PMGB0406B rev.1
11
Air Handler Con¿ guration
These air handler units are supplied ready to be installed in an upÀ ow or horizontal left position.
Refer to Figure 4. If the unit requires either downÀ
ow or horizontal right airÀ ow con¿ gurations, the unit must
have the coil assembly repositioned. Refer to the DownÀ ow or Horizontal Right Conversion procedures.
Figure 4. Typical Installation
DownÀ ow or Horizontal Right Conversion
1.
Remove the coil access panel.
2.
Slide coil/drain pan assembly out of air handler.
NOTICE
Convert air handler to correct orientation prior to installation. You must make the conversion before brazing the
refrigerant connections to the coil.
NOTICE
The center support bar for the coil/drain pan has a position identi¿ er embossed into the cabinet structure between
the two forward ¿ ngers of the support bar. There are four position identi¿ ers: A, B, C, or D. The lettered hole
location can differ from unit to unit due to the cabinet width of the air handler. After removal and re-installation,
install the center support bar in the same lettered position that it was originally.
3.
Note the lettered position of the center support bar for the coil/drain pan. Remove the center support bar
by sliding the forward end of the support bar to the right or left until the lower ¿ nger clears the structure.
NOTICE
The position identi¿ er for the coil slide rail is embossed into the back corner vertical angle of the cabinet struc-
ture. There are four position identi¿ ers: 1, 2, 3, or 4. The numbered attachment location can differ from unit to
unit due to the cabinet height of the air handler. After removal and reinstallation, install the coil slide rail in the
same numbered position that it was originally.
(Ins)DX-Kit4e-rev1.inddC-11
(Ins)DX-Kit4e-rev1.inddC-11
2016/11/2515:32:20
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