Goodman GMV95 Installation Instructions Manual
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Goodman GMV95 Installation Instructions Manual

Goodman GMV95 Installation Instructions Manual

Two-stage gas-fired warm air furnace
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T
-S
WO
TAGE
(Type FSP CATEGORY IV Direct or Non Direct Vent Air Furnace)
ATTENTION INSTALLING PERSONNEL
As a professional installer you have an obligation to know the product better than the customer. This includes all safety
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
Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct a
Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of specific good safety
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.
IO-280G
GMV95/GCV9
G
-F
AS
I
NSTALLATION
Installer: Affix all manuals adjacent to the unit.
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.
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
precautions and related items.
when the unit is in operation.
customer in its safe use.
practices...follow them.
*NOTE: Please contact your distributor or our
website for the applicable Specification Sheet
referred to in this manual.
Goodman Manufacturing Company, L.P.
5151 San Felipe, Suite 500, Houston, TX 77056
www.goodmanmfg.com
2004-2007 Goodman Manufacturing Company, L.P.
©
W
IRED
ARM
I
NSTRUCTIONS
A
F
IR
URNACE
®
US
C
7/07

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  • Page 1 *NOTE: Please contact your distributor or our website for the applicable Specification Sheet referred to in this manual. Goodman Manufacturing Company, L.P. 5151 San Felipe, Suite 500, Houston, TX 77056 www.goodmanmfg.com 7/07 IO-280G 2004-2007 Goodman Manufacturing Company, L.P. ©...

  • Page 2: Table Of Contents

    Table of Contents I. Component Identification ............................... 5 II. Safety ....................................6 (ESD) P ....................6 LECTROSTATIC ISCHARGE RECAUTIONS III. Product Application ..............................6 IV. Location Requirements & Considerations ........................7 ................................. 7 ENERAL ........................... 8 LEARANCES AND CCESSIBILITY ............................8 URNACE USPENSION ..........................
  • Page 3 Table of Contents XIV. Startup Procedure & Adjustment ..........................28 ..........................28 NTICIPATOR ETTING ............................28 RAIN RIMING ............................28 URNACE PERATION ......................28 UPPLY RESSURE EASUREMENT .................. 29 ANIFOLD RESSURE EASUREMENT AND DJUSTMENT ) ..................29 NPUT EASUREMENT ATURAL ............................
  • Page 4 NSTALLER WARNING Before installing this unit, please read this manual thoroughly to familiarize yourself with specific items which must be adhered to, F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED including but not limited to: unit maximum external static pressure, EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY gas pressures, BTU input rating, proper electrical connections, cir-...

  • Page 5: Component Identification

    I. COMPONENT IDENTIFICATION 9 10 CF M 4 321 OF F CU T FO R 4 321 DE HU M Intell-Ignition TS TA T OF F Counterflow/Horizontal Upflow/Horizontal Two-Stage Gas Valve 22 Drain Trap Gas Line Entrance (Alternate) 23 Blower Door Interlock Switch Pressure Switch(es) 24 Inductor (Not All Models) Gas Manifold...

  • Page 6: Safety

    II. SAFETY 4. Discharge your body to ground before removing a new control from its container. Follow steps 1 through 3 if Please adhere to the following warnings and cautions when in- installing the control on a furnace. Return any old or new stalling, adjusting, altering, servicing, or operating the furnace.

  • Page 7: Location Requirements & Considerations

    NOTE: Do not connect the temporary duct directly to the IV. LOCATION REQUIREMENTS & CONSIDERATIONS furnace. The duct must be sized according to the ENERAL instructions under Section V, Combustion and Ventilation Air Requirements, Section 5.3.3. WARNING • The furnace heat exchanger, components, duct system, air filters and evaporator coils are thoroughly cleaned following final construction clean up.

  • Page 8: Clearances And Accessibility

    deicing salts or chemicals mum clearances to combustible surfaces. One of the ventilation openings must be within 12 inches of the top; the other opening carbon tetrachloride must be within 12 inches of the bottom of the confined space. In a halogen type refrigerants typical construction, the clearance between the door and door frame cleaning solutions (such as perchloroethylene)

  • Page 9: Thermostat Location

    g. If improper venting is observed during any of the above tests, the 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 common venting system must be corrected. supply of combustion and ventilation air for the other appliances.
  • Page 10 volume of all spaces meets the criteria for an unconfined space. The Chimney or Gas Vent total input of all gas utilization equipment installed in the combined Ventilation louvers (each end of attic) space shall be considered in making this determination. Each open- NOTE: The inlet and outlet air ing shall have a minimum free area of 1 square inch per 1,000 BTU openings must each have a free...

  • Page 11: Installation Positions

    FU RN AC E M U ST BE LEVEL 5. When directly communicating with the outdoors, the single open- FR O M E ND TO END ing shall have a minimum free area of 1 square inch per 3,000 ALTER NA TE V EN T/FLU E FUR N ACE M U ST BE LEVE L AN D C O M B USTIO N AIR BTU per hour of total input rating of all equipment in the enclo-...

