Components - Siemens 125-2134 Owner's Manual

Components

The components of the DPM include:
•
Liquid Crystal Display (LCD)
•
Light Emitting Diodes (LEDs) (2)
•
Horn Silence Button
•
Portable Operator's Terminal Port
•
Pressure Mode Key Switch (optional)
LCD Messages
The LCD shows the differential pressure of the room in inches of H
shows the status of the DPM with the following messages:
LCD Message...
LOW PRESSURE
HIGH PRESSURE
DOOR OPEN
GENERAL FAILURE
SWITCH OVERRIDE
ANTEROOM
NO ISOLATION
PROTECTIVE ISOLATION /POSITIVE
PRESSURE
INFECTIOUS ISOLATION/NEGATIVE
PRESSURE
Siemens Building Technologies, Inc.
Indicates that the...
room differential pressure is below the user-
defined limit.
room differential pressure is above the user-
defined limit.
door to the occupied space is open if it is being
monitored.
RPT has lost power or the DPM is not receiving
the pressure signal from the RPT.
database points that determine pressurization
mode have been set from a field panel. This
overrides the pressure mode key switch position,
rendering it ineffective.
LCD is displaying the anteroom pressure in
response to pressing the Horn Silence button, or
anteroom differential pressure is not being
maintained.
device is monitoring for neutral pressure.
device is monitoring for positive pressure
(Applications 701 and 702).
device is monitoring for negative pressure
(Applications 703 and 704).
Chapter 1 – Hardware
O or Pascals. It also
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