The tension on the belt should be adjusted for a deflection of 1/64 of an inch per inch of belt
span, with the appropriate force applied at the midpoint of the span (see section
). Tension “New” belts at the maximum value indicated. Used belts should be
maintained at the minimum value.
Filters
Inspect filters monthly and replace as necessary. Use UL Class 2 rated filters. Factory supplied
filters are medium efficiency, extended surface pleated type. Replacements should be of the same
type in order to maintain optimum airflow performance. Filter sizes are as follows:
Table 17: Filter sizes
Filters
Qty/size
CSV060B
2/20x18x2
CSV096B
6/14x20x2
CSV120B
6/14x20x2
CSV180B
2/16x20x2
4/16x25x2
CSV240B
6/20x25x2
CSV300B
6/25x18x2
6/20x18x2
Drain pan & condensate
Inspect the field installed condensate trap for any blockage. Remove and clean as necessary.
Inspect the drain pan regularly to ensure for adequate drainage and that no sitting water is
present.
69
C-Series Vertical (CSV) Water-Cooled Self-Contained Units, B Generation, R-410A Installation, Operation, and
Maintenance Manual
