Goodman MEC80 Series User manual
IOG-2022B
08/2021
www.goodmanmfg.com • www.amana-hac.com
embodied in the American National Standard
/ National Standard of Canada ANSI
Installer:
Ax all manuals
adjacent to the unit.
2
4
5
11
14
16
23
41
41
41
42
80% HEX
DO NOT LIFT
PRODUCT USING
HEAT EXCHANGER
2
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warnings exactly could result
in serious injury, death or property damage.
Never test for gas leaks with an open flame.
Use a commercially available soap solution made
specifically for the detection of leaks to check all
connections. A fire or explosion may result causing
property damage, personal injury or loss of life.
RISQUE D'INCENDIE OU D'EXPLOSION
Si les consignes de sécurité ne sont pas suivies à la lettre,
cela peut entraîner la mort, de graves blessures ou des
dommages matériels.
Ne jamais vérifier la présence de fuites de gaz au moyen
d'une flamme nue. Vérifier tous les raccords en utilisant
une solution savonneuse commerciale conçue
spécialement pour la détection de fuites. Un incendie ou
une explosion risque de se produire, ce qui peut entraîner
la mort, des blessures ou des dommages matériels.
of this
in
of this
in
the same space as the supply duct and be sealed to the
of
the
B10259-216
CO can cause serious illness including permanent brain
damage or death.
Advertencia especial para la instalación de calentadores ó manejadoras
de aire en áreas cerradas como estacionamientos ó cuartos de servicio.
B10259-216
El monóxido de carbono puede causar enfermedades severas
como daño cerebral permanente ó muerte.
Las emisiones de monóxido de carbono pueden circular a través
del aparato cuando se opera en cualquier modo.
B10259-216
RISQUE D'EMPOISONNEMENT AU MONOXYDE DE CARBONE
Le monoxyde de
des
carbone peut causer des maladies graves telles que
dommages permanents au cerveau et meme la mort.
Cette ventilation est nécessaire pour éviter le danger d'intoxication
au CO pouvant survenir si un appareil produisant du monoxyde
de carbone continue de fonctionner au sein de la zone confinée.
•
•
All units are securely packed in shipping containers
Make a notation on delivery receipt of any visible
•
•
•
•
representative at the time damage is reported to
Keep this literature in a safe place for future reference.
and servicing to protect the integrated control module from
Service integrated control module or connecting
Discharge your body to ground before removing a
• It must be installed per the installation instructions
• It must be installed indoors in a building constructed
• It must be part of a ducted system and not used in a
•
•
•
•
• Return air ducts are provided and sealed to the
•
•
daily during construction and upon completion of
•
• 100% outside air must be used for combustion during
supply outside air to the furnace for combustion – do
•
•
•
the furnace is operating in any mode
•
• Gas furnaces must be installed by a licensed plumber
•
•
to and the service area around the unit must have
or codes of the local utility or other authority having
Combustion and Ventilation Air Requirements.
•
•
•
•
Combustion and Ventilation Air Requirements section.
•
•
•
deicing salts or chemicals
carbon tetrachloride
halogen type refrigerants
printing inks
paint removers
varnishes
hydrochloric acid
cements and glues
antistatic fabric softeners for clothes dryers
•
•
•
•
position the furnace so that the burners and ignition
•
•
serves a separate appliance designed to burn solid
•
ensure the surface around the opening is smooth
•
•
• Adequate combustion/ventilation air must be supplied
•
• Return air ducts must be sealed to the
is
1" 1" 0" 1"
BACK
upow
horizontally installed upow
counterow
portion of the cabinet that is formed by the intersection of
furnace for installation in a residential garage must be
installed so that the ignition source and burners are located
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 monoxide 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) Seal any unused openings in the venting system.
2) Inspect the venting system for proper size and horizontal
pitch, as required in the National Fuel Gas Code, ANSI
Z223.1/NFPA 54 or the Natural Gas and Propane
Installation Code, CSA B149.1 and these instructions.
Determine that there is no blockage or restriction,
leakage, corrosion and other deficiencies which could
cause an unsafe condition.
3) As far as practical, close all building doors and windows
and all doors between the space in which the
appliance(s) connected to the venting system are located
and other spaces of the building.
4) Close fireplace dampers.
5) Turn on clothes dryers and any appliance not connected
to the venting system. Turn on any exhaust fans, such as
range hoods and bathroom exhausts, so they are
operating at maximum speed. Do not operate a summer
exhaust fan.
