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NOTES:

1.

Refer to the condensate management and drain hose
plumbing for different configurations in this document. No
hose clamps are needed for the condensate pan hook up.

2.

Drip leg in the gas line must be installed.

3.

The furnace controls require correct polarity on the power
supply and a proper ground.

4.

Y & G must be connected to the control board for cooling
operation.

5.

To measure total static pressure add supply duct pressure to
the return duct pressure, add pressure drop across the ‘A’
coil, and add pressure drop across the filter. Ignore negative
signs on the readings.

6.

Inlet gas pressure for natural gas should be 7” and that for
propane should be 11” w.c. Nominal manifold gas pressure
is 3.5” for natural gas and 10” w.c. for propane.

7.

If thermoplastic evaporator ‘A’ coil drain pans are to be
installed in the up-flow/horizontal configuration, then extra 2”
minimum spacing may be needed to ensure against drain
pan distortion.

8.

External filters required on all configurations.

9.

Electrical entry is available on both sides of the casing.

10. All 33”, 95% furnaces are approved for single-pipe and 2-

pipe systems. For single pipe systems it is recommended to
install the combustion air coupling provided and install
approximately 18” of PVC pipe on the furnace.

11. Do not install an external condensate trap on these fur-

naces, as it will prevent the unit from operating correctly.

Models

Airflow CFM (Bottom Return without Filters)

Minimum Wire

Size awg @ 75'

One-Way

Total Unit

Amps

Maximum

Over Current

Protection

0.5" ESP (Nominal)

Low

Med-Lo

Med-Hi

High

(T,G)G9S040A08MP11

581 

653 

818 

950 14  8.0

15 

(T,G)G9S060A10MP11

769 

917 

1038 

1103 14  10.0

15 

(T,G)G9S060B12MP11

713 

872 

1082 

1243 14  10.0

15 

(T,G)G9S080B12MP11

854 

1008 

1179 

1370 14  10.0

15 

(T,G)G9S080C16MP11

838 

1250 

1465 

1671 14  11.5

15 

(T,G)G9S080C22MP11

1285 

1586

1937

2162

12 17.0

20 

(T,G)G9S100C16MP11

819 

1224 

1477 

1706 14  11.5

15 

(T,G)G9S100C20MP11

1183 

1430 

1712 

1934 12  17.0

20 

(T,G)G9S120D16MP11

876 

1254 

1495 

1805 14  11.5

15 

(T,G)G9S120D20MP11

1190 

1430 

1739 

1977 12  17.0

20 

(T,G)G9S130D20MP11

1198 

1459 

1786 

2047 12  17.0

20 

Models

Maximum

Vent Equivalent

1

Factory Heating

 Speed Setting

2

Temperature

Rise Range

Time For 1 ft

3

 Natural Gas  

(1030 Btu/Ft

3

)

Seconds On (Rate)

2"

3"

(T,G)G9S040A08MP11

65’

90’

Med-Hi 30°F-60°F 

93 

(T,G)G9S060A10MP11

65’

90’

High 30°F-60°F 

62 

(T,G)G9S060B12MP11

65’

90’

Med-Hi 30°F-60°F 

62 

(T,G)G9S080B12MP11

65’

90’

High 35°F-65°F 

46 

(T,G)G9S080C16MP11

65’

90’

High 35°F-65°F 

46 

(T,G)G9S080C22MP11

65’

90’

Med-Hi 35°F-65°F 

46 

(T,G)G9S100C16MP11

30’

90’

High 35°F-65°F 

37 

(T,G)G9S100C20MP11

30’

90’

Med-Hi 35°F-65°F 

37 

(T,G)G9S120D16MP11

30’

90’

High 40°F-70°F 

30 

(T,G)G9S120D20MP11

30’

90’

Med-Hi 35°F-65°F 

30 

(T,G)G9S130D20MP11

N/A 85’

High 

45°F-75°F 

28 

1. For venting purposes, one 90° sweep elbow is equal to 5 Ft. of venting length, one 90° standard elbow is equal to 10 equiva-

lent feet of vent length. Vent termination elbows are included in these calculations, minimum required vent length is 5 ft.

2. Must be changed if not in rise range.

This document does not replace the installation instructions, which must be referred to for 
detailed information.

CLEARANCES

* 24" clearance in front and 18" on side recommended for 

service access.

All furnaces approved for alcove and attic installation.

DIMENSIONS

LED INDICATOR

Slow Green Flash

• Normal operation

Slow Amber Flash

• Normal operation with call for heat

Any Red Flash = Fault condition

Any Rapid 4 Flash = Potential fault codes / conditions

SUPPLY END

RETURN END

LEFT SIDE

Combustion Air Inlet

Condensate Drain
(Downflow)

Vent Connection
Outlet

Thermostat

Wiring

29.5”

28.5”

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)

FRONT

A

33”

Clips can be flipped
into the up position
for coil cabinet or
plenum attachment

A-COIL

Follow all national, local codes and standards in addition to this document. The installation
must comply with regulations of the serving gas supplier, local building, heating, plumbing,
and other codes. In absence of local codes, the installation must comply with the national
codes and all authorities having jurisdiction.

B

24.25”

.56”

.56”

20”

3”

23.8”

.56”

Combustion
Air Inlet

2” Diameter
Vent Connection
Outlet

B

DURING INSTALLATION,
DOORS MUST REMAIN ON
FURNACE WHEN MOVING
OR LIFTING.

Vent Connection
Outlet

Application

Upflow

Downflow

Horizontal

Top

1" 0" 0" 

Vent

0" 0" 0" 

Rear

0" 0" 0" 

Side

0" 0" 1" 

Front*

0" 0" 0" 

Floor

Combustible

Combustible

1

1. For combustible floors only when used with special 

sub-base.

Combustible

Closet

Yes

Yes

Yes

Line Contact

No

No

Yes

Cabinet Size 

A (in) 

B (in) 

All 'A' Cabinet Furnaces 

14-1/2" 

13-3/8" 

All 'B' Cabinet Furnaces 

17-1/2" 

16-3/8" 

All 'C' Cabinet Furnaces 

21" 

19-7/8" 

All 'D' Cabinet Furnaces 

24-1/2" 

23-3/8" 

QUICK REFERENCE GUIDE

95.5% SINGLE STAGE MULTI-POSITION 

RESIDENTAL GAS FURNACES (33” TALL)

Subject to change without notice. Published in U.S.A.

401260-URG-E-0509

Copyright

 ©

 2009 by Johnson Controls, Inc. All rights reserved.

Supersedes: 401260-URG-D-0808

Johnson Controls Unitary Products

5005 York Drive

Norman, OK 73069

*401260*

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