Trane GAF2A0A30S21SA, GAF2A0A36S31SA, GAF2A0A24S21SA User Manual

Modular
Multi-position
Air Handlers

Air Handler - Convertible

Model: Series 2 Air Handlers 1.5 - 3 ton
GAF2A0A18S11SA
GAF2A0A24S21SA
GAF2A0A30S21SA
GAF2A0A36S31SA

PUB. NO. 22-1858-02

Features
and Benefits

• Unique Cabinet Design

- Double Wall Foamed and Formed
Cabinet System

- Water Proof Cabinet Design

- R-4.2 Insulating Value (Avg. Insulating
Value R-8)

- Composite Foamed Cabinet Doors

- Sweat Eliminating Cabinet Design

- Loose Fiber Eliminating Cabinet
Design

- Smooth Cleanable Cabinet Design

- 2% or Less air leakage

- Precision Applied Durable Door Seals

• Multi-Position Upflow/ Horizontal Left

/ Horizontal Right

• Front Return Option

• Braze in Refrigerant Connection

• Primary/Secondary Condensate

Connections

• Vortica Blower with Integrated Slide

Deck for Easy Removal

• Polarized Plug connections on

Blower

• Aluminum Coil with Integrated Slide

Deck for Easy Removal

• Slide in Electric Heaters

• Polarized Plug connections for

Electric Heater

• Labeled Panels and connections

• Guide for 1-1/4" to 1" And 3/4" to

1/2" Conduit connection on Top

• R-410A Thermal Expansion Valve

(TXV)

• Low Voltage Color Coded Wires

• Enhanced Coil Fin Patented

• Blow Through Design

• PSC 3 Speed Motor

• Maximum Width of 17.5"

• Compact 20.8" depth with doors

removed

• Integrated Horizontal Drain pans

• Single Color

• Fused 24V Power

• Optional extended warranty available

© 2011 Trane

2 Pub. No. 22-1858-02

Contents

Features and Benefits 2

Optional Equipment 4

Unique Cabinet Design Features and Benefits 5

General Data 6

GAF2A0A18S11SA 6
GAF2A0A24S21SA 6
GAF2A0A30S21SA 6
GAF2A0A36S31SA 6

Performance Data 7

Electrical Data 11

Wiring Diagrams 13

Field Wiring 14

Convertibility 16

Dimensions 17

Pub. No. 22-1858-02 3

Optional Equipment

OPTIONAL EQUIPMENT FOR GAF2 AIR HANDLERS

Accessory Number Description Fits Cabinet Size

BAYECAA05LG1A Electric Heater, 5kW, Lugs, 24V Control, 1 Ph A

BAYECAA08LG1A Electric Heater, 8kW, Lugs, 24V Control, 1 Ph A

BAYECAA10LG1A Electric Heater, 10kW, Lugs, 24V Control, 1 Ph A

BAYSFSCABAA

BAYRETFLGAA Return Duct Flange A A

TASB175SB Plenum Stand with Sound Baffle A A

BAYFRKIT100 Front Return Kit A

BAYBRFBX100 Bottom Return Filter Box A

BAYWMKIT001 Wall Mount Kit A

BAYLVKIT100A Low Voltage Conduit Entry Kit A

BAYAHTXV1836 R-22 TXV Conversion Kit A

1 GAF2A0A18-36 Cabinet is one piece 17.5” wide

Supply Duct Flange A1 1 A1 1

4 Pub. No. 22-1858-02

Unique Cabinet Design
Features and Benefits

2 Precision Durable

Door Seals

r Integrated Horizontal

Drain Pans

q Thermal Expansion

Valve (TXV)

3 Refrigeration

Connections

4 Condensate

Connections

8 VorticaTM Blower

and Deck

1 Unique Cabinet
Design

5 Conduit

Connection
Location

9 All Aluminum Coil

7 PSC 3 Speed

Motor

0 Labeled Panels

and Connections

1 Unique Cabinet Design

- Double wall foamed cabinet system

- Waterproof Cabinet Design

- R-4.2 Insulating Value (Avg. Insulating Value R-8)

