1314-900 Revision BA
250W Precision Calorimeter
24
5
Maintenance
Periodic Inspection and Servicing
WARNING
–
This unit must be disconnected from all AC or RF power before any
repairs are attempted. Any attempt to repair without disconnecting ac or RF power
could be fatal.
The coolant reservoir should be checked each time the unit is used, add coolant when low. The
life expectancy for the gear pump used inside the chiller is approximately 20,000 hours.
The following should be performed at intervals of one to six months depending upon usage:
•
Remove cover to access internal components.
•
Remove accumulations of dust, dirt, and other obstructions to air flow on the rack
system.
•
Inspect hardware and tighten as required.
•
Check all coolant lines are clear of obstructions.
•
Clean or replace strainer element (50 micron filtration needed) located between the
chiller outlet and unit inlet barb.
NOTE - If the pump has excessive noise or cavitation is taking place the strainer element
should be checked.
•
Clean air inlet, air outlet/fan filters on the chiller using a vacuum.
