Coleman MG9S060B12MP11, MG9S080B12MP11, MG9S100C16MP11, MG9S080C16MP11, MG9S100C20MP11 Technical Manual
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95.5% AFUE SINGLE STAGE
GAS-FIRED MANUFACTURED HOUSING
MULTI-POSITION GAS FURNACES
MODELS: MG9S
NATURAL GAS
60 - 120 MBH INPUT
Due to continuous product improvement,
specifications are subject to change without notice.
Additional efficiency rating information can
be found at www.gamanet.org.
TECHNICAL
GUIDE
TECHNICAL
GUIDE
426499-BTG-C-0912
DESCRIPTION
These compact units employ induced combustion, reliable hot
surface ignition and high heat transfer aluminized tubular heat
exchangers. The units are factory shipped for installation in
upflow applications and may be converted for downflow applications.
These furnaces are designed for residential mobile home, manufactured, or modular home installation. All units are factory
assembled, wired and tested to assure safe dependable and
economical installation and operation.
These units are Category IV direct vent, sealed combustion
listed and may be vented either through side wall or roof applications using approved plastic combustion air and vent piping.
WARRANTY
15-year limited warranty on the heat exchanger.
2-year limited parts warranty.
FEATURES
• Easily applied in upflow or downflow installation with minimal
conversion necessary.
• Compact, easy to install, ideal height 33" tall cabinet.
• Blower-off delay for cooling SEER improvement.
• Easy access to controls to connect power/control wiring.
• Built-in, high level self diagnostics with fault code displays
standard on integrated control module for reliable operation.
• Low unit amp requirement for easy replacement application.
• All models are convertable to use propane (LP) gas.
• Electronic Hot Surface Ignition saves fuel cost with increased
dependability and reliability.
• 100% shut off main gas valve for extra safety.
• 4 speed, direct drive PSC motor.
• 24V, 40 VA control transformer and blower relay supplied for
add-on cooling.
• Hi-tech tubular aluminized steel primary heat exchanger.
• Secondary heat exchanger made of corrosion resistant
stainless steel materials.
• Timed on, adjustable off blower capability for maximum
comfort.
• Blower door safety switch.
• Solid removable bottom panel allows easy conversion.
• Airflow leakage less than 1% of nominal airflow at
ductblaster conditions.
• No knockouts to deal with, making installation easier.
• Movable duct connector flanges for application flexibility.
• Quiet inducer operation.
• Inducer rotates for easy conversion of venting options.
• Fully supported blower assembly for easy access and
removal of blower.
• External air filters used for maximum flexibility in meeting
customers IAQ needs.
• Protection included from air intake, exhaust vent, or
condensate blockage.
• Patent pending self priming internal condensate trap design
for easy installation.
• Venting applications - installed as a 2-pipe (sealed
combustion) using outdoor air for combustion.
• No special vent termination required.
• 1/4 turn knobs provided for easy door removal.
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
426499-BTG-C-0912
FRONT
33
A
LEFT SIDE
Combustion Air Inlet
Condensate Drain
(Downflow)
Thermostat
Wiring
28.5”
Gas Pipe
Entry
Electrical
Entry
Condensate
Drain
Thermostat
Wiring
RIGHT SIDE
Condensate Drain
(Downflow)
14”
1”
1.5”
23”
Combustion Air Inlet
Gas Pipe
Entry
Electrical
Entry
Condensate
Drain
Optional Return Air
Cutout (Either side)
29.5”
C
SUPPLY END
.56”
.56”
20”
B
3”
23.8”
.56”
Combustion
Air Inlet
RETURN END
B
24.25”
2” Vent
Connection
Outlet
2” Vent
Connection
Outlet
2” Vent
Connection
Outlet
Cabinet & Duct Dimensions (Upflow configuration shown)
Models
Nominal
CFM
Cabinet
Size
Cabinet Dimensions (Inches)
ABC Lbs
MG9S060B12MP11 1200 B 17 1/2 16 3/8 13 1/4 122
MG9S080B12MP11 1200 B 17 1/2 16 3/8 14 3/4 126
MG9S080C16MP11 1600 C 21 19 7/8 16 1/2 136
MG9S100C16MP11 1600 C 21 19 7/8 18 1/4 142
MG9S100C20MP11 2000 C 21 19 7/8 18 1/4 145
MG9S120D20MP11 2000 D 24 1/2 23 3/8 21 3/4 156
Approximate
Operating Weights
Ratings & Physical / Electrical Data
Models
MG9S060B12MP11 60 57 1200 95.5 30-60 160 1/3 4.8 11 x 8 15 10.0 14
MG9S080B12MP11 80 76 1200 95.5 35-65 165 1/3 4.8 11 x 8 15 10.0 14
MG9S080C16MP11 80 76 1600 95.5 35-65 155 1/2 7.5 11 x 10 15 11.5 14
MG9S100C16MP11 100 95 1600 95.5 35-65 165 1/2 7.5 11 x 10 15 11.5 14
Input Output
MBH MBH CFM °F °F HP Amps
MG9S100C20MP11 100 95 2000 95.5 35-65 155 1 14.5 11 x 11 20 17.0 12
Nominal
Airflow
MG9S120D20MP11 120 114 2000 95.5 35-65 160 1 14.5 11 x 11 20 17.0 12
Annual Fuel Utilization Efficiency (AFUE) numbers are determined in accordance with DOE Test procedures.
Wire size and over current protection must comply with the National Electrical Code (NFPA-70-latest edition) and all local codes.
The furnace shall be installed so that the electrical components are protected from water.
AFUE
Air Temp.
Rise
Max. Outlet
Air Temp
Blower
Blower
Over-Current
Size
Max
Protect
Total Unit
Amps
Min. wire Size
(awg) @ 75 ft
one way
2 Johnson Controls Unitary Products
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