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I
, O
& M
NSTALLATION
PERATION
Service & Maintenance
SERVICE & MAINTENANCE
P
S
ROBLEM
OLVING
PROBLEM
•
•
•
•
Inadequate
Cooling
•
•
•
•
•
•
Fan fails to
start
•
•
•
•
•
•
Belt slipping or
•
wearing
excessively
•
•
AINTENANCE
PROBABLE CAUSE
Undersized air conditioner.
Clogged or dirty filter pads.
Insufficient air discharge openings
or inadequate exhaust from area
being cooled, causing high
humidity and discomfort.
Excessive Ambient Humidity (see
also item above re-inadequate
exhaust).
Fan turning backwards.
Fan running too slowly.
Belt slipping.
Circuit breaker tripped or fuse
blown.
Loose electrical connections.
Defective control switch.
Motor burnt out.
Belt or pulley loose.
Belt broken or missing.
Belts too tight.
Belt loose.
Pulleys out of line.
Moisture getting on belt.
Worn belts.
Worn pulleys.
Page 25
SUGGESTED REMEDY
•
Replace with larger air conditioner.
•
Clean or replace pads.
•
Check water distribution system for
possible obstruction in tubing. Check
pump.
•
On days during summer when the
ambient humidity is very high, the air
conditioner will not reduce
temperature as mush as on drier
days. There is no remedy except to
shut off the pump.
•
Re-connect motor for correct rotation.
•
Check motor amps. If below
nameplate amperage, re-adjust motor
pulley (sheave) to increase fan
speed.
•
Tighten belt by re-adjusting position
of motor. Replace belt if worn.
•
Reset circuit breaker or broken fuse.
Check circuit breaker size correct
•
Check all electrical connections.
•
Replace.
•
Replace.
•
Tighten belt and pulleys.
•
Install new belt
•
Adjust belt tension.
•
Tighten belt.
•
Align pulleys.
•
Stop any water leaks. Adjust Dialflo to
stop water carry over.
•
Replace belt
•
Replace pulleys.
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