Johnson TG9S MP Installation Manual

Residential gas furnace
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INSTALLATION MANUAL
RESIDENTIAL GAS FURNACE
MODELS: TG9S*MP, GG9S*MP
(95.5% AFUE Single Stage Multi-position)
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
TWINNING AND STAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
VENTING CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Duct Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Vertical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Coil Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Horizontal Right Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Horizontal Left Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PC Series Upflow Coil Installation . . . . . . . . . . . . . . . . . . . . . . . . 7
Combustible Floor Base Accessory . . . . . . . . . . . . . . . . . . . . . . . 7
Horizontal Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical Attic Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Downflow Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Side Return Cutout Markings . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Single Stage PSC Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Single Stage PSC Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Typical Twinned Furnace Application . . . . . . . . . . . . . . . . . . . . 15
Single Wire Twinning Wiring Diagram . . . . . . . . . . . . . . . . . . . . 16
Single Wire Staging Wiring Diagram . . . . . . . . . . . . . . . . . . . . . 16
Unit Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . . 4
Coil Projection Dimensions - PC Series Coils . . . . . . . . . . . . . . . 7
Cabinet and Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Nominal Manifold Pressure - High Fire . . . . . . . . . . . . . . . . . . . 11
Ratings & Physical / Electrical Data . . . . . . . . . . . . . . . . . . . . . 12
Maximum Equivalent Pipe Length . . . . . . . . . . . . . . . . . . . . . . . 22
Elbow Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Equivalent Length of Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Size at Furnace (All Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
LIST OF SECTIONS
COMBUSTION AIR and VENT SYSTEM . . . . . . . . . . . . . . . . . 22
START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . 29
SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
NORMAL OPERATION AND DIAGNOSTICS . . . . . . . . . . . . . 35
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . 37
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
LIST OF FIGURES
Typical. Combustion Pipe Drain Tee . . . . . . . . . . . . . . . . . . . . . 17
Upflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Downflow Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Horizontal Left Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Horizontal Right Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 21
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Home Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Termination Configuration - 1 Pipe . . . . . . . . . . . . . . . . . . . . . . 25
Termination Configuration - 2 Pipe . . . . . . . . . . . . . . . . . . . . . . 25
Termination Configuration - 2 Pipe Basement . . . . . . . . . . . . . 25
and Vent Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
and Vent Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Outside and Ambient Combustion Air . . . . . . . . . . . . . . . . . . . . 27
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Furnace Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Furnace Control Event Schedule . . . . . . . . . . . . . . . . . . . . . . . 37
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
LIST OF TABLES
Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Unconfined Space Minimum Area . . . . . . . . . . . . . . . . . . . . . . . 27
Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Gas Rate (CU FT/HR) at Full Input . . . . . . . . . . . . . . . . . . . . . . 30
Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
(without filter) - Bottom Return . . . . . . . . . . . . . . . . . . . . . . . . . 33
(without filter) - Left Side Return . . . . . . . . . . . . . . . . . . . . . . . . 34
EFFICIENCY
RATING
CERTIFIED
ISO 9001
Certified Quality
Management System
364861-UIM-D-1209

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Summary of Contents for Johnson TG9S MP

  • Page 1: Table Of Contents

    INSTALLATION MANUAL RESIDENTIAL GAS FURNACE EFFICIENCY MODELS: TG9S*MP, GG9S*MP RATING CERTIFIED ISO 9001 (95.5% AFUE Single Stage Multi-position) Certified Quality Management System LIST OF SECTIONS SAFETY ......... . . 2 COMBUSTION AIR and VENT SYSTEM .
  • Page 2: Safety

    • This furnace is not approved for installation in trailers or recre- temperature rise range. Only connect the furnace to a duct system ational vehicles. which has an external static pressure within the allowable range, as specified on the furnace rating plate. Johnson Controls Unitary Products...
  • Page 3: Combustion Air Quality

    • Hydrochloric acid modular home construction practices. These instructions are required • Masonry acid washing materials as a minimum for a safe installation. • Permanent wave solutions • Printing inks, paint removers, varnishes, etc. • Water softening chemicals Johnson Controls Unitary Products...
  • Page 4: Unit Clearances To Combustibles

    * 24" clearance in front and 18" on side recommended for service access. All furnaces approved for alcove and attic installation. Where adequate combustion air will be available (particularly when the appliance is not using outdoor combustion air). Johnson Controls Unitary Products...
  • Page 5: Ductwork

    Attach the air conditioning coil cabinet to the duct connector, and then position the furnace on top of the coil cabinet. The connection to the fur- nace, air conditioning coil cabinet, duct connector, and supply air duct must be sealed to prevent air leakage. Johnson Controls Unitary Products...
  • Page 6: Vertical Applications

