User Basics 5
USB Port
There is a USB port on the case. This USB port can be used with TSI’s Configuration Software.
Figure 3. USB Port Location
Alarms
The Model RPC30 controller has visual (red light) and audible alarms to inform you of changing
room conditions. The alarm levels (set points) are determined by facilities staff, which could be
Engineering, Industrial Hygiene, or a facilities group depending on how the safety staff is
organized.
The audible and visual alarms will activate whenever the field configured alarm level is reached.
The alarms will activate if the room pressure differential is low or inadequate, high or too great, or
when the airflow is too low or too high (need optional flow device installed). When the room is
operating safely, no alarms will sound.
Example: The low alarm is preset to activate when the room pressure differential falls
below -0.01.0 in. W.C. (closer to neutral). When the room pressure drops
to -0.005 in. W.C., for example, the audible and visual alarms activate. The alarms
turn off (when set to unlatched) when the unit returns to the safe range, which is
defined as 0.001.0 in. W.C. greater than alarm set point (-0.01.0 in. W.C.).
Visual Alarm
The display of the controller turns red to indicate an alarm condition. The icon turns continuously
red for all alarm conditions.
Audible Alarms
The audible alarm is continuously on in all low and high alarm conditions. The audible alarm can
be silenced by pressing the MUTE key.
If the audible alarm has been muted, the alarm is silenced for a configurable period of time (see
menu item MUTE TIME) or the measurement returns to the safe range. The safe range is
0.001.0 in. W.C. (50 cfm) above the low alarm set point and 0.001.0 in. W.C. (50 cfm) below the
high alarm set point.
The audible and visual alarms can be programmed to either automatically turn off when the unit
returns to the safe range or to stay in alarm until the key is pressed (See menu item
ALARM RESET).
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