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CHAPTER 2: INSTALLATION AND SETUP
IS-2200CA/4500CA INVERTER POWER SUPPLY
2-16
990-412
IS-4500CA Cooling Water Requirements
The connections to the Power Supply are made with 1/2” FNPT fittings through the rear of the Power
Supply. 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-4500CA Cooling Water Hose Connections
CAUTION:
Do
not
perform service on cooling system unless inverter power is OFF and breaker handle
tagged!
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.
Содержание S-2200CA
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Страница 210: ...AMADA WELD TECH INC 1820 South Myrtle Ave Monrovia CA 91016 U S A TEL 1 626 303 5676 FAX 1 626 358 8048...