York YLUA0248 Series Installation Operation & Maintenance page 108

SECTION 7 – UNIT CONTROLS
L O W A M B I E N T
C U T O U T
Displays the programmed Low Ambient Cutout.
F A N C O N T R O L
P R E S S U R E = X X X
Displays the programmed Fan On Pressure.
F A N D I F F E R E N T I A L O F F
P R E S S U R E = P S I G
Displays the programmed Fan Off Differential.
S Y S 1 T R I P
= X . X
Displays the programmed High Current Trip Voltage.
S Y S 2 T R I P
= X . X
Displays the programmed High Current Trip Voltage.
D I S C H A R G E
= X X X . X
Displays the Discharge Air Temp if Discharge Air
Temp Control is selected.
S E T P O I N T
R A N G E
Displays the programmed Setpoint and Range, if the
unit is programmed for DAT Control Mode.
S E T P O I N T
R A N G E
Displays the programmed Setpoint and Range, if the
unit is programmed for Discharge Air Control.
S Y S 1 SP =
R A N G E = + / - X X X
S Y S 2 SP =
R A N G E = + / - X X X
Displays the SP Setpoint and Control Range if SP Con-
trol is selected.
108
T E M P
= X X X . X ° F
O N
P S I G
V O L T S
V O L T S
V O L T S
V O L T S
A I R T E M P
° F
= X X X . X ° F
= + / - ° F
= X X X . X ° F
= + X X . X ° F
X X X X P S I G
P S I G
X X X X P S I G
P S I G
A M B I E N T
= X X X . X
Displays the Ambient Temp. at the time of the fault.
L E A D S Y S T E M
S Y S T E M
Displays which system is in the lead at the time of the
fault.
E V A P P U M P
E V A P H E A T E R
Displays status of the Evaporator Pump and Heater
(not installed on a YLUA) at the time of the fault.
A C T I V E R E M O T E
X X X X
Displays whether Remote Control was active when the
fault occurred.
U N I T A C T U A L
= X X X . X
This is only displayed when the Current Feedback op-
tion is one per unit.
S Y S X C O M P
1 = X X X 2 = X X X
Displays which Compressors were running in the sys-
tem when the fault occurred.
S Y S X
X X - X X - X X - X X
Displays the system run time when the fault occurred.
S Y S X S P
D P =
Displays the system Suction and Discharge Pressure of
the time of the fault.
FORM 150.73-NM2
ISSUE DATE: 09/07/2020
A I R T E M P
° F
I S
N U M B E R X
I S X X X
I S X X X
C T R L
A M P S
A M P S
S T A T U S
3 = X X X
R U N T I M E
D - H - M - S
= X X X X P S I G
X X X X P S I G
JOHNSON CONTROLS