*M9C96 & *C9C96 Two-Stage Gas Furnaces (Type FSP CATEGORY IV Direct or Non Direct Vent Air Furnace) (Type FSP CATÉGORIE IV Direct ou four á air souffl יnon 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. INSTALLER: Affix all manuals adjacent to the unit. As a professional installer you have an obligation to know the product better than the customer.
Table of Contents Safety Considerations............................................... 3 Product Description..................................................... 5 Product Application...................................................... 5 Location Requirements & Considerations.................. 6 Combustion & Ventilation Requirements................ 10 Installation Positions.................................................. 10 Horizontal Applications & Considerations...............
Always install a furnace to operate within the furnace’s intended temperature-rise range with a duct system which has external static pressure within the allowable range, as specified on the furnace rating plate and OPERATIONAL CHECKS section of these instructions. WARNING FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result in serious injury, death or property damage.
WARNING WARNING SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, TURN OFF THE MANUAL GAS SHUTOFF VALVE EXTERNAL TO THE FURNACE BEFORE TURNING OFF THE ELECTRICAL SUPPLY. HEATING UNIT SHOULD NOT BE UTILIZED WITHOUT REASONABLE, ROUTINE, INSPECTION, MAINTENANCE AND SUPERVISION. IF THE BUILDING IN WHICH ANY SUCH DEVICE IS LOCATED WILL BE VACANT, CARE SHOULD BE TAKEN THAT SUCH DEVICE IS ROUTINELY INSPECTED, MAINTAINED AND MONITORED.
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. Las emisiones de monóxido de carbono pueden circular a través del aparato cuando se opera en cualquier modo. CO can cause serious illness including permanent brain damage or death.
• A room thermostat is used to control the furnace. Fixed jumpers that provide continuous heating CANNOT be used and can cause long term equipment damage. Bi-metal thermostats, or any thermostat affected by vibration must not be used during construction.
• • • • • • outdoors through a proper venting system. Special consideration should be given to vent/ flue pipe routing and combustion air intake pipe when applicable. Refer to Vent/Flue Pipe and Combustion Air Pipe -Termination Locations for appropriate termination locations and to determine if the piping system from furnace to termination can be accomplished within the guidelines given. NOTE: The length of flue and/or combustion air piping can be a limiting factor in the location of the furnace.
NOTE: The subbase will not be required if an air conditioning coil is installed between the supply air opening on the furnace and the floor. *C9C96 MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS (INCHES) POSITION* SIDES REAR FRONT BOTTOM FLUE TOP Counterflow 0" 0" 3" C 0" 1" Horizontal 6" 0" 3" C 0" 6" C = If placed on combustible floor, floor MUST be wood only. Clearances and Accessibility NOTES: • For servicing or cleaning, a 24” front clearance is required.
WARNING AVERTISSEMENT CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death. RISQUE D'INTOXICATION AU MONOXYDE DE CARBONE Si les étapes décrites ci-dessous ne sont pas suivies pour chacun des appareils raccordés au système de ventilation au moment de sa mise en marche, cela peut entraîner une intoxication au monoxyde de carbone ou la mort.
Existing Furnace Removal Thermostat Location NOTE: When an existing furnace is removed from a venting system serving other appliances, the venting system may be too large to properly vent the remaining attached appliances. The thermostat should be placed approximately five feet from the floor on a vibration-free, inside wall in an area having good air circulation.
Installation Positions Recommended Installation Positions *M9C96 models may be installed upflow or horizontally with left or right side down. *C9C96 models may be installed down flow or horizontally with left or right side down. Do not install this furnace on its back. For upright upflow furnaces, return air ductwork may be attached to the side panel(s) and/or basepan. For horizontal upflow furnaces, return air ductwork must be attached to the basepan.
2. Remove rubber plug from bottom collector box port and install on top of collector box port. 3. Locate 24’’ x 1/4’’ tube in bag assembly. 4. Install one end on front cover pressure switch. 5. Route tube to lower port on collector box cover and cut off excess tubing. This furnace is shipped from the factory configured for natural gas at standard altitude. Propane gas installations require an orifice and spring change to compensate for the energy content difference between natural and propane gas.
This manual will refer to the pipe that discharges products of combustion to the outdoors as the “vent” pipe or “flue” pipe. The pipe that supplies air for combustion to the furnace will be referred to as the “intake” pipe or “combustion air” pipe. VENTING MATERIAL REQUIREMENTS PVC ASTM STANDARD SCHEDULE 40 PIPE This furnace is dual certified and may be installed as a nondirect vent (single pipe) or direct vent (dual pipe) appliance.