- Composite Foamed Cabinet Doors

- Sweat Eliminating Cabinet Design

- Loose Fiber Eliminating Design

- Smooth Cleanable Cabinet Design

- 2% or Less air leakage

2 Precision Durable Door Seals
3 Brazed Refrigeration Connections
4 Primary/Secondary Condensate Connections
5 Conduit Connection - Conduit Connection on Top
7 PSC 3 Speed Motor
8 VorticaTM Blower and Deck - Polarized Plug on Blower

w Maximum width

is 17.5”

e Compact 20.8” Depth

with Doors Removed

9 All Aluminum Coil

- Integrated Slide Deck for Easy Removal

- Polarized Plug connections on Coil TXV

- Patented Enhanced Coil Fin

0 Labeled Panels and Connections
q R-410A Thermal Expansion Valve (TXV)
w Maximum width is 17.5”
e Compact 20.8” Depth with Doors Removed
r Integrated Horizontal Drain Pans

Pub. No. 22-1858-02 5

General
Data

MODEL
RATED VOLTS/PH/HZ.
RATINGS 1
INDOOR COIL — Type

Rows — F.P.I.
Face Area (sq. ft.)
Tube Size (in.)
Refrigerant Control
Drain Conn. Size (in.) 2

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
F.L. Amps - L.R. Amps

FILTER

Filter Furnished?
Type Recommended
No.-Size-Thickness

REFRIGERANT

Ref. Line Connections
Coupling or Conn. Size — in. Gas
Coupling or Conn. Size — in. Liq.

DIMENSIONS

Crated (In.)
Uncrated

WEIGHT

Shipping (Lbs.) / Net (Lbs.)

See Fan Performance Table

GAF2A0A18S11SA

208-230/1/60

See O.D. Specifications

Plate Fin

3 - 14

3.21
3/8

TXV

3/4 NPT

See Outline Drawing

Centrifugal

11 X 8

1

Direct - 3

1 - 1/3

825

208-230/1/60

2.0 - 4.1

No

Throwaway

1 - 16 X 20 - 1 in.

R-410A

Brazed

3/4
3/8

H x W x D

40.5 x 20 x 24.5

39.5 x 17.5 x 21.8

117/107

PRODUCT SPECIFICATIONS

GAF2A0A24S21SA

208-230/1/60

See O.D. Specifications

Plate Fin

3 - 14

3.21
3/8

TXV

3/4 NPT

See Outline Drawing

Centrifugal

10 X 8

1

Direct - 3

See Fan Performance Table

1 - 1/4

1075

208-230/1/60

1.3 - 2.6

No

Throwaway

1 - 16 X 20 - 1 in.

R-410A

Brazed

3/4
3/8

H x W x D

40.5 x 20 x 24.5

39.5 x 17.5 x 21.8

120/110

GAF2A0A30S21SA

208-230/1/60

See O.D. Specifications

Plate Fin

3 - 14

3.21
3/8

TXV

3/4 NPT

See Outline Drawing

Centrifugal

10 X 8

1

Direct - 3

See Fan Performance Table

1 - 1/3

1075

208-230/1/60

1.7 - 3.5

No

Throwaway

1 - 16 X 20 - 1 in.

R-410A

Brazed

3/4
3/8

H x W x D

40.5 x 20 x 24.5

39.5 x 17.5 x 21.8

121/111

GAF2A0A36S31SA

208-230/1/60

See O.D. Specifications

Plate Fin

3 - 14

3.21
3/8

TXV

3/4 NPT

See Outline Drawing

Centrifugal

11 X 8

1

Direct - 3

See Fan Performance Table

1 - 1/2

1075

208-230/1/60

2.4 - 3.8

No

Throwaway

1 - 16 X 20 - 1 in.

