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Amana MVM97 Installation Instructions Manual

Modulating gas furnace
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Installation Instructions for
*MVM97 & *CVM97
Modulating Gas Furnace
(Type FSP CATEGORY IV Direct
or Non Direct Vent Air Furnace)
These furnaces comply with requirements
embodied in the American National Stan-
dard / National Standard of Canada ANSI
Z21.47·CSA-2.3 Gas Fired Central Furnaces.
s a professional installer you have an obligation to know the
A
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.
NOTE: Please contact your distributor or our website for
*
the applicable Specification Sheet referred to in this manual.
IOG-2007H
09/2022
Installer:
Affix all manuals
adjacent to the unit.
19001 Kermier Rd., Waller, TX 77484
www.goodmanmfg.com • www.amana-hac.com
© 2021-2022 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 IN-
STALL, ADJUST, SERVICE, MAINTENANCE OR REPAIR
(HEREINAFTER, "SERVICE") THE EQUIPMENT SPECIFIED
IN THIS MANUAL SHOULD
SERVICE THE EQUIPMENT. THE MANUFACTURER WILL
NOT BE RESPONSIBLE FOR ANY INJURY OR PROPERTY
DAMAGE ARISING FROM IMPROPER SERVICE OR SER-
VICE PROCEDURES. IF YOU SERVICE THIS UNIT, YOU AS-
SUME 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 INSTALLATION, ADJUSTMENT, SERVICING,
MAINTENANCE OR REPAIR OF THE EQUIPMENT SPECI-
FIED IN THIS MANUAL, OR ATTEMPTING TO INSTALL, AD-
JUST, SERVICE OR REPAIR THE EQUIPMENT SPECIFIED IN
THIS MANUAL WITHOUT PROPER TRAINING MAY RESULT
IN PRODUCT DAMAGE, PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.
DO NOT BYPASS SAFETY DEVICES
90% HEX
WARNING
WARNING
DO NOT LIFT
PRODUCT USING
HEAT EXCHANGER

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  • Page 1 Installation Instructions for WARNING *MVM97 & *CVM97 ONLY PERSONNEL THAT HAVE BEEN TRAINED TO IN- Modulating Gas Furnace STALL, ADJUST, SERVICE, MAINTENANCE OR REPAIR (HEREINAFTER, “SERVICE”) THE EQUIPMENT SPECIFIED (Type FSP CATEGORY IV Direct IN THIS MANUAL SHOULD or Non Direct Vent Air Furnace) SERVICE THE EQUIPMENT.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS This device, which was assembled by Daikin Comfort Technologies Manufacturing, L.P., contains a component that is classified as an Safety Considerations ......... 4 intentional radiator. This intentional radiator has been certified by the FCC: FCC ID QOQBGM13P. And this international radiator has an Shipping Inspection ..........
  • Page 3 TABLE OF CONTENTS Drain Exiting Right Side ........27 Network troubleshooting ........49 Counterflow Model Installed Horizontally System Troubleshooting ........50 with Right Side Down ........27 Fault Recall Sequence ........50 Counterflow Model Installed Horizontally Fault Clear Sequence: ........50 with Left Side Down ........

  • Page 4: Safety Considerations

    Safety Considerations WARNING Adhere to the following warnings and cautions when install- O PREVENT PERSONAL INJURY OR DEATH DUE TO IMPROPER ing, adjusting, altering, servicing, or operating the furnace. INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE To ensure proper installation and operation, thoroughly read REFER TO THIS MANUAL OR ADDITIONAL ASSISTANCE OR this manual for specifics pertaining to the installation and...

  • Page 5: 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 6: To The Installer

    3. Service integrated control module or connecting wiring following the discharge process in step 2. Use caution not to recharge your body with static electricity; (i.e., do not move or shuffle your feet, do not touch ungrounded objects, etc.). If you come in contact with an ungrounded object, repeat step 2 before touching control or wires.

  • Page 7: Product Application

    Gas Valve This product is dual certified. Dual certification means Gas Line Entrance (Alternate) that the combustion air inlet pipe is optional and the Pressure Switch(es) furnace can be vented as a: Gas Manifold Non-direct vent (single pipe) central forced Combustion Air Intake Connection air furnace in which combustion air is taken from the Hot Surface Igniter...

