York Millennium YCAJ150, Installation Operation & Maintenance, Page: 49 / 116

FORM 150.65-NM4
49 YORK INTERNATIONAL
programmed Daily Schedule is calling for the chiller to
be OFF (Daily Schedule Shutdown).
Once activated, MANUAL OVERRIDE is only active for
a period of 30 minutes. It is for servicing only and is
designed so that if left on accidentally, the microproces-
sor will automatically return to the Daily Schedule.
MANUAL
OVERRIDE
M A N U A L
O V E R R I D E
Manual Override
When the MANUAL OVERRIDE key is pressed, the Daily
Schedule programmed into the chiller will be ignored and
the chiller will start-up when water temperature allows,
unit switch permits, and system switches permit.
Normally this key is not used unless an emergency forces
the chiller to require operation during a period where the