252w 2 – Alpha Technologies AMPS80 HP User Manual
Page 50
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Doc. #: 026-069-B0 Rev F
48
8. Verify that all breakers at the external load distribution box are switched OFF.
9. Refer to and verify that the following breakers are OFF
• Rectifier AC input circuit breakers (if option installed)
• inverter AC input circuit breaker
• Inverter AC output circuit breaker
• DC input breakers (if option installed)
10. If equipped with a maintenance bypass switch (MBS), place this switch in the INVERTER mode.
11. If a Generator is installed, verify that the transfer switch has a minimum 1 second switching delay or that
the transfer is always in phase (+/- 30 deg).
Starting-up the system
12. Switch on the AC mains/utility power.
13. Verify the AMPS80 HP system AC input voltages at the AC wiring terminals (Figure 21):
System
Voltage
Value
ALL
Neutral to Earth Ground
~0V
3 phase
L1 to L2, L2 to L3, L3 to L1
~208V
Neutral to L1 / L2 / L3
120V
2-pole
L1 to L2
~208V
Neutral to L1 / L2
120V
Split Phase
L1 to L2
~240V
Neutral to L1 / L2
120V
14. Check that the battery polarity is correct and then switch on the external battery breakers or complete the
fuse circuit.
15. Turn on the AMPS80 DC Input Breakers (if installed).
16. Verify that the system starts up and that the controller switches on: the controller display initializes with
three LEDs blinking while a self-test runs for 15 seconds. Ignore any alarm conditions indicated by the
amber and red LEDs.
Figure 27 —
Controller default home screen
252W
2%
AC Output Power
% ratio of the Output
Power VA or Watts
whichever is higher