York MILLENNIUM YCUL0016SC, Assembly, Installation, Operation & Maintenance

Page: 103 / 172

YORK INTERNATIONAL
FORM 150.63-NM1
103
With the “UNIT TYPE” programmed as a condensing
unit chiller (under the Options key), the following is a
list of operating data screens in the order that they are
displayed:
This display shows the discharge air temperature leav-
ing the evaporator. This display will only be shown
when the Control Mode is programmed for Discharge
Air (under the Options key). The minimum limit on
the display for these parameters are 9.2°F (-12.7°C).
The maximum limit on the display is 85.4°F (29.7°C).
This display shows the ambient air temperature. The
minimum limit on the display is 0.4°F (-17.6°C). The
maximum limit on the display is 131.2°F (55.1°C).
3
The Display/Print keys allow the user to retrieve sys-
tem and unit information that is useful for monitoring
unit operation, diagnosing potential problems, trouble-
shooting, and commissioning the chiller.
System and unit information, unit options, setpoints, and
scheduling can also be printed out with the use of a
printer. Both real-time and history information are avail-
able.
OPER DATA KEY
The OPER DATA key gives the user access to unit and
system operating parameters. When the OPER DATA
key is pressed, system parameters will be displayed and
remain on the display until another key is pressed. Af-
ter pressing the OPER DATA key, the various operating
data screens can be scrolled through by using the UP
and DOWN arrow keys located under the “ENTRY”
section.
“DISPLAY/PRINT” KEYS
D I S C H A R G E A I R T E M P
= 5 7 . 4 ° F
°
A M B I E N T A I R T E M P
= 8 7 . 5 ° F
00067VIP