Base Mounting Arrangement; Activated Carbon Filter Installation - Johnson Controls A-4400 Series Installation And Maintenance Manual

Base Mounting
Arrangement
Activated
Carbon Filter
Installation
6 Air Dryers—A-4400 Series Technical Bulletin
Several mounting hole patterns are provided in the base of the A-
4400 (refer to Figure 2) for securing the unit to a platform. These
mounting holes are sized for 1/4-20 self-tapping screws or a No.
12 nut and bolt combination (all field furnished).
Mounting Holes
(Eight Locations)
for 1/4-20
Self-tapping Screws
or a No. 12 Nut and
Bolt Combination
(All Field Furnished)
5-1/2
140
Figure 2: DryFlow A-4400 Series Refrigerated Air Dryer
Base Mounting Hole Patterns (Plan View)
On models with an optional factory mounted Air Purification System, the
activated carbon oil vapor removal filter is packaged separately within the
dryer shipping carton and must be installed on the unit in the field as
follows:
1. Referring to Table 2, note the life of the activated carbon oil vapor
removal filter element being installed.
2. Divide the element life noted in Step 1 by the average system scfm or
L/s to obtain the expected life in days.
7-1/2
191
9-11/32
237
13-11/16
348
in.
Dimensions
mm
11/16
17
10-7/8
276