Page 5
SPECIFICATIONS (contd.)
SPECIFICATIONS (units equipped with conventional multispeed blower motor)
Model No.
GSR21Q350
GSR21Q45
0
GSR21Q38
0
GSR21Q4/580
GSR21Q4/5100
Input Btuh
50,000
50,000
80,000
80,000
100,000
Output Btuh
47,000
47,000
71,000
72,000
92,000
*A.F.U.E.
94.8%
95.3%
91.7%
94.1%
92.0%
California Seasonal Efficiency
89.7%
90.1%
87.6%
88.6%
87.3%
Temperature rise range (
°
F)
30 60
25 55
40 70
30 60
45 75
High static certified by A.G.A. (in wg.)
.50
.50
.50
.50
.50
Gas Piping Size
Natural
1/2
1/2
1/2
1/2
1/2
I.P.S. (in.)
•
LPG
1/2
1/2
1/2
1/2
1/2
Vent/Intake air pipe size connection (in.)
2
2
2
2
2
Condensate drain connection (in.) SDR11
1/2
1/2
1/2
1/2
1/2
Blower wheel nominal diameter x width (in.)
10 x 8
10 x 10
10 x 10
12 x 12
12 x 12
Blower motor hp
1/3
1/2
1/3
3/4
3/4
Number and size of filters (in.)
(1) 20 x 25 x 1
Tons of cooling that can be added
11/2 3
31/2 4
2 3
31/2 5
31/2 5
Electrical characteristics
120 volts 60 hertz 1 phase (less than 12 amps) All models
LPG kit (optional)
**Furnished
•
LB65810C
Optional Horizontal Support Frame Kit Ship. Weight
LB56495CA (All Models) 18 lbs.
Optional Downflow Additive Base Shipping Weight
LB80639BB (All Models) 6 lbs.
•
LPG kit must be ordered extra for field changeover.
*Annual Fuel Utilization Efficiency based on D.O.E. test procedures and according to F.T.C. labeling regulations.
Isolated combustion system rating for nonweatherized furnaces.
**LPG orifice furnished as standard with unit for field changeover. Convertible gas valve requires simple adjustment without adding any parts. See installation instructions.
SPECIFICATIONS (units equipped with electronically controlled blower motor)
Model No.
G21V360
G21V380
G21V580
G21V5100
Input Btuh
60,000
80,000
80,000
100,000
Output Btuh
55,000
73,000
74,000
95,000
*A.F.U.E.
94.3%
94.5%
93.4%
94.5%
California Seasonal Efficiency
92.5%
92.4%
90.9%
91.5%
Temperature rise range (
°
F)
40 70
45 75
35 65
40 70
High static certified by A.G.A. (in wg.)
.80
.80
.80
.80
Gas Piping Size
Natural
1/2
1/2
1/2
1/2
I.P.S. (in.)
**LPG
1/2
1/2
1/2
1/2
Vent/Intake air pipe size connection (in.)
2
2
2
2
Condensate drain connection (in.) SDR11
1/2
1/2
1/2
1/2
Blower wheel nominal diameter x width (in.)
10 x 8
10 x 8
111/2 x 9
111/2 x 9
Blower motor hp
1/2
1/2
1
1
Number and size of filters (in.)
(1) 16 x 25 x 1
(1) 16 x 25 x 1
(1) 20 x 25 x 1
(1) 20 x 25 x 1
Tons of cooling that can be added
11/2, 2, 21/2 or 3
2, 21/2 or 3
31/2, 4 or 5
31/2, 4 or 5
Electrical characteristics
120V − 60hertz − 1 phase − 12.0 Amps Max
120V − 60hertz − 1 phase − 14.5 Amps Max
External Filter Cabinet (furnished)
•
Filter size (in.)
(1) 16 x 25 x 1
(1) 16 x 25 x 1
(1) 20 x 25 x 1
(1) 20 x 25 x 1
**LPG kit (optional)
LB65810B
LB65810B
LB65810B
LB65810C
•
Filter is not furnished with cabinet. Filter cabinet utilizes existing filter supplied with G21V unit.
*Annual Fuel Utilization Efficiency based on D.O.E. test procedures and according to F.T.C. labeling regulations.
Isolated combustion system rating for nonweatherized furnaces.
**LPG kit must be ordered extra for field changeover.
