Nordyne Furnace FG7T User Manual

TECHNICAL  
SPECIFICATIONS  
FEATURES and BENEFITS  
FG7T (A and K Series)  
, Smartlite  
Two Stage, Fixed Speed,  
High Efficiency Upflow/Horizontal  
and Downflow Gas Furnaces  
i SEER: Energy efficient brushless DC (ECM) motor  
gives up to 1 SEER point efficiency gain in cooling.  
100% fired and tested: All units and each component  
are tested on the manufacturing line.  
Best packaging in the industry: Unique corner post  
design assures product will arrive to the homeowner dent  
free.  
®
LowBoyHeight:Easytoapplyinlowceilingapplications,  
works well with taller high SEER coils, easier to handle  
and install.  
Induced Draft - 80 + AFUE  
Input 60,000 - 140,000 Btuh  
Tubular primary heat exchanger: Heavy gauge  
aluminized steel heat exchanger assures a long life.  
30 second blower delay at start-up: Assures a warm  
duct temperature at furnace start-up. Adjustable blower  
off settings (60, 90, 120 and 180 seconds).  
30 second post purge: Increases life of heat  
exchanger.  
The high efficiency gas furnace may be installed free  
standing in a utility room, basement, or enclosed in an  
alcove or closet. The rounded corner jacket provides a  
pleasingappliance appearance.Design certified by CSA  
for application in Canada and the United States.  
Hot surface igniter: Innovative application of a silicon  
®
nitride igniter. Utilizes proven Smartlite technology.  
Color coded wire harness: Designed to fit the  
components, all with quick-connect fittings for ease of  
service and replacement.  
Highstaticblowers:Allmodelsequippedwithhighstatic  
blowers.  
90 second cooling cycle blower-off delay (TDR):  
Increases cooling performance when matched with a  
NORDYNE coil.  
Flexible category I venting system: May be vented  
with dedicated venting system or common vented with  
other category one appliances.  
Variable speed blower kit: Upgradable to full variable  
speed with kit.  
LPconvertible:Simpleburnerorificeandregulatorspring  
change for ease of convertibility.  
Diagnostic lights for easy troubleshooting without  
counting flashes: Dedicated light for flame signal  
strength and 2 lights in combination to indicate all other  
faultcodeswitheasytorecognizestateswithoutcounting  
flashes.  
Integrated control board: Incorporates connections for  
electronic air cleaner, humidifier and twinning.  
Two piece door design:Enhances furnace appearance  
and uses captured screws to prevent loosing door  
screws.  
WARRANTY  
– 10 Year all-parts warranty.  
– 10 Year Quality Pledge to replace the unit if the heat  
exchanger fails within the first 10 years of operation, to  
the original owner.  
– Consumer product registration required for 10 year  
All Parts Warranty and Quality Pledge within a limited  
period of time after the installation.See current warranty  
document or visit our consumer web site for warranty  
details.  
Blower Compartment: Insulated for ultra quiet  
operation.  
2 Stage Inducer:Optimizes efficiency on first stage heat  
and reduces sound levels.  
– When registered, this product is upgraded to a limited  
lifetime heat exchanger warranty.  
