York YCAS 0138EB, Installation Operation & Maintenance

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152
JOHNSON CONTROLS
This message shows the Run Time logged on the system
since the last compressor start, in Days (D), Hours (H),
Minutes (M), and Seconds (S).
This message indicates the compressor motor current in
as a percentage of Full Load Amps.
This message shows the system differential oil pressure
at the time of the fault.
This message indicates the system oil line temperature
at the time of the fault.
These messages indicate compressor suction gas satura-
tion temperature and superheat at the time of the fault.
This message indicate compressor discharge gas satura-
tion temperature and superheat at the time of the fault.
S Y S # M O T O R C U R R E N T
7 8 % F L A
S Y S # O I L = 1 5 4 . 8 ° F
S T = 9 . 0 D T = 1 2 3 . 7 ° F
S Y S # O I L = 6 5 P S I G
S P = 6 2 D P = 2 7 1 P S I G
S # S A T S U C T = 3 4 . 7 ° F
S U C T S H E A T = - 6 . 5 ° F
S # S A T D S C H = 1 2 9 ° F
D S C H S H E A T < - 8 . 4 ° F
S Y S # S V S T E P = 4 0
S Y S # C O O L E R I N L E T
R E F R I G T E M P = 2 8 . 2 ° F
S Y S # L L S V I S O N
E C O N T X V S O L I S O F F
S Y S # F A N S T A G E 3
C O M P H E A T E R I S O F F
S Y S # R U N T I M E
1 - 3 - 4 8 - 1 7 D - H - M - S
Micro Panel Contents
This message indicates the compressor slide valve po-
sition at the time of the fault. 0 steps equals minimum
capacity and 75 steps equals fully loaded.
This message, which is only displayed if the unit is in
R-407c mode, indicates the refrigerant temperature at
the inlet of the cooler.
This message indicates the Liquid Line Solenoid Valve
and the economizer Thermal Expansion Valve Solenoid
Valve position: ON = Energized / OFF = De-Energized
(OFF) at the time of the fault.
This message indicates the stage of condenser fan op-
eration on the system and the status of the compressor
heater at the time of the fault. See Section 8.4 for details
of fan staging.