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507656-01 7/2018
Model Number Identification
2
CH 35 18-A-F
Unit Type
CH = Indoor Coil - Horizontal
Series
Nominal Cooling Capacity
18 = 1.5 tons
24 = 2 tons
30 = 2.5 tons
36 = 3 tons
42 = 3.5 tons
48 = 4 tons
51 = 4 tons
60 = 5 tons
Cabinet Width
A = 14-1/2 in.
B = 17-1/2 in.
C = 21 in.
D = 24-1/2 in.
Cabinet
F = Cased
(Furnaces with the same cabinet width letter designation
will physically match the indoor coil.)
Metering Device
2 = Factory-Installed RFC
(The factory-installed orifice must be removed and
replaced by a properly sized expansion valve.)
Specifications
General Data
Model No.
CH35
-18A-2F
CH35
-24A-2F
CH35
-24B-2F
CH35
-30A-2F
CH35
-30B-2F
Nominal size - tons 1.5 2 2 2.5 2.5
Line
Connections
Suction/Vapor o.d. - in. sweat 3/4 3/4 3/4 3/4 3/4
Liquid o.d. - in. sweat 3/8 3/8 3/8 3/8 3/8
Condensate drain (fpt) - in. 3/4 3/4 3/4 3/4 3/4
Evaporator
Coil
Net face area - sq. ft.
1.75 3.5 3.5 4.33 4.67
Tube diameter - in.
3/8 3/8 3/8 3/8 3/8
Number of rows
2 3 2 3 3
Fins per inch
18 14 19 16 14
Horizontal
Matching
Furnace
Cabinet Designation
A A B A B
Coil and Furnace Height
14-1/2 14-1/2 17-1/2 14-1/2 17-1/2
Shipping Data lbs. - 1 package 43 45 47 55 53
Specifications
General Data
Model No.
CH35
-36A-2F
CH35
-36B-2F
CH35
-36C-2F
CH35
-42B-2F
CH35
-42C-2F
Nominal size - tons 3 3 3 3.5 3.5
Line
Connections
Suction/Vapor o.d. - in. sweat 3/4 3/4 3/4 7/8 7/8
Liquid o.d. - in. sweat 3/8 3/8 3/8 3/8 3/8
Condensate drain (fpt) - in. 3/4 3/4 3/4 3/4 3/4
Evaporator
Coil
Net face area - sq. ft.
3.5 4.67 5.83 5.78 5.83
Tube diameter - in.
3/8 3/8 3/8 3/8 3/8
Number of rows
3 2 2 3 3
Fins per inch
12 18 18 12 13
Horizontal
Matching
Furnace
Cabinet Designation
A B C B C
Coil and Furnace Height
14-1/2 17-1/2 21 17-1/2 21
Shipping Data lbs. - 1 package 47 48 55 60 60