
24
POSSIBLE CAUSE
VERIFICATION
SOLUTION
High Supply Air Plenum Static
Check static pressure as described
Check for and add flow restrictors
Pressure
on page 25 in this manual.
as necessary in supply runs.
If necessary, add additional outlets.
Sound Attenuating Tube Not
Check for installation of sound
Where necessary, install sound
Installed
attenuating tube.
attenuating tube.
Tight Radius In Sound Attenuating
Check all tubing for tight radius.
Where necessary, correct radius.
Tube Or In Supply Tubing
Incorrect Supply Tubing Length
Check that all supply tubing runs
Where necessary, correct supply
are 9’ minimum (includes 3 ft
tubing length.
sound atten. tube).
Improperly Balanced System
Check that correct size orifices
Properly orifice supply tubing runs.
have been installed.
CONDITION: EXCESSIVE NOISE AT TERMINATOR
POSSIBLE CAUSE
VERIFICATION
SOLUTION
Air Leak At Supply Air Plenum
Check taped joint at adaptor.
Tape joint properly.
Adaptor
Insulation at Outlet Not Installed
Check for insulation at outlet.
Install insulation.
CONDITION: SWEATING AT ESP-G UNIT SUPPLY OUTLET
POSSIBLE CAUSE
VERIFICATION
SOLUTION
Noisy Blower Motor Assembly
Check blower motor assembly.
Tighten all fasteners.
Check blower motor for bearing
Replace motor.
noise.
Check for loose or damaged blower
Tighten or replace blower wheel
wheel.
as necessary.
CONDITION: EXCESSIVE VIBRATION AT ESP-G UNIT
POSSIBLE CAUSE
VERIFICATION
SOLUTION
Return Air Duct Not Installed
Check for minimum 90˚ bend in
Correct bend in return air duct
Properly
return air duct.
to minimum 90˚.
Dirty Return Air Filter
Remove and inspect.
Clean or replace air filter.
CONDITION: EXCESSIVE NOISE AT RETURN AIR GRILL
Summary of Contents for ESP-G SYSTEM
Page 10: ...10 FIGURE 2 9 FIGURE 2 8...
Page 13: ...FIGURE 2 13 WIRING DIAGRAM 13...