  • Page 12: Drain Pan

    for the natural reduction in the density of both the gas fuel and the ALTERNATE FLUE AND DISCHARGE COMBUSTION AIR PIPE combustion air at higher altitude. LOCATIONS For installations above 7000 feet, please refer to your distributor for required kit(s). Side Side Return...

  • Page 13: Materials And Joining Methods

    air intake pipe (when applicable) terminations. Refer to Non-Di- ATERIALS AND OINING ETHODS rect Vent (Single Pipe) Piping and Direct Vent (Dual Pipe) Piping located in this section for specific details on termination construc- WARNING tion. • All terminations (flue and/or intake) must be located at least 12 inches above ground level or the anticipated O AVOID BODILY INJURY FIRE OR EXPLOSION...

  • Page 14: Standard Furnace Connections

    TANDARD URNACE ONNECTIONS IRECT NSTALLATIONS A minimum of one 90° elbow should be installed on the combus- It is the responsibility of the installer to ensure that the piping tion air intake “coupling” to guard against inadvertent blockage. connections to the furnace are secure, airtight, and adequately supported.
  • Page 15 Cut the vent/flue pipe 3.75 inches from the blower deck REMOVE REMOVE coupling. See Vent/Flue Pipe Cuts figure. Save vent/flue pipe REMOVE REMOVE 4 SCREWS PIPE PIPE 4 SCREWS attached to blower deck coupling for use in the alternate REMOVE location.

  • Page 16: Non -Direct Vent (Single Pipe ) Piping

    Counterflow units. Pipe) Piping - Vent/Flue Pipe Terminations for specific details on termination construction. Remove plastic plug from alternate combustion air intake Although non-direct vent installations do not require a combustion location. Relocate and install plug in standard air intake air intake pipe, a minimum of one 90°...

  • Page 17: Direct Vent (Dual Pipe ) Piping

    diameter pipe. To secure the pipe passing through the wall and Direct vent installations require both a combustion air intake and a prohibit damage to piping connections, a coupling should be in- vent/flue pipe. The pipes may be run horizontally and exit through stalled on either side of the wall and solvent cemented to a length the side of the building or run vertically and exit through the roof of of pipe connecting the two couplings.

  • Page 18: Vent /Intake Terminations For Installation Of Multiple Direct Vent Furnaces

    3) Minimum requirements for each Vent/Flue & Combustion Air Intake pipe is five (5) feet in length and one elbow/tee. 90° 4) 3” diameter pipe can be used in place of 2” diameter pipe. MEDIUM RADIUS 5) Increased Clearance Configurations using (2) 45 deg. Long Sweep ELBOW elbows should be considered equivalent to one 90 deg.

  • Page 19: Concentric Vent Termination

    PRIGHT NSTALLATIONS Vents 90° In an upright installation drain hoses are connected to drain ports Medium Radius Elbows on the rubber elbow and the recuperator coil front cover. The drain lines are then routed through the right or left side panel and into the drain trap secured to the outside of the cabinet.

  • Page 20: Orizontal Nstallations

    drainage and are not kinked or binding. LEFT SIDE PANEL FRONT COVER RUBBER DRAIN PORT ELBOW RUBBER ELBOW RUBBER (EXTERNALLY ELBOW RED HOSE RUBBER MOUNTED) DRAIN PORT CLAMP FRONT COVER ELBOW DRAIN PORT DRAIN PORT HOSE A RED HOSE CLAMP RED HOSE SIDE PANEL CLAMP...

  • Page 21: Electrical Connections

    5. Secure the short end of Hose B to rubber elbow side drain port using a green hose clamp. NOTE: For left side drainage, FRONT COVER DRAIN PORT route hose to far left (down) side panel grommet holes. RED HOSE NOTE: Horizontal left side connections (when using new CLAMP HOSE A...

  • Page 22: 115 Volt Line Connections

    115 V all the way back to the electrical panel. NOTE: Do not use gas ONNECTIONS piping as an electrical ground. To confirm proper unit grounding, Before proceeding with electrical connections, ensure that the sup- turn off the electrical power and perform the following check. ply voltage, frequency, and phase correspond to that specified on 1.

  • Page 23: Single -Stage Thermostat Application

    5. Turn ON power to furnace. Thermostat To enable the dehumidify function on the integrated control mod- Two-Stage Heating with ule: Two-Stage Cooling 1. Cut the jumper wire labeled “CUT FOR DEHUM” located adjacent to the DEHUM screw terminal. Once the jumper wire is cut, the dehumidify function is enabled during a combination call for cooling (T-Stat) and dehumidification (Dehum-Stat).

  • Page 24: Volt Humidifier

    LTITUDE ERATE When this furnace is installed at high altitude, the appropriate High 12 CIRCUIT 12 CIRCUIT CONNECTOR CONNECTOR Altitude orifice kit must be applied. This is required due to the natural reduction in the density of both the gas fuel and combus- tion air as altitude increases.
  • Page 25 When sizing a trunk line, be sure to include all appliances which • Connect the furnace to the building piping by one of the will operate simultaneously when sizing a trunk line. following methods: The gas piping supplying the furnace must be properly sized based –...

