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Installation Instructions for
*MVS80 Ultra Low NOx Gas Variable Speed 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.
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.
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.
DO NOT BYPASS SAFETY DEVICES
IOG-2024D
05/2023
Installer: Affix all manuals
adjacent to the unit.
WARNING
19001 Kermier Rd. Waller, Tx 77484
www.goodmanmfg.com • www.amana-hac.com
© 2020-2023
is a registered trademark of Maytag Corporation or its related companies and is
used under license. All rights reserved.
ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL, ADJUST,
SERVICE, MAINTENANCE OR REPAIR (HEREINAFTER, "SERVICE")
THE EQUIPMENT SPECIFIED IN THIS MANUAL SHOULD SERVICE
THE EQUIPMENT.
THIS EQUIPMENT IS NOT INTENDED FOR USE BY PERSONS INCLUD-
ING CHILDREN) WITH REDUCED PHYSICAL, SENSORY OR MENTAL
CAPABILITIES, OR LACK OF EXPERIENCE AND KNOWLEDGE,
UNLESS THEY HAVE BEEN GIVEN SUPERVISION OR INSTRUCTION
CONCERNING USE OF THE APPLIANCE BY A PERSON RESPONSIBLE
FOR THEIR SAFETY.
CHILDREN SHOULD BE SUPERVISED TO ENSURE THAT THEY DO
NOT PLAY WITH THE EQUIPMENT.
THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR ANY INJURY
OR PROPERTY DAMAGE ARISING FROM IMPROPER SUPERVISION,
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 EQUIP-
MENT SPECIFIED IN THIS MANUAL, ONLY LICENSED PERSONNEL
SHOULD SERVICE THE EQUIPMENT. IMPROPER SUPERVISION, IN-
STALLATION, ADJUSTMENT, SERVICING, MAINTENANCE OR REPAIR
OF THE EQUIPMENT SPECIFIED IN THIS MANUAL, OR ATTEMPT-
ING TO INSTALL, ADJUST, SERVICE OR REPAIR THE EQUIPMENT
SPECIFIED IN THIS MANUAL WITHOUT PROPER SUPERVISION OR
TRAINING MAY RESULT IN PRODUCT DAMAGE, PROPERTY DAMAGE,
PERSONAL INJURY OR DEATH.
This device, which was assembled by Goodman Manufacturing
Company, L.P., contains a component that is classified as an intentional
radiator. This intentional radiator has been certified by the FCC: FCC ID
QOQBGM111. And this international radiator has an Industry Canada
ID: IC 5123A-BGM111.
And this device meets the applicable Industry Canada technical
specifications.
The manufacturer of the intentional radiator (model no. BGM111) is
Silicon Laboratories Finland Oy, which can be contacted by calling
617-951-0200. (www.silabs.com)
This device complies with Part 15 of the FCC's Rules. Operation of this
device is subject to two conditions:
(1) This device may not cause harmful interference; and
(2) This device must accept any interference received, including
interference that may cause undesirable operation.
And this device meets the applicable Industry Canada technical
specification.
The FCC responsible party is Goodman Manufacturing Company, L.P.
, and may be contacted by calling 713-861-2500, or at 19001 Kermier
Rd., Waller TX 77484. (www.GoodmanMFG.com)
This equipment complies with FCC radiation exposure limits. To ensure
compliance, human proximity to the antenna shall not be less than
20 cm during normal operations.
WARNING
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Summary of Contents for Amana MVS80
- Page 1 Installation Instructions for WARNING *MVS80 Ultra Low NOx Gas Variable Speed Furnace ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL, ADJUST, CATEGORY I CATÉGORIE I SERVICE, MAINTENANCE OR REPAIR (HEREINAFTER, “SERVICE”) THE EQUIPMENT SPECIFIED IN THIS MANUAL SHOULD SERVICE THE EQUIPMENT.
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Page 2: Table Of Contents
TABLE OF CONTENTS NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection Safety Considerations..........3 against harmful interference in a residential installation. -
Page 3: Safety Considerations
Safety Considerations A gas-fired furnace for installation in a residential garage must be installed as specified in the LOCATION REQUIREMENTS IMPORTANT NOTE: This unit is designed to meet the NOX AND CONSIDERATIONS section of this manual. requirement of 14Ng/J maximum as required by the South This furnace may be used as a construction site heater only if Coast Air Quality Management District and the San Joaquin certain conditions are met. - Page 4 WARNING If the information in these instructions is not CARBON MONOXIDE POISONING HAZARD followed exactly, a fire or explosion may result Failure To Follow The Steps Outlined Below For Each Appliance causing property damage, personal injury or Connected To The Venting System Being Placed Into Operation loss of life.
