Johnson Controls Penn System 450 Series - Clean Room Control System Example with Temperature, Pressure, and Humidity Control; Solar Heating Control System Example Using Differential Control

System 450™ Series Modular Control Systems with Standard Control Modules Technical Bulletin28
Clean Room Control System Example with Temperature, Pressure, and
Humidity Control
Figure 9 shows a standard System 450 control system example for a clean room
application that controls temperature, pressure, and humidity simultaneously.
Figure 10 shows the System 450 UI Main screens, System Status screens, and
System Setup screens for the clean room control system with simultaneous
temperature, pressure, and humidity control shown in Figure 9.
Solar Heating Control System Example Using Differential Control
Figure 11 shows a standard System 450 control system example for a solar water
heating and storage application that uses the Differential Control feature to control
two circulation pumps.
Figure 9: Standard System 450 Control System Example for a Clean Room
Application That Controls Temperature, Pressure, and Humidity Simultaneously
CO
M
AO
1
WIRING
24V
Sn2
C
C
C
Sn1
Sn3
5V
240
VAC
120
VAC
LC1
LNO1
LNC1
LC2
LNO2
LC1
LNO1
LNC1
LC2
LNO2
LC1
LNO1
LNC1
LC2
LNO2
LC1
LNO1
LNC1
LC2
LNO2
LC1
LNO1
LNC1
LC2
LNO2
FIG:Sys450_clean_room_app