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I
NSTALLATION
*MEC80* & *CEC80
G
AS
(Type FSP CATEGORY I Direct
or Non Direct Vent Air Furnace)
(Type FSP CATÉGORIE I Direct
ou four á air souffl é non direct)
These furnaces comply with requirements
embodied in the American National Standard
/ National Standard of Canada ANSI Z21.47·C-
SA-2.3 Gas Fired Central Furnaces.
s a professional installer you have an obligation to know
A
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 specifi c 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 confl ict between existing practices and
the content of this manual, the precautions listed herein
take precedence.
IOG-2022
05/2019
is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.
I
NSTRUCTIONS FOR
F
URNACE
Installer:
Affi x all manuals
adjacent to the unit.
5151 San Felipe Suite 500 • Houston, TX 77056
www.goodmanmfg.com • www.amana-hac.com
© 2019 Goodman Manufacturing Company, L.P.

TABLE OF CONTENTS

Safety Considerations ..................................................... 2
Product Application .......................................................... 4
Location Requirements & Considerations ....................... 5
Exterior Masonry Chimneys .......................................... 10
Electrical Connections ................................................... 13
Gas Supply and Piping .................................................. 14
Circulating Air ................................................................ 17
Electrical ........................................................................ 17
Circulating Air & Filters .................................................. 24
Airfl ow Tables ................................................................ 28
Wiring Diagram .............................................................. 45
Maintenance .................................................................. 46
Before Leaving an Installation ....................................... 46
Repair and Replacement Parts ..................................... 47
O
NLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL
(
, "
")
REPAIR
HEREINAFTER
SERVICE
. T
SHOULD SERVICE THE EQUIPMENT
FOR ANY INJURY OR PROPERTY DAMAGE ARISING FROM IMPROPER SERVICE OR
. I
SERVICE PROCEDURES
F YOU SERVICE THIS UNIT
FOR ANY INJURY OR PROPERTY DAMAGE WHICH MAY RESULT
JURISDICTIONS THAT REQUIRE ONE OR MORE LICENSES TO SERVICE THE EQUIPMENT
,
SPECIFIED IN THIS MANUAL
ONLY LICENSED PERSONNEL SHOULD SERVICE THE
. I
EQUIPMENT
MPROPER INSTALLATION
THE EQUIPMENT SPECIFIED IN THIS MANUAL
SERVICE OR REPAIR THE EQUIPMENT SPECIFIED IN THIS MANUAL WITHOUT PROPER
TRAINING MAY RESULT IN PRODUCT DAMAGE
.
INJURY OR DEATH
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS
WARNING
Cancer and Reproduc ve Harm
www.P65Warnings.ca.gov
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
NOTE: Please contact your distributor or our website for
*
the applicable Specifi cation Sheet referred to in this manual.
,
,
ADJUST
SERVICE OR
THE EQUIPMENT SPECIFIED IN THIS MANUAL
HE MANUFACTURER WILL NOT BE RESPONSIBLE
,
YOU ASSUME RESPONSIBILITY
. I
N ADDITION
,
,
ADJUSTMENT
SERVICING OR REPAIR OF
,
OR ATTEMPTING TO INSTALL
,
,
PROPERTY DAMAGE
PERSONAL
-
,
IN
,
,
ADJUST
0140M00517-A

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Table of Contents
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Summary of Contents for Amana MEC80 Series

  • Page 1: Table Of Contents

    5151 San Felipe Suite 500 • Houston, TX 77056 IOG-2022 www.goodmanmfg.com • www.amana-hac.com 05/2019 © 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.
  • Page 2: Safety Considerations

