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Installation Instructions
for *R9S96*U Ultra Low
NOx Gas Furnace
(Type FSP CATEGORY IV Direct
or Non Direct Vent Air Furnace)
(Type FSP CATÉGORIE IV Direct
ou four á air soufflé non direct)
These furnaces comply with requirements embodied
in the American National Standard/National Standard
of Canada ANSI Z21.47·CSA-2.3 Gas Fired Central
Furnaces.
s a professional installer you have an obligation to know
A
the product better than the customer. This includes all
safety precautions and related items.
Prior to actual installation, thoroughly familiarize yourself
with this Instruction Manual. Pay special attention to all
safety warnings. Often during installation or repair it is
possible to place yourself in a position which is more
hazardous than when the unit is in operation.
Remember, it is your responsibility to install the product
safely and to know it well enough to be able to instruct a
customer in its safe use.
Safety is a matter of common sense...a matter of thinking
before acting. Most dealers have a list of specific good
safety practices...follow them.
The precautions listed in this Installation Manual are
intended as supplemental to existing practices. However,
if there is a direct conflict between existing practices and
the content of this manual, the precautions listed here take
precedence.
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
IOG-2040B
01/2024
Installer:
Affix all manuals
adjacent to the unit.
19001 Kermier Rd., Waller, TX 77484
www.goodmanmfg.com • www.amana-hac.com
© 2024 Daikin Comfort Technologies Manufacturing, L.P.
is a registered trademark of Maytag Corporation or its related companies
and is used under license. All rights reserved.
ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL,
ADJUST, SERVICE, MAINTENANCE OR REPAIR (HEREINAF-
TER, "SERVICE") THE EQUIPMENT SPECIFIED IN THIS MANUAL
SHOULD SERVICE THE EQUIPMENT.
THIS EQUIPMENT IS NOT INTENDED FOR USE BY PERSONS
(INCLUDING CHILDREN) WITH REDUCED PHYSICAL, SENSORY
OR MENTAL CAPABILITIES, OR LACK OF EXPERIENCE AND
KNOWLEDGE, UNLESS THEY HAVE BEEN GIVEN SUPERVISION
OR INSTRUCTION CONCERNING USE OF THE APPLIANCE BY A
PERSON RESPONSIBLE FOR THEIR SAFETY.
CHILDREN SHOULD BE SUPERVISED TO ENSURE THAT THEY
DO NOT PLAY WITH THE EQUIPMENT.
THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR ANY
INJURY OR PROPERTY DAMAGE ARISING FROM IMPROPER
SUPERVISION, SERVICE OR SERVICE PROCEDURES. IF YOU
SERVICE THIS UNIT, YOU ASSUME RESPONSIBILITY FOR
ANY INJURY OR PROPERTY DAMAGE WHICH MAY RESULT. IN
ADDITION, IN JURISDICTIONS THAT REQUIRE ONE OR MORE
LICENSES TO SERVICE THE EQUIPMENT SPECIFIED IN THIS
MANUAL, ONLY LICENSED PERSONNEL SHOULD SERVICE
THE EQUIPMENT. IMPROPER SUPERVISION, INSTALLATION,
ADJUSTMENT, SERVICING, MAINTENANCE OR REPAIR OF THE
EQUIPMENT SPECIFIED IN THIS MANUAL, OR ATTEMPTING
TO INSTALL, ADJUST, SERVICE OR REPAIR THE EQUIPMENT
SPECIFIED IN THIS MANUAL WITHOUT PROPER SUPERVISION
OR TRAINING MAY RESULT IN PRODUCT DAMAGE, PROPERTY
DAMAGE, PERSONAL INJURY OR DEATH.
Do not bypass safety devices.
This furnace may be paired with a cooling unit that uses R-32
refrigerant. If the cooling unit paired with this furnace
does not use R-32, the R-32 function control board needs
to be turned off. Please see the electrical and the R-32 sec-
tions for more details. Refrigerant systems other than 410A
or R32 may require an additional mitigation control board.
