Bonaire B Series Light Commercial - Manual (Page 25)

I NSTALLATION , O PERATION & M AINTENANCE
Service & Maintenance
SERVICE & MAINTENANCE
P ROBLEM S OLVING
PROBLEM PROBABLE CAUSE SUGGESTED REMEDY
• Undersized air conditioner. • Replace with larger air conditioner.
•
Clogged or dirty filter pads. • Clean or replace pads.
•
Insufficient air discharge openings
or inadequate exhaust from area
being cooled, causing high
humidity and discomfort. • Check water distribution system for
possible obstruction in tubing. Check
pump.
• Excessive Ambient Humidity (see
also item above re-inadequate
exhaust). • 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.
• Fan turning backwards. • Re-connect motor for correct rotation.
• Fan running too slowly. • Check motor amps. If below
nameplate amperage, re-adjust motor
pulley (sheave) to increase fan
speed.
Inadequate
Cooling
•
Belt slipping. • Tighten belt by re-adjusting position
of motor. Replace belt if worn.
• Circuit breaker tripped or fuse
blown. • Reset circuit breaker or broken fuse.
Check circuit breaker size correct
•
Loose electrical connections. • Check all electrical connections.
• Defective control switch. • Replace.
• Motor burnt out. • Replace.
•
Belt or pulley loose. • Tighten belt and pulleys.
•
Belt broken or missing. • Install new belt
Fan fails to
start
•
Belts too tight. • Adjust belt tension.
• Belt loose. • Tighten belt.
•
Pulleys out of line. • Align pulleys.
•
Moisture getting on belt. • Stop any water leaks. Adjust Dialflo to
stop water carry over.
•
Worn belts. • Replace belt
Belt slipping or
wearing
excessively
•
Worn pulleys. • Replace pulleys.
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