installation Considerations
www.DaikinApplied.com 10 LARGE VERTICAL WSHP IM 1059-12
Accessory 2" deep lter rack kit
with return air duct ange
The (eld- installed) accessory 2" lter rack with duct
ange allows for connection of return air ducting to the
unit. Unit sizes 072 through 120 require four lters, and
six lters for unit sizes 180 through 290.
The kits are installed as follows:
1. Remove all lters, lter racks and brackets. Save all
screws. Discard bracket end.
2. Attach top duct collar in conjunction with top lter
rack with truss head screws.
3. Attach bottom duct collar and lter rack.
4. On single compressor units, attach two anges
using four (4) #8 truss head screws provided.
5. Attach center support in original location.
6. Locate and attach center lter 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 ow controlled devices must not be
installed prior to system cleaning and ushing.
10. A high point of the piping system must be vented.
11. Check local code for the need of dielectric ttings.
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
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