Johnson Controls System 450 Series - Page 9

Figure 2: C450CCU menu blocks
Note:
• Press and hold the Up and Down arrows simultaneously to access and exit the C450CCU’s
menu. Press M to advance between the various start-up screens.
• Screens with dashed outlines appear when certain configuration parameters or menu
selections are met.
9System 450 Series C450CCU Condensing Unit Control System Technical Bulletin