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Installation Instructions for
*MES80 Ultra Low NOx Gas Furnace -
CATEGORY I CATÉGORIE I
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.
Only personnel that have been trained to install, adjust, service
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 service procedures. If you
service this unit, you assume 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 or
repair of the equipment specified in this manual, or attempting
to install, adjust, service or repair the equipment specified in
this manual without proper training may result in product
damage, property damage, personal injury or death.
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
R
ECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION
NOTE: Please contact your distributor or our website listed below
for the applicable Specification Sheet referred to in this manual.
IOG-2019B
10/2019
Installer: Affix all manuals
adjacent to the unit.
-
0140M00517-A
5151 San Felipe Suite 500 • Houston, TX 77056
www.goodmanmfg.com • www.amana-hac.com
© 2019 Goodman Manufacturing Company, L.P.
is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS ....................................................... 3
Additional Safety Considerations ...................................... 5
Shipping Inspection ........................................................... 5
Electrostatic Discharge (ESD) Precautions ......................... 6
To The Installer .................................................................. 6
PRODUCT APPLICATION ........................................................... 6
LOCATION REQUIREMENTS AND CONSIDERATIONS ................ 7
Clearances and Accessibility.............................................. 8
Installation Positions ......................................................... 8
Venting For Horizontal Left Or Right Installations ............. 8
Horizontal Installation ....................................................... 8
Furnace Suspension .......................................................... 9
Existing Furnace Removal .................................................. 9
Thermostat Location ....................................................... 10
COMBUSTION AND VENTILATION AIR REQUIREMENTS ........ 10
CATEGORY I VENTING (VERTICAL VENTING) .......................... 10
Checklist Summary .......................................................... 11
Check 1 - Proper chimney termination........................... 11
Vented into this Chimney Channel ................... 12
Check 3 - Chimney Crown Condition .............................. 12
Check 4 - Debris in Cleanout ........................................... 12
Check 5 - Liner Condition ................................................ 12
Check 6 - Dilution Air ...................................................... 13
Check 7 - Complete the Installation ............................... 13
Fix 1 - Liner Termination .................................................. 13
Fix 2 -Change Venting Arrangements .............................. 13
Fix 3 - Rebuild the Crown ................................................ 13
Fix 4 - Relining ................................................................. 13
ATTENTION INSTALLING PERSONNEL
As a professional installer, you have an obligation to know
the 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.
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Table of Contents
Troubleshooting
Related Manuals for Intertek MES80
Summary of Contents for Intertek MES80
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Page 1: Table Of Contents
Installation Instructions for TABLE OF CONTENTS SAFETY CONSIDERATIONS ............3 *MES80 Ultra Low NOx Gas Furnace - Additional Safety Considerations ........5 Shipping Inspection ............5 CATEGORY I CATÉGORIE I Electrostatic Discharge (ESD) Precautions ......6 To The Installer ..............6 PRODUCT APPLICATION ............ -
Page 2: Safety Considerations
ELECTRICAL CONNECTIONS ........... 14 Circulator Blower Fan Timing Adjustment....... 24 Wiring Harness ..............14 OPERATIONAL CHECKS ............25 120 Volt Line Connections ..........15 Checking Duct Static ............25 Junction Box Relocation ..........15 SAFETY CIRCUIT DESCRIPTION ..........25 24 Volt Thermostat Wiring ..........15 General ................ - Page 3 Always install a furnace to operate within the furnace’s in- tended temperature-rise range with a duct system which has WARNING external static pressure within the allowable range, as speci- F THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED fied on the furnace rating plate and OPERATIONAL CHECKS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY section of these instructions.
- Page 4 CARBON MONOXIDE POISONING HAZARD RISQUE D’INTOXICATION AU MONOXYDE DE CARBONE Failure To Follow The Steps Outlined Below For Each Appliance Si les étapes décrites ci-dessous ne sont pas suivies pour chacun Connected To The Venting System Being Placed Into Operation des appareils raccordés au système de ventilation au moment Could Result In Carbon Monoxide Poisoning Or Death.
