1055361-BTG-D-0514
2 Johnson Controls Unitary Products
DIMENSIONS & DUCT CONNECTION DIMENSIONS
J
D
Blower
Compartment
Service
Disconnect
Panel
Drain Pan Connections
for Horizontal Applications
Refrigerant
Connections
Drain Connections
for Upflow
Applications
7-11/32”
B
A
K
C
1-1/2”
Top Outlet
Dimensions
Filter
Access
20-5/16”
E
Bottom Inlet
Dimensions
13”
F
A024-001
Dimensions
1
Models
Dimensions
Wiring Knockouts
2
Refrigerant
Connections
Line Size
ABC
DEF
JK
Height Width Depth Power Control Liquid Vapor
AHR18B3XH21 46 17-1/2
21-1/2
16-/2 13-29/32 16-1/2
7/8 (1/2)
1-3/8(1)
1-23/32 (1-1/4)
7/8 (1/2) 3/8
3/4
AHR22B3XH21 46 17-1/2 16-/2 13-29/32 16-1/2
AHR24B3XH21 46 17-1/2 16-/2 13-29/32 16-1/2
AHR30B3XH21 46 17-1/2 16-/2 13-29/32 16-1/2
AHR36B3XH21 46 17-1/2 16-/2 13-29/32 16-1/2
AHR29C3XH21 52 21 21-1/2 17-13/32 20
AHR34C3XH21 52 21 21-1/2 17-13/32 20
AHR42C3XH21 52 21 21-1/2 17-13/32 20
AHR48D3XH21 57 24-1/2 26 20-29/32 23-1/2
7/8
AHR60D3XH21 57 24-1/2 26 20-29/32 23-1/2
1. All dimensions are in inches.
2. Actual size (conduit size).
COIL TECHNICAL DATA
Models Application
Refrig.
Conn. Types
Face Area
(Sq. Ft.)
Rows
Deep
Fins
Per In.
Coil Size
Tube
Geometry
Tube
Dia.
Fin
Type
AHR18B Cooling /Heat Pump Sweat 3.4 2 14 (2) 14 x 17.5 1 x 0.866 3/8 Enhanced
AHR22B Cooling /Heat Pump Sweat 3.9 2 14 (2) 16 x 17.5 1 x 0.866 3/8 Enhanced
AHR24B Cooling /Heat Pump Sweat 3.9 3 12 (2) 16 x 17.5 1 x 0.866 3/8 Enhanced
AHR29C Cooling /Heat Pump Sweat 4.4 2 14 (2) 18 x 17.5 1 x 0.866 3/8 Enhanced
AHR30B Cooling /Heat Pump Sweat 3.9 3 12 (2) 16 x 17.5 1 x 0.866 3/8 Enhanced
AHR34C Cooling /Heat Pump Sweat 3.4 3 14 (2) 14 x 17.5 1 x 0.866 3/8 Enhanced
AHR36B Cooling /Heat Pump Sweat 4.9 3 12 (2) 20 x 17.5 1 x 0.866 3/8 Enhanced
AHR42C Cooling /Heat Pump Sweat 5.4 3 12 (2) 22 x 17.5 1 x 0.866 3/8 Enhanced
AHR48D Cooling /Heat Pump Sweat 5.8 3 11 (2) 24 x 17.5 1 x 0.866 3/8 Enhanced
AHR60D Cooling /Heat Pump Sweat 6.8 3 12 (2) 28 x 17.5 1 x 0.866 3/8 Enhanced
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