Email: service@haskris.com
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Phase Monitor
Purpose: The chiller has a phase monitor to check incoming electrical power.
Operation: The phase monitor is factory adjusted by Haskris according to the proper electrical
settings for the chiller. Do not adjust the knobs on the phase monitor without discussion and
approval from Haskris.
The phase monitor will show a solid green LED if the voltage and phase from the service disconnect
is correct. If the phase monitor has a solid or flashing red LED, contact a licensed electrician to
correct the fault.
• Reversal is caused by the 3 lines being in an improper sequence. To correct a reversal, switch
any 2 of the 3 line connections. Make this switch at the disconnect, not in the chiller.
• Loss/unbalance is caused by a percentage difference in voltage between the 3 lines relative to
each other.
• Undervoltage is caused by a percentage difference in voltage between the 3 lines compared to
the line-line voltage knob setting.
• Overvoltage is caused by the voltage between the 3 lines being >10% over the line-line
voltage knob setting.
Phase fault LED status patterns
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