Non-Direct Vent & Direct Vent Vent/Flue Terminations PREFERRED Non-Direct Vent Vent/Flue Termination No Terminations Above Walkway Grade or Highest Anticipated Snow Level Non-Direct Vent Vent/Flue Termination Forced Air Inlet Direct Vent Vent/Flue Termination Figure 4 Figure 7 ACCEPTABLE VENT-DRAIN TRANSITION NO LESS THAN 45 DEGREES TO HORIZONTAL PLANE TO AVOID CREATING A WATER TRAP IN VENT PIPING. RF000142 Coupling Figure 8 Figure 5 WARNING Edges of sheet metal holes may be sharp.
Insert flange. Cut 2 ½” long. RF000142 SEE FIGURE 8 COMBUSTION AIR INTAKE OPTIONS Figure 12 CAUTION Figure 10 Be sure not to damage internal wiring or other components when reinstalling coupling and screws. NOTE: For installations at or above 7,000 feet altitude, use 3” venting. Vent/Flue Pipe Terminations Figure 11 12" MIN. WARNING VENT/FLUE TEE (OPTIONAL) or 45° ELBOW TURNED DOWN or 90° ELBOW TURNED DOWN THE RUBBER ELBOW IS NOT DESIGNED TO SUPPORT A LOAD.
*M9C96/*C9C96 Direct Vent (2 - Pipe) and Non-Direct Vent (1- Pipe) Maximum Allowable Length of Vent/Flue Pipe MODEL *M 9C960303AN & *M 9C960403AN *M 9C960603AN *M 9C960603BN^ *M 9C960803BN *M 9C960804CN *M 9C961004CN *M 9C961005CN *M 9C961205DN *C9C960403BN *C9C960603BN *C9C960803BN *C9C961005CN Pipe Size Number of Elbows (in.
6” MAX 4” MIN ELBOWS STRAIGHT 12" MIN. TO GRADE OR HIGHEST ANTICIPATED SNOW LEVEL Standard Horizontal Terminations (Dual Pipe) Figure 14 DOWN VENTING UPFLOW MODEL FURNACES ONLY Direct Vent (Dual Pipe) Piping Figure 17 90° ELBOWS Use alternate vent & combination air locations Vent Pipe 6’ Max. 3” - 24” Floor Combustion Air Pipe Field Supplied Drain Tee on Vent Pipe lsp Craw ent / m e s Ba ace 1/4” per foot min.
90° ELBOWS 3”MIN 24”MAX 3”-24” BETWEEN PIPES 12” MIN SEPARATION 3” MIN Combustion Air Intake may also be snorkeled to obtain 12” min ground clearance.
an appropriate drain location in compliance with local and national codes. Follow the bullets listed below when installing the drain system. Refer to the following sections for specific details concerning furnace drain trap installation and drain hose hook ups. • The drain trap supplied with the furnace must be used. • The drain trap must be primed at time of installation. • The drain line between furnace and drain location must meet local and national codes.
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. If a higher drain exit is needed, a .875” diameter hole may be added in the area shown in Figure 25. Any unused cabinet opening must be sealed. Do not allow drain hose to sag or trap water.
5. (Draining the Vent Elbow) Locate hose #2 (factory installed) and cut 1” away from the 45 degree bend, discard the 45 degree section. Insert hose #2 from outside the cabinet through the cabinet drain hole nearest the top. Secure it to the barbed fitting in the elbow with a red clamp. 6. For models DM96VE0303AN, DM96VE0403AN and DM96VE0603AN; locate the hose #2 (factory installed) and cut 1.5” length from the end of the hose.
2. Install 90°radius end of hose #2 on RF000142 drain outlet and secure with a red clamp. 3. Insert coupling in hose #2 and secure with a red clamp. 4. Locate hose #5 and cut 3” from the non-grommet end. Discard the section without the grommet. 5. Insert the cut end of tube #5 through the lower cabinet drain hole. 6. Insert 100 degree elbow in the cut end of hose #5. 7. Locate hose #6. Using red clamps, connect between the coupling and 100 degree elbow, cutting off excess tubing. 8.
Counterflow Model Installed Horizontally with Right Side Down (See Figure 32) Remove the hose clamps to obtain the respective hoses needed for installation, and install per the following directions. Minimum 5 1/2” clearance is required for the drain trap beneath the furnace. 1. Remove the factory installed drain trap and hose assemblies. Leave the 100° elbow inserted and clamped in the vent-drain elbow. 2. Remove two 1”plugs from left side of cabinet 3.
