Trane Air Conditioner Gat2a0c48s41sa User Manual
Modular  
Multi-position  
Air Handlers  
GAT2A0B42S31SA  
GAT2A0C48S41SA  
GAT2A0C60S51SA  
PUB. NO. 22-1857-03  
Contents  
Features and Benefits  
2
4
Optional Equipment  
Unique Cabinet Design Features and Benefits 5  
General Data  
6
6
6
6
GAT2A0B42S31SA  
GAT2A0C48S41SA  
GAT2A0C60S51SA  
Performance Data  
Electrical Data  
Wiring Diagrams  
Field Wiring  
7
10  
13  
15  
17  
18  
Convertibility  
Dimensions  
Pub. No. 22-1857-03  
3
Optional Equipment  
OPTIONAL EQUIPMENT FOR AIR HANDLERS  
Accessory Number  
BAYEAAC05BK1A  
BAYEAAC05LG1A  
BAYEAAC08BK1A  
BAYEAAC08LG1A  
BAYEAAC10BK1A  
BAYEAAC10LG1A  
BAYEABC15BK1A  
BAYEABC20BK1A  
BAYEACC25BK1A  
BAYSUPFLGBA  
BAYSUPFLGCA  
BAYRETFLGB  
Description  
Fits Cabinet Size  
Electric Heater, 5kW, Breaker, 24V Control, 1 Ph  
Electric Heater, 5kW, Lugs, 24V Control, 1 Ph  
Electric Heater, 8kW, Breaker, 24V Control, 1 Ph  
Electric Heater, 8kW, Lugs, 24V Control, 1 Ph  
Electric Heater, 10kW, Breaker, 24V Control, 1 Ph  
Electric Heater, 10kW, Lugs, 24V Control, 1 Ph  
Electric Heater, 15kW, Breaker, 24V Control, 1 Ph  
Electric Heater, 20kW, Breaker, 24V Control, 1 Ph  
Electric Heater, 25kW, Breaker, 24V Control, 1 Ph  
Supply Duct Flange B  
A to C  
A to C  
A to C  
A to C  
A to C  
A to C  
B to C  
B to C  
C
B
Supply Duct Flange C  
C
Return Duct Flange B  
B
BAYRETFLGCA  
TASB215SB  
Return Duct Flange C  
C
Plenum Stand B with integrated sound baffle  
Plenum Stand C with integrated sound baffle  
Side Return Kit  
B
TASB235SB  
C
BAYSRKIT100A  
BAYICSKIT01A  
BAYHHKIT001A  
BAYUVCLK001A  
BAYLVKIT100A  
A to C  
A to C  
A to C  
A to C  
A to C  
Internal Condensate Switch Kit  
Horizontal Hanger Kit  
UVC Lights  
Low Voltage Conduit Entry Kit  
4
Pub. No. 22-1857-03  
Unique Cabinet  
Design Features and Benefits  
2 Precision Durable  
1 Unique Cabinet Design  
Door Seals  
0 Thermal Expansion  
5 Conduit  
Valve (TXV)  
Connections  
3 Refrigeration  
Connections  
e Integrated Horizontal  
Drain Pans  
8 All Aluminum Coil  
4 Condensate  
Connections  
r Safety Door Switch  
7 VorticaTM Blower  
and Deck  
6 Tool-less Door  
9 Labeled Panels  
Fasteners  
and Connections  
w Compact 20.8” Depth  
q Maximum width  
with Doors Removed  
is 23.5”  
8 All Aluminum Coil  
1 Unique Cabinet Design  
- Integrated Slide Deck for Easy Removal  
- Polarized Plug connections on Coil EEV  
- Patented Enhanced Coil Fin  
- Double wall foamed cabinet system  
- Waterproof Cabinet Design  
- R-4.2 Insulating Value (Avg Insulating Value R-8.2)  
- Composite Foamed Cabinet Doors  
- Sweat Eliminating Cabinet Design  
- Loose Fiber Eliminating Design  
9 Labeled Panels and Connections  
0 R-410A Thermal Expansion Valve (TXV)  
q Maximum width is 23.5”  
w Compact 20.8” Depth with Doors Removed  
e Integrated Horizontal Drain Pans  
r Safety Door Switch - Fused 24V Power  
t Modular Cabinet  
- Smooth Cleanable Cabinet Design  
2 Precision Durable Door Seals  
3 Refrigeration Connections  
4 Condensate Connections  
5 Conduit Connections - Conduit Connections on Left,  
Right, and Top  
6 Tool-less Door Fasteners  
7 VorticaTM Blower and Deck - Polarized Plug on Blower  
Pub. No. 22-1857-03  
5
General  
Data  
PRODUCT SPECIFICATIONS  
GAT2A0B42S31SA  
208-230/1/60  
GAT2A0C48S41SA  
208-230/1/60  
GAT2A0C60S51SA  
208-230/1/60  
See O.D. Specifications  
MODEL  
RATED VOLTS/PH/HZ.  