R-410A

Brazed

3/4
3/8

H x W x D

40.5 x 20 x 24.5

39.5 x 17.5 x 21.8

122/112

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)

6 Pub. No. 22-1858-02

General
Data

GAF2A0A18 AIRFLOW PERFORMANCE TABLE

AIRFLOW PERFORMANCE

GAF2A0A18S11SA

EXTERNAL STATIC

(in w.g)

Speed Taps - 230 VOLTS Speed Taps - 208 VOLTS

3 2 † 1 3 2 † 1

0 952 768 710 940 654 598

0.1 894 741 687 885 636 581

0.2 845 704 658 831 610 558

0.3 785 662 620 775 577 526

0.4 724 607 568 714 529 477

0.5 652 531 494 640 460 415

0.6 557 441 404 543 378 347

0.7 428 346 N/A 418 244 N/A

0.8 284 N/A N/A 225 N/A N/A

0.9 N/A N/A N/A N/A N/A N/A

1.0 N/A N/A N/A N/A 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

AIRFLOW (CFM)

GAF2A0A18S11SA MINIMUM HEATER AIRFLOW CFM

Heater Minimum Air Speed Tap

Without Heat Pump With Heat Pump

BAYECAA05LG1AA Tap 1 Tap 3

BAYECAA08LG1AA Available soon Available soon

BAYECAA10LG1AA Available soon Available soon

SEE AIR HANDLER NAMEPLATE OR PRODUCT DATA FOR EXCEPTIONS

Note: Heating and cooling speeds are the same, factory
set at Speed Tap #2.

Pub. No. 22-1858-02 7

Performance
Data

GAF2A0A24 AIRFLOW PERFORMANCE TABLE

AIRFLOW PERFORMANCE

GAF2A0A24S21SA

EXTERNAL STATIC

(in w.g)

Speed Taps - 230 VOLTS Speed Taps - 208 VOLTS

3 2 † 1 3 2 † 1

0 998 848 771 899 737 658

0.1 949 816 745 868 710 630

0.2 911 784 711 834 683 602

0.3 869 750 679 794 650 567

0.4 825 708 638 756 611 524

0.5 772 659 586 704 547 476

0.6 707 591 518 641 499 415

0.7 614 513 444 555 420 346

0.8 533 416 356 465 339 268

0.9 413 309 218 351 203 138

1.0 241 130 N/A 167 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

AIRFLOW (CFM)

GAF2A0A24S21SA MINIMUM HEATER AIRFLOW CFM

Heater Minimum Air Speed Tap

Without Heat Pump With Heat Pump

BAYECAA05LG1AA Tap 1 Tap 2

BAYECAA08LG1AA Available soon Available soon

BAYECAA10LG1AA Available soon Available soon

SEE AIR HANDLER NAMEPLATE OR PRODUCT DATA FOR EXCEPTIONS

Note: Heating and cooling speeds are the same, factory
set at Speed Tap #2.

8 Pub. No. 22-1858-02

Performance
Data

GAF2A0A30 AIRFLOW PERFORMANCE TABLE

AIRFLOW PERFORMANCE

GAF2A0A30S21SA

EXTERNAL STATIC

(in w.g)

Speed Taps - 230 VOLTS Speed Taps - 208 VOLTS

3 2 † 1 3 2 1

0 1052 967 932 1024 877 826

0.1 1012 929 898 980 846 800

0.2 963 888 861 934 814 771

0.3 914 849 823 885 777 738

0.4 865 805 784 837 739 703

0.5 816 759 741 788 697 663

0.6 759 698 681 739 640 602

0.7 690 622 592 668 559 515

0.8 589 503 463 559 423 395

0.9 389 336 318 375 285 259

1.0 179 149 119 175 NA NA

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

GAF2A0A30S21SA MINIMUM HEATER AIRFLOW CFM

Heater Minimum Air Speed Tap

Without Heat Pump With Heat Pump

BAYECAA05LG1AA Tap 1 Tap 1

BAYECAA08LG1AA Available soon Available soon

BAYECAA10LG1AA Available soon Available soon

SEE AIR HANDLER NAMEPLATE OR PRODUCT DATA FOR EXCEPTIONS

Note: Heating and cooling speeds are the same, factory
set at Speed Tap #2.

