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INSTALLATION MANUAL
TWO STAGE VARIABLE SPEED ECM
RESIDENTIAL GAS FURNACES
TM8V*C, TMLV*C
MODELS:
(80% AFUE Multi-position / Low NOx)
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
VENT SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Duct Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Vertical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Coil Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Horizontal Right Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Horizontal Left Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
PC Series Upflow Coil Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Horizontal Left or Right application (Right Shown) . . . . . . . . . . . . . . 7
Combustible Floor Base Accessory . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Horizontal Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical Attic Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Typical Suspended Furnace / Crawl Space Installation . . . . . . . . . . . 8
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Side Return Cutout Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Furnace Control Board - Communications Connections . . . . . . . . . 13
Two-stage Furnace with Communicating AC or HP . . . . . . . . . . . . . 13
Coil Projection Dimensions - PC Series Coils . . . . . . . . . . . . . . . . . . 6
Cabinet and Duct Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Recommended Filter Sizes (High Velocity 600 FPM) . . . . . . . . . . . . 9
Nominal Manifold Pressure - High Fire . . . . . . . . . . . . . . . . . . . . . . 11
Nominal Manifold Pressure - Low Fire . . . . . . . . . . . . . . . . . . . . . . . 11
Ratings & Physical / Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . 12
These high efficiency, compact units employ induced combustion, reli-
able hot surface ignition and high heat transfer aluminized tubular heat
exchangers. The units are factory shipped for installation in upflow or
horizontal applications and may be converted for downflow applica-
tions.
These furnaces are designed for residential installation in a basement,
closet, alcove, attic, recreation room or garage and are also ideal for
commercial applications. All units are factory assembled, wired and
tested to assure safe dependable and economical installation and oper-
ation.
These units are Category I listed and may be common vented with
another gas appliance as allowed by the National Fuel Gas Code.
LIST OF SECTIONS
START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
REPLACEMENT PART CONTACT INFORMATION . . . . . . . . . . . . 30
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
START UP SHEET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
LIST OF FIGURES
Terminal Screw Wire Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Furnace with Variable Capacity AC or HP . . . . . . . . . . . . . . . . . . . . 14
Two Stage Variable Speed Furnace . . . . . . . . . . . . . . . . . . . . . . . . . 15
Two Stage Variable Speed Furnace . . . . . . . . . . . . . . . . . . . . . . . . . 16
Two Stage Variable Speed Furnace . . . . . . . . . . . . . . . . . . . . . . . . . 17
Variable Speed Furnace (Hot Heat Pump or Conventional) . . . . . . . 18
Combustion Air Inducer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
the Burner Compartment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Outside and Ambient Combustion Air . . . . . . . . . . . . . . . . . . . . . . . . 21
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Furnace Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
LIST OF TABLES
Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Unconfined Space Minimum Area . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Gas Rate (CU FT/HR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Air Flow Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
SECTION I: SAFETY
This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal
injury.
Understand and pay particular attention to the signal words DANGER,
WARNING, or CAUTION.
DANGER indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury.
WARNING indicates a potentially hazardous situation, which, if not
avoided, could result in death or serious injury.
CAUTION indicates a potentially hazardous situation, which, if not
avoided may result in minor or moderate injury. It is also used to
alert against unsafe practices and hazards involving only property dam-
age.
5402847-UIM-A-0917
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Table of Contents
Related Manuals for York TM8V C Series
Summary of Contents for York TM8V C Series
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Page 1: Table Of Contents
INSTALLATION MANUAL TWO STAGE VARIABLE SPEED ECM RESIDENTIAL GAS FURNACES TM8V*C, TMLV*C MODELS: (80% AFUE Multi-position / Low NOx) LIST OF SECTIONS SAFETY ..........1 START-UP AND ADJUSTMENTS . - Page 2 5402847-UIM-A-0917 WARNING 10. When installed in a Non-HUD-Approved Modular Home or building constructed on-site, combustion air shall not be supplied from occu- pied spaces. Improper installation may create a condition where the operation of 11. The size of the unit should be based on an acceptable heat loss the product could cause personal injury or property damage.