 
DIMENSIONS  
TOP VIEW  
D
C
FRONT  
BRACE  
*TA  
Model #’s  
Dimension Dimension Dimension Dimension  
“A” “B” “C” “D”  
060-23A1  
080-24B1  
100-24B1  
100-35C1  
120-35C1  
14  
1
10  
3
3
12  
5
7
3
12  
7
19  
23  
BOTTOM  
PANEL  
17  
1
11  
15  
16  
1
21  
14  
19  
19  
23  
5
ACCEPTS 4”  
TYPE B  
VENT PIPE  
140-45D1  
24  
1
15  
1
22 7  
1
BOTTOM VIEW  
B
Ø 7/8 HOLE FOR  
THERMOSTAT  
25 3/8  
22 1/4  
1 5/8 X 3 1/2  
HOLE FOR GAS  
Ø 7/8 HOLE FOR  
ELECTRIC  
Ø 7/8 HOLE FOR  
ELECTRIC  
25  
21 3/4  
4 KNOCK  
OUTS  
(BOTH SIDES)  
23  
15  
1 5/8 X 3 1/2 X 45°  
HOLE FOR  
GAS  
1 1/4  
23  
A
28  
RIGHT SIDE  
1
LEFT SIDE  
FG7TA 80+ High Efficiency Upflow/Horizontal Series  
TOP VIEW  
D
C
*TK  
Model #’s  
Dimension Dimension Dimension Dimension  
“A” “B” “C” “D”  
FRONT  
BRACE  
060-23A1  
080-24B1  
100-24B1  
100-35C1  
120-35C1  
14  
1
10  
3
3
12  
5
7
3
12  
7
19  
23  
17  
1
11  
15  
16  
1
21  
14  
19  
19  
23  
5
140-45D1  
24  
1
15  
1
22 7  
1
ACCEPTS 4”  
B
BOTTOM VIEW  
TYPE B  
VENT PIPE  
Ø 7/8 HOLE  
FOR THERMOSTAT  
22 1/4  
25  
Ø 7/8 HOLE  
FOR ELECTRIC  
Ø 7/8 HOLE  
FOR ELECTRIC  
1 5/8 X 3 1/2 X 45°  
HOLE FOR GAS  
1 5/8 X 3 1/2 HOLE  
FOR GAS  
7
7
25 3/8  
28  
A
RIGHT SIDE  
LEFT SIDE  
FG7TK 80+ High Efficiency Downflow Series  
3
 
BLOWER PERFORMANCE - FG7TA/TK  
FG7TA/TK - 80% AFUE,Two Stage Gas Furnace  
External Static Pressure (in.w.c.)  
0.3 0.4 0.5 0.6  
Motor Switch  
Setting  
Heating  
Input  
0.1  
0.2  
0.7  
0.8  
Model Number  
(Btuh)  
1/5 2/6 3/7 4/8 CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise  
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
600 74 555 80 510  
705 63 670 66 635 70 600 74  
775 57 740 60 705 63 665 67  
900 49 870 51 835 53 800 56 765 58 730 61 695 64 660 67  
950 47 920 48 890 50 855 52 825 54 795 56 765 58 730 61  
1000 44 970 46 940 47 910 49 880 51 850 52 820 54 790 56  
1075 41 1045 43 1015 44 985 45 960 46 925 48 900 49 870 51  
1110 40 1080 41 1055 42 1025 43 1000 44 975 46 945 47 920 48  
1170 38 1140 39 1115 40 1090 41 1060 42 1035 43 1010 44 985 45  
1210 37 1185 38 1160 38 1130 39 1105 40 1080 41 1055 42 1025 43  
1520 29 1225 36 1200 37 1175 38 1150 39 1120 40 1095 41 1070 42  
1305 34 1280 35 1255 35 1230 36 1205 37 1180 38 1155 38 1130 39  
1350 33 1230 36 1305 34 1285 35 1260 35 1240 36 1215 37 1195 37  
1440 31 1400 32 1365 33 1230 36 1295 36 1255 35 1220 36 1185 38  
*TA/TK-060(C)-*A1 60000  
725 82  
810 73  
940 63 890 67 845 70 795 75 750 79 700 85  
990 60 945 63 905 65 860 69 820 72 775 76 735 81 690 86  
1055 56 1015 58 970 61 930 64 890 67 845 70 805 74 760 78  
1135 52 1095 54 1055 56 1010 59 960 62 930 64 890 67 850 70  
1185 50 1145 52 1105 54 1065 56 1030 58 990 60 950 62 910 65  
1250 47 1210 49 1170 51 1135 52 1095 54 1055 56 1020 58 980 60  
1290 46 1255 47 1220 49 1180 50 1145 52 1110 53 1075 55 1040 57  
1315 45 1275 46 1240 48 1200 49 1160 51 1120 53 1085 55 1045 57  
1350 44 1315 45 1280 46 1245 48 1205 49 1170 51 1135 52 1100 54  
1390 43 1350 44 1315 45 1275 46 1240 48 1200 49 1160 51 1125 53  
1420 42 1380 43 1345 44 1310 45 1270 47 1235 48 1200 49 1160 51  
*TA/TK-080(C)-*B1 80000  
Notes:  
1. Motor Switch Settings are for heating speeds using HEAT switches 1, 2, 3, & 4 and cooling speeds using COOL switches 5, 6, 7, & 8.  
