Unit installation

IOMM ACZ1-2 ACZ 010A through 039A 41

menu item is selected, the display changes to the selected data screen. An example follows

showing the selection of the “VIEW REFRIGERANT” screen.

Suppose the initial screen is as below or any other menu screen:

ALARM LOG

(data)

After pressing the MENU key, the top level menu screen will show:

< ALARM

< VIEW

< SET

After pressing the “VIEW” menu key, a menu screen will show:

VIEW < UNIT

< COMPRESSOR

< REFRIGRANT

< FANS

Selection of any of these will advance to the appropriate data menu. For example, after pressing the

“REFRIGERANT” menu button, the selected data screen will show:

VIEW REFRIG

PSI °F

SAT EVAP XXX.X XX.X

SAT COND XXX.X XX.X

The ARROW keys will automatically return to the “scroll” mode at this time.

Screen Definitions VIEW

This section contains information on each screen. The menu screens are in order of the

matrix in Figure 14, going from left to right and then down when there are sub-menus.

Many menus are self-explanatory.

VIEW UNIT

VIEW UNIT STATUS (1)

Unit = AUTO

Stage=X Request=X

Unit status can be OFF, AUTO, and ALARM as determined from the Unit State variable,

the Unit Mode setpoint, the Unit Enable and the presence of an alarm.

VIEW UNIT STATUS (2)

Stg Up Delay=XXXsec

Stg Dn Delay=XXXsec