Trouble Shooting - Braemar RPA Series Installation, Operation & Service Manual

Trouble Shooting.

Inadequate Cooling
Fan Fails To Start
RPA INDUSTRIAL AIR CONDITIONERS
PROBABLE CAUSE
Insufficient air discharge
openings.
Inadequate exhaust for area being
cooled, causing high humidity and
discomfort.
Undersized air conditioner.
Ducts blocked or collapsed
Clogged or dirty filter pads.
Dry pads or lack of water while the
air conditioner is operating.
Excessive Ambient Humidity.
(see also top of page)
Fan running backwards.
Fan running too slowly.
Belt slipping.
Circuit breaker tripped or fuse
blown.
Overload tripped.
Power not turned ON
Loose electrical connections.
Faulty control switch.
Motor burned out.
SUGGESTED REMEDY
Make sure adequate openings are
provided to exhaust the incoming
cool air.
Open windows, doors etc.
Replace with larger Model.
Repair Ducts
Clean or replace pads.
Check water distribution system
for obstructions. Check pump is
operating.
During summer when the
humidity is high, the unit will not
work as effectively.Turn the pump
off.
Reconnect the incoming mains for
correct rotation. (3 phase only)
Check motor amps. If below rating
plate specification, adjust motor
pulley to increase fan speed
Tighten belt.
Replace if worn.
Reset or replace.
Reset & check motor amps and
adjust if necessary.
Turn power ON
Check all connections.
Replace.
Replace.