Pub. No. 22-1858-02 9

Performance
Data

GAF2A0A36 AIRFLOW PERFORMANCE TABLE

AIRFLOW PERFORMANCE

GAF2A0A36S31SA

EXTERNAL STATIC

(in w.g)

Speed Taps - 230 VOLTS Speed Taps - 208 VOLTS

3 2 † 1 3 2 1

0 1191 1146 1094 1040 1015 964

0.1 1180 1132 1085 1033 1004 959

0.2 1158 1110 1065 1014 984 942

0.3 1119 1082 1035 979 958 916

0.4 1079 1045 1003 942 923 887

0.5 1040 1005 969 907 886 857

0.6 993 960 927 864 843 818

0.7 934 910 877 808 795 772

0.8 880 855 816 758 742 715

0.9 815 786 748 696 675 650

1.0 744 715 677 629 607 583

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

GAF2A0A36S31SA MINIMUM HEATER AIRFLOW CFM

Heater Minimum Air Speed Tap

Without Heat Pump With Heat Pump

BAYECAA05LG1AA Tap 1 Tap 1

BAYECAA08LG1AA Available soon Available soon

BAYECAA10LG1AA Available soon Available soon

SEE AIR HANDLER NAMEPLATE OR PRODUCT DATA FOR EXCEPTIONS

Note: Heating and cooling speeds are the same, factory
set at Speed Tap #2.

10 Pub. No. 22-1858-02

Electrical
Data

WIRING DATA

GAF2A0A18S11SA

240 VOLT 208 VOLT

Heater

Model

No.

No Heater - - - 2.0** 3 15 - - 2.0** 3 15

BAYECAA05++ 1 4.80 16400 20 28 30 3.60 12300 17.3 24 25

BAYECAA08++ 1 7.68 26200 32 43 45 5.76 19700 27.7 37 40

BAYECAA10++ 1 9.60 32800 40 53 60 7.20 24600 34.6 46 50

Note: ** Motor Amps

No.

of

Circuits

Capacity

kW BTUH kW BTUH

Heater

Amps

per

Circuit

Minimum

Circuit

Ampacity

GAF2A0A24S21SA

Maximum

Protection

WIRING DATA

Overload

Capacity

Heater

Amps

per

Circuit

Minimum

Circuit

Ampacity

Maximum

Overload

Protection

240 VOLT 208 VOLT

Heater

Model

No.

No Heater - - - 1.3** 2 15 - - 1.3** 2 15

BAYECAA05++ 1 4.80 16400 20 27 30 3.60 12300 17.3 23 25

BAYECAA08++ 1 7.68 26200 32 42 45 5.76 19700 27.7 38 40

BAYECAA10++ 1 9.60 32800 40 52 60 7.20 24600 34.6 45 45

Note: ** Motor Amps

Heater

Model

No.

No Heater - - - 1.7** 2 15 - - 1.7** 2 15

BAYECAA05++ 1 4.80 16400 20 27 30 3.60 12300 17.3 24 25

BAYECAA08++ 1 7.68 26200 32 42 45 5.76 19700 27.7 38 40

BAYECAA10++ 1 9.60 32800 40 52 60 7.20 24600 34.6 45 45

Note: ** Motor Amps

No.

of

Circuits

No.

of

Circuits

Capacity

kW BTUH kW BTUH

Capacity

kW BTUH kW BTUH

Heater

Amps

per

Circuit

Heater

Amps

per

Circuit

Minimum

Circuit

Ampacity

GAF2A0A30S21SA

240 VOLT 208 VOLT

Minimum

Circuit

Ampacity

Maximum

Overload

Protection

WIRING DATA

Maximum

Overload

Protection

Capacity

Capacity

Heater

Amps

per

Circuit

Heater

Amps

per

Circuit

Minimum

Circuit

Ampacity

Minimum

Circuit

Ampacity

Maximum

Overload

Protection

Maximum

Overload

Protection

Pub. No. 22-1858-02 11

Electrical

WHEEL

BLOWER HOUSING

BELLY BAND

MOTOR

A

A is determined per chart

Wheel is centered in
Blower Housing

Data

WIRING DATA

GAF2A0A36S31SA

240 VOLT 208 VOLT

Heater
Model

No.

