York YLAA0195HE, Manual, Page: 152 / 206

JOHNSON CONTROLS
152
FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
SECTION 7 – UNIT CONTROLS
E V A P O R A T O R H E A T E R
S T A T U S I S X X X
Displays status of the Evaporator Heater at the time of
the fault.
E V A P O R A T O R W A T E R
P U M P S T A T U S X X X X
Displays status of Evaporator Water Pump at the time
of fault. Status may read on, off or trip.
E V A P P U M P T O T A L R U N
H O
U R S = X X X X
Evap Pump total run hours at the time of fault.
A C T I V E R E M O T E C T R L
X X X X
Displays whether Remote Chiller Control was active
when the fault occurred.
U N I T A C T U A L A M P S
= X X X . X A M P S
This is only displayed when the Current Feedback
Option is one per unit.
S Y S X C O M P S T A T U S
1 = X X X 2 = X X X 3 = X X X
Displays which Compressors were running in the system
when the fault occurred.
S Y S X R U N T I M E
X X - X X - X X - X X D - H - M - S
Displays the system run time when the fault occurred.
S Y S X S P = X X X X P S I G
D P = X X X X P S I G
Displays the system Suction and Discharge Pressure of
the time of the fault.
S Y S X S U C T = X X X . X ° F
S A T S U C T = X X X . X ° F
Displays the System Suction Temp and Saturated
Suction Temp when an EEV is installed.
S Y S X L L S V I S X X X
H O T G A S S O L I S X X X
Displays whether the System Liquid Line Solenoid
or Hot Gas Solenoid was energized at the time of the
fault.
S Y S X F A N S T A G E X X X
Displays the number of Fan Stages in the system active
at the time of the fault.
S Y S X A C T U A L A M P S
= X X X . X A
M P S
Displays the system amperage (calculated approximately)
at the time of the fawult.
For this message to appear, CURRENT FEEDBACK
ONE PER SYSTEM must be programmed under the
options key. If the microprocessor board is programmed
as one CURRENT FEEDBACK ONE PER UNIT under
the program key, the display will be the first display
prior to the SYS 1 info. If the microprocessor board is
programmed for CURRENT FEEDBACK NONE, no
current display will appear.
Displays for System 1 starting with SYS X NUMBER
OF COMPS RUNNING X through SYS X AMPS =
XXX.X VOLTS = X.X will be displayed first, followed
by displays for System 2.
Further explanation of the above displays is covered
under the STATUS, OPER DATA, COOLING
SETPOINTS, PROGRAM, and OPTIONS keys.
Software Version
The software version may be viewed by first pressing
the HISTORY key and then repeatedly pressing the ↓
(DOWN) arrow key until you scroll past the first history
buffer choice.
D I S P L A Y S A F E T Y S H U T -
D O W N N O . 1 ( 1 T O 6 )
After the ↓ (DOWN) arrow key is pressed again, the
software version will appear.
C O N T R O L C. M X X. Z Z. Y Y
I / O C. M X X. 1 8. Y Y