Hose #4 CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION. VERIFY PROPER OPERATION AFTER SERVICING. 115 Volt Line Connections Hose #4 Hose #5 Before proceeding with electrical connections, ensure that the supply voltage, frequency, and phase correspond to that specified on the unit rating plate. Power supply to the furnace must be NEC Class 1, and must comply with all applicable codes.
WARNING HIGH VOLTAGE TO AVOID THE RISK OF INJURY, ELECTRICAL SHOCK OR DEATH, THE FURNACE MUST BE ELECTRICALLY GROUNDED IN ACCORDANCE WITH LOCAL CODES OR IN THEIR ABSENCE, WITH THE LATEST EDITION OF THE NATIONAL ELECTRIC CODE. Thermostat - Single -Stage Heating with Single-Stage Cooling NOTE: To apply a single-stage Heating Thermostat, the thermostat selector switch on the Integrated Control Module must be set on single-stage.
• If AUt (Automatic) is selected, the actual timing for the transition to 2nd stage heat will be calculated by the control board based on length of run time of previous heating cycles (duty cycle). • Press the center switch to save the selection.
Gas Supply and Piping WARNING WARNING HIGH VOLTAGE TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK, DISCONNECT ELECTRICAL POWER BEFORE SERVICING OR CHANGING ANY ELECTRICAL WIRING. 115 VAC HUM TO AVOID POSSIBLE UNSATISFACTORY OPERATION OF EQUIPMENT DAMAGE DUE TO UNDERFIRING OR EQUIPMENT, USE THE PROPER SIZE OF NATURAL/ PROPANE GAS PIPING NEEDED WHEN RUNNING PIPE FROM THE METER/ TANK TO THE FURNACE. INLET GAS SUPPLY PRESSURE 115 VAC EAC Natural Gas Minimum: 4.5" w.c. Maximum: 10.0" w.c.
Propane Gas Conversion Natural Gas Capacity of Pipe In Cubic Feet of Gas Per Hour (CFH) Length of Nominal Black Pipe Size Pipe in Feet 1/2" 3/4" 1" 1 1/4" 10 132 278 520 1050 20 92 190 350 730 30 73 152 285 590 40 63 130 245 500 50 56 115 215 440 60 50 105 195 400 70 46 96 180 370 80 43 90 170 350 90 40 84 160 320 100 38 79 150 305 (Pressure 0.5 psig or less and pressure drop of 0.3" W.C.; Based on 0.60 Specific Gravity Gas) This unit is configured for natural gas, but may be converted for use with L.P.
Gas Piping Checks • Connect the furnace to the building piping by one of the following methods: – – Before placing unit in operation, leak test the unit and gas connections. Rigid metallic pipe and fittings. Semi-rigid metallic tubing and metallic fittings. Aluminum alloy tubing must not be used in exterior locations. In order to seal the grommet cabinet penetration, rigid pipe must be used to reach the outside of the cabinet. A semi-rigid connector to the gas piping may be used from there.
3. Pressure drop in lines between regulators, and between second stage regulator and the appliance. Pipe size will depend on length of pipe run and total load of all appliances. WARNING NEVER ALLOW THE PRODUCTS OF COMBUSTION, INCLUDING CARBON MONOXIDE, TO ENTER THE RETURN DUCT WORK OR CIRCULATION AIR SUPPLY. Complete information regarding tank sizing for vaporiza tion, recommended regulator settings, and pipe sizing is available from most regulator manufacturers and propane gas suppliers.
When the furnace is heating, the temperature of the return air entering the furnace must be between 55°F and 100°F. CUT USING TIN SNIPS PRESS OUT BY HAND CUT FOUR CORNERS AFTER REMOVING SHEET METAL SCRIBE LINES OUTLINING DUCT FLANGES Duct Flange Cut Outs Figure 42 Filters - Read This Section Before Installing The Return Air Duct work Checking Static Pressure Figure 41 Filters must be used with this furnace. Discuss filter maintenance with the building owner.
Upright Installations Furnace Cabinet Depending on the installation and/or customer preference, differing filter arrangements can be applied. Filters can be installed in the central return register or a side panel external filter rack kit (upflows). As an alternative a media air filter or electronic air cleaner can be used as the requested filter. Consider installing an air cleaner with deep-pleated media filter at the time of furnace installation.
2. Remove the burner compartment door and move the furnace gas valve manual control to the OFF position. 3. Close the manual gas shutoff valve external to the furnace. 4. Replace the burner compartment door. 1. Turn OFF gas to furnace at the manual gas shutoff valve external to the furnace. 2. Turn off all electrical power to the system. 3.