- Page 5 RISQUE D’INTOXICATION AU MONOXYDE DE CARBONE Si les étapes décrites ci-dessous ne sont pas suivies pour chacun des appareils raccordés au système de ventilation au moment de sa mise en marche, cela peut entraîner une intoxication au monoxyde de carbone ou la mort. Les étapes suivantes doivent être suivies pour chacun des appareils raccordés au système de ventilation au moment de sa mise en marche, alors que tous les autres appareils raccordés au système de ventilation ne sont...
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Page 6: Electrostatic Discharge (Esd) Precautions
Additional Safety Considerations 3. Service integrated control module or connecting wiring following the discharge process in step 2. Use • This furnace is approved for Category I Venting only. caution not to recharge your body with static electricity; • Provisions must be made for venting combustion (i.e., do not move or shuffle your feet, do not touch products outdoors through a proper venting system. -
Page 7: Location Requirements And Considerations
• A room thermostat is used to control the furnace. Fixed The rated heating capacity of the furnace should be greater jumpers that provide continuous heating CANNOT be than or equal to the total heat loss of the area to be heated. used and can cause long term equipment damage. -
Page 8: Clearances And Accessibility
Top - 1" available in front of the unit. Back - 0" Installation Positions The *MVS80 furnace may be installed in an upright position Side Clearance - 1" or horizontal on either the left or right side panel. Do not install this furnace on its back. -
Page 9: Horizontal Installation
Line contact to framing is permitted when installed in the horizontal configuration. Line contact is defined as the portion of the cabinet that is formed by the intersection of the top and side. ACCESSIBILITY CLEARANCE, WHERE GREATER, SHOULD TAKE PRECEDENCE OVER MINIMUM FIRE PROTECTION CLEARANCE. -
Page 10: Thermostat Location
windows and all doors between the space in which Improved construction and additional insulation in buildings the appliance(s) connected to the venting system have reduced heat loss by reducing air infiltration and escape are located and other spaces of the building. Turn on around doors and windows. -
Page 11: Masonry Chimneys (Cat. I Furnaces Only)
Electrical Connections WARNING WARNING To prevent possible personal injury or death due to asphyxiation, common venting with other manufacturer’s HIGH VOLTAGE induced draft appliances is not allowed. To avoid personal injury or death due to electrical shock, disconnect electrical power The minimum vent diameter for the Category I venting system before servicing or changing any electrical wiring. -
Page 12: Junction Box Relocation
Junction Box Relocation This furnace is equipped with a blower door interlock switch which interrupts unit voltage when the blower door is opened WARNING for servicing. Do not defeat this switch. Gas Supply and Piping Edges of sheet metal holes may be sharp. Use gloves as a precaution when removing hole plugs. -
Page 13: Gas Piping Connections
• Use ground joint unions. Manifold Manifold CO2% • Install a drip leg to trap dirt and moisture before it can 80% Model Pressure at Pressure at Natural Gas enter the gas valve. The drip leg must be a minimum 5000 ft 7500 ft of three inches long. -
Page 14: Upflow Installations
Upflow Installations Duct systems and register sizes must be properly designed for the CFM and external static pressure rat ing of the A ground joint union, drip leg, and manual shutoff valve must furnace. Ductwork should be designed in accor dance with also be supplied by the installer. -
Page 15: Return Air Ductwork
Upflow/ Minimum Recommended Filter WARNING Horizontal Size^ Models Edges of sheet metal holes may be sharp. Use gloves as 1-16 X 25 Side or 1-14 X 24 a precaution when removing sheet metal from return air *MVS800604BU Bottom Return openings. 2-16 X 25 Side Return, 1-20 X 25 Filters - Read This Section Before Installing The *MVS800805CU... - Page 16 This furnace is Bluetooth ready and functions with the Cool OUTDOOR INDOOR BOARD TERMINAL BOARD TERMINAL Cloud HVAC phone application designed to improve the con- CONNECTIONS CONNECTIONS tractor’s setup / diagnostic experience. Users can see spe- cific model information, review active diagnostic error codes, observe system status during operation, make system menu adjustments, add site visit notes and run system testing of all operational modes (heat / cool / fan) directly from the phone.
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Page 17: Quick Start Guide For Non-Communicating Outdoor Units
a. Charge the outdoor unit as required using the INDOOR BOARD TERMINAL charging information provided with the outdoor CONNECTIONS equipment. 4) Confirm thermostat heating and cooling calls function proprly with equipment. Quick Start Guiide For Non-Communicating 24 VAC Thermostat Outdoor Units Remote When setting up a ComfortBridge™... - Page 18 2) Download the Cool Cloud HVAC phone application. Indoor Board Terminal 24 VAC NOTE: When new versions of Bluetooth Communication Soft- Connections Thermostat ware and Furnace Control Software are available, the phone application notifies the user. Software updates are classified as either optional or mandatory and installed by using the phone application.