  • Page 26: Propane Gas Tanks And Piping

    2. Proper pressure regulation. (Two-stage regulation is NDIRECT LTERNATE NLET IPING recommended for both cost and efficiency). When gas piping enters indirectly to the gas valve through the 3. Pressure drop in lines between regulators, and between alternate gas inlet hole the following fittings (starting from the gas second stage regulator and the appliance.

  • Page 27: Circulating Air & Filters

    viewed for visual light inspection or such that a sampling probe XIII. CIRCULATING AIR & FILTERS can be inserted into the airstream. The access panel must be made to prevent air leaks when the furnace is in operation. UCTWORK When the furnace is heating, the temperature of the return air en- Duct systems and register sizes must be properly designed for the tering the furnace must be between 55°F and 100°F.

  • Page 28: Upright Installations

    3. Set the room thermostat to the lowest possible setting. PRIGHT NSTALLATIONS 4. Remove the burner compartment door. Depending on the installation and/or customer preference, differ- ing filter arrangements can be applied. Filters can be installed in NOTE: This furnace is equipped with an ignition device which the central return register or a side panel external filter rack kit automatically lights the burner.

  • Page 29: Gas Manifold Pressure Measurement And Adjustment

    5. Turn OFF gas to furnace at the manual shutoff valve and Open to Atmosphere disconnect manometer. Reinstall plug before turning on gas to furnace. High Fire Regulator Outlet Adjust Regulator 6. Turn OFF any unnecessary gas appliances stated in step Pressure Boss Vent ANIFOLD...

  • Page 30: Circulator Blower Speeds

    1. Turn OFF the gas supply to all other gas-burning appliances 3. Subtract the return air temperature from the supply air except the furnace. temperature to determine the air temperature rise. Allow adequate time for thermometer readings to stabilize. 2. While the furnace is operating, time and record one complete revolution of the smallest gas meter dial.
  • Page 31 furnace for a minimum of 10 seconds, allowing motor to • Profile A provides only an OFF delay of one (1) minute at reset and recognize new speed selection. Turn on power 100% of the cooling demand airflow. to furnace. Verify CFM by counting the number of times the green CFM LED blinks.

  • Page 32: Blower Heat Off Delay Timings

    • Profile D ramps up to 50% of the demand for 1/2 minute, Heat Off then ramps to 82% of the full cooling demand airflow and Delay operates there for approximately 7 1/2 minutes. The motor 90 Seconds then steps up to the full demand airflow. Profile D has a 1/ 2 minute at 50% airflow OFF delay.

  • Page 33: Cooling Mode

    • Electronic air cleaner terminals and circulator blower are • Furnace runs, integrated control module monitors safety de-energized. circuits continuously. • Furnace awaits next call from thermostat. • If the two-stage thermostat changes the call from low heat to high heat, the integrated control module will immediately switch the induced draft blower, gas valve, and circulator The normal operational sequence in fan only mode is as follows: blower to their high stage settings.

  • Page 34: Auxiliary Limit

    Refer to the Troubleshooting Chart at the end of this manual for UXILIARY IMIT assistance in determining the source of unit operational problems. The auxiliary limit controls are located on or near the circulator The red diagnostic LED blinks to assist in troubleshooting the unit. blower and monitors blower compartment temperatures.

  • Page 35: Filters

    ILTERS LAME ENSOR UALIFIED ERVICER Under some conditions, the fuel or air supply can create a nearly invisible coating on the flame sensor. This coating acts as an CAUTION insulator causing a drop in the flame sense signal. If the flame sense signal drops too low the furnace will not sense flame and O ENSURE PROPER UNIT PERFORMANCE ADHERE TO THE FILTER...

  • Page 36: Before Leaving An Installation

    3. Grasp lower portion of filter and lift up. Front of Furnace Front of Furnace Blower Blower Grab Here And Lift 4. Angle filter toward the blower until filter clears bottom rail. 5. Lower filter down and pull outward. Front of Furnace Front of Furnace Blower Blower...

  • Page 37: Troubleshooting Chart

    TROUBLESHOOTING CHART Associated Symptoms of Abnormal Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code • Assure 115 and 24 volt • Furnace fails to operate. NONE • No 115 volt power to • Manual disconnect switch •...
  • Page 38 TROUBLESHOOTING CHART Associated Symptoms of Abnormal Fault Description(s) Possible Causes Corrective Action Cautions and Notes Operation LED Code • Circulator blower runs • Primary or auxiliary • Check filters and • Turn power OFF • Insufficient conditioned air continuously. No furnace limit circuit is open.

  • Page 39: Wiring Diagram

    HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
  • Page 40 5151 San Felipe, Suite 500 Houston, TX 77056 www.goodmanmfg.com © 2004-2007 Goodman Manufacturing Company, L.P.

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