UPS for 208 Vac Grid, Installation Guide, doc. rel. 3.0
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To change the System Controller setting from the default N.O. (normally open) to
N.C. (normally closed):
1.
From the System Menu go to input dry contact settings by choosing
Setup > Dry
contacts > Input dry contacts
.
The Input Dry Contacts screen appears:
Figure 48: Changing the auxiliary contact to normally closed
2.
In the Input Dry Contacts screen, locate the
Generator
dry contact now that you have
enabled it, and select normally open or normally closed depending on your ATS or
Generator’s auxiliary output.
3.
Select
Confirm
.
Generator mode setting is setup now.
To perform the ATS test:
1.
Switch on the generator or secondary power source.
2.
Verify that the ATS is set to 10 seconds transfer delay and it is fully operational.
3.
Disconnect the primary input feed.
4.
Verify that the ATS transfer time was greater than 10 seconds.
5.
Verify stability of UPS output.
6.
Verify limited charging current to the battery (<2A).
3.4.5.
Test: ECO mode
For customers looking to maximize efficiency the UPS can be configured to support ECO mode.
This keeps the UPS on standby and only transfers to the inverter when there is an issue with the
Summary of Contents for B60US-IB
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