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Page 5: Additional Safety Considerations
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
To The Installer • 100% outside air must be used for combustion during construction. Temporary ducting may be used to Before installing this unit, please read this manual thoroughly supply outside air to the furnace for combustion – do to familiarize yourself with specific items which must be ad- not connect this duct directly to the furnace. -
Page 7: Location Requirements And Considerations
Location Requirements and Considerations • If the furnace is used in connection with a cooling unit, install the furnace upstream or in parallel with the cooling unit coil. Premature heat exchanger failure WARNING will result if the cooling unit coil is placed ahead of O PREVENT POSSIBLE EQUIPMENT DAMAGE PROPERTY DAMAGE the furnace. -
Page 8: Clearances And Accessibility
Clearances and Accessibility NOTE: For servicing or cleaning, a 24” front clearance is required. Unit connections (electrical, flue and drain) may necessitate greater clearances than the minimum clearanc- es listed above. In all cases, accessibility clearance must take precedence over clearances from the enclosure where accessibility clearances are greater. -
Page 9: Furnace Suspension
Line contact to framing is permitted when installed in the In so far as practical, close all building doors and horizontal configuration. Line contact is defined as the windows and all doors between the space in which portion of the cabinet that is formed by the intersection of the appliance(s) connected to the venting system the top and side. -
Page 10: Combustion And Ventilation Air Requirements
Combustion and Ventilation Category I Venting (Vertical Venting) Air Requirements WARNING WARNING O PREVENT POSSIBLE PERSONAL INJURY OR DEATH DUE TO ASPHYXIATION THIS FURNACE MUST BE ATEGORY VENTED O NOT O AVOID PROPERTY DAMAGE PERSONAL INJURY OR DEATH SUFFICIENT FRESH AIR FOR PROPER COMBUSTION AND VENTILATION OF VENT USING ATEGORY VENTING... -
Page 11: Exterior Masonry Chimneys (Cat. I Furnaces Only)
Exterior Masonry Chimneys Checklist Summary This checklist serves as a summary of the items to be checked (Category I Furnaces Only) before venting an 80+ furnace into a masonry chimney. In addition, we recommend that a qualified serviceman use this An exterior masonry chimney is defined as a “Masonry”... -
Page 12: Check 2 - Any Solid Or Liquid Fuel Appliances
Check 1 - Proper chimney termination Check 2 - Any solid or liquid fuel appliances vented into this chimney channel A masonry chimney used as a vent for gas fired equipment must extend at least three feet above the highest point where it Solid fuel appliances include fireplaces, wood stoves, coal passes through the roof. -
Page 13: Check 6 - Dilution Air
Check 7 - Complete the Installation Remember that all appliances must be vented inside the liner. Venting one appliance inside the liner and another appliance If Checks 1 through 6 have been satisfactory, and the liner is outside the liner is not acceptable. an acceptable size as determined by the tables in the latest Next, use a flashlight and small mirror to sight up the liner. -
Page 14: Electrical Connections
Fix 4 - Relining in the chimney. (Poured insulation, either vermiculite or other materials, is no longer recommended.) Insulation will need to Relining options include B vent and flexible liners. be added to the flexible liner if: • It is required by the liner manufacturer’s instructions. If the chimney has diagonal offsets, B vent probably cannot •... -
Page 15: 120 Volt Line Connections
120 Volt Line Connections wires and ground screw are located in the furnace junction box. Before proceeding with electrical connections, ensure that Low voltage wires may be connected to the terminal strip. the supply voltage, frequency, and phase correspond to IMPORTANT NOTE: To avoid possible equipment malfunc- that specified on the unit rating plate. -
Page 16: 120 Volt Line Connection Of Accessories
120 Volt Line Connection of Accessories Fossil Fuel Applications Humidifier and Electronic Air Cleaner This furnace can be used in conjunction with a heat pump in a fossil fuel application. A fossil fuel application refers to a combined gas furnace and heat pump installation which uses WARNING an outdoor temperature sensor to determine the most cost HIGH VOLTAGE ! -
Page 17: Gas Piping Connections
• Use ground joint unions. Manifold Pressure • Install a drip leg to trap dirt and moisture before it can Altitude Pressure Sensor enter the gas valve. The drip leg must be a minimum of three inches long. 0 - 4500 Natural None 3.0"... -
Page 18: Upflow Installations
Circulating Air and Filters Upflow Installations A ground joint union, drip leg, and manual shutoff valve must Ductwork - Air Flow also be supplied by the installer. In some cases, the installer may also need to supply a transition piece from 1/2” to another WARNING pipe size. -
Page 19: Filters - Read This Section Before Installing The Return Air Ductwork
Circulation Air Filters When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing One of the most common causes of a problem in a forced the furnace, the return air shall also be handled by a duct air heating system is a blocked or dirty filter. -
Page 20: Horizontal Installations