No Heater - - - 2.4** 3 15 - - 2.4** 3 15

BAYECAA05++ 1 4.80 16400 20 28 30 3.60 12300 17.3 25 25

BAYECAA08++ 1 7.68 26200 32 43 45 5.76 19700 27.7 38 40

BAYECAA10++ 1 9.60 32800 40 53 60 7.20 24600 34.6 46 50

Note: ** Motor Amps

No.

of

Circuits

Capacity

kW BTUH kW BTUH

Heater

Amps

per

Circuit

Minimum

Circuit

Ampacity

Maximum

Overload

Protection

Capacity

Heater

Amps

per

Circuit

Minimum

Circuit

Ampacity

Maximum

Overload

Protection

DISTANCE FROM BELLY BAND TO SHAFT FACE OF MOTOR FOR MINIMUM VIBRATION

MODEL DIM "A"

GAF2A0A18S11SA 1-1/8

GAF2A0A24S21SA 2-11/16

GAF2A0A30S21SA 1-9/16

GAF2A0A36S31SA 1-11/16

12 Pub. No. 22-1858-02

WIRING DIAGRAM FOR GAF2A0A18S, GAF2A0A24S, GAF2A0A30S, AND GAF2A0A36S AIR HANDLERS

Pub. No. 22-1858-02 13

Air Handler Hook-up Diagram

Cooling

Field
Wiring

GAF2 AIR HANDLERS WITH SINGLE SPEED COOLING

W1 White

Comfort Control

White
Green
Yellow
Orange
Red

Blue

W

G
Y
O
R

B

Field wiring

Green

White
Green
Yellow

Red

Blue

Red

Blue

Air Handler

B - Blue

Y - Yellow

Air Conditioner

Blue

Yellow

14 Pub. No. 22-1858-02

Field

Air Handler Hook-up Diagram

Wiring

GAF2 AIR HANDLERS WITH SINGLE SPEED HEAT PUMP

HP

Comfort Control

White
Green
Yellow

Orange
Red

Blue

W

G
Y
O
R

B

W1 White

Green

White
Green
Yellow
Orange

Red

Blue

Red

Blue

Air Handler

R - Red

B - Blue

Y - Yellow

Heat Pump

Black

(X2)

Orange

Red

Yellow

Blue

Field wiring

Pub. No. 22-1858-02 15

GAF2
Convertibility

* Note: No internal modifications required for any position.
1 Badge rotation will keep brand in correct position

Multi-position Air Handler

Refrigerant
Connections

Low Voltage
Connections
inside unit

Upflow Configuration

1

Upflow
Condensate
Drains

Refrigerant
Connections

Horizontal Left
Condensate
Drains

Horizontal Left*

1

Low Voltage
Connections
inside unit

Airflow

Airflow

Airflow

Low Voltage
Connections
inside unit

1

Horizontal Right
Condensate
Drains

Refrigerant
Connections

Horizontal Right*

16 Pub. No. 22-1858-02

Dimensions

GAF2 AIR HANDLER DIMENSIONAL DATA

W

H

Model

Number

GAF2A0A18S11SA 39 x 22 x 17.5 107

GAF2A0A24S21SA 39 x 22 x 17.5 110

GAF2A0A30S21SA 39 x 22 x 17.5 111

GAF2A0A36S31SA 39 x 22 x 17.5 112

H x D x W

in.

Unit

Net Weight

lbs.

GAF2 AIR HANDLERS ARE ALL ONE
PIECE CABINETS.

Pub. No. 22-1858-02 17

D

GAF2 OUTLINE DRAWING

18 Pub. No. 22-1858-02

Pub. No. 22-1858-02 19

Trane
6200 Troup Highway
Tyler, TX 75707
www.trane.com

11/11

The manufacturer has a policy of continuous product and product data improvement and it reserves the right
to change design and specifications without notice.