Koolance EXT-400SL - Manual (Page 25)

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The coolant in your system should be emptied for any of the below reasons. Unless
replacing the liquid coolant, it can also be reused.
1. To Keep it Clean - Koolance recommends replacing the liquid coolant about
every 2 years. The coolant should also be replaced if it becomes contaminated
or signifi cantly changes color.
2. Upgrading Coolers - Whether you are adding or removing liquid coolers,
upgrades can be performed more easily with a dry system.
3. Shipping - For safety, Koolance recommends draining the liquid coolant if the
system is to be shipped or transported in a method other than by hand.
Draining & Maintenance
To drain the system, turn the Exos upside-down
and hold a 1 liter container below the reservoir
plug. Unscrew the refi ll plug to begin draining the
system.
In some confi gurations, air may not be able to enter
the system and will prohibit coolant from draining. If
this occurs, you can remove tubing from the high-
est cooler within the chassis to relieve the liquid.
NOTE: This may result in spillage and should
not be done with installed computer hardware
or a power supply.
CAUTION : Because of the possibility of leakage, computer hardware
should fi rst be removed before draining your system if done so by
hose disconnection.
!
Radiator Performance
Over time, dust will accumulate on the radiator. While the cooling system may
continue to operate in this condition, performance can decrease. To keep the
system clean, check the radiator periodically (through the top fan grill) and use
a can of electronics air cleaner if necessary.
Filling & Maintenance