User's Manual

Subfloor EZ Node Hardware Installation Guide

Version 1.0

 Cable ties, 24” thermistor harness,

mounting bracket (not shown)

PLACE LOW-PRESSURE DIFFUSER IN STILL AIR.

Warning: The Subfloor EZ Node contains a low-pressure sensor internal to the unit, but

if a client needs to have the U-turn hose replaced by an external hose, make sure to

position the low-pressure diffuser (-) in an area of still air. Rapidly moving air provides

incorrect pressure readings. Keep diffuser at least one foot away from server fan airflow,

holes in the subfloor, or perforated floor tiles.

PLACE HIGH-PRESSURE DIFFUSER AWAY FROM OBSTRUCTIONS.

Warning: Position the high-pressure (+) diffuser away from air turbulence in the

subfloor cavity (for example, large cable bundles, electrical boxes, wall outside corners,

bends or edges, and concrete support columns).

BE CAREFUL WHEN REMOVING HOSES FROM A PRESSURE NODE.

Warning: Hose connections on the Subfloor EZ Node are brittle, particularly in subfloor

cavities or cold aisles where chilled air is present. See Replacing a Subfloor EZ Node

Diffuser Hose on page 18 for more information.