Trane R8GD Series Installation Instructions Manual
Trane R8GD Series Installation Instructions Manual

Trane R8GD Series Installation Instructions Manual

Single package gas heating / electric cooling
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*R8GD / PPG3GD SERIES
INSTALLATION INSTRUCTIONS
Single Package Gas Heating / Electric Cooling
Premium Model Shown
WARNING:
FIRE OR EXPLOSION HAZARD
• Failure to follow safety warnings exactly could
result in serious injury or property damage.
• Installation and service must be performed
by a qualified installer, service agency or the
gas supplier.
• Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Leave the building immediately.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the
fire department.
DO NOT DESTROY THIS MANUAL. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
AVERTISSEMENT
RISQUE D'INCENDIE OU D' EXPLOSION
• Le non-respect des avertissements de
sécurité pourrait entraîner des blessures
graves, la mort ou des dommages matériels.
• L'installation et l'entretien doivent être
effectués par un installateur qualifié, un
organisme de service ou le fournisseur de
gazstaller, service agency or the gas supplier.
• Ne pas entreposer ni utiliser de l'essence ni
d'autres vapeurs ou liquides inflammables
dans le voisinage de cet appareil, ni de tout
autre appareil.
QUE FAIRE S'IL Y A UNE ODEUR DE GAZ
• Ne pas tenter d'allumer aucun appareil.
• Ne toucher à aucun interrupteur électrique;
n'utiliser aucun téléphone dans le bâtiment.
• Évacuer l'immeuble immédiatement.
• Appeler immédiatement le fournisseur de
gaz en employant le téléphone d'un voisin.
Respecter à la lettre les instructions du
fournisseur de gaz.
• Si personne ne répond, appeler le service des
incendies.
13 SEER / 80% AFUE

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Summary of Contents for Trane R8GD Series

  • Page 1 *R8GD / PPG3GD SERIES 13 SEER / 80% AFUE INSTALLATION INSTRUCTIONS Single Package Gas Heating / Electric Cooling Premium Model Shown WARNING: AVERTISSEMENT RISQUE D’INCENDIE OU D’ EXPLOSION FIRE OR EXPLOSION HAZARD • Le non-respect des avertissements de • Failure to follow safety warnings exactly could sécurité...
  • Page 2: Table Of Contents

    TAbLE OF CONTENTS IMPORTANT SAFETY INFORMATION .......3 STARTUP & ADJUSTMENTS ........16 Pre - Start Checklist ..........16 REQUIREMENTS & CODES ........4 Start-up Procedure ..........16 Air Circulation ............16 GENERAL INFORMATION ..........5 System Cooling ............ 16 Before You Install this Unit .........5 System Heating ............
  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION WARNING: Please read all instructions before servicing this equipment. Pay attention to all safety warnings and any other special PROPOSITION 65 WARNING: This product notes highlighted in the manual. Safety markings are contains fiberglass wool, a product known used frequently throughout this manual to designate a to the state of California to cause cancer.
  • Page 4: Requirements & Codes

    • Use only with the type of gas approved for this unit. thoroughly understand the instructions provided with the equipment prior to performing the installation and Refer to the unit rating plate. • Provide adequate combustion and ventilation air to the operational checkout of the equipment.
  • Page 5: General Information

    Locating the Equipment GENERAL INFORMATION • Select a solid, level position, preferably on a concrete This Single Package Gas Heating / Electric Cooling slab, slightly above the grade level, and parallel to the Unit is designed only for outdoor rooftop or ground level home.
  • Page 6: Combustion Air & Venting Requirements

    COMbUSTION AIR & VENTING REQUIREMENTS WARNING: AVERTISSEMENT: RISQUE D’EMPOISONNEMENT AU CARbON MONOXIDE POISONING HAZARD MONOXYDE DE CARbONED Failure to follow the steps outlined below for each appliance connected to the venting system Le non-respect des consignes suivantes portant being placed into operation could result in carbon sur chacun des appareils raccordés au système monoxide poisoning or death.The following steps d’évacuation mis en service pourrait entraîner...
  • Page 7: General Information

    General Information A vent cover assembly has been supplied with the unit. and can be found secured to the gas controls within the control area of this unit. The vent cover assembly WARNING: must be installed to assure proper operation of the Installation methods other than those described unit.
  • Page 8: Circulating Air Supply