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Page 3: Safety
5402847-UIM-A-0917 COMBUSTION AIR QUALITY CODES AND STANDARDS (LIST OF CONTAMINANTS) Follow all national, local codes and standards in addition to this installa- tion manual. The installation must comply with regulations of the serv- The furnace requires OUTDOOR AIR for combustion when the furnace ing gas supplier, local building, heating, plumbing, and other codes. -
Page 4: Unit Clearances To Combustibles (All Dimensions In Inches, And All Surfaces Identified With The Unit In An Upflow Configuration)
5402847-UIM-A-0917 INSPECTION FOR FURNACES INSTALLED IN THE COMMON- WEALTH OF MASSACHUSETTS ONLY As soon as a unit is received, it should be inspected for possible dam- age during transit. If damage is evident, the extent of the damage For all side wall horizontally vented gas fueled equipment installed in should be noted on the carrier’s freight bill. -
Page 5: Ductwork
5402847-UIM-A-0917 SECTION II: DUCTWORK WARNING DUCTWORK GENERAL INFORMATION The duct system must be properly sized to obtain the correct airflow The duct system’s design and installation must: for the furnace size that is being installed. 1. Handle an air volume appropriate for the served space and within Refer to Table 7 or the furnace rating plate for the correct rise range the operating parameters of the furnace specifications. -
Page 6: Vertical Applications
5402847-UIM-A-0917 COIL INSTALLATION FURNACE ASSEMBLY - MC SERIES COILS ONLY IMPORTANT MC coils are supplied ready to be installed in a horizontal position. A horizontal pan is factory installed. MC coils should be installed in all hor- izontal applications with the horizontal drain pan side down. On all installations without a coil, a removable access panel is recom- mended in the outlet duct such that smoke or reflected light would be Mounting Plate... -
Page 7: Horizontal Left Or Right Application (Right Shown)
5402847-UIM-A-0917 These upflow coils are designed for installation on top of upflow fur- naces only. If the coil is used with a furnace of a different size, use a 45° transition to allow proper air distribution through the coil. FURNACE 1. -
Page 8: Typical Attic Installation
5402847-UIM-A-0917 ATTIC INSTALLATION SUSPENDED FURNACE / CRAWL SPACE INSTALLATION Line contact only permissible Supply The furnace can be hung from floor joists or installed on suitable blocks between lines formed by the Vent (Maintain or pads. Blocks or pad installations shall provide adequate height to intersection of furnace top required ensure that the unit will not be subject to water damage. -
Page 9: Filters
5402847-UIM-A-0917 RIGHT SIDE LEFT SIDE FRONT Vent Connection Electrical Outlet Entry Vent Electrical Connection Entry Outlet Gas Pipe Gas Pipe Entry 33” Entry 23” Thermostat Thermostat Wiring Wiring 14” 28.5” 1” 1.5” 29.5” 4” Diameter Vent Connection .5” .5” 24.38” Outlet .5”... -
Page 10: Gas Piping
5402847-UIM-A-0917 SECTION IV: GAS PIPING SIDE RETURN GAS SAFETY Locate the “L” shaped corner locators. These indicate the size of the cut- out to be made in the furnace side panel. Refer to Figure 13. DANGER Front of An overpressure protection device, such as a pressure regulator, Furnace must be installed in the gas piping system upstream of the furnace and must act to limit the downstream pressure to the gas valve so it... -
Page 11: Nominal Manifold Pressure - High Fire
5402847-UIM-A-0917 IMPORTANT This furnace is constructed at the factory for natural gas-fired operation, but may be converted to operate on propane (LP) gas by using a fac- tory-supplied LP conversion kit. Follow the instructions supplied with An accessible manual shutoff valve must be installed upstream of the the LP kit. -
Page 12: Electrical Power
5402847-UIM-A-0917 SECTION V: ELECTRICAL POWER CAUTION ELECTRICAL POWER CONNECTIONS Use copper conductors only. 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 7 in these instructions for specific furnace electrical data. -