RATINGS 1  
See O.D. Specifications  
See O.D. Specifications  
Plate Fin  
3 - 14  
Plate Fin  
3 - 14  
Plate Fin  
4 - 14  
INDOOR COIL — Type  
Rows — F.P.I.  
5.04  
3/8  
5.50  
3/8  
5.50  
3/8  
Face Area (sq. ft.)  
Tube Size (in.)  
TXV  
TXV  
TXV  
Refrigerant Control  
3/4 NPT  
See Outline Drawing  
3/4 NPT  
See Outline Drawing  
3/4 NPT  
See Outline Drawing  
Drain Conn. Size (in.)  
DUCT CONNECTIONS  
INDOOR FAN — Type  
Diameter-Width (In.)  
No. Used  
Drive - No. Speeds  
CFM vs. in. w.g.  
No. Motors — H.P.  
Motor Speed RPM  
Volts/Ph/Hz  
2
Centrifugal  
10 X 10  
1
Direct - 3  
See Fan Performance Table  
1 - 1/2  
Centrifugal  
11 X 10  
1
Direct - 3  
See Fan Performance Table  
1 - 1/2  
Centrifugal  
11 X 10  
1
Direct - 5 3  
See Fan Performance Table  
1 - 1  
1075  
208-230/1/60  
2.7 - 5.0  
1075  
208-230/1/60  
3.1 - 5.5  
1050  
208-230/1/60  
7.6 - n/a  
F.L. Amps - L.R. Amps  
FILTER  
No  
Throwaway  
1 - 20 X 20 - 1 in.  
R-410A  
No  
Throwaway  
1 - 20 X 22 - 1 in.  
R-410A  
No  
Throwaway  
1 - 20 X 22 - 1 in.  
R-410A  
Filter Furnished?  
Type Recommended  
No.-Size-Thickness  
REFRIGERANT  
Brazed  
7/8  
3/8  
Brazed  
7/8  
3/8  
Brazed  
7/8  
3/8  
Ref. Line Connections  
Coupling or Conn. Size — in. Gas  
Coupling or Conn. Size — in. Liq.  
DIMENSIONS  
Crated (In.)  
Uncrated  
H x W x D  
56.8 x 23.5 x 24.5  
55.7 x 21.3 x 21.8  
H x W x D  
58 x 25.5 x 24.5  
56.9 x 23.5 x 21.8  
H x W x D  
62.8 x 25.5 x 24.5  
61.7 x 23.5 x 21.8  
WEIGHT  
144/133  
155/143  
171/159  
Shipping (Lbs.)/Net (Lbs.)  
1 These Air Handlers are AHRI certified with various Split System Air Conditioners  
and Heat Pumps (AHRI STANDARD 210/240). Refer to the Split System Outdoor  
Unit Product Data Guides for performance data.  