    CIRCULATING AIR SUPPLY must be designed so that the return air to the unit is not less than 50° F (10° C) during heating operation. WARNING: Air Filter Requirements Products of combustion must not be allowed to WARNING: enter the return air ductwork or the circulating air supply.
  • Page 9: Unit Installation

    Ground Level UNIT INSTALLATION Ground level installations must be located according to Packaging Removal local building codes or ordinances and these requirements: Remove the shipping carton and User’s Manual from the • Clearances must be in accordance with those shown equipment.
  • Page 10: Electrical Wiring

    ELECTRICAL WIRING WARNING: ELECTRICAL SHOCK,FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage. Improper servicing could result in dangerous operation, serious injury, death or property damage. • Before servicing, disconnect all electrical power to furnace.
  • Page 11: Pre-Electrical Checklist

    Pre-Electrical Checklist Thermostat / Low Voltage Connections √ Verify the voltage, frequency, and phase of the supply • This unit is designed to operate from a 24 VAC Class source match the specifications on the unit rating plate. II control circuit. A single stage cooling / single stage √...
  • Page 12: Blower Speed

    is selected using the jumper on the control board (factory setting). NOTE 2: When 3-SPD mode is selected, the FAN speed Optional, Refer to is energized and may be different than the heating or Thermostat Instructions cooling speed. If no jumper is present, the control defaults to the 2-SPD HEAT speed mode of operation.
  • Page 13: Gas Supply & Piping

    • All gas piping must be installed in compliance with GAS SUPPLY & PIPING local codes and utility regulations. In the absence of local codes the gas line installation must comply WARNING: with the latest edition of the National Fuel Gas Code ANSI Z223.1 or CAN/CGA B149 Installation Codes.
  • Page 14: High Altitude Conversion - Natural Gas

    LP / Propane Gas Conversion adequately and must be retightened. Repeat the tightening and soap check process until bubbling ceases. WARNING: • If pressure testing the gas supply lines at pressures greater than 1/2 psig (14 inches WC), the unit must This unit was equipped at the factory for use be disconnected from the gas supply piping system with natural gas only.
  • Page 15 Shut-Off Valve with 1 /8 NPT Automatic Gas Valve plugged tap (with manual shut-off) Some utilities require Shut-Off Valve to be 4 to 5 feet above floor Burner Ground Assembly Dripleg Joint Union Manifold Figure 7. Typical Gas Hookup - Right Side Entry ALTITUDE AbOVE SEA LEVEL Natural Gas zero to 1,999...
  • Page 16: Startup & Adjustments

    START UP & ADJUSTMENTS System Cooling 1. Set the thermostat’s system mode to COOL and the Pre-Start Check List fan mode to AUTO. Gradually lower the thermostat √ Verify the unit is level and allows condensate to drain. temperature setpoint below room temperature and verify √...
  • Page 17: Verifying & Adjusting Firing Rate

    Manifold Pressure Adjustment The integrated control starts the circulating air blower 30 seconds after the gas valve is opened. The control is The manifold pressure must be set to the appropriate value for your installation. To adjust the manifold pressure: factory wired to turn the blower motor off 90 - 135 seconds after the gas valve is closed.
  • Page 18: Verifying Burner Operation

    Verifying Burner Operation OPERATING SEQUENCE The operating sequences for the heating, cooling, and WARNING: fan modes are described below. Refer to the field and unit wiring diagrams (Figures 11 & 12, pages 27 & 28). Uninsulated live components are exposed when Heating Mode louvered control access panel is removed.
  • Page 19: Cooling Mode

    11. The inducer motor will continue to run for the post EQUIPMENT MAINTENANCE purge period of 25 seconds. 12. The main blower will continue to run for the BLOWER WARNING: OFF delay of 90 - 135 seconds. 13. After the BLOWER OFF timer has been satisfied, the ELECTRICAL SHOCK,FIRE OR EXPLOSION integrated control de-energizes the main circulating HAZARD...
  • Page 20: Cleaning Of Heat Exchanger

