Specifications

YORK INTERNATIONAL 13
FORM 160.48-O1
PROGRAMMING THE MICROCOMPUTER
CONTROL CENTER
9. Enter setpoints as detailed below. If you make a mis-
take when entering a value, press “CANCEL” key and
then “ENTER” key. The display will revert to the de-
fault values and the cursor will return to the first
changeable digit. You can then proceed to enter the
correct values. If the entered value exceeds accept-
able limits,
OUT OF RANGE – TRY AGAIN!
message will be displayed for 2 seconds, then the
PROGRAM MODE. SELECT SETPOINT
message will reappear.
10. When all the desired setpoints have been entered,
press the “ACCESS CODE” key to exit program mode
and terminate access to program mode.
ACCESS TO PROGRAM MODE DISABLED
is displayed. The Control Center will automatically
return to “LOCAL”, “REMOTE” or “SERVICE”
mode . . . whichever was last selected.
FIG. 6 - KEYPAD - PROGRAMMING SYSTEM
SETPOINTS
PROGRAMMING SYSTEM SETPOINTS
The system setpoints can be entered at any time . . .
even when the system is running. Proceed as follows to
enter system setpoints. (Refer to Fig. 6)
1. Press “ACCESS CODE” key.
2. This is displayed:
ENTER VALID ACCESS CODE ___ ___ ___ ___
3. Using “Entry” keys, enter 9 6 7 5.
4. As each digit is entered, the characters Y O R K are
displayed.
NOTE: If digits other than 9 6 7 5 are entered,
Y O R K is still displayed.
NOTE: For ease in remembering the code, note that
the letters Y O R K correspond to the digits
9 6 7 5 on a telephone dial.
5. Press “ENTER” key.
NOTE: If digits other 9 6 7 5 were entered in step
No. 4,
INVALID ACCESS CODE
is displayed when the “ENTER” key is
pressed. If this occurs, enter the correct
access code (9675) and proceed.
6. This is displayed:
ACCESS TO PROGRAM KEY AUTHORIZED
NOTE: Unless terminated by pressing the “ACCESS
CODE” key again, the operator will have ac-
cess to the “PROGRAM” key for 10 minutes.
When 10 minutes have elapsed, access to
program key will be automatically disabled
and the operator must return to step No. 1 to
gain access.
7. Press “PROGRAM” key.
8. This is displayed:
PROGRAM MODE, SELECT SETPOINT
LD00457