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York YK M3 M3 G4 The Microcomputer Control Center, Programming System Setpoints

Models: YK M3 M3 G4 THRU YK S6 S4 J2, YK LB LB G4 THRU YK SE SC J4 YK M3 M3 G4

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PROGRAMMING

PROGRAMMING

THE MICROCOMPUTER CONTROL CENTER

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. 5.)

1.Press ACCESS CODE key.

2. ENTER VALID ACCESS CODE _ _ _ _ is displayed.

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 dig- its 9 6 7 5 on a telephone dial.

5. Press ENTER key.

NOTE: If digits other than 9 6 7 5 were entered in step No. 4, INVALID ACCESS CODE is displayed when the ENTER key is pressed. If this oc- curs, enter the correct access code (9675) and proceed.

6. ACCESS TO PROGRAM KEY AUTHORIZED is displayed.

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. PROGRAM MODE, SELECT SETPOINT is displayed.

LD00954

FIG. 5 – KEYPAD – PROGRAMMING SYSTEM SETPOINTS

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 default values and the cursor will return to the first change- able digit. You can then proceed to enter the correct values. If the entered value exceeds acceptable lim- its, OUT OF RANGE – TRY AGAIN!

message will be displayed for 2 seconds, then the

PROGRAM MODE, SELECT SETPOINT message will re- appear.

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 LO- CAL, REMOTE or SERVICE mode . . . . whichever was last selected.

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York YK M3 M3 G4 operation manual The Microcomputer Control Center, Programming System Setpoints, Press ACCESS CODE key
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FAQ

What are system setpoints?

System setpoints are specific values that can be entered to control the operation of the heat pump system.

How can I enter system setpoints?

To enter system setpoints, you can press the ACCESS CODE key, enter the valid access code, and press the ENTER key to authorize access to the program mode.

What should I do if I make a mistake when entering a value?

If you make a mistake when entering a value, you can press the CANCEL key, then the ENTER key to revert to the default values and correct the entered values.