2 3/4" Male Plastic Pipe (Ref.: ASTM 1785-76)  
3 Constant torque Motor  
6
Pub. No. 22-1857-03  
General  
Data  
GAT2A0B42 AIRFLOW PERFORMANCE TABLE  
AIRFLOW PERFORMANCE  
GAT2A0B42S31SA  
EXTERNAL STATIC  
AIRFLOW (CFM)  
(in w.g)  
Speed Taps - 230 VOLTS  
Speed Taps - 208 VOLTS  
3
2 †  
1
3
2 †  
1
0
0.1  
1646  
1599  
1546  
1488  
1425  
1353  
1259  
1145  
982  
1495  
1464  
1421  
1380  
1329  
1264  
1182  
1081  
909  
1358  
1335  
1313  
1280  
1233  
1178  
1108  
995  
1522  
1489  
1449  
1401  
1348  
1281  
1202  
1102  
926  
1298  
1285  
1260  
1233  
1193  
1140  
1075  
965  
1138  
1137  
1120  
1099  
1065  
1023  
958  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
868  
0.8  
839  
817  
753  
0.9  
788  
759  
731  
761  
713  
N/A  
1.0  
563  
N/A  
N/A  
538  
N/A  
N/A  
NOTES:  
1. Values are with wet coil and without filters.  
2. Contact your particular filter manufacturer for pressure drop data.  
3. Electric heater pressure drop is negligible and is included within the airflow data.  
4. † Factory Setting  
GAT2A0B42S31SA MINIMUM HEATER AIRFLOW CFM  
Note: Heating and cooling  
speeds are the same, factory  
set at Speed Tap #2.  
Heater  
Minimum Air Speed Tap  
With Heat Pump  
Without Heat Pump  
Tap 1  
BAYEAAC05BK1AA  
BAYEAAC05LG1AA  
Tap 1  
Tap 1  
Tap 1  
BAYEAAC08BK1AA  
BAYEAAC08LG1AA  
Tap 1  
Tap 1  
BAYEAAC10BK1AA  
BAYEAAC10LG1AA  
BAYEABC15BK1AA  
BAYEABC20BK1AA  
Tap 1  
Tap 3  
Tap 1  
Tap 1  
SEE AIR HANDLER NAMEPLATE FOR ADDITIONAL INFORMATION  
Pub. No. 22-1857-03  
7
Performance  
Data  
GAT2A0C48 AIRFLOW PERFORMANCE TABLE  
AIRFLOW PERFORMANCE  
GAT2A0C48S41SA  
EXTERNAL STATIC  
AIRFLOW (CFM)  
(in w.g)  
Speed Taps - 230 VOLTS  
Speed Taps - 208 VOLTS  
3
2 †  
1
3
2 †  
1
0
0.1  
1904  
1881  
1844  
1806  
1766  
1716  
1659  
1594  
1525  
1442  
1345  
1711  
1687  
1666  
1637  
1602  
1560  
1513  
1458  
1395  
1310  
N/A  
1541  
1529  
1511  
1485  
1454  
1420  
1380  
1333  
1277  
1194  
N/A  
1652  
1640  
1619  
1592  
1559  
1524  
1484  
1434  
1376  
1304  
1194  
1455  
1450  
1425  
1410  
1381  
1351  
1321  
1283  
1229  
1149  
N/A  
1305  
1288  
1271  
1249  
1231  
1198  
1165  
1127  
1067  
N/A  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
0.8  
0.9  
1.0  
N/A  
NOTES:  
1. Values are with wet coil and without filters.  
2. Contact your particular filter manufacturer for pressure drop data.  
3. Electric heater pressure drop is negligible and is included within the airflow data.  
4. † Factory Setting  
GAT2A0C48S41SA MINIMUM HEATER AIRFLOW CFM  
Note: Heating and cooling  
speeds are the same, factory  
set at Speed Tap #2.  