Refer to the installation manual of the indoor evaporator
coil to determine installation requirements for that suppli-
er's refrigerant detection system.
WARNING
WARNING
WARNING
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Table of Contents
Troubleshooting
Related Manuals for Maytag Amana R9S96 U Series
Summary of Contents for Maytag Amana R9S96 U Series
- Page 1 AS A SAFETY PRECAUTION. 19001 Kermier Rd., Waller, TX 77484 www.goodmanmfg.com • www.amana-hac.com © 2024 Daikin Comfort Technologies Manufacturing, L.P. IOG-2040B is a registered trademark of Maytag Corporation or its related companies 01/2024 and is used under license. All rights reserved.
-
Page 2: Table Of Contents
Table of Contents This furnace is manufactured for use with natural gas only. Install this furnace only in a location and position as specified in LOCATION REQUIREMENTS & Safety Considerations ..........2 CONSIDERATIONS section and INSTALLATION Product Application ............5 POSITIONS section of this manual. Location Requirements &... -
Page 3: Fire Or Explosion Hazard
WARNING AVERTISSEMENT To prevent possible property damage, personal injury or RISQUE D’INCENDIE OU D’EXPLOSION death due to electrical shock, the furnace must be located Si les consignes de sécurité ne sont pas suivies à la to protect the electrical components from water. lettre,cela peut entraîner la mort, de graves blessures ou des dommages matériels. -
Page 4: Shipping Inspection
RISQUE D'EMPOISONNEMENT AU MONOXYDE DE CARBONE Advertencia especial para la instalación de calentadores ó manejadoras de aire en áreas cerradas como estacionamientos ó cuartos de servicio. Cette ventilation est nécessaire pour éviter le danger d'intoxication Las emisiones de monóxido de carbono pueden circular a través au CO pouvant survenir si un appareil produisant du monoxyde del aparato cuando se opera en cualquier modo. -
Page 5: Product Application
NOTE: This unit should be installed in a American National Standards Institute 23 West 43rd Street, 4th Floor manner so that it is not accessible to the New York, NY 10036 public. National Fire Protection Association PRODUCT APPLICATION 1 Batterymarch Park Quincy, MA 02169-7471 This furnace is primarily designed for residential home- heating applications. -
Page 6: Clearances And Accessibility
condensate drainage system in any area subject to Example: a “C” width coil may be installed with a “B” below freezing temperatures without proper freeze width furnace. protection. Refer to Condensate Drain Lines and For upflow applications, the front of the coil and Trap for further details. -
Page 7: Thermostat Location
A furnace installed in a confined space (i.e., a closet or appliance shall operate continuously. utility room) must have two ventilation openings with a 7. Test for spillage from draft hood appliances at the total minimum free area of 0.25 square inches per 1,000 draft hood relief opening after 5 minutes of main BTU/hr of furnace input rating. -
Page 8: Installation Positions
House depressurization can cause back drafting or improper combustion of gas-fired appliances, thereby exposing building occupants to gas combustion products that could include carbon monoxide. If this furnace is to be installed in the same space with other gas appliances, such as a water heater, ensure there is an adequate supply of combustion and ventilation air for Figure 2B all appliances. - Page 9 AVERTISSEMENT WARNING RISQUE D’INTOXICATION AU MONOXYDE DE CARBON MONOXIDE POISONING HAZARD CARBONE Failure to follow the steps outlined below for each ap- Si les étapes décrites ci-dessous ne sont pas suivies pour pliance connected to the venting system being placed into chacun des appareils raccordés au système de ventila- operation could result in carbon monoxide poisoning or tion au moment de sa mise en marche, cela peut entraîner...
