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McDonald’s HEMS II page 10
Home Page – continued
This area of Home Page shows the following:
1. Current freezer and cooler temperatures. By touching or clicking on any numeric value you will be directed
to a trend log of accumulated freezer or cooler temperature data. See page 18 of this document for more
information on this. RED bullet light (next to Freezer or Cooler) indicates an alarm condition. No alarm
condition and the light will be GREEN. If freezer temperature is 25°F or greater for 5 minutes or more an
alarm condition will exist. If cooler temperature is 42°F or greater for 5 minutes or more and alarm condition
will exist. When in an alarm condition an internal panel alarm horn will sound continuously. Pressing the
Alarm Silence icon causes the internal alarm horn to stop temporarily, yet will start up again if alarm
condition exists after another 5 minutes.
2. Current status of freezer and cooler doors. RED bullet light (next to Freezer or Cooler) indicates an alarm
condition. No alarm condition and the light will be GREEN. With freezer or cooler doors closed the
nomenclature to the right will indicate Door Closed with a gray background color. With freezer or cooler
doors open for more than 5 continous minutes the nomenclature will read Door Opened with a RED
background and the internal panel alarm horn will sound continuously. Pressing the Alarm Silence icon
causes the internal alarm horn to stop temporarily, yet will start up again if alarm condition exists after
another 5 minutes.
3. Current bulk C02 reading in parts per million (PPM). RED bullet light (next to CO2) indicates an alarm
condition. GREEN indicates unit is OK. When in alarm condition for more than five minutes (CO2 reading
at 15,000 PPM or greater) an internal panel alarm horn will sound continuously and the NORMAL
nomenclature to the right will change to ALARM with a RED background color. Pressing the Alarm Silence
icon causes the internal alarm horn to stop temporarily, yet will start up again if alarm condition exists after
another 5 minutes. CO2 point information and alarming is an option for the HEMS II panel and may or may
not be included with your system based on what was ordered.