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www.DaikinApplied.com 10
LARGE VERTICAL WSHP IM 1059-12
Accessory 2" deep filter rack kit
with return air duct flange
The (field- installed) accessory 2" filter rack with duct
flange allows for connection of return air ducting to the
unit. Unit sizes 072 through 120 require four filters, and
six filters for unit sizes 180 through 290.
The kits are installed as follows:
1 .
Remove all filters, filter racks and brackets. Save all
screws. Discard bracket end.
2 .
Attach top duct collar in conjunction with top filter
rack with truss head screws.
3 .
Attach bottom duct collar and filter rack.
4 .
On single compressor units, attach two flanges
using four (4) #8 truss head screws provided.
5 .
Attach center support in original location.
6 .
Locate and attach center filter racks using screw
provided.
7 .
Attach duct collar sides using eight (8) #10 sheet metal
8 .
No point in the drain system may be above the drain
connection of any unit.
9 .
Automatic flow controlled devices must not be
installed prior to system cleaning and flushing.
10 .
A high point of the piping system must be vented.
11 .
Check local code for the need of dielectric fittings.
Figure 10: Field-installed accessory 2" deep filter rack kit with return air duct flange – sizes 072-120
Chassis
Center Support
Side Flanges
Top Duct Collar
Top Filter Rack
Center Filter Racks
Duct Collar Side
Door End