CHAPTER 2: INSTALLATION AND SETUP
IS-2200CA/4500CA INVERTER POWER SUPPLY
990-412
2-9
IS-2200CA Cooling Water Requirements
The connections to the Power Supply are made with 1/2" FNPT fittings through the bottom of the Power
Supply. We recommend the installation of quick-disconnect fittings to expedite water draining or Power
Unit replacement. See
Appendix A, Technical Specifications
for cooling water specifications.
CAUTION:
If the temperature drops below 32°F (0°C), the water inside the Power Supply can freeze.
If the temperature is likely to drop
below
32°F (0°C), drain the water in accordance to the procedure in
Chapter 4, Maintenance
. To prevent condensation, which may damage the Power Supply, do
not
run
cooling water through an unused Power Supply unit if the water is 4
°
F (2.2°C)
below
the minimum
operating ambient temperature. Therefore, take special care to keep the water temperature above the
minimum operating ambient temperature.
IS-2200CA Cooling Water Hose Connections
CAUTION:
Do
not
perform service on
cooling system unless the Power Supply
is turned OFF and the breaker handle
tagged! (Lock-Out Tag-Out)
NOTE:
Internal Cooling Water hoses
are factory-installed with quick-
disconnect fittings.
1.
Install a water flow failure indicator
on the water outlet. The flow failure
indicator output signals should be
connected to the appropriate pins of
the I/O Signals terminal block.
2.
After
you connect all cooling water hoses, turn the water ON and check for leaks.
NOTE:
Adjust the cooling water flow rate to at least 6L/min. If it is low, the IGBT thermostat error
will be detected and operation will stop.
Summary of Contents for S-2200CA
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