Temperature Rise INLET Temperature rise must be within the range specified on the unit rating plate. An incorrect temperature rise may result in condensing in or overheating of the heat exchanger. An airflow and temperature rise table is provided in the Specification Sheet applicable to your model. Determine and adjust temperature rise as follows: 1. Operate furnace with burners firing for approximately ten minutes.
Airflow Table GM9C96 MODEL THERMOSTAT CALL *M9C960303AN Y/Y1 , Y2 , G *M9C960403AN Y/Y1 , Y2 , G *M9C960603AN Y/Y1 , Y2 , G *M9C960603BN Y/Y1 , Y2 , G *M9C960803BN Y/Y1 , Y2 , G *M9C960804CN Y/Y1 , Y2 , G *M9C961004CN Y/Y1 , Y2 , G *M9C961005CN Y/Y1 , Y2 , G *M9C961205DN Y/Y1 , Y2 , G TAP # F01 F02 F03 F04 F05 F06 F07 F08 F09 F01 F02 F03 F04 F05 F06 F07 F08 F09 F01 F02 F03 F04 F05 F06 F07 F08 F09 F01 F02 F03 F04 F05 F06 F07 F08 F09 F01 F02 F03 F04 F05 F06 F07 F08 F09 F01 F02 F03 F04 F05
Airflow Table GM9C96 MODEL THERMOSTAT CALL W/W1 *M9C960303AN W2 W/W1 *M9C960403AN W2 W/W1 *M9C960603AN W2 W/W1 *M9C960603BN W2 W/W1 *M9C960803BN W2 W/W1 *M9C960804CN W2 W/W1 *M9C961004CN W2 W/W1 *M9C961005CN W2 W/W1 *M9C961205DN W2 TAP # F01^ F03^^ F04 F02^ F04 F05 F01^ F03^^ F04 F02^ F04 F05 F01^ F03^^ F04 F02^ F04^^ F05 F01^ F03^^ F04 F02^ F04^^ F05 F01^ F03^^ F04 F02^ F04^^ F05 F01^ F03 F04 F02^ F04^^ F05 F01^ F03^^ F04 F02^ F04^^ F05 F01^ F03^^ F04 F02^ F04^^ F05 F01^ F03^^ F04 F02^ F04^^ F0
Airflow Table GC9C96 MODEL THERMOSTAT CALL *C9C960403BN Y/Y1 , Y2 , G *C9C960603BN Y/Y1 , Y2 , G *C9C960803BN Y/Y1 , Y2 , G *C9C961005CN Y/Y1 , Y2 , G TAP # F01 F02 F03 F04 F05 F06 F07 F08 F09 F01 F02 F03 F04 F05 F06 F07 F08 F09 F01 F02 F03 F04 F05 F06 F07 F08 F09 F01 F02 F03 F04 F05 F06 F07 F08 F09 RECOMMENDED AIRFLOW SPEEDS FOR CONNECTION WITH 2 STAGE OUTDOOR MODELS FURNACE MODEL Y2 Y1 *C9C961005CN* F07 F03 0.
*C9C961005CN *C9C960803BN *C9C960603BN *C9C960403BN MODEL W2 W/W1 W2 W/W1 W2 W/W1 W2 W/W1 THERMOSTAT CALL 38 CFM 727 632 878 923 878 1106 1167 680 903 1332 903 1248 1167 733 1217 1317 1217 1300 1366 1295 1634 1833 1634 2028 0.1 RISE 34 N/A 28 39 41 32 32 N/A N/A 40 N/A 43 43 N/A 41 54 58 55 46 48 N/A 48 54 44 CFM 677 574 839 882 839 1076 1118 609 839 1289 839 1204 1124 669 1174 1277 1174 1263 1307 1230 1578 1785 1578 1994 0.
Normal Sequence of Operation speed shall be selected, and control shall the newly selected speed in next heating call. Power Up Note: Always refer to the Heating Chart to choose from available heating speeds. Upon being powered up, the control board will perform internal and polarity checks. The control will display I d L, idle mode until a call from the thermostat is received.
-When the thermostat is satisfied; SINGLE STAGE COOLING SPEED TABLE FOR 2 STAGE IFC • The gas valve is de-energized. • The inducer remains energized for the post purge period (15 seconds). • The indoor blower runs for the selected off delay period (90 seconds by default, adjustable from 30 – 180 seconds). THERMOSTAT CALL AVAILABLE SPEEDS F01 F02 F03 F04 Y2 Call for 2nd Stage Heat During 1st Stage Heat Operation • The control board receives a 24 vac signal on the W2 terminal.
