Working with Gas Alarms
Functional Overview
If the refrigerant level in the area being monitored exceeds its preset Leak, Spill, or Evacuate Alarm level (Page 17), the HGMSZ will detect this alarm condition and turn ON the front panel ALARM light. Additionally, an external alarm device may activate and the monitor’s internal audible alarm may sound if those features have been enabled (Pages 10 & 17).
Clearing / Silencing a Gas Alarm
Once the
Pressing the SILENCE button while a
Viewing the Gas Alarm Log
From the Data Display screen, use the Keypad buttons to place the arrow (>) on the display next to the ALARMS function. Then press ENTER to display the alarm log.
The alarm log shows the type of alarm (LEAK, SPILL, or EVAC), plus the date and time it occurred. If CLEAR is displayed, this indicates that an alarm was acknowledged at the date and time shown.
Immediately after selecting the ALARMS function, the most recent alarm event is displayed. In the example below, record #03 shows that a Spill Alarm occurred on 11/10/03 at 15:06. Note that if more than 30 alarm events have occurred, then the newest event overwrites the oldest.
#03 | SPILL @ |
11/10/03 15:06
Note that the Alarm Log can be cleared as described in Section Clearing the Stored PPM Log, Alarms & Faults Data on Page 20.
Working with System Faults
Functional Overview
If a system malfunction occurs (see Fault Code list on Page 19), the HGMSZ will detect the problem and turn ON the front panel SYSTEM FAULT light. Additionally, an external alarm device may activate and the monitor’s internal audible alarm may sound if those features have been enabled (Pages 10 & 17).
Clearing / Silencing a Fault Alarm
The SYSTEM FAULT light and all other fault indicators will automatically turn OFF after the cause of the fault has been eliminated.
Pressing the SILENCE button while a
18 | Instruction |