Heater  
Minimum Air Speed Tap  
With Heat Pump  
Without Heat Pump  
Tap 1  
BAYEAAC05BK1AA  
BAYEAAC05LG1AA  
Tap 1  
Tap 1  
Tap 1  
BAYEAAC08BK1AA  
BAYEAAC08LG1AA  
Tap 1  
Tap 1  
BAYEAAC10BK1AA  
BAYEAAC10LG1AA  
BAYEABC15BK1AA  
BAYEABC20BK1AA  
BAYEACC25BK1AA  
Tap 1  
Tap 1  
Tap 3  
Tap 1  
Tap 1  
Tap 2 1  
1 Not qualified for 208 V  
SEE AIR HANDLER NAMEPLATE FOR ADDITIONAL INFORMATION  
8
Pub. No. 22-1857-03  
Performance  
Data  
GAT2A0C60 AIRFLOW PERFORMANCE TABLE  
AIRFLOW PERFORMANCE  
GAT2A0C60S51SA  
EXTERNAL STATIC  
AIRFLOW (CFM)  
(in w.g)  
Speed Taps - 230 VOLTS  
Speed Taps - 208 VOLTS  
5
4 †  
3
2
1
5
4 †  
3
2
1
0
0.1  
2169  
2161  
2130  
2102  
2066  
2015  
1959  
1888  
1811  
1750  
1680  
1956  
1916  
1889  
1850  
1818  
1785  
1754  
1716  
1680  
1628  
1604  
1874  
1839  
1803  
1774  
1741  
1707  
1673  
1638  
1605  
1561  
1533  
1739  
1696  
1667  
1628  
1596  
1564  
1520  
1477  
1440  
1403  
1368  
1633  
1588  
1554  
1523  
1491  
1457  
1408  
1372  
1323  
1291  
1256  
2165  
2155  
2121  
2090  
2052  
1998  
1939  
1880  
1820  
1770  
1725  
2033  
1990  
1961  
1919  
1884  
1848  
1814  
1774  
1735  
1680  
1654  
1871  
1833  
1795  
1763  
1727  
1690  
1653  
1615  
1580  
1533  
1503  
1736  
1690  
1659  
1617  
1582  
1547  
1500  
1455  
1415  
1376  
1337  
1629  
1582  
1545  
1511  
1477  
1440  
1389  
1349  
1298  
1263  
1226  
0.2  
0.3  
0.4  
0.5  
0.6  
0.7  
0.8  
0.9  
1.0  
NOTES:  
1. Values are with wet coil and without filters.  
2. Contact your particular filter manufacturer for pressure drop data.  
3. Electric heater pressure drop is negligible and is included within the airflow data.  
4. † Factory Setting  
GAT2A0C60S51SA MINIMUM HEATER AIRFLOW CFM  
Note: Heating and cooling  
Heater  
Minimum Air Speed Tap  
speeds are the same, factory  
set at Speed Tap #4 for the  
CTM motor.  
With Heat Pump  
Without Heat Pump  
Tap 2  
BAYEAAC05BK1AA  
BAYEAAC05LG1AA  
Tap 2  
Tap 3  
Tap 3  
BAYEAAC08BK1AA  
BAYEAAC08LG1AA  
Tap 2  
Tap 2  
BAYEAAC10BK1AA  
BAYEAAC10LG1AA  
BAYEABC15BK1AA  
BAYEABC20BK1AA  
BAYEACC25BK1AA  
Tap 4  
Tap 4  
Tap 5  
Tap 3  
Tap 3  
Tap 4  
SEE AIR HANDLER NAMEPLATE FOR ADDITIONAL INFORMATION  
Pub. No. 22-1857-03  
9
Performance  
Data  
WIRING DATA  
GAT2A0B42S31SA  
240 VOLT  
Heater  
208 VOLT  
Heater  
Model  
No.  
No.  
of  
Circuits  
Heater  
Amps  
per  
Minimum  
Circuit  
Maximum  
Overload  
Protection  
Minimum  
Circuit  
Ampacity  
Maximum  
Overload  
Protection  
Capacity  
kW BTUH  
Capacity  
kW BTUH  
Amps  
per  
Ampacity  
Circuit  
Circuit  
No Heater  
-
-
-
2.7**  
20  
3
15  
30  
45  
60  
-
-
2.7**  
17.3  
27.7  
34.6  
3
15  
25  
40  
50  
BAYEAAC05++  
BAYEAAC08++  
BAYEAAC10++  
1
1
1
4.80  
7.68  
9.60  
16400  
26200  
32800  
28  
43  
53  
3.60  
5.76  
7.20  
12300  
19700  
24600  
25  
38  
47  
32  
40  
BAYEABC15++  
circuit 1  
9.60  
4.80  
32800  
16400  
40  
20  
53  
25  
60  
25  
7.20  
3.60  
24600  
12300  
34.6  
17.3  
47  
22  
50  
25  
circuit 2  
BAYEABC20++  
circuit 1  
9.60  
9.60  
32800  
32800  
40  
40  
53  
50  
60  
50  
7.20  
7.20  
24600  
24600  
34.6  
34.6  
53  
43  
60  
45  
circuit 2  
Note: ** Motor Amps  
10  
Pub. No. 22-1857-03  
Performance  
Data  
WIRING DATA  
GAT2A0C48S41SA  
240 VOLT  
208 VOLT  
Heater  
Heater  
Model  
No.  
