York YHKMXH009BARX-FX Service Manual page 259

Operation
Present time setting
The timing is based on the real time. Thus, the real time should be regulated in advance.
The clock regulation steps are as follows:
Setting of power failure compensation function
When SW1-6 on PCB of wire controller is OFF, it will be in power failure compensation. If the SW1-6 is ON, it has no
compensation function.
When the power is on after blackout, the unit will return to the former state if compensation function is set. Otherwise, it
will stop. When restarting the unit, press "ON/OFF" switch on wired controller.
1.Press "CLOCK" switch
"CLOCK" flickers, and the time displayed is the real time.
2.Press " " and " " to regulate the time.
The time increases a minute each time you press "
The time decreases a minute each time you press "
3.Press "SET" switch. The setting is achieved.
Notes
If not in timing, the screen displays the real time.
If in timing, the screen displays the timing time.
If you want to know the real time, go to the first step.
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" switch.
" switch.