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1. Turn heat pump on by adjusting the thermostat to call for heating or cooling. If more than one heat pump is on-
site, turn them all on. Allow time for all heat pump compressors to activate.
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 -
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If more than one voltage is shown on the equipment’s data plate, the factory default setting is
usually the higher voltage on the transformer.
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As an example, a "208/230" voltage will be set to "240" from the factory.
1.5.d Three-Phase Adjustment
DANGER
Failure to heed the following will result in injury or death.
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Deactivate power while routing wiring to control board.
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Follow all National Electric Codes (NEC) and/or State and Local guidelines.
WARNING
Failure to heed the following may result in injury or death.
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The information contained in this section is intended for use by qualified technicians, familiar with electrical
service-industry safety standards and methods.
NOTICE
Failure to heed the following may result in damage to equipment.
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Setting a voltage other than what is listed on the heat pump’s data plate can damage equipment and is not covered
under warranty.
If a three-phase unit fails to operate at start-up, the orientation of the line voltage "field" wiring may need to be
adjusted.
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Units equipped with the ICM Digital Three-Phase Monitor will display a "Back Phase Rev" fault code on the
phase monitor display.
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The phase monitor is located inside the electrical panel.
ICM Digital
Three-Phase
Monitor
1. Deactivate power to the unit.
Confirm that power is off to all three legs using an
electrical test meter set for the correct voltage.
2. Switch position of the incoming power wires at each leg as follows, re-connect power and
attempt to restart the unit. If the unit fails to start, disconnect power. Verify off and proceed to
the next leg.
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Switch incoming power wires at L1 and L2 on the line side to the contactor.
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Switch incoming power wires at L1 and L3 on the line side to the contactor.
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Switch incoming power wires at L2 and L3 on the line side to the contactor.
3. When heat pump starts, disconnect power and verify off. Then confirm all line voltage
connections are securely tightened. Reconnect power.
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If the heat pump does not start, contact AquaCal
®
for further assistance.
Contacting AquaCal AutoPilot, Inc.
1
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Ins
ta
ll
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Summary of Contents for GBB
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Page 25: ...Page 21 Configure Call Flex Enter Installer Menus then proceed 1 Installation...
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Page 37: ...Page 33 Configure for Scheduled Mode Enter Installer Menus then proceed 1 Installation...
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Page 74: ...Page 70 l Follow all National Electric Codes NEC and or State and Local guidelines 3 Appendix...
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