Electrical Knockouts; Verifying Transformer Setting; Three-Phase Adjustment - Aquacal TropiCool TC500 Installation Manual

3.4.f Electrical Knockouts
™
TropiCool
3.4.g Verifying Transformer Setting
Transformer voltage settings must be confirmed and set correctly depending on the measured voltage found
on the site. Incorrect settings may cause chiller damage. The following procedure will allow the installer to
set the chillers transformer for the appropriate site voltage.
WARNING - Failure to heed the following may result in injury or death.
The information contained in this section is intended for use by qualified electrical installation technicians,
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familiar with electrical service-industry safety standards and methods.
CAUTION - Failure to heed the following may result in equipment damage.
1. Turn chiller on by adjusting the thermostat to call for heat. If more than
one chiller is on site, turn them all on. Final adjustments must be made
with all chillers running.
2. Measure the running site voltage.
3. Confirm transformer tap is set for the measured site voltage. If more than
one voltage tap is shown, select the voltage nearest to the running site
voltage.
Please note: If more than one voltage is shown on the equipment's data plate, the factory
default setting is the higher listed voltage. As an example, a "208 / 230" voltage will be set
to "230" from the factory.
4. If a chiller is using three-phase incoming power, confirm voltage and settings are correctly set at the monitor.
See "Three-Phase Adjustment" on page 9.
3.4.h Three-Phase Adjustment
If a three-phase unit fails to operate at start up, the orientation of the line voltage "field" wiring may need to be
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adjusted.
Units equipped with the ICM Digital Three-Phase Monitor will display a "Back Phase Rev" fault code. There is
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no display on the standard three-phase monitor.
Three-phase models may be equipped with a Standard Three-Phase Monitor ( Figure 1 ) or the ICM Digital Three-
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Phase Monitor ( Figure 2 ).
Page - 9
Example of chiller
transformer
(Varies between models)