Page 13: Furnace Control Board - Communications Connections
5402847-UIM-A-0917 COMMUNICATIONS DIAGNOSTIC LAST A+ R C B- FLOAT A+ R C B- LIGHT ERROR INDICATOR SWITCH BUTTON CONNECTION CONVENTIONAL A+ R C B- A+ R C B- LOW VOLTAGE TSTAT CONNECTIONS TEMP COMMUNICATING AUXILIARY SENSOR TSTAT CONNECTIONS SWITCH CONNECTIONS CONNECTIONS AIRFLOW HUMIDISTAT... -
Page 14: Terminal Screw Wire Connection
5402847-UIM-A-0917 IMPORTANT MODULATING FURNACE COMMUNICATING CONTROL WIRE Do not place more than one wire under any single communication NOTE CONNECTOR terminal screw (there are four communication terminal screws). If ENSURE ONLY ONE WIRE UNDER more than one wire must be connected to a terminal screw, attach TERMINAL SCREW. -
Page 15: Thermostat Chart - Single Stage Air Conditioner With Two Stage Variable Speed Furnace
5402847-UIM-A-0917 For additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” document available on-line at www.upgnet.com in the Product Catalog Section. TM8V TMLV S1-THXU280 Single Stage Compressor A0916-001 FIGURE 21: Thermostat Chart - Single Stage Air Conditioner with Two Stage Variable Speed Furnace Johnson Controls Unitary Products... -
Page 16: Thermostat Chart - Single Stage Heat Pump With Two Stage Variable Speed Furnace
5402847-UIM-A-0917 TM8V TMLV S1-THXU280 Y/Y2 Room thermostat or external fossil fuel kit must be used to control fossil fuel operation. A0917-001 FIGURE 22: Thermostat Chart - Single Stage Heat Pump with Two Stage Variable Speed Furnace Johnson Controls Unitary Products... -
Page 17: Thermostat Chart - Two Stage Air Conditioner With Two Stage Variable Speed Furnace
5402847-UIM-A-0917 TM8V TMLV S1-THXU280 A0918-001 FIGURE 23: Thermostat Chart - Two Stage Air Conditioner with Two Stage Variable Speed Furnace Johnson Controls Unitary Products... -
Page 18: Thermostat Chart - Two Stage Heat Pump With Two Stage Variable Speed Furnace (Hot Heat Pump Or Conventional)
5402847-UIM-A-0917 TM8V TMLV S1-THXU280 A0919-001 FIGURE 24: Thermostat Chart - Two Stage Heat Pump with Two Stage Variable Speed Furnace (Hot Heat Pump or Conventional) Johnson Controls Unitary Products... -
Page 19: Vent System
5402847-UIM-A-0917 ACCESSORY CONNECTIONS CATEGORY 1 - 450 F. MAX. VENT TEMP. The furnace control will allow power-switching control of various acces- The venting system must be installed in accordance with Section 5.3, sories. Air for Combustion and Ventilation, of the National Fuel Gas Code Z223.1/NFPA 54 (latest edition), or Sections 7.2, 7.3 or 7.4 of CSA ELECTRONIC AIR CLEANER CONNECTION B149.1, National Gas and Propane Codes (latest edition) or applicable... -
Page 20: Combustion Airflow Path Through The Furnace Casing To The Burner Compartment
5402847-UIM-A-0917 FAN-ASSISTED COMBUSTION SYSTEM Combustion Air Source From Outdoors This appliance is equipped with an integral mechanical means to either The blocking effects of louvers, grilles and screens must be given con- draw products of combustion through the heat exchanger. sideration in calculating free area. -
Page 21: Outside And Ambient Combustion Air
5402847-UIM-A-0917 Vent Vent Vent Gable Gable Vent Vent Ventilated Ventilated Attic Attic Optional Top Above Inlet (a) Top Above Insulation Insulation Outlet Soffit Air (a) Soffit Vent Outlet Outlet Vent Air (b) Air (a) Water Heater Water Water Inlet Heater Inlet Heater Inlet... -
Page 22: Start-Up And Adjustments
5402847-UIM-A-0917 WARNING 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- monxide poisoning or death. The following steps shall be followed for each appliance connected to the venting system being placed into operation, while all other appliances connected to the venting system are not in operation: 1. - Page 23 5402847-UIM-A-0917 GAS PIPING LEAK CHECK With furnace in operation, check all of the pipe joints, gas valve connec- tions and manual valve connections for leakage using an approved gas WARNING detector, a non-corrosive leak detection fluid, or other leak detection methods.
