22 • Operation - Start-Up
OPERATION
Turn on the case by turning on the store circuit breaker or optional case disconnect.
There will be a slight delay before the compressor starts.
Set the time clock on the controller.
The case fans can cycle for as long as 30 minutes (unless the case goes into defrost).
The condensing unit will run continuously for as long as 12 hours or until the case
reaches temperature or goes into defrost.
Carel Controller Standard Features
Located at Top Right of Each Case
24-Hour Time Clock
Battery Backup
Instructions for Setting the Time
CONTROLLER TIME OF DAY MUST BE SET AT INSTALL.
1. Press and hold the Program [Prg] button down for 5 seconds. Set Point “St” will be shown on the display.
2. Press the [Down] arrow once. Time Clock “tc” will be shown on the display.
3. Press the [Set] button once. The year “yxx” will be shown on the display where “xx” is the last 2 digits of the year.
4. Press the [Down] arrow once. This will cycle the control to the minutes setting. “nxx” will be shown on the display where “xx” is a number
between 00 and 59.
5. Press the [Set] button. The display will show a number between 00 and 59. Use the [Up] and [Down] arrows to change the number to the
correct minutes setting. (Example: If it is 7:42 AM, change the number to 42.)
6. Press the [Set] button again to back out of the menu.
7. Press the [Down] arrow once. This will cycle the control to the hours setting. “hxx” will be shown on the display where “xx” is a number
between 00 and 23.
8. Press the [Set] button. The display will show a number between 00 and 23. Use the [Up] and [Down] arrows to change the number to the
correct hour setting. The clock reads in military time. (Example: If it is 7:42 AM, change the number to 7 and if it is 3:42 PM, change the
number to 15.)
9. Press the [Set] button again to back out of the menu.
10. When finished, you MUST press and hold the [Prg] button for 10 seconds for the changes to take effect.
Start-Up
