Boyd AAVID Kodiak H02 Series, Техническое руководство

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Kodiak  Recirculating Chiller Technical Manual
Manual# 820-0043 Rev N, 11/25/2019
28
Problem Possible Cause
Recommended Remedy
Unit does not cool
(Continued)
Unit has tripped the high-pressure
cutout. (RC045 only), RC022 Water
Cooled, RC030, and RC045
Remove air obstructions from around
the unit; manually reset the high-
pressure control (Inside rear of unit,
this is a blue button on a white box.
Press to reset.)
Compressor has tripped its internal
overload.
Let the unit cool, the overload will
reset itself, normally in 30 minutes or
less.
Unit does not cool
(Water cooled
Condenser)
Facility water flow rate too low.
Check page 14 for required flow rate.
Ensure that at least this much is
provided.
Excessive noise
on startup
Liquid refrigerant in the suction line
to the compressor. This should go away after the system
runs for a few minutes.
Low voltage or wrong voltage to unit.
Verify power source; check electrical
service.
Noisy compressor
Unit stored in cool environment for a
long period may have collected liquid
refrigerant in the compressor.
This should go away after the system
runs for a few minutes.
Leaking pump
Pump shaft seal damage. Replace pump.
Faulty pump casing. Replace pump.
Fluid is incompatible with pump
seals. Drain fluid immediately - Call Boyd
Systems Service Department.
Pump motor
overheats
Improper voltage to the system.
Verify and correct the voltage to the
chiller.
Obstruction in pump head.
Shut down unit, clear obstruction,
restart unit. Check lines for
restrictions.