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Page 24: Gas Rate (Cu Ft/Hr)
5402847-UIM-A-0917 Table 11: Gas Rate (CU FT/HR) Size of Test Dial 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... -
Page 25: Gas Valve
5402847-UIM-A-0917 IMPORTANT HIGH STAGE REGULATOR ADJUSTMENT OUTLET The inlet gas pressure operating range table specifies what the mini- PRESSURE PORT VENT mum and maximum gas line pressures must be for the furnace to PORT operate safely. The gas line pressure MUST BE a minimum of: •... -
Page 26: Safety Controls
5402847-UIM-A-0917 ADJUSTMENT OF TEMPERATURE RISE After about 20 minutes of operation, determine the furnace temperature rise. Take readings of both the return air and the heated air in the ducts, DANGER about six feet (1.83 m) from the furnace where they will not be affected by radiant heat. - Page 27 5402847-UIM-A-0917 LIMIT CONTROLS Intermittent Blower Cooling There is a high temperature limit control located on the furnace vesti- On cooling/ heating thermostats with a fan switch, when the fan switch bule panel near the gas valve. This is an automatic reset control that is set in the auto position and the thermostat calls for cooling, a circuit is provides over temperature protection due to reduced airflow.
- Page 28 5402847-UIM-A-0917 SLOW GREEN FLASH: Normal operation, no thermostat calls. 10 RED FLASHES: Gas valve energized with no call for heat. The main blower and inducer blower will run and no ignition sequence will be SLOW AMBER FLASH: Normal operation with call for heat. started as long as this condition exists.
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Page 29: Air Flow Data
5402847-UIM-A-0917 Table 14: Air Flow Data HIGH / LOW SPEED COOLING AND HEAT PUMP CFM 060A12 080B12 080C16 Jumper Settings HIGH COOL LOW COOL HIGH COOL LOW COOL HIGH COOL LOW COOL COOL Tap ADJ Tap* 1277 1241 1644 1054 1067 1064 1447... -
Page 30: Replacement Parts List
Click on the “Brand Links” button b. Click on the “Customer Service” button • You can contact us by mail. Just send a written request to: Johnson Controls Unitary Products Consumer Relations 5005 York Drive Norman, OK 73069 Johnson Controls Unitary Products... -
Page 31: Wiring Diagram
5402847-UIM-A-0917 SECTION X: WIRING DIAGRAM Wiring Diagram 80% Two-Stage COMM Furnace PRECAUTION CAUTION OPEN ALL DISCONNECTS BEFORE OUVREZ LES DISJONCTEURS AVANT SERVICING THIS UNIT DE PROCEDER AVEC LE SERVICE 115VAC NEUT. DOOR N.O.SW 115VAC LINE P3/S3 GAS VALVE 1600/2000 CFM MODELS ONLY BLOWER MOTOR... - Page 32 5402847-UIM-A-0917 NOTES Johnson Controls Unitary Products...
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Page 33: Start Up Sheet
5402847-UIM-A-0917 SECTION XI: START UP SHEET 33" 80% AFUE Two Stage Gas Furnace Start Up Sheet Proper furnace start up is critical to customer comfort and equipment longevity Start-Up Date Technician Performing Start-Up Installing Contractor Name Owner Information Name Address City State or Province Zip or Postal Code... - Page 34 Explain the importance of regular filter replacement and equipment maintenance Explain thermostat use and programming (if applicable) to owner Subject to change without notice. Published in U.S.A. 5402847-UIM-A-0917 Copyright © 2017 by Johnson Controls, Inc. All rights reserved. Supersedes: 1034867-UIM-D-0616 York International Corp. 5005 York Drive Norman, OK 73069...