Coil Static Pressure Drop - Goodman ASX Service Instructions Manual

SERVICING
TOTAL EXTERNAL STATIC
S-204 COIL STATIC PRESSURE DROP
1. Using a draft gauge (inclined manometer), connect the
positive probe underneath the coil and the negative probe
above the coil.
2. A direct reading can be taken of the static pressure drop
across the coil.
3. Consult proper table for quantity of air.
STATIC PRESSURE DROP
If the total external static pressure and/or static pressure drop
exceeds the maximum or minimum allowable statics, check
for closed dampers, dirty filters, undersized or poorly laid out
duct work.
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