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Chapter 5: Alarm Programming
57
not respond to temperatures encountered at maximum settings
or beyond.) Begin by following the key sequence shown in
Section 5.4.1, and when prompted to enter the high or low
temperature value:
• Set high temperature to either +150
o
F or +65
o
C (high
temperature limit) to prevent the Model 1104 from
responding to a high temperature alarm.
• Set low temperature to either -20
o
F or -30
o
C to prevent
the Model 1104 from responding to a low temperature
alarm.
5.4.3 Interrogating High and Low Temperature Limits
1. Press WHAT IS.
2. Press TEMP LIMITS.
3. Press the number key corresponding to the selected
temperature input.
5.5 Temperature Scale
Temperature inputs may be set in either Fahrenheit or Celsius
degrees. The default temperature scale is Fahrenheit. To change
to Celsius:
1. Press SENSOR ON/OFF.