    Always install a furnace to operate within the furnace’s AFETY ONSIDERATIONS intended temperature-rise range with a duct system which Adhere to the following warnings and cautions when installing, has external static pressure within the allowable range, as adjusting, altering, servicing, or operating the furnace. specifi...
  • Page 3 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 4: Product Application

    maximum CFM, and motor speed connections, and venting. 3. With concealed damage, carrier must be notifi ed as These furnaces are designed for Category I venting only. soon as possible - preferably within fi ve days. 4. File the claim with the following support documents WARNING within a nine month statute of limitations.
  • Page 5: Location Requirements & Considerations

    Combustion and Ventilation Air In the USA, this furnace MUST be installed in accordance with the latest edition of the ANSI Z223.1 booklet entitled “National • The furnace heat exchanger, components, duct Fuel Gas Code” (NFPA 54), and the requirements or codes of system, air fi...
  • Page 6 • Exposure to contaminated combustion air will result Do not install the furnace directly on carpeting, tile, or in safety and performance-related problems. Do other combustible material other than wood fl ooring. not install the furnace where the combustion air is (NOTE: The subbase will not be required if an air exposed to the following substances: conditioning coil is installed between the supply...
  • Page 7 ORIZONTAL NSTALLATION XISTING URNACE EMOVAL WARNING Line contact to framing is permitted when installed in the hor- izontal confi guration. Line contact is defi ned as the portion of CARBON MONOXIDE POISONING HAZARD the cabinet that is formed by the intersection of the top and Failure to follow the steps outlined below for each side.
  • Page 8: Combustion & Ventilation Air Requirements

    If resizing is required on any portion of the venting system, AVERTISSEMENT use the appropriate table in the latest edition of the National Fuel Gas Code ANSI Z223.1. RISQUE D'INTOXICATION AU MONOXYDE DE CARBONE Si les étapes décrites ci-dessous ne sont pas suivies pour HERMOSTAT OCATION chacun des appareils raccordés au système de ventilation...
  • Page 9 Most homes will require outside air be supplied to the furnace THIS PRODUCT IS NOT DESIGNED FOR COUNTER- area by means of ventilation grilles or ducts connecting directly CLOCKWISE INDUCED DRAFT BLOWER ROTATION. to the outdoors or spaces open to the outdoors such as attics Vent the furnace in accordance with the National Fuel Gas or crawl spaces.
  • Page 10: Exterior Masonry Chimneys

    This checklist is only a summary. For detailed information XTERIOR ASONRY HIMNEYS on each of the procedures mentioned, see the paragraph referenced with each item. ATEGORY URNACES An exterior masonry chimney is defi ned as a “Masonry” chim- Proper Chimney ney exposed to the outdoors on one or more sides below the Termination? (Check 1)
  • Page 11 If the chimney does not meet these termination requirements, Liquid fuel appliances include oil furnaces, oil-fi red boilers and but all other requirements in the checklist can be met, it may oil-fi red water heaters. be possible for a mason to extend the chimney. If this will not Appliances which burn propane (sometimes referred to as LP be practical, see Fix 1.
  • Page 12 Next, use a fl ashlight and small mirror to sight up the liner. B CSA B149.2 - latest editions and amendments, then the clay vent must be supported so as to not come into direct contact tile liner can probably be used as a vent for the gas appliances. with the chimney walls or tile liner.
  • Page 13: Electrical Connections

    4 - R • The vent connectors used are very long or have a ELINING large number of elbows. Relining options include B vent and fl exible liners. • Local experience indicates that fl exible liners installed without insulation are likely to have condensation If the chimney has diagonal offsets, B vent probably cannot problems.
  • Page 14: Gas Supply And Piping

