York YLAA0285SE Manual page 151

FORM 150.72-NM3 (1020)
ISSUE DATE 10/05/2020
C O N T R O L
L E A V I N G
Displays the type of chilled liquid control; Leaving or
Return.
L E A D / L A G
X X X X X X X X
Displays the type of lead/lag control; Manual System 1,
Manual System 2 or Automatic. This is only selectable
on 2-system chillers.
F A N C O N T R O L
D I S C H A R G E
Displays the type of fan control; Discharge Pressure or
Ambient and Discharge Pressure.
M A N U A L O V E R R I D E
X X X X X X X X X
Displays whether Manual Override was Enabled or
Disabled.
C U R R E N T
X X X X X X X X X X X X X X X X
Displays type of Current Feedback utilized.
S O F T
X X X X X X X
Displays whether the optional European Soft Start was
installed and selected.
D I S C H A R G E
C U T O U T =
Displays the programmed Discharge Pressure Cutout.
S U C T I O N P R E S S U R E
C U T O U T =
Displays the programmed Suction Pressure Cutout.
L O W A M B I E N T
C U T O U T =
Displays the programmed Low Ambient Cutout.
L E A V I N G L I Q U I D
C U T O U T =
Displays the Leaving Liquid Temp. Cutout
programmed.
JOHNSON CONTROLS
M O D E
L I Q U I D
C O N T R O L
P R E S S U R E
M O D E
F E E D B A C K
S T A R T
P R E S S U R E
X X X X P S I G
X X X X P S I G
T E M P
X X X . X ° F
T E M P
X X X . X ° F
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.
Y O R K
K I T P U M P S
Indicates the Pump Control option is selected.
L C H L T =
R C H L T =
Displays the Leaving and Return chilled Liquid
Temperature at the time of the fault.
S E T P O I N T
R A N G E
Displays the programmed Setpoint and Range, if
the chiller is programmed for leaving chilled liquid
control.
S E T P O I N T
R A N G E
Displays the programmed Setpoint and Range, if the
chiller is programmed for return chilled liquid control.
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.
SECTION 7 – UNIT CONTROLS
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
H Y D R O
= X
X X X . X ° F
X X X . X ° F
= X X X . X ° F
= + / - ° F
= X X X . X ° F
= + X X . X ° F
A I R T E M P
° F
I S
N U M B E R X
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