York YVAA Installation Operation & Maintenance page 133

Form 201.47-ICOM1
Issue date: 17/11/2022
Precharge signal status and VSD cooling
status
VSD PRECHARGE SIGNAL = XXX
This display provides the state of the precharge signal,
where XXX is either ON or OFF at the time of the
fault.
Compressor #1 and #2, 105% FLA motor
overload current setting
VSD COMP 1 MOTOR OVERLOAD = XXX AMPS
COMP 2 MOTOR OVERLOAD = XXX AMPS
This message displays the setting of the VSD's 100%
FLA potentiometer for Compressor #1 and #2 at the
time of the fault.
System data
System #1 pressures
SYS 1 PRESSURES
This message displays the measured system oil and
discharge pressures at the time of the fault.
SYS 1 PRESSURES
CONDENSER LIQUID = XXXX PSIG
This message displays the measured system suction
and condenser liquid line pressure at the time of the
fault.
System # 1 temperatures
SYS 1 TEMPERATURES
This message displays the measured system oil and
eductor temperatures at the time of the fault.
SYS 1 CONDENSER LIQUID TEMP = XXX.X °F
SUBCOOLING = XXX.X
This message displays the condenser liquid, liquid line
subcooling and saturated discharge temperatures at the
time of the fault.
SYS 1 DISCHARGE
SUPERHEAT = XXX.X
This message displays the system discharge, discharge
superheat and saturated discharge temperatures at the
time of the fault.
JOHNSON CONTROLS
OIL = XXXX PSIG
DISCHARGE = XXXX PSIG
SUCTION = XXXX PSIG
OIL = XXX.X °F
EDUCTOR = XXX.X °F
SAT TEMP = XXX.X °F
TEMP = XXX.X °F
SAT TEMP = XXX.X °F
Compressor speed and heater status
SYS 1 COMPRESSOR
This message indicates the compressor speed in % and
the heater status at the time of the fault.
System #1 motor temperatures
SYS 1 MOTOR TEMPS
T2 = XXX.X
This message displays the System 1 motor thermistor
temperatures at the time of the fault.
Economizer valve
SYS 1 ECONOMIZER VALVE = XXX.X %
This message displays economizer valve position in %
at the time of the fault.
Condenser subcooling and condenser drain
valve position
SYS 1 CONDENSER SUBCOOLING = XXX.X °F
CONDENSER DRAIN VALVE = XXX.X %
This message displays the condenser subcooling and
the Condenser Drain Valve position at the time of the
fault.
Condenser fans
SYS 1 CONDENSER FANS ON = X
SYS 1 CONDENSER FANS ON = X
VSD FAN SPEED XX.X V = XXX %
This message displays the number of condenser fans
ON or the optional VSD fan control speed signal to the
inverter and the % of full speed.
VI step solenoid
SYS 1 VI STEP SOLENOID 1 = XXX
VI STEP SOLENOID 2 = XXX
This message displays whether the VI solenoids were
ON or OFF at the time of the fault.
SECTION 8 - MICROPANEL
SPEED = XXX.X %
HEATER = XXX.X °F
T1 = XXX.X °F
T3 = XXX.X °F
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