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Page 19: Push Button Menu
Auxiliary Alarm Switch The control is equipped with a 24VAC Aux Alarm to be used for a condensate switch install (designated by CONDENSATE IN/OUT on the control). By default, the connected AUX switch is normally closed and opens when the water level in the evaporator coil base pan reaches an undesirable level. -
Page 20: Start-Up Procedure And Adjustment
• All line voltage wire splices must be made inside the 100% CFM furnace junction box. Startup Procedure & Adjustment Figure 30 Furnace must have a 115 VAC power supply properly connected and grounded. Proper polarity must be maintained for correct •... -
Page 21: Diagnostic Chart
Diagnostic Chart WARNING HIGH VOLTAGE To avoid personal injury or death due to electrical shock, disconnect electrical power before performing any service or maintenance. Refer to the Troubleshooting Chart in the back of this manual for assistance in determining the source of unit operational problems. -
Page 22: Gas Manifold Pressure Measurement And Adjustment
NOTE: If measuring gas pressure at the drip leg, a 7. Using a leak detection solution or soap suds, check field-supplied hose barb fitting must be installed prior to for leaks at outlet pressure Tap screw (White-Rodgers making the hose connection. If using the inlet pressure valve). -
Page 23: Operational Checks
Operational Checks 4. Turn ON gas and relight appliances turned off in step 1. Ensure all the appliances are functioning properly and that all pilot burners (if applicable) are operating. WARNING Temperature Rise To avoid personal injury or death, do not remove any internal compartment covers or attempt any adjustment. -
Page 24: Safety Circuit Description
Auxiliary Limit The auxiliary limit control is located either on or near the circulator blower and monitors heat exchanger compartment temperatures. The control is a normally closed (electrically), automatic reset, temperature activated sensor. It guards against overheating resulting from insufficient air passing over the heat exchanger. -
Page 25: Cleaning (Qualified Servicer Only)
Filters 2. Disconnect the rollout limit wires, flame sensor wire, and disconnect the igniter plug. WARNING CAUTION To avoid property damage, personal injury or death, disconnect electrical power before removing filters. Never Label all wires prior to disconnection when servicing operate furnace without a filter installed because dust controls. -
Page 26: 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 27: Menu Options
Menu Options LED Display Menu Description LED Display Menu Description Enable or disable inverter boost operation. (compressor speed may Gas Heat Airflow Trim (default = 0%) increase when this feature is on) (inverter only) Boost mode will operate above this selected temperature. On = Maximum Compressor Run Time Between Defrost Cycles (default ... -
Page 28: Status Codes
Status Codes Display Description of System Status Compressor Cooling, Low Stage (non-communicating units) Compressor Cooling, High Stage (non-communicating units) Compressor Heat, Low Stage (non-communicating units) Compressor Heat, High Stage (non-communicating units) Compressor Cooling, Single-Stage (single stage non-comm. units) ... -
Page 29: Troubleshooting Chart
Troubleshooting Chart Symptom LED Status Fault Description Corrective Actions Equipment lacks shared data Populate shared data set using memory card Normal operation None No 115 power to furnace or no 24 volt power to integrated control Furnace fails to operate module Restore high voltage power to furnace and integrated control module. - Page 30 Troubleshooting Chart Symptom LED Status Fault Description Corrective Actions Check filters for blockage, clean filters or remove obstruction Furnace operates at reduced performance or operates on Check ductwork for blockage, remove Airflow is lower than demanded low stage when high stage is obstruction and verify all registers are fully open expected Verify ductwork is appropriately sized for system,...
- Page 31 Troubleshooting Chart Symptom LED Status Fault Description Corrective Actions Grounding fault Furnace fails to operate Verify neutral wire connection to furnace & continuity to ground source Poor neutral connection Check for correct gas pressure Furnace fails to operate Open roll out switch Check for correct burner alignment Check for and correct burner restriction...
- Page 32 Troubleshooting Chart Symptom LED Status Fault Description Corrective Actions Flame sensed with no call for heat Correct short at flame sensor or in flame sensor Induced draft blower and wiring circulator blower runs Short to ground in flame sense continuously circuit Check for lingering or lazy flame...
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Page 33: Wiring Diagram
Wiring diagram LEFT CENTER RIGHT DATA AC BREAK OFF BREAK OFF TABS TABS 2 R C R C G W Y Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. -
Page 34: Start-Up Checklist
Start-Up Checklist Furnace Model Number Serial Number ELECTRICAL Line Voltage (Measure L1 to N and N to Ground Voltage) L - N N - G Secondary Voltage (Measure Transformer Output Voltage) R - C Blower Amps BLOWER EXTERNAL STATIC PRESSURE Return Air Static Pressure IN. - Page 35 THIS PAGE IS INTENTIONALLY LEFT BLANK...
- Page 36 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 you purchased to be directed to the feedback page. GOODMAN BRAND ®...
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