Applications Guide Tracer Graphical Programming - Trane

®
Summary-question answers
Figure 192: Using outdoor air enthalpy
Enthalpy block
2. First, create a calculation to track fan run hours and starts in the
Calculations application (Figure 193). Then construct a small program
module within the Alarms program to turn on the variable,
Maintenance Required, when the calculated hours exceeds 4,000
hours. Be sure to include a provision to reset the binary variable,
Maintenance Timer Reset (Figure 194 on page 239).
Figure 193: Fan Maintenance calculation setup
238 CNT-APG001-EN