Table of Contents
Advertisement
2 2 "
7 "
E V A P O R A T O R
C O I L
1 8 "
5 / 1 6 "
H O L E
1 0 "
F I L T E R S
FIGURE 12 -HOLE LOCATIONS FOR PRESSURE
DROP READINGS
If the CFM is above or below the specified value, the supply
air motor pulley may have to be re-adjusted. After one hour of
FIGURE 13 -CFM VS PRESSURE DROP
14
5 / 1 6 "
H O L E
C O I L S E C T I O N
0.25
0.2
0.15
0.1
0.05
0
1500
2500
operation, check the belt and pulleys for tightness and align-
ment.
Failure to properly adjust the total system CFM
can result in extensive blower damage or sys-
tem damage.
After readings have been obtained remove the tubes and
seal up the drilled holes in the side panel. Dot plugs (5/16" -
P/N 029-13880-000) are available through Source One Parts
ordering procedures.
NOTE: Shut down the heat pump system before taking any
test measurements to assure a dry indoor coil.
FF-10
3500
4500
5500
CFM
035-18877-001-B-0203
6500
Unitary Products Group
Advertisement
Table of Contents
