Lennox G17Q2-50 Unit Information

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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, 2Tons 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
4556
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 63, 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 RA10Ć16Ć53RA10Ć16Ć49
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