    See Figure 6. FACTORY FLANGE LOCATION (Used for upflow or horizontal right installations) ALTERNATE FLANGE LOCATION (Used for downflow or horizontal left installations) FIGURE 3: Coil Flange Johnson Controls Unitary Products...
  • Page 7: Pc Series Upflow Coil Installation

    FIGURE 9: Horizontal Application This furnace may be installed in a horizontal position on either side as shown above. It must not be installed on its back. Gas Furnace FIGURE 7: Horizontal Left or Right application (Right Shown) Johnson Controls Unitary Products...
  • Page 8: Typical Attic Installation

    FIGURE 12: Downflow Venting nace. Maintain a 6” (15.2 cm) minimum clearance between the front of the furnace and the support rods or straps. Johnson Controls Unitary Products...
  • Page 9: Filters

    2. Do not exceed 1800 CFM using a single side return and a 16x25 filter. For CFM greater than 1800, you may use two side returns or one side and the bottom or one side return with a transition to allow use of a 20x25 filter. Johnson Controls Unitary Products...
  • Page 10: Gas Piping

    Supply Ground Union Drip Leg Valve External Manual Shut-off Valve Ground Pipe Union Drip Drip Valve Ground Union To Gas Valve Supply Pipe Drip Ground Drip Pipe Union Upflow Downflow Horizontal Drip FIGURE 16: Gas Piping Johnson Controls Unitary Products...
  • Page 11: Electrical Power

    Field wiring to the unit must be grounded. Electric wires that are field installed shall conform to the temperature limitation for 63°F (35°C) rise wire when installed in accordance with instructions. Refer to Table 6 in these instructions for specific furnace electrical data. Johnson Controls Unitary Products...
  • Page 12: Electrical Wiring

    After making the wiring connections replace the wiring box cover and screws. Refer to Fig- ure 17. The furnace's control system requires correct polarity of the power supply and a proper ground connection. Refer to Figure 17. Johnson Controls Unitary Products...
  • Page 13: Thermostat Chart - Single Stage Ac With Single Stage Psc Furnaces

    24VAC Humidifier (Optional) Humidistat Clipping Jumper W914 for electric heat on thermostat is not necessary Other Part Numbers: SAP = Legacy 265901 = 031-09166 FIGURE 18: Thermostat Chart - Single Stage AC with Single Stage PSC Furnaces Johnson Controls Unitary Products...
  • Page 14: Thermostat Chart - Single Stage Hp With Single Stage Psc Furnaces

    Menu must be set to Pump OFF Other Part Numbers: Part Numbers: Part Number: SAP = Legacy SAP = Legacy S1-2HU16700124 265901 = 031-09166 67297 = 031-01975 FIGURE 19: Thermostat Chart - Single Stage HP with Single Stage PSC Furnaces Johnson Controls Unitary Products...
  • Page 15: Twinning And Staging

    W2 is energized. furnaces are isolated, thus preventing the possibility of any safety devices being bypassed. Connect the common wires of furnace #1 to the common terminal of furnace #2. Johnson Controls Unitary Products...
  • Page 16: Condensate Piping And Furnace Venting Configuration

    No hose clamps are needed for connecting to the condensate pan. furnaces are isolated, thus preventing the possibility of any safety devices being bypassed. Connect the common between furnace #1 and furnace #2. Johnson Controls Unitary Products...
  • Page 17: Typical. Condensate Drain, Vertical Installation

    DO NOT attempt to winterize the furnace using liquid anti-freeze. A loop has been added to the pressure switch vacuum hose. How- ever, ensure that all pressure switch hoses are routed such that they prevent any condensate from entering the pressure switch. Johnson Controls Unitary Products...
  • Page 18: Upflow Configuration

    364861-UIM-D-1209 FIGURE 25: Upflow Configuration Johnson Controls Unitary Products...
  • Page 19: Downflow Configuration

    364861-UIM-D-1209 FIGURE 26: Downflow Configuration Johnson Controls Unitary Products...
  • Page 20: Horizontal Left Configuration

    364861-UIM-D-1209 FIGURE 27: Horizontal Left Configuration Johnson Controls Unitary Products...
  • Page 21: Horizontal Right Configuration

    364861-UIM-D-1209 FIGURE 28: Horizontal Right Configuration Johnson Controls Unitary Products...
  • Page 22: Maximum Equivalent Pipe Length

    Elbow "A" Dimension 2" Standard 2-5/16" 3" Standard 3-1/16" 2" Sweep 3-1/4" 3" Sweep 4-1/16" Dimensions are those required in Standard ASTM D-3311. Johnson Controls Unitary Products...
  • Page 23: Equivalent Length Of Fittings

    Seal around the openings where the combustion air and / or vent Vent Pipe Size 2” (5.1 cm) piping pass through the roof or sidewalls. COMBUSTION AIR / VENTING The vent must be installed with the minimum required clearances, and must comply with local codes and requirements. Johnson Controls Unitary Products...
  • Page 24: Home Layout

