Honeywell ControlEdge 900 platform Hardware Planning And Installation Manual page 71

ATTENTION: It is recommended each power supply should
be powered from a separate power source and a power
switch should be installed to allow for servicing of each
Processor/Supply separately.
4. Ensure that wiring to the Power Supply is disconnected from the
site source, and then connect the AC or DC wiring to the power
supply as shown below.
CAUTION:
Hazardous Voltage
Ensure that wiring to the Power Supply is disconnected
from the site AC source before installing wiring.
Do not remove Yellow/Green wire from grounding stud on
the power supply.
Do not connect PE Ground (Green) Wire directly to terminal
on Power Supply.
Failure to comply with these instructions could result in
death or serious injury.
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