  • Page 8: Location Requirements & Consideratinos

    NOTE: The Commonwealth of Massachusetts requires WARNING that the following additional requirements must also be met: OSSIBLE PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE TO • Gas furnaces must be installed by a licensed FIRE EXPLOSION SMOKE SOOT CONDENSATION ELECTRICAL SHOCK plumber or gas fitter.

  • Page 9: Clearances And Accessibility

    This protects the non-direct vent furnace from air- borne contaminants. To ensure that the enclosed *MVM97* MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS non-direct vent furnace has an adequate supply of (INCHES) combustion air, air must be ducted in from a near-...

  • Page 10: Existing Furnace Removal

    Installations must adhere to the clearances to combus- 7. Test for spillage from draft hood appliances at the tible materials to which this furnace has been design draft hood relief opening after 5 minutes of main certified. The minimum clearance information for this burner operation.

  • Page 11: Installation Positions

    Recommended Installation Positions Installation Positions Horizontal Applications & Considerations *MVM97 models may be installed upflow or horizontal- When installing a furnace horizontally, additional consid- ly with left or right side down. *CVM97 models may be eration must be given to the following: installed downflow or horizontally with left or right side down.

  • Page 12: Drain Trap And Lines

    Vent/Flue Pipe & Combustion Air Pipe When a furnace is installed horizontally with left side down, the front cover pressure switch tube must be re-lo- This manual will refer to the pipe that discharges prod- cated to the lower port of the collector box cover. ucts of combustion to the outdoors as the “vent”...

  • Page 13: Dual Certification: Non-Direct/Direct Vent

    two-or-three-inch cellular core ABS Schedule 40 pipe must WARNING meet ASTM F628 and, if used in Canada, must be CSA list- ed. Solvent cement for ABS to ABS joints must meet ASTM PON COMPLETION OF THE FURNACE INSTALLATION CAREFULLY D2235 and, if used in Canada, must be CSA listed. The sol- INSPECT THE ENTIRE FLUE SYSTEM BOTH INSIDE AND OUTSIDE OF THE vent cement for the PVC to ABS transition joint must meet FURNACE TO ASSURE IT IS PROPERLY SEALED...

  • Page 14: Termination Locations

    must terminate at least 12 inches from any open- ACCEPTABLE ing through which flue gases may enter a building (door, window, or gravity air inlet). • The vent termination running vertically through a roof must terminate at least 12 inches above the roof line (or the anticipated snow level) and be at least 12 inches from any vertical wall (including TRANSITION NO LESS...
  • Page 15 DIRECT VENT TERMINAL CLEARANCES Canadian Installations U.S. Installations Canadian Installations U.S. Installations Clearance to service 3 ft. (91 cm). A= Clearance above grade, 12 in. (30 cm) 12 in. (30 cm) regulator vent outlet. veranda, porch, deck or J= Clearance to nonmechanical air 6 in.

  • Page 16: Standard Furnace Connections

    The vent can be run through an existing unused chimney Combustion Air Pipe provided the space between the vent pipe and the chim- ney is insulated and closed with a weather-tight, corro- Direct Vent Installations sion-resistant flashing. Standard Furnace Connections On upflow units secure the combustion air intake pipe to the air intake coupling by using a take apart rubber It is the responsibility of the installer to ensure that the...
  • Page 17 Insert flange. Cut 2 ½” long. R 000142 Vent/Flue Pipe Cuts Figure 11 1. Remove screws from vent flange. 2. Remove internal elbow and vent pipe. 3. Cut pipe 2 1/2” from flange. 4. Remove cabinet plug adjacent to inducer outlet and Figure 10 install an original cabinet vent hole.
  • Page 18 Alternate Combustion Air Provision 4. 2 1/2” or 3” diameter pipe can be used in place of 2” diameter pipe. (Upflow / Horizontal models only) 5. Increased Clearance Configurations using (2) 45 deg. elbows should be considered equivalent to one 90 When using the alternate venting location, either in a hor- deg.

  • Page 19: Vent/Intake Terminations For Installation Of Multiple Direct Vent Furnaces

    12" MIN. VENT/FLUE TEE ( OPTIONAL) 45° ELBOW TURNED DOWN or 90° ELBOW TURNED DOWN 12" MIN. ABOVE HIGHEST ANTICIPATED SNOW LEVEL Horizontal Termination (Single Pipe) Above Highest Anticipated Snow Level Figure 15 Alternate Horizontal Vent Termination (Dual Pipe) Vent/Flue & Combustion Air Pipe Lengths & Figure 17 Diameters If there is a difference between the vent and combustion...