    20 inches (51 cm). It is recommended that a retaining type collar be used that is attached to the build- ing surface to prevent movement of the vent pipe. Johnson Controls Unitary Products...
  • Page 25: Termination Configuration - 1 Pipe

    Under NO circumstances can the two combus- tion air or vent pipes be tied together. The combustion air and vent pipes must terminate in the same atmospheric zone. Johnson Controls Unitary Products...
  • Page 26: Double Horizontal Combustion Air Intake And Vent Termination

    CARBON MONOX- every furnace. This may be installed in the intake collar to prevent IDE, which can lead to serious injury, property damage and / or any small objects from entering the furnace. death. Johnson Controls Unitary Products...
  • Page 27: Outside And Ambient Combustion Air

    The duct shall be least the same cross-sectional area as the free An air supply inlet opening from the outdoors shall be located not area of the air supply inlet opening to which it connects. less than 12” (30.5 cm) above the outside grade level. Johnson Controls Unitary Products...
  • Page 28: Attic And Crawl Space Combustion Air Termination

    For downflow installations, the vent blower must be rotated so that the vent exits through either side of the cabinet. See Fig- ures 25-28 for details. FIGURE 39: Attic and Crawl Space Combustion Air Termination Johnson Controls Unitary Products...
  • Page 29: Start-Up And Adjustments

    2 - 5 until correct input is achieved. Set the thermostat above room temperature to call for heat. Be sure to relight any gas appliances that were turned off at the start of this input check. Johnson Controls Unitary Products...
  • Page 30: Gas Rate (Cu Ft/Hr) At Full Input

    Size of Test Dial Seconds For Seconds For 1 Revolution 1 Revolution 1 Cu Ft 2 Cu Ft 5 Cu Ft 1 Cu Ft 2 Cu Ft 5 Cu Ft 1800 1636 1500 1385 1286 1200 1125 1059 1000 Johnson Controls Unitary Products...
  • Page 31: Gas Valve

    Refer to Figure 41 for connection details. port for leakage using an approved non-corrosive gas leak detec- tion fluid, or other non-flammable leak detection methods. Johnson Controls Unitary Products...
  • Page 32: Reading Gas Pressure

    Carbon Monoxide, a fire hazard, personal injury, property damage, and/or death. TWIN PARK PARK Blower Off Delay Timer Adjustment Jumper HI COOL (in seconds) HEAT EAC-H XFMR FIGURE 42: Furnace Control Board Johnson Controls Unitary Products...
  • Page 33: Blower Performance Cfm - Any Position (Without Filter) - Bottom Return

    130/2000/D Medium Low 1614 1591 1549 1531 1459 1400 1335 1267 1180 1061 1327 1294 1257 1224 1198 1171 1124 1036 NOTES: 1.Airflow expressed in standard cubic feet per minute (CFM). 2.Motor voltage at 115 V. Johnson Controls Unitary Products...
  • Page 34: Blower Performance Cfm - Any Position (Without Filter) - Left Side Return

    1.Airflow expressed in standard cubic feet per minute (CFM). 2.Return air is through side opposite motor (left side). 3.Motor voltage at 115 V. 4.Airflow through motor side (right side) may be slightly less than the data shown above. Johnson Controls Unitary Products...
  • Page 35: Safety Controls

    “HI COOL” cooling terminal on Never adjust pressure switch to allow furnace operation. the control board. To obtain a constant air circulation at lower flow rate, change the high-speed wire to another lower speed wire. Johnson Controls Unitary Products...
  • Page 36: Furnace Control Diagnostics

    8 RED FLASHES: This fault is indicated if the flame is lost 5 times (4 recycles) during the heating cycle. This could be caused by low gas pressure, dirty or faulty flame sensor or faulty gas valve. The furnace will lock out for one hour and then restart. Johnson Controls Unitary Products...
  • Page 37: Replacement Parts List

    3. Customer Service contact information. a. Click on the “Brand Links” button b. Click on the “Customer Service” buttont • You can contact us by mail. Just send a written request to: Johnson Controls Unitary Products Consumer Relations 5005 York Drive Norman, OK 73069...
  • Page 38: Wiring Diagram

    364861-UIM-D-1209 SECTION XIII: WIRING DIAGRAM FIGURE 44: Wiring Diagram Johnson Controls Unitary Products...
  • Page 39 364861-UIM-D-1209 NOTES Johnson Controls Unitary Products...
  • Page 40 NOTES Subject to change without notice. Published in U.S.A. 364861-UIM-D-1209 Copyright © 2009 by Johnson Controls, Inc. All rights reserved. Supersedes: 364861-UIM-C-0709 Johnson Controls Unitary Products 5005 York Drive Norman, OK 73069...

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