2. Two openings are recommended for airflows above 1600 CFM if the filter(s) is (are) adjacent to the furnace.  
3. Data is shown without filter.  
4. Temperature rises in the table are approximate. Actual temperature rises may vary.  
5. Temperature rises that are shaded in grey are for reference only. These conditions are not recommended.  
4
 
BLOWER PERFORMANCE - FG7TA/TK Continued  
G7TA/TK - 80% AFUE,Two Stage Gas Furnace  
External Static Pressure (in.w.c.)  
0.3 0.4 0.5 0.6  
Motor Switch  
Setting  
Heating  
Input  
0.1  
0.2  
0.7  
0.8  
Model Number  
(Btuh)  
1/5 2/6 3/7 4/8 CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise  
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
905 82 890 83 805 92 780 95  
980 76 930 80 900 82 835 89 820 90 800 93 715 104 670 111  
1095 68 1015 73 980 76 915 81 895 83 870 85 810 91 765 97  
1160 64 1100 67 1065 70 1035 72 995 74 940 79 895 83 865 86  
1230 60 1195 62 1170 63 1110 67 1075 69 1060 70 995 74 970 76  
1315 56 1275 58 1240 60 1195 62 1160 64 1140 65 1115 66 1075 69  
1345 55 1310 57 1280 58 1250 59 1220 61 1190 62 1140 65 1115 66  
1445 51 1390 53 1350 55 1315 56 1280 58 1250 59 1230 60 1185 63  
1490 50 1430 52 1420 52 1380 54 1340 55 1310 57 1280 58 1275 58  
1550 48 1510 49 1475 50 1450 51 1420 52 1375 54 1340 55 1325 56  
1600 46 1270 58 1540 48 1500 49 1475 50 1445 51 1425 52 1385 53  
1640 45 1605 46 1570 47 1550 48 1525 49 1490 50 1460 51 1430 52  
1690 44 1665 44 1630 45 1600 46 1570 47 1550 48 1515 49 1490 50  
1755 42 1730 43 1680 44 1660 45 1640 45 1610 46 1575 47 1550 48  
1805 41 1770 42 1740 43 1715 43 1690 44 1655 45 1645 45 1605 46  
1860 40 1825 41 1790 41 1765 42 1745 42 1710 43 1695 44 1660 45  
1125 66 1040 71 960 77  
100000  
*TA100(C)-*B1  
1205 61 1120 66 1040 71 960 77  
1305 57 1225 60 1150 64 1070 69 995 74 915 81  
1430 52 1350 55 1270 58 1190 62 1110 67 1030 72 950 78 865 86  
1525 49 1450 51 1375 54 1300 57 1225 60 1150 64 1075 69 1000 74  
1620 46 1540 48 1465 51 1390 53 1315 56 1240 60 1165 64 1090 68  
1695 44 1620 46 1545 48 1465 51 1390 53 1315 56 1235 60 1160 64  
1770 42 1700 44 1630 45 1555 48 1485 50 1410 53 1340 55 1265 59  
1875 40 1805 41 1730 43 1655 45 1580 47 1510 49 1435 52 1340 55  
1905 39 1840 40 1775 42 1710 43 1640 45 1575 47 1510 49 1445 51  
1980 37 1910 39 1845 40 1780 42 1715 43 1650 45 1580 47 1515 49  
2025 37 1960 38 1895 39 1830 40 1765 42 1700 44 1635 45 1570 47  
2085 36 2025 37 1960 38 1900 39 1840 40 1775 42 1715 43 1655 45  
2135 35 2070 36 2010 37 1945 38 1880 39 1815 41 1750 42 1685 44  
2200 34 2145 35 2090 35 2035 36 1980 37 1925 38 1870 40 1820 41  
2280 32 2225 27 2170 34 2115 35 2065 22 2010 37 1955 38 1900 39  
*TA/TK-100(C)-*C1 100000  
Notes:  
1. Motor Switch Settings are for heating speeds using HEAT switches 1, 2, 3, & 4 and cooling speeds using COOL switches 5, 6, 7, & 8.  