Consider installing an air cleaner with deep-pleated media filter at the time of furnace installation. A deep-pleated filter with a MERV rating of 8 (minimum) will often provide better filtration to protect equipment and the air distribution system than a standard 1”... -
Page 21: Cooling Mode
• • Circulator blower is energized on high heat speed R and G thermostat contacts open, completing the call following a fixed five second blower on delay. Electronic for fan. air cleaner terminals are energized with circulator • Circulator blower is de-energized. Electronic air cleaner blower. -
Page 22: Furnace Shutdown
9. Open the manual gas valve external to the furnace. 1. Turn OFF gas to furnace at the manual gas shutoff valve external to the furnace. 10. Turn on the electrical power supply to the furnace. 2. Turn OFF all electrical power to the system. 11. -
Page 23: Gas Manifold Pressure Measurement And Adjustment
8. Measure the gas manifold pressure with burners firing. Gas Line Adjust manifold pressure using the following Manifold Gas Pressure table. Shutoff Valve Manifold Gas Pressure Natural Gas 2.8" - 3.2" w.c. Gas Line To Furnace Table 10 9. Remove regulator cover screw from the outlet pressure regulator and turn screw clockwise to increase pressure or counterclockwise to decrease pressure. -
Page 24: Temperature Rise
Temperature Rise This furnace is equipped with a multi-speed circulator blower. This blower provides ease in adjusting blower speeds. The Specifi- Air temperature rise is the temperature difference between cation Sheet applicable to your model provides an airflow table, supply and return air. The proper amount of temperature rise showing the relationship between airflow (CFM) and external is usually obtained when the unit is operated at the rated input static pressure (E.S.P.), for the proper selection of heating and... -
Page 25: Operational Checks
Operational Checks 4. Consult proper tables for the quantity of air. If the total external static pressure exceeds the maximum WARNING listed on the furnace rating plate, check for closed dampers, registers, undersized and/or oversized poorly laid out duct O AVOID PERSONAL INJURY OR DEATH DO NOT REMOVE ANY work. -
Page 26: Auxiliary Limit
Auxiliary Limit been cleared. Resetting From Lockout The auxiliary limit control is located either on or near the circulator blower and monitors heat exchanger compartment Furnace lockout results when a furnace is unable to achieve temperatures. The control is a normally closed (electrically), ignition after three attempts. -
Page 27: Maintenance
Filters Induced Draft and Circulator Blower Motors WARNING The bearings in the induced draft blower and circulator blower O AVOID PROPERTY DAMAGE PERSONAL INJURY OR DEATH motors are permanently lubricated by the manufacturer. No DISCONNECT ELECTRICAL POWER BEFORE REMOVING FILTERS EVER further lubrication is required. -
Page 28: Burner
Before Leaving an Installation • Cycle the furnace with the thermostat at least three times. Verify cooling and fan only operation. • Review the Owner’s Manual with the homeowner and discuss proper furnace operation and maintenance. • Leave literature packet near furnace. Repair and Replacement Parts •... -
Page 29: Component Id
Component ID Tubular Heat Exchanger Pressure Sensor Assembly Flue Pipe Connection Gas Line Entrance Gas Valve Inducer Gas Manifold Assembly Grommet Burner Assembly Integrated Control Module Blower Door Interlock Switch Circulator Blower Transformer Tubular Heat Exchanger 8 Wiring Harness Grommet Pressure Switch 9 Burner Assembly Flue Pipe Connection... -
Page 30: Troubleshooting Chart
Troubleshooting Chart Furnace Status LED Code¹ Fault Description(s) Possible Causes Corrective Action Cautions & Notes • Furnace fails to • No 120-volt power • Manual disconnect switch • Assure 120- and 24-volt • Turn power OFF operate. to furnace or 24-volt OFF, door switch open, or power to furnace integrated prior to repair. - Page 31 Troubleshooting Chart Furnace Status LED Code¹ Fault Description(s) Possible Causes Corrective Action Cautions & Notes • Furnace fails to • Burner temperature • Excessive flame. • Check and correct gas • See “Vent/Flue operate. switch open. supply pressure. Pipe” section for •...
- Page 32 Troubleshooting Chart CONTROL BOARDS • Integrated • ID plug installed • N/A • For control with unit-specific control module programming imbedded in ☼ LED has THREE the CPU, this indicates at 3 Rapid (3) GREEN rapid power-up that a valid ID plug Flashes flashes.
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Page 33: Blower Performance Data
Blower Performance Data MES80 CFM - EXTERNAL STATIC PRESSURE (Inches w.c.) Wi re Col or Ri s e Ri s e Ri s e Ri s e Ri s e Bl ue 1209 1141 1094 1048 1004 *MES800403AU Ora nge... -
Page 34: Wiring Diagram
Wiring diagram AUTO RESET BURNER TEMPERATURE CONTROL HUMIDIFIER INTEGRATED CONTROL MODULE TR (11) MVC (8) VALVE MV(12) PRESSURE TRANSDUCER PT (3) PT (2) PT (1) MICRO HLI (7) HLO (4) AUTO RESET AUXILIARY LIMIT CONTROLS RO2 (6) RO1 (5) TH (10) 24 VAC 40 VA TRANSFORMER... - Page 35 THIS PAGE INTENTIONALLY LEFT BLANK...
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Page 36: San Felipe Suite 500 • Houston, Tx
CUSTOMER FEEDBACK We are very interested in all product comments. 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 AMANA®...
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