    115 V ONNECTIONS WARNING Before proceeding with electrical connections, ensure that the HIGH VOLTAGE ! supply voltage, frequency, and phase correspond to that spec- O AVOID THE RISK OF INJURY ELECTRICAL SHOCK OR ifi ed on the unit rating plate. Power supply to the furnace must DEATH THE FURNACE MUST BE ELECTRICALLY be NEC Class 1, and must comply with all applicable codes.
  • Page 15 At all altitudes, the manifold pressure must be within 0.3 inches When sizing gas lines, be sure to include all appliances which w.c. of that listed in the Specifi cation Sheet applicable to your will operate simultaneously. model for the fuel used. At all altitudes and with either fuel, The gas piping supplying the furnace must be properly sized the air tempera ture rise must be within the range listed on the based on the gas fl...
  • Page 16 – OUNTERFLOW NSTALLATIONS Rigid metallic pipe and fi ttings. – When the gas piping enters through the left side of the furnace, Semi-rigid metallic tubing and metallic fi ttings. the installer must supply a straight pipe and a 90 degree elbow Aluminum alloy tubing must not be used in exterior to reach the exterior of the furnace.
  • Page 17: Circulating Air

    Manual 58. ROPANE IPING HARTS For satisfactory operation, propane gas pressure must be Sizing Between First and Second Stage Regulator* 10 inch WC at the furnace manifold with all gas appli ances Maximum Propane Capacities listed are based on 2 psig pressure drop at 10 psig setting. Capacities in 1,000 BTU/hour.
  • Page 18 NOTE: Both readings may be taken simultaneously and read When the furnace is used in connection with a cooling unit, directly on the manometer if so desired. If an air conditioner the furnace should be installed in parallel with or on the coil or Electronic Air Cleaner is used in conjunction with the upstream side of the cooling unit to avoid condensa tion in furnace, the readings must also include these components,...
  • Page 19: Electrical

    Upflow / Horizontal IRCULATION ILTERS Minimum Recommended Filter Size^ Models *MEC80403B* 1 - 16 X 25 Side or 1 - 14 X 24 Bottom Return *MEC80603B* 1 - 16 X 25 Side or 1 - 14 X 24 Bottom Return *MEC80604B* 1 - 16 X 25 Side or 14 X 24 Bottom Return *MEC80803B*...
  • Page 20 Figure 16 pump. Refer to the fossil fuel kit installation instructions for additional thermostat requirements. Strictly follow the wiring guidelines in the fossil fuel kit instal- Furnace lation instructions. All furnace connections must be made Integrated Control to the furnace two-stage integrated control module and the Module “FURNACE”...
  • Page 21 air cleaner neutral terminals are identifi ed as NEUTRAL. All fi eld INLET GAS SUPPLY PRESSURE wiring must conform to applicable codes. Connections should be Natural Gas Minimum: 4.5" w.c. Maximum: 10.0" w.c. made as shown. Propane Gas Minimum: 11.0" w.c. Maximum: 13.0"...
  • Page 22 proper furnace operation. All conversions must be performed • Use black iron or steel pipe and fi ttings for building by a qualifi ed installer, or service agency. piping. Where possible, use new pipe that is properly chamfered, reamed, and free of burrs and chips. If old CAUTION pipe is used, be sure it is clean and free of rust, scale, burrs, chips, and old pipe joint compound.
  • Page 23 long nipple is required. ROPANE ANKS AND IPING A semi-rigid connector to the gas piping can be used outside WARNING the cabinet per local codes. From the elbow, the length of pipe and the fi ttings required will vary by the side chosen, location F THE GAS FURNACE IS INSTALLED IN A BASEMENT AN EXCAVATED of union and cabinet width.
  • Page 24: Circulating Air & Filters

