User guide

15-6 Heaters
Impingement Heaters
Impingement heater operation on the C-721 Series dispensing systems is similar to contact heater
operation, with the exception of the vacuums, as described below and in steps A through D in Figure
15-4. Operation of the impingement heater blowers is constant, as described below and in steps E through
G in Figure 15-3.
For the heaters:
A. Temperature parameters are set up in FmNT.
B. FmNT sends the temperature information to the Temperature Controller Module.
C. The Temperature Controller Module sends the information directly to the heaters.
D. The controller monitors the temperature and reports the information back to FmNT.
For the blowers:
E. Heater air supply begins at the Main Air Gauge and Regulator.
F. The Main Air Gauge and Regulators send the air to the heater flow controls located on the
inside front right corner of the dispensing area.
G. The impingement flow controls supply air directly and constantly to the heaters.
Figure 15-4 C-721 Impingement Heater Operation
A
)
Fluidmove
Temperature
Settings
B)
4- or 8-Channel
Temperature
Controller Module
C)
Heaters
D)
Main Air Gauge
and Regulator
E)
Fluidmove
Temperature
Settings
D
)
D
)
C
)