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Page 10: Vent Pipe & Combustion Air Pipe
VENT PIPE & COMBUSTION AIR PIPE Front Cover Pressure Switch Tube Location When a furnace is installed horizontally with left side down, the front cover pressure switch tube must be re-located to This manual will refer to the pipe that discharges products the lower port of the collector box cover. -
Page 11: Installation
feet. Condensation within the furnace secondary heat VENTING MATERIAL REQUIREMENTS exchanger and in the vent pipe is a normal occurrence. ASTM STANDARD Vent pipe must be installed to maintain a minimum 1/4 inch SCHEDULE 40 PIPE D1785 per foot downward slope toward the furnace to return SDR 21 or 26 PIPE D2241 condensate to the furnace’s drain system. -
Page 12: Pipe Sizing
Precautions should be taken to prevent condensate from freezing inside the flue/vent pipe, combustion air intake pipe and/or at the pipe terminations. All flue/vent and/ or combustion air piping exposed to temperatures below 35°F for extended periods of time should be insulated with 1/2”... - Page 13 RF000142 drain fitting should be capped. A tee installed in the vent and/or intake pipe is also an acceptable method of capturing condensation. For vertical vent piping, a PVC wye can be used for capturing condensation (see figure 10). Any of these options must have a field supplied, trapped drain tube or pipe, free-draining to proper condensate disposal location.
- Page 14 Pipe Termination Products of combustion must always be vented outside. A WARNING vent pipe must never terminate in an attic, crawl space, or any other part of a dwelling. Follow the vent pipe & intake The rubber elbow is not designed to support a load. When pipe termination requirements listed below as well as all the rubber elbow is mounted externally to the furnace applicable local, State and National codes.
- Page 15 Figure 13 Non-Direct Vent TEE (OPTIONAL) & Direct Vent Vent/Flue Terminations Non-Direct Vent COMBUSTION AIR INTAKE 12” MIN Vent/Flue Termination (OPTIONAL) HEIGHT *Not required for DIFFERENCE single pipe installation No Terminations Above Walkway <10' 4' min. 12" 3' min. min. 12"...
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Page 16: Vent/Intake Terminations For Installation Of Multiple Direct Vent Furnaces
12" MIN. 90° ELBOWS VENT/FLUE TEE ( OPTIONAL) 45° ELBOW TURNED DOWN or 90° ELBOW TURNED DOWN 12" MIN. ABOVE HIGHEST ANTICIPATED SNOW LEVEL Combustion Air Intake may also be snorkeled to obtain 12” min ground clearance. Horizontal Termination (Single Pipe) Alternate Vent Termination Above Anticipated Snow Level Above Highest Anticipated Snow Level (Dual Pipe) -
Page 17: Condensate Drain Lines & Drain Trap
NOTE: In vertical installations, air conditioning Al lowabl e Ins tallation O rient ati on coil condensate may drain into the furnace trap as long as there is a trap between the coil and the furnace trap and the drain pipe is not terminating H oriz ontal Ins tallation below the water level of the furnace trap. -
Page 18: Upflow Model Installed Vertically
Upflow Model Installed Vertically The trap and factory installed hoses remain as shipped. The furnace drain may exit either the right or left side of the furnace cabinet. Both sides of the cabinet have two .875” diameter holes which can be used interchangeably for drain and low voltage wiring purposes. -
Page 19: Upflow Model Installed Horizontally With Left Side Down
top, secure it to the barbed fitting in the elbow with a unused elbow drain port. Inserting a blunt tool red clamp. such as a 3/16’’ Allen wrench into the center of 6. Draining the Collector Box: Install the non-grommet the rubber plug will stretch the plug and allow end of hose #11 from outside the cabinet in the complete insertion. -
Page 20: Electrical Connections
4. Locate hose #5 and cut 3” from the non-grommet 115 Volt Line Connections end. Discard the section without the grommet. Before proceeding with electrical connections, ensure 5. Insert the cut end of tube #5 through the lower that the supply voltage, frequency, and phase correspond cabinet drain hole. -