    5. Disconnect the wires from the gas valve, ignitor, flame CAUTION: sensor, combustion air motor, flame roll-out control, over-temperature limit switch, and pressure switch. The unit should never be operated without a 6. Remove the silicone rubber tube from the collector pan filter in the return air system.Replace disposable to the pressure switch.
  • Page 21: Component Functions

    TROUbLESHOOTING CAUTION: If the unit does not operate in the cooling mode, check the following: To prevent damage to the unit or internal • The thermostat is operating properly components, it is recommended that two • Electrical power to the unit is turned on wrenches be used when loosening or tightening •...
  • Page 22: Figures & Tables

    FIGURES & TAbLES INSIDE PERIMETER 3/4" NPT OF BASE RAIL FEMALE DRAIN (IF USED) CONNECTOR 2.63 DOWNFLOW SUPPLY DUCT OPENING Top View 47.50 45.75 13.50 13.50 13.31 23.50 DOWNFLOW RETURN DUCT 1.75 HORIZONTAL OPENING HORIZONTAL RETURN DUCT SUPPLY DUCT OPENING OPENING 16.0 16.0...
  • Page 23: Airflow Information

    AIRFLOW INFORMATION Table 8. Nominal Airflow Rates & Temperature Rises (° F)
  • Page 24: Gas Information

    GAS INFORMATION GAS PIPE CAPACITIES Length of Pipe Run (Feet) Nominal Pipe Diameter (IN.) 1 1/4 1,050 1 1/2 1,600 1,100 Input To Furnace (Btu/hr) Cubic Feet Per Hour Required = Heating Value of Gas (Btu/Cu. Ft.) NOTE: The cubic feet per hour listed in the table above must be greater than the cubic feet per hour of gas flow required by the unit.
  • Page 25 POUR VOTRE SÉCURITÉ. FOR YOUR SAFETY READ À LIRE AVANT L’EMPLOI BEFORE OPERATING ATTENTION! L’inobservation de ces instructions WARNING: If you do not follow these instructions peut entraîner un incendie ou une explosion pouvant exactly, a fi re or explosion may result causing property causer des dam mages à...
  • Page 26: Electrical Data & Diagrams

    ELECTRICAL DATA & DIAGRAMS Nominal Blower Minimum Maximum Compressor Voltage Range Model Heating Input Circuit Over-current Electrical Motor Number (BTUh) Amps Max. Supply Amps Ampacity Min. Protection 45,000 208/230-60-1 12.8 58.3 18.3 024K 72,000 208/230-60-1 12.8 58.3 18.3 45,000 208/230-60-1 15.7 73.0 1.46...
  • Page 27 Figure 11. Wiring Diagram for 208/230V / 60 Hz Unit with ECM Motor...
  • Page 28 Figure 12. Wiring Diagram for 208/230V / 60 Hz Unit with PSC Motor...
  • Page 29: Charging Tables & Charts

    REFRIGERANT CHARGING TABLES - COOLING MODE Shaded boxes indicate flooded conditions. Rated design values. The suction pressure will be lower than design value if indoor air flow, entering dry bulb, or entering wet bulb temperature are lower than design. 1. All pressures are listed psig and all temperatures in °F 2.
  • Page 30 REFRIGERANT CHARGING TABLES - COOLING MODE Shaded boxes indicate flooded conditions. Rated design values. The suction pressure will be lower than design value if indoor air flow, entering dry bulb, or entering wet bulb temperature are lower than design. 1. All pressures are listed psig and all temperatures in °F 2.
  • Page 31 REFRIGERANT CHARGING TABLES - COOLING MODE Shaded boxes indicate flooded conditions. Rated design values. The suction pressure will be lower than design value if indoor air flow, entering dry bulb, or entering wet bulb temperature are lower than design. 1. All pressures are listed psig and all temperatures in °F 2.
  • Page 32: Installation/Performance Checklist

    INSTALLATION / PERFORMANCE CHECK LIST GAS SYSTEM INSTALLATION ADDRESS: Natural Gas Type: (circle one) Propane CITY ________________________ STATE ________________ Gas pipe connections leak-tested? UNIT MODEL # ________________________________________ Gas Line Pressure: ____________________________ (in - W.C.) Is there adequate fresh air supply UNIT SERIAL # _______________________________________ for combustion and ventilation? Unit Installed Minimum clearances per...

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Ppg3gd series

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