2. Two openings are recommended for airflows above 1600 CFM if the filter(s) is (are) adjacent to the furnace.  
3. Data is shown without filter.  
4. Temperature rises in the table are approximate. Actual temperature rises may vary.  
5. Temperature rises that are shaded in grey are for reference only. These conditions are not recommended.  
5
 
BLOWER PERFORMANCE - FG7TA/TK Continued  
FG7TA/TK - 80% AFUE,Two Stage Gas Furnace  
External Static Pressure (in.w.c.)  
0.3 0.4 0.5 0.6  
Motor Switch  
Setting  
Heating  
Input  
Model Number  
0.1  
0.2  
0.7  
0.8  
(Btuh)  
1/5 2/6 3/7 4/8 CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise  
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1125 79 1040  
1205 74 1120 79 1040 85  
1305 68 1225 73 1150 77 1070 83  
1430 62 1350 66 1270 70 1190 75 1110 80 1030 86  
1525 58 1450 61 1375 65 1300 68 1225 73 1150 77 1075 83 1000 89  
1620 55 1540 58 1465 61 1390 64 1315 68 1240 72 1165 76 1090 82  
1695 52 1620 55 1545 58 1465 61 1390 64 1315 68 1235 72 1160 77  
1770 50 1700 52 1630 55 1555 57 1485 60 1410 63 1340 66 1265 70  
1875 47 1805 49 1730 51 1655 54 1580 56 1510 59 1435 62 1340 66  
1905 47 1840 48 1775 50 1710 52 1640 54 1575 56 1510 59 1445 62  
1980 45 1910 47 1845 48 1780 50 1715 52 1650 54 1580 56 1515 59  
2025 44 1960 45 1895 47 1830 49 1765 50 1700 52 1635 54 1570 57  
2085 43 2025 44 1960 45 1900 47 1840 48 1775 50 1715 52 1655 54  
2135 42 2070 43 2010 44 1945 46 1880 47 1815 49 1750 51 1685 53  
2200 40 2145 41 2090 43 2035 44 1980 45 1925 46 1870 48 1820 49  
2280 39 2225 40 2170 41 2115 42 2065 43 2010 44 1955 45 1900 47  
1395 74 1350 77 1305 79 1260 82 1210 86 1165 89  
*TA/TK-120(C )-*C1 120000  
1465 71 1420 73 1375 75 1330 78 1290 80 1245 83 1200 86  
1555 67 1510 69 1470 71 1425 73 1380 75 1340 77 1295 80 1250 83  
1625 64 1585 65 1540 67 1500 69 1460 71 1415 73 1375 75 1335 78  
1690 61 1650 63 1610 64 1570 66 1530 68 1485 70 1445 72 1405 74  
1760 59 1715 60 1670 62 1625 64 1575 66 1530 68 1485 70 1440 72  
1835 57 1790 58 1745 59 1695 61 1650 63 1605 65 1555 67 1510 69  
1885 55 1840 56 1790 58 1745 59 1700 61 1655 63 1610 64 1565 66  
1945 53 1900 55 1850 56 1805 57 1760 59 1710 61 1665 62 1620 64  
1950 53 1905 54 1860 56 1820 57 1775 58 1735 60 1690 61 1650 63  
2075 50 2030 51 1990 52 1945 53 1900 55 1855 56 1810 57 1770 59  
2125 49 2085 50 2040 51 2000 52 1955 53 1910 54 1870 55 1825 57  
2170 48 2130 49 2090 50 2045 51 2005 52 1965 53 1925 54 1880 55  
2215 47 2180 48 2140 48 2105 49 2070 50 2035 51 2000 52 1965 53  
2225 47 2165 48 2100 49 2040 51  
*TA/TK-140(C)-*D1 140000  
2170 48 2120 49 2065 50  
Notes:  
1. Motor Switch Settings are for heating speeds using HEAT switches 1, 2, 3, & 4 and cooling speeds using COOL switches 5, 6, 7, & 8.  
