR FLOW ELECTRICAL INLET (Either Side) 5-3/8 (137) Right GAS PIPING INLET 2-3/16 (56) Left (Either Side)

  • Page 3: Parts Arrangement

    Parts Arrangement Secondary Limit Blower Assembly Flue Chase Control Box (includes integrated control, interlock switch and transformer) Blower Access Panel Heat Exchanger Combustion Air Inducer Primary Limit (under combustion air inducer) Gas Valve Burner Box (includes sensor, ignitor Heating Compartment and rollout switches) Access Panel Figure 1.

  • Page 4: Gas Furnace

    Gas Furnace Safety Information The NF80DS gas furnace is shipped ready for installation in the downflow position. WARNING The furnace is equipped for installation in natural gas DANGER OF EXPLOSION! applications. A conversion kit (ordered separately) is There are circumstances in which odorant used with required for use in propane/LP gas applications.
  • Page 5 Temperature Rise This furnace may be installed in alcoves, closets, attics, basements, garages, and utility rooms in the upflow or NOTE: Furnace must be adjusted to obtain a temperature horizontal position. rise within the range specified on the unit nameplate. Failure to do so may cause erratic limit operation and may This furnace design has not been certified for installation in result in premature heat exchanger failure.

  • Page 6: General

    ALL LIABILITY IN CONNECTION WITH INSTALLER’S in the furnace vent pipe or chimney. As a result, combustion FAILURE TO FOLLOW THE ABOVE INSTALLATION gases enter the living space creating a potentially INSTRUCTIONS. dangerous situation. NOTWITHSTANDING THE FOREGOING, INSTALLER In the absence of local codes concerning air for combustion IS RESPONSIBLE FOR CONFIRMING THAT THE USE and ventilation, use the guidelines and procedures in this OF CONSTRUCTION HEAT IS CONSISTENT WITH...
  • Page 7 In addition to providing combustion air, fresh outdoor air dilutes contaminants in the indoor air. These contaminants may include bleaches, adhesives, detergents, solvents and other contaminants which can corrode furnace components. The requirements for providing air for combustion and ventilation depend largely on whether the furnace is installed in an unconfined or a confined space.

  • Page 8: Setting Equipment

    will have 20 to 25 percent free area and metal louvers and grilles will have 60 to 75 percent free area. Louvers and grilles must be fixed in the open position or interlocked with the equipment so that they are opened automatically during equipment operation.
  • Page 9 Units with 1/2 HP & 3/4 HP Blower Motor Figure 9. Figure 7. Return Air Return air must be brought in through the top of the furnace Downflow Applications installed in an downflow application. Allow for clearances to combustible materials as indicated on the unit nameplate.
  • Page 10 Front to Rear Side to Side Cabinet Width A (14-1/2”) 13-1/4 B (17-1/2”) 19-3/4 16-3/4 C (21”) 19-3/4 NOTE: Floor opening dimensions listed are 1/4 in. (6 mm) larger than the unit opening. See dimension drawing on Page Table 1. Non-Combustible Floor Opening Size Figure 11.

  • Page 11: Filters

    Filters This unit is not equipped with a filter or rack. A field provided high velocity filter is required for the unit to operate properly. A filter must be in place any time the unit is operating. Duct System Use industry approved standards (such as those published by Air Conditioning Contractors of America or American Society of Heating, Refrigerating and Air Conditioning Engineers) to size and install the supply and return air duct...
  • Page 12 one self drilling screw through the front and one through each side of the vent pipe and collar. See Figure 15. IMPORTANT Install the first vent connector elbow at a minimum of six The unit will not vent properly with the flue transition inches (152 mm) from the furnace vent outlet.
  • Page 13 existing lined masonry chimney if the following conditions are met: IMPORTANT • The chimney is currently serving at least one drafthood SINGLE appliance venting of a fan assisted furnace into equipped appliance. a tile lined masonry chimney (interior or outside wall) is •...
  • Page 14 In no case should the vent or vent connector diameter 10. The vent pipe should be as short as possible with be less than the diameter specified in the provided the least number of elbows and angles required to venting tables. complete the job.
  • Page 15 Capacity of Type B Double Wall Vents with Type B Double Wall Connectors Serving a Single Category I Appliance Vent and Connector Diameter - D (inches) Height Lateral 3 inch 4 inch 5 inch 6 inch Appliance Input Rating in Thousands of Btu per Hour (feet) (feet) NOTE: Single appliance venting configurations with zero lateral lengths are assumed to have no elbows in the vent system.
  • Page 16 Capacity of Type B Double Wall Vents with Single Wall Metal Connectors Serving a Single Category I Appliance Vent and Connector Diameter - D (inches) Height Lateral 3 inch 4 inch 5 inch 6 inch Appliance Input Rating in Thousands of Btu per Hour (feet) (feet) NOTE: Single appliance venting configurations with zero lateral lengths are assumed to have no elbows in the vent system.
  • Page 17 Vent Connector Capacity Type B Double Wall Vents with Type B Double Wall Connectors Serving Two or More Category I Appliances Vent and Connector Diameter - D (inches) Vent Connector 3 inch 4 inch 5 inch 6 inch Height Rise Appliance Input Rating in Thousands of Btu per Hour (feet) (feet)
  • Page 18 Vent Connector Capacity Type B Double Wall Vents with Single Wall Metal Connectors Serving Two or More Category I Appliances Vent and Connector Diameter - D (inches) Vent Connector 3 inch 4 inch 5 inch 6 inch Height Rise Appliance Input Rating in Thousands of Btu per Hour (feet) (feet) NOTE: Single appliance venting configurations with zero lateral lengths are assumed to have no elbows in the vent system.

