1. Manuals
  2. Brands
  3. Haier Manuals
  4. Furnace
  5. GE NF80US
  6. Installation instructions manual

Haier GE NF80US Installation Instructions Manual

Warm air gas furnace
Hide thumbs Also See for GE NF80US:
Table of Contents

Advertisement

Quick Links

Download this manual
INSTALLATION INSTRUCTIONS
NF80US & NF80LS
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
507330-03G / 31-5000662
This manual must be left with the homeowner for future reference.
WARNING
CAUTION

Table of Contents

Unit Dimensions ..........................................................2
NF80US & NF80LS Gas Furnace ...............................3
Shipping and Packing List ...........................................3
Safety Information .......................................................3
General ........................................................................4
Combustion, Dilution & Ventilation Air .........................5
Filters .........................................................................10
Duct System ..............................................................10
Venting.......................................................................11
Gas Piping .................................................................18
Electrical ....................................................................20
Unit Start-Up ..............................................................25
Blower Performance ..................................................30
Service.......................................................................34
Repair Parts List ........................................................35
*P507330-03G*
Issue 2209
Warm Air Gas Furnace
Upflow/Horizontal
Left/Right Air Discharge
(P) 507330-03G
Page 1 of 36

Advertisement

Table of Contents
loading

Related Manuals for Haier GE NF80US

Summary of Contents for Haier GE NF80US

  • Page 1: Table Of Contents

    As with any mechanical equipment, personal injury can Repair Parts List ............35 result from contact with sharp sheet metal edges. Be careful when you handle this equipment. GE Appliances *P507330-03G* A Haier Company Appliance Park (P) 507330-03G Louisville, KY 40225 507330-03G / 31-5000662 Issue 2209...

  • Page 2: Unit Dimensions

    Unit Dimensions NOTE - 5C and 5D size units installed in upflow applications 25 (635) that require air volumes of 1800 cfm (850 L/s or greater must have one of the following: Single side return air with transition, to accommodate 20 x 25 x 1 in.

  • Page 3: Nf80Us & Nf80Ls Gas Furnace

    Clearances NF80US & NF80LS Gas Furnace Adequate clearance must be made around the air openings into the vestibule area. In order to ensure proper unit The NF80US & NF80LS gas furnace is shipped ready for operation, combustion and ventilation air supply must be installation in the upflow or horizontal right position (for provided according to the current National Fuel Gas Code.

  • Page 4: General

    Furnace must be installed as a two pipe system Heating Unit Installed Parallel to Air Handler Unit and one hundred percent (100%) outdoor air must be provided for combustion air requirements during construction. A room thermostat must control the furnace. The use of fixed jumpers that will provide continuous heating is prohibited.

  • Page 5: Combustion, Dilution & Ventilation Air

    In addition to the requirements outlined previously, the All gas fired appliances require air for the combustion following general recommendations must be considered process. If sufficient combustion air is not available, the when installing one of these furnaces: furnace or other appliances will operate inefficiently and unsafely.
  • Page 6 for combustion if the structure does not provide enough air (64516 mm2). One opening shall be within 12 inches (305 by infiltration. If the furnace is located in a building of tight mm) of the top of the enclosure and one opening within 12 construction with weather stripping and caulking around inches (305 mm) of the bottom.
  • Page 7 Setting Equipment WARNING Do not install the furnace on its front or its back. Do not connect the return air ducts to the back of the furnace. Doing so will adversely affect the operation of the safety control devices, which could result in personal injury or death.
  • Page 8 Upflow Applications Single side return air with optional return airbase. See Figure 12. Allow for clearances to combustible materials as indicated on the unit nameplate. Minimum clearances for closet or Bottom return air. alcove installations are shown in Figure 7. Return air from both sides.
  • Page 9 This furnace may be installed in either an attic or a crawl space. Either suspend the furnace from roof rafters or floor joists, as shown in Figure 10, or install the furnace on a platform, as shown in Figure 13. Type of Vent Type C Type B...

  • Page 10: Filters

    NOTE: Heavy gauge perforated sheet metal straps may be used to suspend the unit from roof rafters or ceiling WARNING joists. When straps are used to suspend the unit in this way, support must be provided for both the ends. The The inner blower panel must be securely in place when straps must not interfere with the plenum or exhaust the blower and burners are operating.

