Air PreciseAIR PCA Series, Инструкция по установке, эксплуатации и обслуживанию

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IOM-PreciseAIR
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Figure 3: Discharge and Return Connections
Unit sizes 090, 120, and 180 have only 1 discharge connection.
Duct connections to unit should be flanged connect flush to the supply fan outlet (on top) or to
the filter rack inlet (rear of unit) using self-tapping screws. Flanges should be gasketed with either
full faced
1/8” thick DURO 60 neoprene gasket or Tremco Butyl Sealant.
•
Installation of all ducts should be done in accordance with Best Practices and SMACNA.
•
Recommended Ductwork to Unit connection screws:
o
Self-tapping screws for metals with one piece hex washer head with a wide flat
bearing surface, used in materials such as steel and stainless steel, fully threaded, no
longer than 1”. Screws longer than 1” may cause damage to internal components.
o
Stainless steel screws are recommended.
•
HVAC duct sealant is recommended to seal all possible leaks.