  • Page 20: Concentric Vent Termination

    clearances as in the following figure. Always terminate all exhaust vent outlets at the same elevation and always Follow the bullets listed below when installing the drain terminate all air intakes at the same elevation. system. Refer to the following sections for specific de- tails concerning furnace drain trap installation and drain hose hook ups.

  • Page 21: Upflow Model Installed Vertically

    Hose #1 Hose #2 45 degree 45 degree barb-pipe barb-pipe adapter adapter Coupling Installer selects right or left side drain 100 Degree Elbow and installs this hose accordingly. Figure 21 NOTE: Drain components shown Figure 23 for information purposes only. For Horizontal Installa- tions, a Horizontal Drain Kit may be needed.

  • Page 22: Upflow Model Installed Horizontally With Right Side Down

    tions on field supplied / installed drain on outlet of fur- nace trap. Upflow Model Installed Horizontally with Right Upflow Model Installed Horizontally with Left Side Down Side Down Minimum 5 1/2” clearance is required for the drain trap beneath the furnace. Minimum 5 1/2”...

  • Page 23: Upflow Model Installed Horizontally With Left Side Down - Alternate

    12. Install the non-grommet end of hose #11 from outside 8. (Draining the Collector Box) Remove cap from left the cabinet in the upper drain hole. Install on collec- side collector box drain port (bottom in horizontal tor box and secure with a silver clamp. left position) and install it on right side (top) collector 13.

  • Page 24: Drain Exiting Right Side

    Counterflow Model Installed Horizontally with Right Side Down Minimum 5 1/2” clearance is required for the drain trap beneath the furnace. NOTE: For horizontal installations, some of the required Drain Exiting Right Side hoses are found in the factory-installed hose assemblies. Remove the hose clamps to obtain the respective hos- es needed for installation, and install per the following directions.

  • Page 25: Counterflow Model Installed Horizontally With Left Side Down

    Counterflow Model Installed Horizontally with 12. Insert 100º elbow in hose #5 and secure with a red Left Side Down clamp. 13. Locate hose #4 and cut a cut off a 4” straight section Minimum 5 1/2” clearance is required for the drain trap and discard the radius end.

  • Page 26: Junction Box Relocation

    1. Remove the burner compartment door. Use a separate fused branch electrical circuit containing 2. Remove and save the two screws securing the junc- properly sized wire, and fuse or circuit breaker. The fuse tion box to the side panel. or circuit breaker must be sized in accordance with the 3.

  • Page 27: Single-Stage Heating Thermostat Application

    This allows the furnace to support the following system IMPORTANT NOTE applications: ‘Two-Stage Heating Only’, ‘Two-Stage Heat- ing with Single Stage Cooling’, and ‘Two-Stage Heating , DIP O USE A SINGLE STAGE HERMOSTAT SWITCH ON THE with Two-Stage Cooling’. Refer to the following figures FURNACE CONTROL BOARD MUST BE SET TO THE POSITION for proper connections to the integrated control module.

  • Page 28: Fossil Fuel Applications

    To install/connect a dehumidistat: Turn OFF power to the furnace before installing any 1. Turn OFF power to furnace. accessories. Follow the humidifier or air cleaner manu- 2. Secure the dehumidistat neutral wire (typically the facturers’ instructions for locating, mounting, grounding, white lead) to the terminal marked “DEHUM”...

  • Page 29: High Altitude Derate

    Gas Supply and Piping For furnaces being converted to LP gas, it is strongly rec- ommended that a LPLP03 kit also be installed. The use of this kit will prevent the furnace from firing when the LP The furnace rating plate includes the approved furnace gas supply pressure is too low to support proper combus- gas input rating and gas types.

  • Page 30: Gas Piping Connections

    Gas Piping Connections • Use pipe joint compound on male threads ONLY. Always use pipe joint compound (pipe dope) that is APPROVED FOR ALL GASES. DO NOT apply compound WARNING to the first two threads. • Use ground joint unions. O AVOID POSSIBLE UNSATISFACTORY OPERATION OF EQUIPMENT •...
  • Page 31 Gas Piping Connections Manual Shut Off Valve (upstream from Manual Shut Off Valve Alternate Burners Manifold ground joint (upstream from Gas Line pipe union) ground joint Location pipe union) Gas Valve *Ground Joint *Ground Pipe Joint Union Pipe Union Drip Leg Grommet in Standard Gas Line...

