5169032-UIM-C-0416
Johnson Controls Unitary Products 3
INSPECTION
As soon as a coil is received, it should be checked to insure it is still
under pressure per Figure 2. The coil should be inspected for possible
damage during transit. If damage is evident, the extent of the damage
should be noted on the carrier’s freight bill. A separate request for
inspection by the carrier’s agent should be made in writing. The Local
Distributor should be consulted for more information. The drain pan
should be checked for cracks or breakage. Before installation, the unit
should be checked for screws or bolts which may have loosened in
transit. There are no internal shipping or spacer brackets that need to
be removed.
It should be verified that all accessories such as heater kits and coils
are available. Installation of these accessories or field conversion of the
unit should be accomplished before setting the unit in place or
connecting any wiring, duct work or piping.
FIGURE 2: Pressure Check
A0271-001
DEPRESS SCHRADER
CORE TO CHECK FOR
PRESSURE ONE TIME.
NOTE:
Verify that the coil is under
pressure when received.
FIGURE 3: Dimensions & Duct Connection Dimensions
TABLE 1: Dimensions
1
Models
Dimensions
Wiring Knockouts
2
Refrigerant
Connections
Line Size
AB
CDE
FG
Height Width Power (Conduit) Control (Conduit) Liquid Vapor
18B 41 17-1/2 12-7/8 14-1/4 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”
24B 41 17-1/2 12-7/8 14-1/4 16-1/2
30B 47-1/2 17-1/2 19-1/2 14-1/4 16-1/2
36B 47-1/2 17-1/2 19-1/2 14-1/4 16-1/2
36C 51-1/2 21 22-5/8 17-3/4 20
42C 51-1/2 21 22-5/8 17-3/4 20
7/8”
48C 51-1/2 21 22-5/8 17-3/4 20
48D 55-1/2 24-1/2 26-5/8 21-1/4 23-1/2
60C 55-3/4 21 26-7/8 17-3/4 20
60D 55-1/2 24-1/2 26-5/8 21-1/4 23-1/2
1. All dimensions are in inches.
2. Knockout size (conduit size in parentheses).
G
A
1-1/2”
7-11/32
C
FILTER ACCESS
DRAIN CONNECTIONS
FOR UPFLOW APPLICATIONS
REFRIGERANT CONNECTIONS
BLOWER
COMPARTMENT
BOTTOM INLET
DIMENSIONS
12-3/16”
E
D
18-5/8”
TOP OUTLET
DIMENSIONS
SERVICE
DISCONNECT
PANEL
A0329-001
B
20-1/2”
21-7/16”
F
COIL
COMPARTMENT
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