Display/Print Keys; Oper Data Key - York YCAL Series Installation Operation & Maintenance

FORM 150.66-NM3
ISSUE DATE: 09/25/2020
The DISPLAY/PRINT keys allow the user to retrieve
system and unit information that is useful for monitor-
ing chiller operation, diagnosing potential problems,
troubleshooting, 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
available.

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. After
pressing the OPER DATA key, the various operating
data screens can be scrolled through by using the ↑ (UP)
and ↓ (DOWN) arrow keys or the ENTER/ADV key
located under the "ENTRY" section.
System 2 information will only be dis-
played for 2 system units.
JOHNSON CONTROLS

DISPLAY/PRINT KEYS

With the "UNIT TYPE" set as a liquid chiller (via no
jumper on J11-7 to J11-12), the following list of operat-
ing data screens are viewable under the Oper Data key
in the order that they are displayed. The ↓ (DOWN)
arrow key scrolls through the displays in the order they
appear below:
L C H L T
R C H L T
This display shows chilled leaving and return liquid
temperatures. The minimum limit on the display for
these parameters are 9.2°F (-12.7°C). The maximum
limit on the display is 140°F (60°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).
SECTION 7 - UNIT CONTROLS
The chiller MUST be set to be a liquid
chiller via no jumper to J11­7 to J11­12
of the I/O board. DO NOT operate the
chiller if not properly set up.
= 4 6 . 2 ° F
= 5 7 . 4 ° F
A M B I E N T A I R
= 8 7 . 5 ° F
00067VIP
7
°
T E M P
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