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356485-UIM-G-1211
COIL/FURNACE ASSEMBLY - MC/FC/PC SERIES
COILS
UPFLOW
FIGURE 2: Vertical Applications
FURNACE ASSEMBLY - MC & FC SERIES COILS
These coils are factory shipped for installation in either upflow or down-
flow applications with no conversion.
Position the coil casing over or under the furnace opening as shown in
Figure 2 after configuring coil flanges as required see "Coil Flange" sec-
tion below.
COIL FLANGE INSTALLATION
The coils include removable flanges to allow proper fit up with furnaces
having various inlet and outlet flange configurations. The two flanges
are attached to the top of the coil in the factory during production. For
proper configuration of flanges refer to Figure 3.
ALTERNATE
FLANGE LOCATION
(Used for downflow or
horizontal left installations)
FIGURE 3: Coil Flange
FURNACE ASSEMBLY - MC SERIES COILS ONLY
MC coils are supplied ready to be installed in a horizontal position. A
horizontal pan is factory installed. MC coils should be installed in all hor-
izontal applications with the horizontal drain pan side down.
Furnace
FIGURE 4: Horizontal Right Application
6
DOWNFLOW
FACTORY
FLANGE
LOCATION
(Used for upflow
or horizontal
right installations)
Mounting Plate
For horizontal left hand applications no conversion is required to an MC
coil when used with a downflow/horizontal furnace. A mounting plate,
supplied with every coil should always be installed on the side desig-
nated as top side. See Figures 4 & 5.
Mounting Plate
FIGURE 5: Horizontal Left Application
FURNACE ASSEMBLY - PC SERIES COILS
These upflow coils are designed for installation on top of upflow fur-
naces only.
If the coil is used with a furnace of a different size, use a 45° transition
to allow proper air distribution through the coil.
1.
Position the coil casing over the furnace opening as shown in Fig-
ure 6.
2.
Place the ductwork over the coil casing flange and secure.
3.
Check for air leakage between the furnace and coil casing and
seal appropriately.
Do not drill any holes or drive any screws into the front duct flange
on the coil in order to prevent damaging coil tubing. See Figure 6
C
(Min)
D
Field
Fabricated
Ductwork
Upflow
Coil
Upflow
Furnace
Primary
Drain
FIGURE 6: PC Series Upflow Coil Installation
Table 2: Coil Projection Dimensions - PC Series Coils
COIL SIZE
PC18
PC24
PC30, PC32, PC35
PC42, PC43, PC36, PC37
PC48
PC60
Dimension "C" should be at least 2/3 of dimension "D". See Figure 6
Furnace
Flexible
Duct Collar
Do not drill
or Screw
this flange
Alternate
Secondary
Drain Location
Drain
DIMENSION "C" INCH
3-1/2
4-1/2
4-1/2
5-1/2
6-1/2
9
Johnson Controls Unitary Products
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