FORM 160.60-O2 (1004)
11
YORK INTERNATIONAL
Sub-screens may also be available for some system
components, providing additional data access. Screens
are selected by selecting the appropriate tabs on the sides
of the display. Press the soft button corresponding to a
particular screen tab.
INTERACTIVE SCREEN FEATURES
Various aspects of chiller operation may be adjusted by
the operator within the appropriate screen. Function keys
(
F1 -F16 and K1 – K16
) allow the operator to select
a tab appropriate to the adjustment he wishes to make.
Some interactive controls are depicted graphically while
others, such as setpoints, appear as entry fi elds in which
the operator may enter values directly.
The operator may move between entry fi elds using the
tab keys on the keypad,
!
and
"
. When an entry fi eld
is highlighted, pressing any key on the keypad opens
a window on the display depicting the keypad itself.
The operator may then enter a value on the keypad by
pressing the return key (
#
). An entry may be voided
by pressing the ESC key.
The chiller Control System has four
access levels: VIEW, OPERATOR,
SERVICE and SUPER USER. This
instruction is intended only as an
operator manual. As such, depicted
here are the system parameters
available at the VIEW and OPERATOR
levels of access. Additional parameters
are accessible at the service level
under SERVICE and SUPER USER
authorization, which require user
login. See the service manual for
login instruction and details relating
to system service.
System adjustments should be
performed only by a quali
Þ
ed operator.
Read all instructions carefully before
making adjustments
OPERATOR LOGIN
In order to gain access to operator authorized features, it
is necessary to log into the system. On the home screen
is the
F2 LOGIN
tab. Selecting this tab brings up a
display depicting the control panel keypad. Enter the
user access code and press the return key on the keypad.
The System Status display at the top of the screen shows
the current login access level.
When the chiller system is fi rst powered on, the default
display is the Home Screen. The primary values that
must be monitored and controlled are shown on this
screen. The Home Screen display depicts a visual
representation of the chiller itself.
FIG. 4 –
MAIN SCREEN
LD09906
LD09879
