JOHNSON CONTROLS
57
SECTION 3 - HANDLING, STORAGE, AND INSTALLATION
FORM 102.20-N1
ISSUE DATE: 7/06/2016
3
•
EAML used on Outdoor Solution air handlers
usually to measure outside air. This can be pro-
vided with one or two pairs of positive (+ or High)
and negative (- or Low) pressure tube connec-
tions. Connect (+) & (-) respectively to the (+) &
(-) ports of the transducer(s). Wiring & transducer
are not provided unless factory packaged controls
were selected.
INSTALLING THE PIPE CHASE
Install the pipe chase before connecting the piping. Use
the following instructions to install the pipe chase.
Tools and Materials
•
Screw gun
•
Complete set of mechanic's hand tools
If the AHU does not have base rails, the shipped loose
package includes:
•
Self-drilling Screws with Gasket (P/N 021-30530-
052),
•
Caulking (P/N 013-03317-040)
•
Neoprene Gasket - 2 in x 3/16 in (P/N 028-11880-
010).
If the AHU has base rails, the shipped loose package
includes:
•
Pipe Chase Base Rail Covers (P/N 013-03317-
010)
•
Bolts - 3/8 in-16 x 1-1/2 in (P/N 021-01499-000)
•
Lock Washers (P/N 021-01155-000).
Never use silicone caulk/sealant or
caulk/sealant containing silicone in or
on any air handling equipment.
Preparing Pipe Chase for Installation
The top and bottom flanges are inside of
the pipe chase. Separate cover angles are
used on external vertical seams.
1. Before installing the pipe chase, remove any self-
drilling screws from the top and bottom raceway
that may interfere with installing the pipe chase or
trim angles.
2. Pinpoint the exact location to attach the pipe
chase.
3. Make sure enough space will remain to apply pipe
fittings with insulation on the inside of the pipe
chase.
4. The pipe chase height should align with the AHU
height.
Apply Gaskets
Apply the gaskets in the following order:
1. Neoprene gasket (P/N 028-11880-010) to the un-
derside of the roof overhang as shown in
.
FIGURE 85 -
INSTALL GASKET UNDER ROOF
OVERHANG
LD11564
GASKET
AHU
