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

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