Kodiak RC022 User Manual

Kodiak Recirculating Chiller Technical Manual
Manual # 820-0109, Rev. Y, 07/08/10 - 30 - Check Lytron’s website www.Lytron.com
for the most current technical information.
Problem
Possible Cause Recommended Remedy
Low temperature alarm is set too close to
cooling set point temperature.
Adjust low temperature alarm set point.
High temperature alarm is set too close to
cooling temperature set point.
Adjust high temperate alarm set point.
Low coolant flow
Pump suction strainer is clogged.
(Positive displacement pumps only.)
Remove strainer, clean and reassemble.
Low coolant level or no coolant in the
reservoir.
Check for leaks. Repair any leaks and fill
reservoir.
Water filter dirty or clogged. Change filter cartridge.
Pressure relief on the pump is set too low.
(Positive displacement and turbine pumps
only.)
Adjust the pressure relief to 90 psig. For
a high-pressure application (over 90 psig)
contact Lytron Applications Engineering.
Restriction in coolant lines external to the
chiller.
Eliminate restrictions in the lines. Open
any valves.
Pump overload has tripped.
Turn unit off. Wait for overload to cool. It
will reset on its own in 30 minutes or less.
Leaks in external piping. Repair leaks.
Pump motor shaft is bound. Replace pump motor.
Low coolant flow
Damaged pump. Replace pump.
Shutoff feature is enabled in the controller
set up menu. (Controllers with options II
and III)
Find out and correct the fault that is
causing the shutoff. Disable shutoff
feature (see controller set up).
Low flow switch tripped. See Low Coolant Flow
Chiller shuts down
during operation
Auto Temperature alarm has tripped.
Process fluid temperature has reach a
temperature higher than the system’s
design temperature.
Temperature set point is not set properly.
Verify values in the controller, including
offset. Reset as necessary.
Temperature display
reads incorrectly
Offset incorrectly set. Reset temperature offset.
Pressure drop through system is too
large.
Reduce line length or increase line
diameter.
Recirculating
pressure is too high
Pump internal pressure relief is set too
high.
Reset pressure relief to 90 psig.
Temperature display
dim at start up.
This is a normal part of the start up
process. It does not indicate that there is
a problem.
Wait 5 to 10 seconds and the display will
brighten to its normal level.

Kodiak RC022 Specifications

General

Brand	Kodiak
Model	RC022
Category	Chiller
Language	English