  • Page 11: Venting

    When return air is drawn from a room, a negative pressure is created in the room. If a gas appliance is operating in IMPORTANT a room with negative pressure, the flue products can be pulled back down the vent pipe and into the room. This The unit will not vent properly with the flue transition reverse flow of the flue gas may result in incomplete pointed down in the 6 o’clock position.
  • Page 12 • Cut combustion air inducer tubing from 9” to 5” to avoid • Cut combustion air inducer tubing from 9” to 7” to avoid interference with inducer motor. interference with inducer motor. • Disconnect pressure switch hose from barbed fitting on the pressure switch assembly.
  • Page 13 WARNING Asphyxiation hazard. The exhaust vent for this furnace must be securely connected to the furnace flue transition at all times. Figure 21. Horizontal Right Position Side Vent Discharge These series units are classified as fan assisted Category I furnaces when vertically vented according to the latest Figure 22.
  • Page 14 A fan assisted furnace may be commonly vented into an existing lined masonry chimney if the following conditions are met: • The chimney is currently serving at least one drafthood equipped appliance. • The vent connectors and chimney are sized according to the provided venting tables.
  • Page 15 1. Vent diameter recommendations and maximum capacity). The horizontal length of the offset shall not allowable piping runs are found in the provided venting exceed 1-1/2 feet (.46 m) for each inch (25 mm) of tables. common vent diameter. In no case should the vent or vent connector diameter 10.
  • Page 16 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 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: Gas Piping

    Removal of the Furnace from Common Vent Follow the lighting instructions. Turn on the appliance that is being inspected. Adjust the thermostat so that In the event that an existing furnace is removed from the appliance operates continuously. a venting system commonly run with separate gas appliances, the venting system is likely to be too large to After the burners have operated for 5 minutes, test for properly vent the remaining attached appliances.
  • Page 19 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 20: Electrical

    The gas piping must not run in or through air ducts, clothes chutes, gas vents or chimneys, dumb waiters, WARNING or elevator shafts. FIRE OR EXPLOSION HAZARD The piping should be sloped 1/4 inch (6.4 mm) per 15 feet (4.57 m) upward toward the meter from the Failure to follow the safety warnings exactly could furnace.
  • Page 21 a humidifier rated at greater than one amp is connected to this terminal, it is necessary to use an external relay. One 24V “H” 1/4” spade terminal is provided on the furnace control board. Any humidifier rated up to 0.5 amp can be connected to this terminal with the ground leg of the circuit connected to ground or the “C”...
  • Page 22 045*3A 070*3A 090*4B 090*5C 110*5C 135*5D Figure 31. Wiring Diagram Page 22 of 36 Issue 2209 507330-03G / 31-5000662...
  • Page 23 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 24 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 25: Unit Start-Up

    5 SEC Blower Trial for Post Ignitor Warm-up Pre-Purge “On” Delay Ignition Purge Demand Ignitor Gas Valve Indoor Blower Blower on time will be 45 seconds after gas valve is energized. Blower off time will depend on “OFF TIME” Setting. Figure 34.
  • Page 26 11. Set the thermostat to desired setting. If flame is not detected after first ignition trial, the ignition control will repeat steps 3 and 4 four more NOTE: When unit is initially started, steps 1 through times before locking out the gas valve. The ignition 11 may need to be repeated to purge air from gas line.
  • Page 27 High Altitude After allowing unit to stabilize for 5 minutes, record manifold pressure and compare to value given in This furnace is carefully designed for optimal performance Table 12. under a wide range of operating conditions. To ensure proper operation at higher altitudes, certain adjustments NOTE: Shut unit off and remove manometer as soon as an and/or kits may be required.
  • Page 28 Fan Control the five selectable speeds. The motor has five speed taps. Each tap requires 24 volts to energize. Ignition Control 103217-03 The fan on time of 45 seconds is not adjustable. The heat Thermostat Heat Anticipation fan off delay (amount of time that the blower operates after Set the heat anticipator setting (if adjustable) according to the heat demand has been satisfied) may be adjusted by the amp draw listed on the wiring diagram that is attached...
  • Page 29 Pressure Switch Temperature Rise The pressure switch is located in the heating compartment After the furnace has been started, and supply and return adjacent to the combustion air inducer. The switch checks air temperatures have been allowed to stabilize, check for proper combustion air inducer operation before allowing the temperature rise.

  • Page 30: Blower Performance

    Blower Performance NF80U045S3A / NF80L045S3A 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 1345 1120 0.20 1320 1080 0.30 1290 1055...
  • Page 31 507330-03G / 31-5000662 Issue 2209 Page 31 of 36...
  • Page 32 Page 32 of 36 Issue 2209 507330-03G / 31-5000662...
  • Page 33 Allowable Heating Speeds Models Yellow Blue Brown Black 045-3 Not Allowed Allowed Factory Setting Allowed Not Allowed 070-3 Not Allowed Allowed Factory Setting Allowed Not Allowed 090-4 Allowed Allowed Factory Setting Allowed Not Allowed 090-5 Allowed Allowed Factory Setting Allowed Not Allowed 110-5 Not Allowed...

  • Page 34: Service

    Filters Service Filters are installed external to the unit. Filters should be inspected monthly. Clean or replace the filters when necessary to ensure that the furnace operates properly. Replacement filters must be rated for high velocity airflow. WARNING Table 1 lists recommended filter sizes. ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD.

  • Page 35: Repair Parts List

    Figure 37. Burner Assembly Removal Repair Parts List The following repair parts are available through independent GEA dealers. When ordering parts, include the complete furnace model number listed on the CSA International nameplate. All service must be performed by a licensed professional installer (or equivalent), service agency, or gas supplier.
  • Page 36 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...

This manual is also suitable for:

Ge nf80ls

Table of Contents