December 15, 2019

G17Q3-75 Furnace SERVICE G17 UNIT INFORMATION Page 1992 Lennox

G17Q3-75 Furnace SERVICE G17 UNIT INFORMATION Page 1992 Lennox - page 1

SERVICE

G17

UNIT

INFORMATION

Page 1

 1992 Lennox Industries Inc.

Corp. 9132-L11

Litho U.S.A.

G17 SERIES UNITS

G17  and  G17X  series  units  are  mid-efficiency  gas  furĆ

naces  manufactured  with  Duracurve  heat  exchangers

formed of cold rolled steel. G17 units are available in heatĆ

ing capacities of 50,000 to 125,000 Btuh and cooling apĆ

plications up to 6 tons. Refer to Engineering Handbook for

proper sizing.

Units are factory equipped for use with natural gas. A kit is

available for conversion to LPG operation. All G17 and

G17X units use electronic (intermittent pilot) ignition.  The

G17X  unit  meets  the  California  Nitrogen  Oxides  (NO

x

)

Standards  and  California  Seasonal  Efficiency  requireĆ

ments. G17X units use only natural gas. All units use a reĆ

dundant gas valve to assure safety shut-off as required by

A.G.A.

A burner box damper assembly located on the intake side of

the burners is featured on G17 series units. A damper door in

the burner box shuts during unit off cycles to retain heat in the

unit. A damper prove switch ensures that damper is open beĆ

fore gas valve is energized. G17 furnaces use atmospheric

burners without an induced draft motor. All G17 units use a

draft hood which allows the use of standard single wall vent

connectors.

All specifications in this manual are subject to change.

Procedures outlined in this manual are presented as a recĆ

ommendation only and do not supersede or replace local

or state codes.  In the absence of local or state codes, the

guidelines and procedures outlined in this manual (except

where noted) are recommended only and do not constitute

code.

Model No.

Input Btuh

Output Btuh

*A.F.U.E.

Flue connection (in. diameter) round

Temperature rise range 

〈°

F)

High static certified by A.G.A.(in wg.)

Gas Piping Size I.P.S. inches – Natural (**LPG)

Blower wheel nominal diameter x width (in.)

Blower motor hp

Number and size of filters (in.)

Electrical characteristics

**Optional LPG Conversion Kit

G17Q2-50

G17Q2XĆ50

48,000

38,000

78.0%

4

20-50

.50

1/2 (1/2)

9 x 7

1/4

120 volts Ċ 60 hertz Ċ 1 phase (less than 12 amps) Ċ All Models

1, 1-1/2, 2

Tons of cooling that can be added

LB-62384DB (All Models)

75,000

59,000

78.0%

78.0%

78.0%

78.0%

100,000

79,000

100,000

79,000

125,000

98,000

4

5

5

6

35-65

35-65

25-55

35-65

.50

.50

.75

.50

1/2 (1/2)

1/2 (1/2)

1/2 (1/2)

1/2 (1/2)

10 x 7

10 x 8

12 x 12

12 x 12

1/3

1/2

3/4

3/4

(1) 16 x 25 x 1

2-1/2 or 3

5 or 6

5 or 6

3, 3-1/2 or 4

Not available with LPG.

*Annual Fuel Utilization Efficiency based on D.O.E. test procedures and according to F.T.C. labeling requirements. Isolated combustion system rating for non-weatherized furnaces.

**LPG kit must be ordered extra for field changeover.

***G17Q5/6XĆ100 model furnished with 25 x 26 x 1 filter.

SPECIFICATIONS

California Seasonal Efficiency – X" Models

72.3%

73.4%

73.7%

72.5%

Ć Ć Ć Ć

Continuous Low Speed Blower Kit (Optional)

Bottom Return Air

Filter (Optional)

Return Air Cabinet (Optional)

Part No.

Media Cut Size (in.)

LB-63646A (All Models)

Ć Ć Ć Ć

RA10Ć16Ć49

Ć Ć Ć Ć

Ć Ć Ć Ć

LBĆ62752DA (NonĆX Models)

25 x 26 x 1

RA10Ć16Ć49

RA10Ć16Ć53

RA10Ć16Ć53

RA10Ć16Ć49

Ć Ć Ć Ć

Ć Ć Ć Ć

Ć Ć Ć Ć

***(1) 20 x 25 x 1

G17Q3/4-100

G17Q3/4XĆ100

G17Q3-75

G17Q3XĆ75

G17Q5/6-100

G17Q5/6XĆ100

G17Q5/6-100

G17Q5/6XĆ100

G17Q5/6-125





SERVICE G17 UNIT INFORMATION Page 1   1992 Lennox Industries Inc. Corp. 9132-L11 Litho U.S.A. G17 SERIES UNITS G17  and  G17X  series  units  are  mid-efficiency  gas  furĆ naces  manufactured  with  Duracurve  heat  exchangers formed of cold rolled steel. G17 units are available in heatĆ ing capacities of 50,000 to 125,000 Btuh and cooling apĆ plications up to 6 tons. Refer to Engineering Handbook for proper sizing. Units are factory equipped for use with natural gas. A kit is available for conversion to LPG operation. All G17 and G17X units use electronic (intermittent pilot) ignition.  The G17X  unit  meets  the  California  Nitrogen  Oxides  (NO x ) Standards  and  California  Seasonal  Efficiency  requireĆ

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