Page 3
Specifications – cont’d
48B – 60D
General Data
Model No.
CHX35
-48B-2F
CHX35
-48C-2F
CHX35
-51C-2F
CHX35
-60D-2F
Nominal size - tons
3.5 / 4
3.5 / 4
4
5
Line
Connections
Suction/Vapor o.d. - in. sweat
7/8
7/8
7/8
7/8
Liquid o.d. - in. sweat
3/8
3/8
3/8
3/8
Condensate drain (fpt) - in.
3/4
3/4
3/4
3/4
Evaporator
Coil
Net face area - sq. ft.
5.78
5.83
7.22
7.94
Tube diameter - in.
3/8
3/8
3/8
3/8
Number of rows
3
2
3
3
Fins per inch
12
12
13
12
Horizontal
Matching
Furnace
Cabinet Designation
B
C
C
D
Coil and Furnace Height
17-1/2
21
21
24-1/2
Shipping Data
lbs. - 1 package
60
59
69
78
FOAM
TAPE
FIGURE 1. Insulate Suction Line Inside Cabinet
1 -
Left-Hand and Right-Hand Discharge – The
coil must have a 1/2" slope from the rear of the
cabinet to the drain.
Position the coil adjacent
to the furnace cabinet and align the six screw
clearance holes in the coil casing with the furnace
engagement holes. Use six field-provided #8 X 1”
screws to secure the coil casing to the furnace (see
figures 3 and 4).
2 -
Right-Hand Air Discharge with Field-Provided
Spacer – The coil must have a 1/2
"
slope from
the rear of the cabinet to the drain.
Position the
coil in the left-to-right configuration on the service
access side of the furnace. Insert a field-provided
spacer between the furnace and the coil. Use field-
provided screws to secure the coil casing, spacer
and the furnace together. The spacer should be
long enough to allow room for proper installation
(approximately 6 inches minimum). See figure 5.
Releasing Air Charge
CAUTION
The coil is shipped from the factory pressurized with dry
air. Pierce a hole in the rubber plug that seals the vapor
line to relieve the pressure before removing the plugs.
NOTE -
If there is no pressure released when the vapor
line rubber plug is pierced, check the coil for leaks before
continuing with the installation.
The CHX35 coils are shipped with a 9 ± 2 psi dry air hold-
ing charge. Puncture the suction line rubber plug to re-
lease the charge. Remove the rubber plug. Ensure that
the coil is void of pressure.
Installation
WARNING
Risk of explosion or fire.
Can cause injury or death.
Recover all refrigerant to relieve pressure before
opening the system.
Install the furnace or air handler according to the installa-
tion instructions provided with the unit.
NOTE
–
In areas of high humidity, use foam tape to in-
sulate the suction line section in the cabinet as shown in
figure 1.