6) Follow the lighting instructions. Place the appliance being
inspected into operation. Adjust the thermostat so
appliance is operating continuously.
7) Test for spillage from draft hood equipped appliances at
the draft hood relief opening after 5 minutes of main
burner operation. Use the flame of a match or candle.
8) If improper venting is observed during any of the above
tests, the venting system must be corrected in
accordance with the National Fuel Gas Code, ANSI
Z223.1/NFPA 54 and/or Natural Gas and Propane
Installation Code, CSA B149.1.
9) After it has been determined that each appliance
connected to the venting system properly vents when
tested as outlined above, return doors, windows, exhaust
fans, fireplace dampers and any other gas-fired burning
appliance to their previous conditions of use.
8
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 pas en marche:
1) Sceller toutes les ouvertures inutilisées du système
de ventilation.
2) Inspecter le système de ventilation afin de vérifier si la
taille et l'inclinaison par rapport à l'horizontale sont
conformes aux exigences du National Fuel Gas Code,
ANSI Z223.1/NFPA 54 ou du Code d'installation du gaz
naturel et du propane, CSA B149.1 et à ces instructions.
Vérifier qu'il n'y a pas d'obstruction ou de restriction, de
fuite, de corrosion et d'autres problèmes qui pourraient
entraîner une situation dangereuse.
3) Si possible, fermer toutes les portes et fenêtres du
bâtiment ainsi que toutes les portes séparant l'endroit
où se trouvent les appareils raccordés au système de
ventilation et les autres zones du bâtiment.
4) Fermer le registre des foyers.
5) Mettre les sécheuses en marche ainsi que tous les
autres appareils qui ne sont pas raccordés au système de
ventilation. Mettre en marche tous les ventilateurs de
tirage, comme celui des hottes de cuisine et des salles de
bains, et les régler à la puissance maximale. Ne pas
mettre en marche les ventilateurs d'été.
6) Suivre les instructions d'allumage. Mettre en marche
l'appareil soumis à l'inspection. Régler le thermostat
de manière à ce que l'appareil fonctionne en continu.
7) Vérifier la présence de fuite au niveau de l'ouverture
du coupe-tirage des appareils qui en sont dotés après 5
minutes de fonctionnement du brûleur principal. Utiliser
la flamme d'une allumette ou d'une bougie.
8) Si un problème de ventilation est observé pendant
l'un des essais décrits ci-dessus, des correctifs doivent
être apportés au système de ventilation conformément
au National Fuel Gas Code, ANSI Z223.1/NFPA 54 et (ou)
au Code d'installation du gaz naturel et du propane, CSA
B149.1.
9) Une fois qu'il a été déterminé que chaque appareil
raccordé au système de ventilation fonctionne
correctement au moyen des essais décrits ci-dessus,
les portes, les fenêtres, les ventilateurs, les registres
de foyer et tous les autres appareils de combustion
alimentés au gaz doivent être remis dans leur état
initial.
use the appropriate table in the latest edition of the National
•
•
•
•
•
•
•
Improved construction and additional insulation in buildings
helped in reducing heating/cooling costs but have created
a problem supplying combustion and ventilation air for gas
building occupants to gas combustion products that could
adequate supply of combustion and ventilation air for all
Codes or applicable provisions of the local building codes
for determining the combustion air requirements for the
This furnace must use indoor air for combustion. It cannot be
installed as a direct vent (i.e., sealed com bustion) furnace.