  • Page 19: Gas Piping

    Removal of the Furnace from Common Vent Resize the common venting system to the minimum vent pipe size determined by using the appropriate tables in In the event that an existing furnace is removed from Appendix G. (These are in the current standards of the a venting system commonly run with separate gas National Fuel Gas Code ANSI 2223.1.
  • Page 20 Gas Pipe Capacity - FT³/HR (kL/HR) Internal Length of Pipe - feet (m) Nominal Iron Diameter Pipe Size - - inches inches (mm) (3.048) (6.096) (9.144) (12.192) (15.240) (18.288) (21.336) (24.384) (27.432) (30.480) (mm) .622 (12.7) (17.799) (4.96) (3.40) (2.75) (2.32) (2.07) (1.87)

  • Page 21: Electrical

    Leak Check Electrical After gas piping is completed, carefully check all field- installed piping connections for gas leaks. Use a commercially available leak detecting solution specifically ELECTROSTATIC DISCHARGE (ESD) manufactured for leak detection. Never use an open flame Precautions and Procedures to test for gas leaks.
  • Page 22 Refer to Figure 23 for schematic wiring diagram and connected to ground or the “C” terminal. See Figure 24 troubleshooting. for control board configuration. This terminal is energized in the heating mode when the combustion air inducer is The power supply wiring must meet Class I restrictions. operating.
  • Page 23 045*3A 070*3A 090*4B 110*5C Figure 23. Wiring Diagram 507332-02G / 31-5000663 Issue 2209 Page 23 of 35...
  • Page 24 Red LED Flash Code Diagnostic Codes / Status of Furnace No power to control or control hardware fault detected Heartbeat Normal operation - idle, continuous fan, cool Continuous Rapid Flash Call for heat / burner operation 1 Flash Reverse line voltage polarity 2 Flashes Improper earth ground 3 Flashes...
  • Page 25 1/4” Quick Connect Terminal Designations 120V HUM Power for Humidifier (120VAC) LINE Incoming Power Line (120VAC) XFMR Transformer Primary (120VAC) CIRC Indoor Blower Motor (120VAC) Electronic Air Cleaner (120VAC) HUM24 Power For Humidifier (24VAC) NEUTRALS (5) Neutral 3/16” Quick Connect Terminal Designations Cool Speed From Indoor Blower Motor COOL (24VAC)

  • Page 26: Unit Start-Up

    Set the thermostat to the lowest setting. Unit Start-Up Turn off all electrical power to the unit. This furnace is equipped with an ignition device which FOR YOUR SAFETY READ BEFORE LIGHTING UNIT automatically lights the burners. Do not try to light the burners by hand.
  • Page 27 Gas Pressure Adjustment Is gas turned on at the meter? Gas Flow (Approximate) Is the manual main shut-off valve open? Gas Meter Clocking Chart Is the internal manual shut-off valve open? Seconds for One Revolution Is the unit ignition system in lock out? If the unit locks out again, call the service technician to inspect the unit Natural Capacity...
  • Page 28 Other Unit Adjustments While waiting for the unit to stabilize, observe the flame. Flame should be stable and should not lift from Primary and Secondary Limits burner. Natural gas should burn blue. The primary limit is located on the heating compartment After allowing unit to stabilize for 5 minutes, record vestibule panel.
  • Page 29 Constant Torque Motor These units are equipped with a permanent magnetic IMPORTANT indoor blower motor that provides constant torque. The motor has five speed taps all referenced to the same signal For Safety, shut unit off and remove manometer as common.

  • Page 30: Blower Performance

    Blower Performance NF80D045S3A Performance (Less Filter) External Air Volume / Watts at Various Blower Speeds Static High Medium-High Medium Medium-Low Pressure watts watts watts watts watts in. w.c. 0.10 1400 1175 0.20 1375 1145 0.30 1335 1120 0.40 1320 1075 0.50 1275 1045...
  • Page 31 NF80D090S4B Performance (Less Filter) External Air Volume / Watts at Various Blower Speeds Static High Medium-High Medium Medium-Low Pressure watts watts watts watts watts in. w.c. 0.10 1725 1495 1390 1320 1145 0.20 1695 1470 1340 1280 1105 0.30 1660 1425 1290 1225...

  • Page 32: Service

    Cleaning the Heat Exchanger and Burners Service NOTE: Use papers or protective covering in front of the furnace during cleaning. 1. Turn off both electrical and gas power supplies to WARNING furnace. Remove flue pipe and top cap (some applications top ELECTRICAL SHOCK, FIRE, OR EXPLOSION cap can remain) from the unit.
  • Page 33 14. Reinstall heat exchanger in vestibule. (Replace the five screws in the cabinet from step 10 if removed). 15. NOx units only - Replace NOx inserts. 16. Reinstall collector box and combustion air assembly. Reinstall all screws to the collector box and combustion air inducer.

  • Page 34: Planned Service

    Planned Service Operating performance - Unit must be observed during The following items should be checked during an annual operation to monitor proper performance of the unit and inspection. Power to the unit must be shut off for the service the vent system.
  • Page 35 Requirements for Commonwealth of Massachusetts Modifications to NFPA-54, Chapter 10 INSPECTION. The state or local gas inspector of the side wall, horizontally vented, gas-fueled equipment Revise NFPA-54 section 10.8.3 to add the following shall not approve the installation unless, upon requirements: inspection, the inspector observes carbon monoxide For all side wall, horizontally vented, gas-fueled equipment...

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