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11 Appendix
Uninterruptible Power Supply (UPS) Use and Installation
The intent of the Uninterruptible Power Supply (UPS) shutdown feature on Dimension and uPrint 3D
printers is to prevent required maintenance and/or system damage by safely shutting the system
down in the event of an uncontrolled loss of power. Whether an in-process build of a part will
complete successfully is dependent on the battery life of the selected UPS and the duration of the
power outage.
The user should select a UPS with the following specifications:
• Runtime minimum of 15 minutes at 1000W output (run times >15 minutes may be appropriate
based on the typical duration of power outages at the site)
• Peak output (minimum) of 1500W
• Dry contact (voltage free) interface for “On battery” and “Low battery” conditions
• Dry contact interface capable of carrying at least 100mA at 12VDC.
The Installation Instructions below are specifically for connecting the I/O portion of an American
Power Conversion Corporation (APCC) Smart-UPS 2200VA module to Dimension and uPrint 3D
printers. Similar instructions should be followed if alternative manufacturer and/or models that
meet the above specifications are selected.
Model Numbers and Options
In addition to the UPS, the Relay I/O SmartSlot Card is required to enable electrical interface from
the UPS to the 3D printer.
APCC Smart-UPS 2200VA
• 120V (part number SUA2200)
• 208V (part number SUA3000XLT)
• 230V (part number SUA2200I)
Relay I/O SmartSlot Card (part number AP9610)
General Information
Refer to the UPS and I/O Module Installation and Operation Guides for instructions on installing the
I/O module into the UPS unit as well as for connecting AC power to the UPS and 3D printer. While
connecting the 3D printer power to the UPS will provide some protection against power outages, the
3D printer will shut down safely when “on battery” and “low battery” conditions are detected.
Follow the Electrical Interface Connection information below.
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