No.  
of  
Circuits  
Heater  
Minimum Maximum  
Amps  
Minimum  
Circuit  
Maximum  
Overload  
Capacity  
kW BTUH  
Capacity  
kW BTUH  
Amps  
per  
Circuit  
Ampacity Protection  
Overload  
per  
Circuit  
Ampacity Protection  
Circuit  
No Heater  
-
-
-
3.1**  
20.0  
32.0  
40.0  
4
15  
30  
45  
60  
-
-
3.1**  
17.3  
27.7  
34.6  
4
15  
30  
40  
50  
BAYEAAC05++  
BAYEAAC08++  
BAYEAAC10++  
1
1
1
4.80  
7.68  
9.60  
16400  
26200  
32800  
29  
44  
54  
3.60  
5.76  
7.20  
12300  
19700  
24600  
26  
38  
47  
BAYEABC15++  
circuit 1  
9.60  
4.80  
32800  
16400  
40.0  
20.0  
54  
25  
60  
25  
7.20  
3.60  
24600  
12300  
34.6  
17.3  
47  
22  
50  
25  
circuit 2  
BAYEABC20++  
circuit 1  
9.60  
9.60  
32800  
32800  
40.0  
40.0  
54  
50  
60  
50  
7.20  
7.20  
24600  
24600  
34.6  
34.6  
53  
43  
60  
45  
circuit 2  
BAYEABC25++ 1  
circuit 1  
9.60  
9.60  
4.80  
32800  
32800  
16400  
40.0  
40.0  
20.0  
54  
50  
25  
60  
50  
25  
7.20  
7.20  
3.60  
24600  
24600  
12300  
34.6  
34.6  
17.3  
47  
43  
22  
50  
45  
25  
circuit 2  
circuit 3  
Note: ** Motor Amps  
1 Not qualified for 208 V without Heat Pump  
Pub. No. 22-1857-03  
11  
Performance  
Data  
WIRING DATA  
GAT2A0C60S51SA  
240 VOLT  
Heater  
208 VOLT  
Heater  
Model  
No.  
No.  
of  
Circuits  
Heater  
Amps  
per  
Minimum  
Circuit  
Maximum  
Overload  
Protection  
Minimum  
Circuit  
Ampacity  
Maximum  
Overload  
Protection  
Capacity  
kW BTUH  
Capacity  
kW BTUH  
Amps  
per  
Ampacity  
Circuit  
Circuit  
No Heater  
-
-
-
7.6**  
20.0  
32.0  
40.0  
10  
35  
50  
60  
15  
35  
50  
60  
-
-
7.6**  
17.3  
27.7  
34.6  
10  
31  
44  
53  
15  
35  
45  
60  
BAYEAAC05++  
BAYEAAC08++  
BAYEAAC10++  
1
1
1
4.80  
7.68  
9.60  
16400  
26200  
32800  
3.60  
5.76  
7.20  
12300  
19700  
24600  
BAYEABC15++  
circuit 1  
9.60  
4.80  
32800  
16400  
40.0  
20.0  
60  
25  
60  
25  
7.20  
3.60  
24600  
12300  
34.6  
17.3  
53  
22  
60  
25  
circuit 2  
BAYEABC20++  
circuit 1  
9.60  
9.60  
32800  
32800  
40.0  
40.0  
60  
50  
60  
50  
7.20  
7.20  
24600  
24600  
34.6  
34.6  
53  
43  
60  
45  
circuit 2  
BAYEABC25++  
circuit 1  
9.60  
9.60  
4.80  
32800  
32800  
16400  
40.0  
40.0  
20.0  
60  
50  
25  
60  
50  
25  
7.20  
7.20  
3.60  
24600  
24600  
12300  
34.6  
34.6  
17.3  
53  
43  
22  
60  
45  
25  
circuit 2  
circuit 3  
Note: ** Motor Amps  
DISTANCE FROM BELLY BAND TO SHAFT FACE OF MOTOR FOR MINIMUM VIBRATION  
BLOWER HOUSING  
MODEL  
DIM "A"  
3
GAT2A0B42S31SA  
