102 YORK INTERNATIONAL
3. Using the Entry keys, enter “9675”.
4. As each digit is entered, the characters YORK are
displayed.
NOTE: If digits other than 9 6 7 5 are entered, YORK
is still displayed.
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 occurs, 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 access
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.
9. Press MODE key.
10.The mode that has been previously selected will be
displayed as follows:
LOCAL MODE SELECTED
– or –
REMOTE MODE SELECTED
– or –
LOCAL MODE SELECTED
11.Press the ADVANCE DAY key to scroll to desired
mode. Each time this key is pressed, a different mode
is displayed as above.
12.When the desired mode is displayed, press the EN-
TER key.
13.
PROGRAM MODE, SELECT SETPOINT
is displayed.
14.Press the ACCESS CODE key to exit the PROGRAM
mode and terminate access to the PROGRAM mode.
15.
ACCESS TO PROGRAM MODE DISABLED
is displayed.
normal background message to be displayed. Pressing
the CANCEL key exits the HISTORY display.
OPERATING MODES
The Millennium Control Center can be operated in four
different operating modes as follows:
SERVICE – Enables all the Service keys except DIS-
PLAY DATA and HISTORY PRINT, which are enabled
in all modes. See “Service Keys”, page 21.
LOCAL – This is the normal operating mode. The unit
can be started and stopped from the Control Center.
Also, the Display and Setpoints parameters, can be
displayed.
REMOTE – In this mode, the Control Center will ac-
cept control signals from a remote device (i.e. Energy
Management System) or cycling inputs. The control sig-
nal inputs are:
1. Remote Start
2. Remote Stop
3. Remote Leaving Chilled Water Temp Setpoint
4. Remote Load Limit Setpoint
NOTE: The unit can be stopped by the unit switch, re-
gardless of the operating mode. The switch must
be in RUN position to enable REMOTE mode.
The operator cannot locally start the unit using
the UNIT switch when in the REMOTE mode.
To determine which operating mode the Control Center
is presently in, simply press the mode key.
If the Control Center is in LOCAL mode,
LOCAL OPERATING MODE IN EFFECT
is displayed.
If the Control Center is in REMOTE mode,
REMOTE OPERATING MODE IN EFFECT
is displayed.
If the Control Center is in SERVICE mode,
SERVICE OPERATING MODE IN EFFECT
is displayed.
To change operating mode, proceed as follows:
1. Press the ACCESS CODE key.
2.
ENTER VALID ACCESS CODE
is displayed.
To Next Page
Loading...
