York YCAS0098EB, Installation Operation & Maintenance, Page: 151 / 184

151
JOHNSON CONTROLS
FORM 201.18-NM7
This message indicates the High Ambient Temperature
Cutout at the time of the fault.
This display shows the Low Ambient Cutout pro-
grammed at the time of the fault.
This display shows the Low Leaving Chilled Liquid
Cutout programmed at the time of the fault.
This message shows the programmed %FLA Motor
Current Unload at the time of the fault.
This message shows whether remote or local communi-
cations was selected at the time of the fault.
This message displays the lead/lag selection pro-
grammed at the time of the fault.
This message indicates the leaving and return chilled
liquid temperature at the time of the fault.
This message indicates the mixed water temperature
at the time of the fault. A mixed water sensor may be
present when multi-unit sequencing is utilized. If no
mixed water temperature sensor is installed, the display
will not appear.
H I G H A M B I E N T T E M P
C U T O U T = 1 3 0 . 0 ° F
L O W A M B I E N T T E M P
C U T O U T = 2 5 . 0 ° F
L E A V I N G L I Q U I D T E M P
C U T O U T = 3 6 . 0 ° F
H I G H M O T O R C U R R E N T
U N L O A D - 1 0 0 % F L A
L O C A L / R E M O T E M O D E
L O C A L
L E A D / L A G C O N T R O L
A U T O M A T I C
L C H L T = 4 4 . 1 ° F
R C H L T = 5 2 . 9 ° F
M C H L T = 4 3 . 8 ° F
S E T P O I N T = 4 4 . 0 ° F
R A N G E = + / - 2 . 0 ° F
This message displays the programmed chilled liquid
setpoint and deviation (control range) programmed at
the time of the fault.
This message indicates the outdoor Ambient Air Tem-
perature at the time of the fault.
This message indicates which system was in the lead at
the time of the fault.
This message indicates the status of both the evaporator
pump signal from the microprocessor and the evaporator
heater.
This message indicates that a remote device such as a
Remote Control Center, an ISN controller, or another
device sending a PWM signal for temperature or current
temperature or current reset is overriding control points
programmed through the keypad or default micropro-
cessor setpoints.
System Data:
Following the Common Data is a sequence of twenty
information displays which are given twice, first for
System 1, then for System 2. In each example, “#” is
used to indicate System number:
This message indicates whether the compressor on this
system was ON or OFF at the time of the fault.
A M B I E N T A I R T E M P
7 7 . 6 ° F
L E A D S Y S T E M I S
S Y S T E M N U M B E R 1
E V A P P U M P I S O N
E V A P H E A T E R I S O F F
A C T I V E R E M O T E C T R L
N O N E
S Y S # C O M P R E S S O R
I S O N
8