User Manual
Table Of Contents
- introduction
- system overview
- safety
- installing SPICE
- maintenance
- glossary
- installation checklist
- unit specifications
FIVE: maintenance SPICE™ Hardware Guide
replace external power supply 550008 Rev. A
46 Littlefeet, Inc.
replace external power supply
To replace the external power supply to a SPICE unit, first disconnect the power to the unit. If an
external disconnect device is used, break the circuit to the unit.
Disconnect the power cables going into the power supply from the mains power and then from
the unit.
figure 44. disconnecting cables
If the power supply is pole-mounted, remove the power supply from the mounting bracket and
mount the new power supply on the bracket. Torque the screws to 35 in-lbs (3.9 N-m).
If the power supply is wall-mounted, remove the power supply and mounting bracket from the
wall, and mount the new power supply and bracket in its place. Make sure that the mounting is
secure.
Reconnect the power to the unit.
note
The unit will be unavailable for maintenance for two to five minutes while the unit reboots.