Page 21: Volt Thermostat Wiring
BOARD TERMINAL 24 VAC Thermostat CONNECTIONS Thermostat Remote Condensing Unit (Single-Stage Cooling) Optional Optional INDOOR INDOOR 24 VAC BOARD TERMINAL 24 VAC BOARD TERMINAL Optional CAUTION Thermostat CONNECTIONS Optional Thermostat CONNECTIONS Remote Remote Condensing Unit Condensing Unit (Single-Stage Cooling) (Two-Stage Cooling) Label all wires prior to disconnection when servicing con- Optional Optional... -
Page 22: Gas Supply And Piping
Strictly follow the wiring guidelines in the fossil fuel kit installation instructions. All furnace connections must be made to the furnace integrated control module and the R-32 SENSOR “FURNACE” terminal strip on the fossil fuel control board. 24 VOLT VENTILATION ( OPTIONAL ) GAS SUPPLY AND PIPING 24 VOLT A2L ALARM... -
Page 23: Gas Valve
• Gas piping must be supported external to the furnace Manifold Manifold C02% Max Allowable cabinet so that the weight of the gas line does not MODEL Pressure Pressure Natural Venting (3 in. distort the burner rack, manifold or gas valve. at 5000 ft at 7500 ft only) -
Page 24: Gas Piping Checks
Manual Shut Off Valve Natural Gas Capacity of Pipe Alternate (upstream from In Cubic Feet of Gas Per Hour (CFH) Union ground joint pipe union) Length of Nominal Black Pipe Size Location Pipe in Feet 1/2" 3/4" 1" 1 1/4" 1 1/2"... -
Page 25: Checking Duct Static
1. With clean filters in the furnace, use a manometer to SUPPLY measure the static pressure of the return duct at the inlet of the furnace (Negative Pressure). CUTAWAY OF DUCTWORK 2. Measure the static pressure of the supply duct TO EXPOSE COIL (Positive Pressure). -
Page 26: Horizontal Installations
When the furnace is used in connection with a cooling unit, external filter rack kit (upflows). As an alternative a media the furnace should be installed in parallel with or on the air filter or electronic air cleaner can be used as the upstream side of the cooling unit to avoid condensa tion requested filter. -
Page 27: Startup Procedure & Adjustment
The R-32 Sensor wire coming from the indoor evaporator The control will exit the verification function if: coil will need to be routed into the furnace and connected 1. The 5 minute timeout expires or to the connection point on the furnace control board. This 2. -
Page 28: Drain Trap Priming
While navigating the option menus, press the menu switch Drain Trap Priming to select the displayed option. The displayed selection will The drain trap MUST be primed prior to furnace startup. stop flashing indicating the selection was made. Press the To prime, fill both sides of the drain trap with water. -
Page 29: Furnace Shutdown
Furnace Shutdown NOTE: If measuring gas pressure at the drip leg, a 1. Set the thermostat to the lowest setting. field-supplied hose barb fitting must be installed The integrated control will close the gas valve and prior to making the hose connection. If using the extinguish flame. -
Page 30: Temperature Rise
White-Rodgers 36J22 valve: Back outlet pressure test screw (outlet pressure tap) out one turn EXAMPLE: If it took 23 seconds to complete one (counterclockwise, not more than one turn). revolution of the 1/2 ft. dial (23 x 2 = 46). 4. -
Page 31: Circulator Blower Speeds
are available for circulation. 3. When the menu button is pressed, the current displayed speed shall stop flashing. Press the menu button again to select the option and the control shall SUPPLY immediately apply that blower setting and return to the corresponding main menu. -
Page 32: Normal Sequence Of Operation
2AC: Y1 + Y2 1HP: Y1 2HP: Y1 + Y2 + O Single Stage HP Heating Speed Table Two Stage Cooling Speed Table Gas Heating Mode Speed Selection THERMOSTAT CALL AVAILABLE SPEEDS To change the main blower speed in GAS HEATING mode, (OdS: Terminal) (HP2 menu) see the following steps:... -
Page 33: Heating Mode
• Following the Cool Mode Fan Off Delay period, the Heating Mode indoor fan and air cleaner relays are de-energized. The normal operational sequence in heating mode is as 2nd Stage Cooling Mode Sequence: follows: • R and W thermostat contacts close, initiating a call NOTE: A Y1 call must be present or a Y2 call will for heat. -
