Se c tion 5: Se que nc e s o f ope ratio n
Topics in this section cover the sequences of operation for the AppStat.
These are advanced topics for control's technicians and engineers.
This section covers the following sequences of operation.
Room temperature setpoints on page 66
Occupancy, motion sensing, and standby on page 67
Automatic cooling and heating changeover on page 68
Scheduling occupancy on page 68
Dehumidification sequence on page 68
Fan status on page 68
Display blanking and backlight on page 69
Temperature sensing inputs on page 69
PID control loops on page 70
Valve operation for fan coil units on page 70
Electric heat for fan coil units on page 72
Fan operation for fan coil units on page 72
Modulating cooling and heating for Roof Top Units on page 73
Staged heating and cooling for for roof top and heat pump units on page 74
Fan control for roof top and heat pump units on page 74
Economizer cooling for roof top and heat pump units on page 75
Heat pump unit specific functions on page 75
Installation, Operation, and Application Guide for AppStat
Revision G 65