GAT2A0C48S41SA  
GAT2A0C60S51SA  
BELLY BAND  
2-13/16  
2-1/4  
A
MOTOR  
WHEEL  
A is determined per chart  
Wheel is centered in  
Blower Housing  
12  
Pub. No. 22-1857-03  
Field  
Wiring  
GAT2 AIR HANDLERS WITH SINGLE SPEED COOLING  
Air Handler Hook-up Diagram  
Cooling  
W2 Pink  
W3 Brown  
W1 White  
Green  
Blue  
Air Handler  
Air Conditioner  
Blue  
Comfort Control  
White  
Green  
Yellow  
Orange  
Red  
W
G
Y
O
R
B
White  
Yellow  
Green  
Yellow  
Red  
Blue  
Blue  
B - Blue  
Y - Yellow  
Field wiring  
•
* For multiple stages of electric heat, jumper W1, W2, and W3 together if comfort control has only one stage of heat.  
Pub. No. 22-1857-03  
15  
Field  
Wiring  
GAT2 AIR HANDLERS WITH SINGLE SPEED HEAT PUMP  
Air Handler Hook-up Diagram  
HP  
Heat Pump  
W2 Pink  
W3 Brown  
W1 White  
Green  
Blue  
Black  
Air Handler  
(X2)  
Yellow  
Comfort Control  
Orange  
Red  
Blue  
White  
Green  
Yellow  
W
G
Y
O
R
B
White  
Green  
Yellow  
Orange  
Orange  
Red  
Red  
Blue  
Blue  
R - Red  
B - Blue  
Y - Yellow  
•
* For multiple stages of electric heat, jumper W1, W2, and W3 together if comfort control has only one stage of heat  
Field wiring  
16  
Pub. No. 22-1857-03  
GAT2  
Convertibility  
* Note: No internal modifications required for any position.  
1 Badge rotation will keep brand in correct position  
Multi-position  
Air Handler  
1
Refrigerant  
Connections  
Upflow  
Condensate  
Drains  
Vertical Upflow*  
(as shipped)  
Refrigerant  
Connections  
Refrigerant  
Connections  
1
Airflow  
Airflow  
1
Horizontal Right  
Condensate  
Drains  
Horizontal Left  
Condensate  
Drains  
Horizontal Right*  
Horizontal Left*  
Pub. No. 22-1857-03  
17  
Dimensions  
GAT2 AIR HANDLER DIMENSIONAL DATA  
H
Model No.  
H
W
D
GAT2A0B42  
GAT2A0C48  
GAT2A0C60  
55.7  
56.9  
61.7  
21.3  
23.5  
23.5  
21.75  
21.75  
21.75  
GAT2 AIR HANDLERS ARE ALL TWO  
PIECE CABINETS.  
18  
Pub. No. 22-1857-03  
GAT2 OUTLINE DRAWING  
MODEL NO.  
A
B
C
D
E
F
H
FLOW  
GAS LINE  
CONTROL BRAZE  
GAT2A0B42 55.7  
GAT2A0C48 56.9  
GAT2A0C60 61.7  
45.5  
46.7  
51.5  
18.4  
20.5  
20.5  
21.3  
23.5  
23.5  
18.4  
20.5  
20.5  
9.2  
24.8  
24.2  
27.0  
TXV  
TXV  
TXV  
7/8  
7/8  
7/8  
10.3  
10.3  
Pub. No. 22-1857-03  
19  
03/12  
Trane  
6200 Troup Highway  
Tyler,TX 75707  
www.trane.com  
The manufacturer has a policy of continuous product and product data improvement and it reserves the right  
to change design and specifications without notice.  

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