2. Two openings are recommended for airflows above 1600 CFM if the filter(s) is (are) adjacent to the furnace.  
3. Data is shown without filter.  
4. Temperature rises in the table are approximate. Actual temperature rises may vary.  
5. Temperature rises that are shaded in grey are for reference only. These conditions are not recommended.  
6
 
MODEL IDENTIFICATION CODE  
FG  
7
T
A
080  
C
23  
B
1
Gas Furnace  
Design Series  
Revision Level  
Cabinet Width  
A = 14.25  
B = 17.50  
C = 21.00  
D = 24.50  
S = Single Stage  
T = Two Stage  
M = Modulating  
A = 80% Upflow/Horizontal  
C = 92.1% / 95.1% Upflow/Horizontal  
K = 80% Downflow  
L = 92.1% / 95.1% Downflow  
Q = 96.4+% AFUE Upflow/Horizontal  
Cooling Airflow  
23 = 2-3 Tons  
24 = 2-4 Tons  
35 = 3-5 Tons  
45 = 4-5 Tons  
V = VSB  
Input Heating Capacity  
060 = 60,000  
080 = 80,000  
100 = 100,000  
120 = 120,000  
140 = 140,000  
C = Standard  
D = 90+% AFUE Low NOx  
SPECIFICATIONS  
FG7TA/TK  
MODEL NUMBERS  
060C-23A1  
080C-24B1  
100C-24B1  
100C-35C1  
120C-35C1  
140C-45D1  
Input - Btuh (a)  
60,000 / 39,000 80,000 / 52,000 100,000 / 65,000 100,000 / 65,000 120,000 / 78,000 140,000 / 91,000  
48,000 / 31,200 64,000 / 41,600 80,000 / 52,000 80,000 / 52,000 96,000 / 62,400 112,000 / 72,800  
Heating Capacity - Btuh  
AFUE  
80.0  
10 x 6  
1/2 - BLDC  
6.2  
80.0  
11 x 8  
1/2 - BLDC  
6.2  
80.0  
11 x 8  
3/4 - BLDC  
8.7  
80.0  
11 x 10  
3/4 - BLDC  
8.7  
80.0  
11 x 10  
3/4 - BLDC  
8.7  
80.0  
11 x 10  
1 - BLDC  
11.7  
Blower D x W  
Motor H.P. - Speed - Type  
Motor FLA  
Rated Ext. SP - In. W.C.  
Temperature Rise Range - ºF  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
25-55  
30-60  
30-60  
35-65  
35-65  
40-70  
Shipping Weights  
115lbs  
110lbs  
120lbs  
125lbs  
135lbs  
155lbs  
All models are 115 V, 60 HZ. Gas connections are 1/2" N.P.T.  
AFUE= Annual Fuel Utilization Efficiency  
7
 
ACCESSORIES  
FG7TA/TK KITS  
Description  
SKU  
Fixed speed -to- variable speed  
904880  
902974  
904911  
904914  
904915  
903088  
904916  
904917  
904918  
541036  
"A" Cabinet downflow sub base kit  
"B", "C", "D" Cabinet downflow sub base kit  
U.S. LP Conversion kit (0 to 10,000 ft.)  
Canada LP Conversion kit (0 to 4,500 ft.)  
Bottom return filter 20 per box, "A" cabinet  
Bottom return filter 20 per box, "B" cabinet  
Bottom return filter 20 per box, "C" cabinet  
Bottom return filter 20 per box, "D" cabinet  
Side return filter kit  
GENERAL TERMS OF LIMITED WARRANTY  
NORDYNE will furnish a replacement for any part of this product which fails in normal use and service within the  
first ten years of installation, in accordance with the terms of the warranty.  
For complete details of the Limited Warranty, including applicable terms and conditions, see your local installer or  
contact the NORDYNE warranty department for a copy.  
8000 Phoenix Parkway | O'Fallon, MO 63368-3827  
Specifications and illustrations subject to change without notice and without incurring obligations. Printed in U.S.A (02/2010)  
819C-0210 (Replaces 819C-1009)  
 

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