Page 34: Integrated Control Module
• Following the HP Heat Mode Fan Off Delay period, WARNING the indoor fan, EAC, & HUM relays are de-energized. Do not bypass safety devices. Fan Only Mode The normal operational sequence in fan only mode is as follows: A number of safety circuits are employed to ensure safe •... -
Page 35: Pressure Sensor
Pressure Sensor can be used to the last five faults detected by the control. Pressure sensor is mounted on the induced draft blower. Navigate the L6F by pressing the menu button 2 times, Its function is to regulate the induced draft blower’s speed then select the option button. -
Page 36: Filters
• Flue pipe system: Check for blockage and/or leakage. Check the outside termination and the connections at and internal to the furnace. • Heat exchanger. Check for corrosion and/or buildup within the heat exchanger passageways. • Burners. Check for proper ignition, burner flame, and flame sense. -
Page 37: Repair And Replacement Parts
• Cycle the furnace with the thermostat at least three times. Verify cooling and fan only operation. • Review the Owner’s Manual with the homeowner and discuss proper furnace operation and maintenance. • Leave literature packet near furnace. REPAIR AND REPLACEMENT PARTS •... -
Page 38: Troubleshooting Chart
TROUBLESHOOTING CHART Symptom Fault Description Corrective Actions Status Normal operation Normal operation None I dL Furnace fails to Internal Faults or IRQ Loss in Control Replace integrated control board operate Board Locate and correct gas interruption Check front cover pressure switch operation and verify proper drainage (hose, wiring, contact operation), correct if necessary Furnace lockout due to an excessive... - Page 39 TROUBLESHOOTING CHART Symptom Fault Description Corrective Actions Status Flame sense micro amp signal is Clean flame sensor if coated or oxidized Inspect for proper flame minimal sensor alignment Flame sensor is coated/oxidized Check inlet air piping for blockage, proper length, elbows, and Flame sensor incorrectly positioned in burner termination Normal furnace...
- Page 40 TROUBLESHOOTING CHART Symptom Fault Description Corrective Actions Status Furnace fails to operate Check Red, Black, White harness & connections to inducer & control board Analog Pressure Sensor span error Check pressure hoses to pressure sensor and pressure switch Furnace fails to operate Analog Pressure Sensor pressure error Check Red, Black, White harness &...
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Page 41: Airflow Tables
AIRFLOW AR9S96-U / GR9S96-U COOLING & CIRCULATION AIRFLOW EXTERNAL STATIC PRESSURE, (INCHES WATER COLUMN) THERMOSTAT MODEL TAP # 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 CALL CFM CFM CFM CFM CFM WATTS CFM WATTS CFM WATTS CFM WATTS 714 667 620 573 528 841 803 765 725 686 862 823 784 745 706 1043 1011 976 945 912... - Page 42 AIRFLOW...
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Page 43: Wiring Diagram
WIRING DIAGRAM *R9S96** PRESSURE TRANSDUCER UNUSED 115 VAC/ 1 Ø /60 HZ COLLECTOR BOX POWER SUPPLY WITH PRESSURE SWITC OVERCURRENT PROTECTION DEVICE ID BLOWER PRESSURE SWITCH GAS VALVE WARNING:DISCONNECT POWER BEFORE SERVICING. WIRING TO UNIT MUST BE PROPERLY POLARIZED DISCONNECT AND GROUNDED. -
Page 44: Start-Up Checklist
START-UP CHECKLIST Furnace Model Number Serial Number ELECTRICAL Line Voltage (Measure L1 to N and N to Ground Voltage) L - N N - G Secondary Voltage (Measure Transformer Output Voltage) R - C Blower Amps BLOWER EXTERNAL STATIC PRESSURE Return Air Sta�c Pressure IN. - Page 45 THIS PAGE INTENTIONALLY LEFT BLANK...
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Page 48: Customer Feedback
Product Registration page. 19001 Kermier Rd., Waller, TX 77484 www.goodmanmfg.com • www.amana-hac.com © 2024 Daikin Comfort Technologies Manufacturing, L.P. is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.
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