9
area by means of ventilation grilles or ducts connecting
directly to the outdoors or spaces open to the outdoors such
furnace vented as Category I is considered a fan-assisted
appliance and the vent system does not have to be “gas
080
100
When an existing furnace
is removed from a venting system serving other appliances
the venting system may be too large to properly vent the
Furnaces
the draft inducer may be rotated to discharge from the right
Remove the round cutout from the right side of the
Remove the chimney transition bottom from the
10
11
not be damaged by heat from the burners or by the
Natural Gas
to compensate for the natural reduction in the density of
Natural None
None
None
None
12
1/2" 1" 1 1/2"
10
20 92 190 1100
980
180
80 90
90
100
•
•
•
•
• Install a drip leg to trap dirt and moisture before it can
•
of the gas valve on the manifold must be maintained
•
•
• Connect the furnace to the building piping by one of
Gas line
entrance
Right side
gas entrance
When the gas piping enters through the side of the furnace
•
•
•
•
•
•
may also need to supply a transition piece from ½” to another
• Close Nipple
•
•
Check for leaks using an approved chloride-free soap and
piping system before pressure testing the supply piping
All propane gas equipment must conform to the safety
available from most regulator manufacturers and propane
1/2" 1/2"
10
20
920
80
100 220
200 900 900
190
200
1/2" 1-1/8" 1/2" 1" 1-1/2"
10 92 199
20 189
21 181
19 90 129
18 198 910
121
80 29 289 89
100 11 90
10 81 122
921 109 202
200 819 100 112 209
8 100
the recommended methods of “Air Conditioning Contractors
upstream side of the cooling unit to avoid condensation in
be adequate to prevent chilled air from entering the furnace
prevent operation of either unit unless the damper is in the
recommended that a removable access panel be provided
or such that a sampling probe can be inserted into the
the same space as the supply duct and be sealed to the
Digital
Manometer
Damage or repairs due to the installation of the furnace
One of the most common causes of a problem in a forced
Upflow / Horizontal
Models Minimum Recommended Filter Size^
*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* 1 - 16 X 25 Side or Bottom Return
*MEC80804C* 1 - 16 X 25 Side or Bottom Return
*MEC80805C*¹ 1 - 16 X 25 Side or Bottom Return¹
*MEC80805D*¹ 1 - 16 X 25 Side or Bottom Return¹
*MEC81005C* 2 - 16 X 25 Side or 1 - 20 X 25 Bottom Return
*MEC81005C* 2 - 16 X 25 Side or 1 - 20 X 25 Bottom Return
Downflow / Horizontal
Models
*CEC80403B* 2 - 10 X 20 or 1 - 14 X 25 Top Return
*CEC80603B* 2 - 10 X 20 or 1 - 14 X 25 Top Return
*CEC80805C* 2 - 14 X 20 or 1 - 16 X 25 Top Return
*CEC81005C* 2 - 14 X 20 or 1 - 20 X 25 Top Return
¹ = use 2 - 16 X 25 filters and two side returns or 20 X 25
filter on bottom return if furnace is connected
to a cooling unit over 4 tons nominal capacity
^ Larger filters may be used, filters may also be centrally located
R
C
Furnace
Integrated
Control
Module
Remote Condensing Unit
(Single-Stage Cooling)
R
R
C
Furnace
Integrated
Control
Module
Remote Condensing Unit
(Single-Stage Cooling)
R
Furnace
Integrated
Control
Module
Remote Condensing Unit
(Two-Stage Cooling)
timed
period of time before stepping up to high stage to satisfy the
averages the cycle times of the previous three cycles and
uses the average to determine the time to transition from
1 2
2 Stage Stat
1 Stg Stat 10 min delay ON
1 Stg Stat 20 min delay ON ON
Auto
90
120 ON
180 ON ON
Group
Off Delay
Setup
uses an outdoor temperature sensor to determine the most
three stages of heat is required
•
•
Room
Thermostat
Y2
Y
W
W2
R
G
C
Ylo
Y
W
W2
R
G
C
Ylo
Y
W
W2
R
G
C
Furnace 1 Furnace 2
If it is necessary for the installer to supply additional line
Natural Gas
18
to the natural reduction in the density of both the gas fuel
Do
content of the
Startup
Procedure & Adjustment for use of this control during start
1/2" 1" 1 1/2"
10
20 92 190 1100
980
180
80 90
90
100
Refer to Gas Piping Connections
19
•
•
•
•
• Install a drip leg to trap dirt and moisture before it can
•
•
•
•
• Connect the furnace to the building piping by one of
•
•
aluminum-alloy tubing and connectors are coated to
reach the outside of the cabinet to seal the grommet cabinet
A semi-rigid connector to the gas piping can be used outside
Check for leaks using an approved chloride-free soap and
piping system before pressure testing the supply piping
Isolate this unit from the gas supply piping system by closing
Safety
Considerations
All propane gas equipment must conform to the safety
20
available from most regulator manufacturers and propane
Refer to the this illustration for typical propane gas
recommended methods of “Air Conditioning Contractors of
side returns or bottom return or a combination of side /
Both readings may be taken simultaneously and read
This manual suits for next models
1
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