  • Page 32: Propane Gas Tanks And Piping

    A gas detecting warning system is the only reliable way WARNING to detect a propane gas leak. Rust can reduce the level of odorant in propane gas. Do not rely on your sense of DGES OF SHEET METAL HOLES MAY BE SHARP SE GLOVES AS A smell.

  • Page 33: Circulating Air & Filters

    Circulating Air & Filters Example: Duct work - Air Flow static reading from return duct = -0.1” W.C. static reading from supply duct = +0.3” W.C. Duct systems and register sizes must be properly de- signed for the CFM and external static pressure rating of total external static pressure on this system = 0.4”...

  • Page 34: Filters - Read This Section Before Installing The Return Air Duct Work

    opening using a pair of seamer pliers or seamer tongs. Consider installing an air cleaner with deep-pleated me- NOTE: Airflow area will be reduced by approximately 18% dia filter at the time of furnace installation. A deep-pleat- if duct flanges are not folded open. This could cause per- ed filter with a MERV rating of 8 (minimum) will often formance issues and noise issues.

  • Page 35: Upright Installations

    Air cleaner installation location Maximum Heating Airflow Filter (Media) Dimensions Part Number Cleaner Family Si de or bottom return 1200 CFM 16 i n X 20 i n x 5¼" AM11-1620-5 Si de or bottom return 1600 CFM 16 i n X 25 i n x 5¼" AM11-1625-5 AM11-5 Si de or bottom return...

  • Page 36: Horizontal Installations

    • After 2 minutes, the furnace control board increases FILTER the firing rate to 57% at a rate of 1% per second. ACCESS DOOR • After 10 total minutes, the furnace control board increases the firing rate to 78% at a rate of 1% per second.

  • Page 37: Heating Operation With Ctk01 Thermostat (Communicating)

    Call for 2nd-Stage Heat - Thermostat contacts close R to • After 2 minutes, the furnace control board accepts W1 and W2. the specific heat requested demand. • If the differential is equal to or less than 2 degrees, After a successful Light Off Sequence and expiration of the furnace control board will follow the conventional the Ignition Stabilization Period: 2-Stage algorithm, equivalent to a W1 request and be...

  • Page 38: Gas Supply Pressure Measurement

    Furnace Startup The line pressure supplied to the gas valve must be within the range specified in the Inlet Gas Supply Pressure table. The supply pressure can be measured at the gas valve 1. Close the manual gas shutoff valve external to the inlet pressure tap or at a hose fitting installed in the gas furnace.

  • Page 39: Gas Manifold Pressure Measurement

    NOTE: If measuring gas pressure at the drip leg or Honey- The manifold pressure must be measured with the burners well VR9205R gas valve, a field-supplied hose barb fitting operating. To measure the manifold pressure, use the must be installed prior to making the hose connection. following procedure: 3.

  • Page 40: Gas Input Rate Measurement (Natural Gas Only)

    Determine and adjust temperature rise as follows: Manifold Gas Pressure 1. Operate furnace with burners firing for approximate- Range Nom inal ly ten minutes. Ensure all registers are open and all Natural High Stage 3.2 - 3.8" w .c. 3.5" w .c. duct dampers are in their final (fully or partially open) Propane High Stage...

  • Page 41: Circulator Blower Speeds

    Circulator Blower Speeds 100% Low heat High Stage M odel Stage Heat CFM for Cool WARNING Cool *CFM 2 stage O AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK 1059 TURN POWER TO THE FURNACE BEFORE CHANGING SPEED TAPS *MVM970603BN* 1007 1158...

  • Page 42: Blower Heat Off Delay Timings

    • Profile A provides only an OFF delay of one (1) minute home. The speeds available allow the blower perfo at 100% of the cooling demand airflow. mance to be optimized for the particular needs of the installation. 100% CFM 100% CFM Blower Heat Off Delay Timings 1 min...

  • Page 43: Airflow Considerations

    This two-way digital communications between the ther- conditioner or heat pump installation manual for the air- mostat and subsystems (indoor/outdoor unit) is the key flow delivered during cooling or heat pump heating. to unlocking the benefits and features of the ComfortNet In continuous fan mode, the CTK0* thermostat provides system.

  • Page 44: Comfortnet™ System Advanced Features

    Two-Wire Outdoor, Four-Wire Indoor Wiring CTK0* Thermostat As few as two wires can be utilized between the indoor and outdoor units. For this wiring scheme, only the 4-Pin (X2), 7 Pin, or 9 Pin Connector data lines, 1 and 2, are needed between the indoor and outdoor units.