    3. The difference between the two numbers is .4” w.c. & F IRCULATING ILTERS Example: UCT WORK static reading from return duct = -.1” w.c. Duct systems and register sizes must be properly designed for the static reading from supply duct = .3” w.c. CFM and external static pressure rat ing of the furnace.
  • Page 25 Air Cleaner Installation Maximum Filter (Media) Air Cleaner Part Number Location Heating Airflow Dimensions Family Si de or bottom return 1200 CFM 16 i n X 20 i n x 5¼" AM11-1620-5 Si de or bottom return 1600 CFM 16 i n X 25 i n x 5¼" AM11-1625-5 AM11-5 Si de or bottom return...
  • Page 26 3. Turn ON the gas supply and operate the furnace and all UPPLY RESSURE EASUREMENT other gas consuming appliances on the same gas supply line. 4. Measure furnace gas supply pressure with burners fi ring. Supply pressure must be within the range specifi ed in the Inlet Gas Supply Pressure table.
  • Page 27 Measuring Inlet Gas Pressure (Alt. Method) Figure 24 NOTE: When converting from natural gas to L.P. consult your distributor for proper conversion kit. Manifold Gas Pressure Range Nominal Low Stage 1.6 - 2.2" w.c. 1.9" w.c. Natural High Stage 3.2 - 3.8" w.c. 3.5"...
  • Page 28: Airflow Tables

    GCEC800403AN IRFLOW ABLES PCBBF139 *CEC800403A* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL OFF OFF OFF* 1348 1294 1261 1250 1229 1233 1205 1182 ON OFF OFF ON ON OFF 1348 1294 1261 1250 1229 1233 1205 1182 OFF ON OFF OFF OFF ON...
  • Page 29 GCEC800603AN IRFLOW ABLES PCBBF139 *CEC800603A*- COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1160 1102 1055 1017 OFF OFF OFF* 1411 1356 1313 1272 1235 1198 1162 1127 ON OFF OFF 1160 1102 1055 1017 ON ON OFF 1411 1356 1313...
  • Page 30 GCEC800603BN IRFLOW ABLES PCBBF139 *CEC800603B* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1223 1144 1081 OFF OFF OFF* 1395 1332 1272 1207 1136 1074 1007 1032 ON OFF OFF 1223 1144 1081 1032 ON ON OFF 1395 1332 1272...
  • Page 31 GCEC800804BN IRFLOW ABLES PCBBF139 *CEC800804B* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1596 1553 1512 1491 1450 1411 1388 1347 OFF OFF OFF* 1757 1713 1691 1664 1625 1588 1552 1522 ON OFF OFF 1596 1553 1512 1491 1450...
  • Page 32 GCEC800805CN IRFLOW ABLES PCBBF139 *CEC800805C* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1782 1744 1715 1700 1660 1619 1579 1510 OFF OFF OFF* 2145 2089 2058 2036 2020 2000 1971 1935 1171 ON OFF OFF 1782 1744 1715 1700...
  • Page 33 GMEC-GCEC801005CN IRFLOW ABLES PCBBF139 **EC801005C* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1820 1769 1726 1685 1642 1603 1557 1521 OFF OFF OFF* 2235 2185 2139 2108 2076 2032 2000 1964 ON OFF OFF 1820 1769 1726 1685 1642...
  • Page 34 GCEC800804BN IRFLOW ABLES PCBBF139 *CEC800403A* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL OFF OFF OFF* 1348 1294 1261 1250 1229 1233 1205 1182 ON OFF OFF ON ON OFF 1348 1294 1261 1250 1229 1233 1205 1182 OFF ON OFF OFF OFF ON...
  • Page 35 GMEC800403AN IRFLOW ABLES PCBBF139 *MEC800403A* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1138 1093 1057 1016 OFF OFF OFF* 1367 1321 1286 1255 1223 1190 1160 1133 ON OFF OFF 1138 1093 1057 1016 ON ON OFF 1367 1321 1286...
  • Page 36 GMEC800603AN IRFLOW ABLES PCBBF139 *MEC800603A* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1151 1091 1050 1007 OFF OFF OFF* 1389 1341 1295 1258 1221 1176 1140 1105 ON OFF OFF 1151 1091 1050 1007 ON ON OFF 1389 1341 1295...
  • Page 37 GMEC800603BN IRFLOW ABLES PCBBF139 *MEC800603B* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1330 1280 1229 1187 1146 1103 1061 1018 OFF OFF OFF* 1465 1416 1382 1340 1299 1278 1257 1219 ON OFF OFF 1330 1280 1229 1187 1146...
  • Page 38 GMEC800603BN IRFLOW ABLES PCBBF139 *MEC800803B* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1160 1107 1060 1011 OFF OFF OFF* 1231 1185 1136 1093 1049 1004 ON OFF OFF 1160 1107 1060 1011 ON ON OFF 1231 1185 1136 1093...
  • Page 39 GMEC800804BN IRFLOW ABLES PCBBF139 *MEC800804B* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1574 1521 1481 1439 1398 1374 1335 1295 OFF OFF OFF* 1782 1726 1684 1645 1610 1574 1542 1506 ON OFF OFF 1574 1521 1481 1439 1398...
  • Page 40 GMEC800804CN IRFLOW ABLES PCBBF139 *MEC800804C* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1466 1399 1347 1290 1230 1170 1112 1054 OFF OFF OFF* 1904 1832 1777 1727 1678 1630 1579 1523 ON OFF OFF 1466 1399 1347 1290 1230...
  • Page 41 GMEC800805DN IRFLOW ABLES PCBBF139 *MEC800805D* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1698 1621 1553 1497 1437 1393 1328 1270 OFF OFF OFF* 2266 2202 2143 2090 2040 1995 1945 1896 1088 ON OFF OFF 1698 1621 1553 1497...
  • Page 42 GMEC800805CN IRFLOW ABLES PCBBF139 *MEC800805C* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1583 1536 1515 1478 1434 1383 1317 1265 OFF OFF OFF* 2145 2089 2058 2036 2020 2000 1971 1935 1171 ON OFF OFF 1583 1536 1515 1478...
  • Page 43 GMEC801004CN IRFLOW ABLES PCBBF139 *MEC801004C* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1265 1204 1146 1091 1034 OFF OFF OFF* 1598 1547 1509 1464 1417 1387 1340 1295 ON OFF OFF 1265 1204 1146 1091 1034 ON ON OFF 1598 1547...
  • Page 44 GMEC801205DN IRFLOW ABLES PCBBF139 *MEC801205D* - COOLING DIP Switches STATIC S1-1 S1-2 S1-3 T STAT CALL 1627 1566 1520 1470 1420 1398 1391 1343 OFF OFF OFF* 2226 2165 2126 2083 2048 2011 1983 1945 ON OFF OFF 1627 1566 1520 1470 1420...
  • Page 45: Wiring Diagram