Operational Checks Flame Sensor The burner flames should be inspected with the burner compartment door installed. Flames should be stable, quiet, soft, and blue (dust may cause orange tips but they must not be yellow). Flames should extend directly outward from the burners without curling, floating, or lifting off. Flames must not impinge on the sides of the heat exchanger firing tubes.
Fault Recall WARNING Retrieving Fault Codes Resetting From Lockout HIGH VOLTAGE TO AVOID ELECTRICAL SHOCK, INJURY OR DEATH, DISCONNECT ELECTRICAL POWER BEFORE PERFORMING ANY MAINTENANCE. IF YOU MUST HANDLE THE IGNITER, HANDLE WITH CARE. TOUCHING THE IGNITER ELEMENT WITH BARE FINGERS, ROUGH HANDLING OR VIBRATION COULD DAMAGE THE IGNITER RESULTING IN PREMATURE FAILURE. ONLY A QUALIFIED SERVICER SHOULD EVER HANDLE THE IGNITER.
Flame Sensor (Qualified Servicer Only) WARNING Under some conditions, the fuel or air supply can create a nearly invisible coating on the flame sensor. This coating acts as an insulator causing a drop in the flame sense signal. If the flame sense signal drops too low the furnace will not sense flame and will lock out. The flame sensor should be carefully cleaned by a qualified servicer using steel wool.
2 6ਲ਼ਠਦਤ 6ਲ਼ਠਲ਼ਲ &ਮਣਤਲ Stage Status Codes Menu Description Active Alaram menu Last 6 Faults LED Display Main Menu (U U / ) Option Menu Notes ( xx: code numbers ) (xx (xx ( xx: code numbers ) Code Release Number &U CR Number Reset to Factory Default U )G Blower Speed for Continous Fan Mode )6G )xx Blower Speed for 1st Stage Compressor Mode $& )xx Blower Speed for 2nd Stage Compressor Mode $& )xx Cool On Delay &QG Delay, Seconds Default set at 7 Secs, Adjustments can be made in 7 Sec
Troubleshooting Chart Symptom Normal operation LED Status Fault Description Corrective Actions Symptom Fault Description Corrective Actions Normal operation None LED Status Normal operation Normal operation None Locate and correct gas interruption Furnace fails to operate Furnace fails to operate Furnace lockout due to an excessive number of ignition “retries” (3 total) Failure to establish flame Loss of flame after establishment Check front cover pressure switch operation an
Wiring Diagram RD HI NO C NO GY NO BR 1 WH DISCONNECT FLAME SENSOR PU PK 2 RD 1 JUNCTION BOX GND GND NEUTRAL LINE YL PK BK IND HI FS BR PU COM 3 2 1 6 5 12 9 10 7 4 YL PU 11 8 SW3 PK RIGHT T5 RD BR LEFT T4 BL CENTER T3 RD 3 READ CODES FROM LEFT TO RIGHT PU TWIN E24 OR E21 24V HUM GY GY INTEGRATED CONTROL MODULE 115 VAC 24 VAC W2 W/W1R G C Y/Y1 Y2 3 4 ECM MTR HARNESS WH GN BK RD CIRCULATOR BLOWER Status Internal Faults or IRQ Loss Lockout Due
Special Instructions for Products Installed in the State of Massachusetts 2. Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate from the dwelling, building or structure used in whole or in part for residential purposes.
START-UP CHECKLIST Furnace Model Number Serial Number ELECTRICAL Line Voltage (Measure L1 to N and N to Ground Voltage) L-N N-G R-C Secondary Voltage (Measure Transformer Output Voltage) Blower Amps BLOWER EXTERNAL STATIC PRESSURE Return Air Static Pressure Supply Air Static Pressure Total External Static Pressure (Ignoring +/- from the reading above, add total here) TEMPERATURES Return Air Temperature (Dry bulb / Wet bulb) Cooling Supply Air Temperature (Dry bulb / Wet bulb) Heating Supply Air Temperat
this page intentionally left blank 49
this page intentionally left blank 50
this page intentionally left blank 51
CUSTOMER FEEDBACK We are very interested in all product comments. Please fill out the feedback form on one of the following links: Goodman® Brand Products: (http://www.goodmanmfg.com/about/contact-us). Amana® Brand Products: (http://www.amana-hac.com/about-us/contact-us). You can also scan the QR code on the right for the product brand you purchased to be directed to the feedback page. GOODMAN® BRAND AMANA® BRAND GOODMAN® BRAND AMANA® BRAND PRODUCT REGISTRATION Thank you for your recent purchase.