  • Page 45: Dip Switches

    DIP Switches...

  • Page 46: Network Troubleshooting

    CTKO* 1 & 2 Thermostat ComfortNet Compatible Furnace Integrated Control Module ComfortNet Compatible AC/HP Integrated Control Module System Wiring using Four-Wires Diagnostics position for furnace control board bias and pull up/ pull down DIP switches. Communications is achieved by the difference between two DC signals. The signals and Accessing the furnace’s diagnostics menu provides ready transmission lines are referred to as “data 1”...

  • Page 47: System Troubleshooting

    LED Status Indication Possible Causes Corrective Action(s) Notes & Cautions •   Normal condition •   None •   None •   None 2 Flashes •   Out-of-box reset •   Control power up •   None •   None Communications •   Learn button depressed Rapid Flashing •   Normal network traffic •   Control is “talking” on •  ...

  • Page 48: Cooling Mode

    • The percentage of heating demand is sent from the • Circulator blower continues running during a cool off furnace control board to determine what RPM the delay period. The OFF delay time and airflow level draft inducer should run at. A higher percentage are determined by the selected ramping profile.

  • Page 49: Furnace Control Board

    Furnace Control Board • Circulator blower runs, integrated control module monitors safety circuits continuously. • R and G thermostat contacts open, completing the The furnace control board is an electronic device which, call for fan. if a potential safety concern is detected, will take the •...

  • Page 50: Rollout Limit

    Auxiliary Limit 3. Service integrated control module or connecting wiring following the discharge process in step 2. Use caution not to recharge your body with static elec- The auxiliary limit controls are located on or near the tricity; (i.e., do not move or shuffle your feet, do not circulator blower and monitors blower compartment touch ungrounded objects, etc.).

  • Page 51: Maintenance

    Maintenance Filter Removal Depending on the installation, differing filter arrange- WARNING ments can be applied. Filters can be installed in either O AVOID ELECTRICAL SHOCK INJURY OR DEATH the central return register or a side panel external filter DISCONNECT ELECTRICAL POWER BEFORE PERFORMING ANY rack (upflow only).

  • Page 52: Flame Sensor (Qualified Servicer Only)

    Flame Sensor (Qualified Servicer Only) Under some conditions, the fuel or air supply can create a nearly invisible coating on the flame sensor. This coat- ing 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.

  • Page 53: Troubleshooting Codes

    Troubleshooting Codes...
  • Page 54 Troubleshooting Codes...
  • Page 55 Troubleshooting Codes...
  • Page 56 Troubleshooting Codes...
  • Page 57 Troubleshooting Codes...

  • Page 58: Status Codes

    Status Codes NO POWER NORMAL OPERATION INDICATES AIRFLOW, FOLLOWED BY CFM BLOWER MOTOR NOT RUNNING BLOWER COMMUNICATION ERROR BLOWER HP MIS-MATCH BLOWER MOTOR OPERATING IN POWER, TEMPERATURE, OR SPEED LIMIT BLOWER MOTOR CURRENT TRIP OR LOST ROTOR BLOWER MOTOR LOCKED ROTOR BLOWER OVER/UNDER VOLTAGE TRIP OR OVER TEMPERATURE TRIP INCOMPLETE PARAMETERS SENT TO MOTOR LOW INDOOR AIRFLOW...

  • Page 59: Wiring Diagram

    Wiring Diagram *MVM97_A* , *CVM97_A* DOOR SWITCH JUNCTION BOX INDUCTOR COIL (ON SOME MODELS) INDOOR CIRCULATOR BLWR LINE NEUTRAL ELECTRONIC AIR CLEANER OPTIONAL 3Ø ID BLWR NEUTRAL HUMIDIFIER OPTIONAL NEUTRAL HOT SURFACE IGNITER NEUTRAL LINE DIAGNOSTIC LED'S 40 VA FUSE 3A TR (5) TRANSFORMER 24 VAC...

  • Page 60: Special Instructions For Products Installed In The State Of Massachusetts

    Special Instructions for Products Installed in the State of Massachusetts For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust VENT/FLUE vent termination is less than seven (7) feet above finished grade in the area of the venting, including but not limited to decks...
  • Page 61 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 ®...

This manual is also suitable for:

Cvm97

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