    IRING IAGRAM WARNING:DISCONNECT POWER BEFORE SERVICING. WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED. ECM MTR HARNESS CIRCULATOR BLOWER EQUIPMENT GND FIELD GND FIELD SPLICE SWITCH (TEMP.) IGNITER SWITCH (PRESS.) OVERCURRENT PROT. DEVICE JUNCTION TERMINAL INTERNAL TO INTEGRATED CONTROL PLUG CONNECTION LOW VOLTAGE (24V) LOW VOLTAGE FIELD...
  • Page 46: Maintenance

    ORIZONTAL ILTER EMOVAL AINTENANCE Filters in horizontal installations are located in the central WARNING return register or the ductwork near the furnace. O AVOID ELECTRICAL SHOCK INJURY OR DEATH To remove: DISCONNECT ELECTRICAL POWER BEFORE PERFORMING ANY 1. Turn OFF electrical power to furnace. MAINTENANCE F YOU MUST HANDLE THE IGNITER 2.
  • Page 47: Repair And Replacement Parts

    EPAIR AND EPLACEMENT ARTS • When ordering any of the listed functional parts, be sure to provide the furnace model, manufacturing, and serial numbers with the order. • Although only functional parts are shown in the parts list, all sheet metal parts, doors, etc. may be ordered by description.
  • Page 48 We are very interested in all product comments. Please fi ll out the feedback 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® BRAND GOODMAN®...

This manual is also suitable for:

Cec80 series

Table of Contents