Routine Shutdown Messages; Cycling Shutdown Messages - York YK Style H Operation Manual

SECTION 3 - DISPLAY MESSAGES
structions. The date and time of this entry is automati-
cally logged as the Date Of Last Motor Lubrication and
Time Of Last Motor Lubrication. It also resets the Op-
erating Hours Since Last Lubrication to zero. The date
this warning occurs is stored as the Date Of Last Motor
Lubrication Warning Or Fault. This warning message
will not be displayed if the Auto Lube Setpoint on the
MOTOR LUBRICATION Screen enabled.
Warning – Motor – High Winding Temperature
This warning occurs when any of the enabled Motor
Winding Temperatures exceeds the following: [High
Winding Temperature Shutdown threshold - 18°F] for
3 continuous seconds. This warning will automatically
clear when all winding temperatures decrease below
the warning threshold. The value programmed for the
above threshold is displayed as High Winding Temper-
ature Shutdown on the MOTOR SETPOINTS Screen.
It is programmed with the Winding Setup Setpoint on
that screen. This warning not occur when the Wind-
ing Temperature Protection Setpoint is set to Disabled
on the MOTOR DETAILS Screen. Also, it will not act
on any RTD input registering as an open RTD or any
individual winding temperature sensor that has been
disabled with the Temperature Disable Setpoint on the
MOTOR SETPOINTS Screen.
Warning – Motor – High Bearing Temperature
This warning occurs when either of the enabled mo-
tor bearing temperatures exceeds the programmed
High Bearing Temperature Warning for 3 continuous
seconds. This warning will automatically clear when
all bearing temperatures decrease below the warning
threshold. The value programmed for this threshold is
displayed as High Bearing Temperature Warning on
the MOTOR SETPOINTS Screen. It is programmed
with the Bearing Setup Setpoint on that screen. This
warning not occur when the Bearing Temperature Pro-
tection Setpoint is set to Disabled on the MOTOR DE-
TAILS Screen. Also, it will not act on any RTD input
registering as an open RTD.
Warning – Motor – Bearing Vibration Baseline
Not Set
Displayed until both the Shaft End and Opposite Shaft
End motor bearing vibration baseline values are entered
on the MOTOR DETAILS Screen. This can be done
either manually with the Manual Baseline Setpoint or
automatically with the AUTO BASELINE key on that
screen. While this message is displayed, the vibration
baseline values are set to X.X.
170
Warning – Motor – High Bearing Vibration
Either the Shaft End or Opposite Shaft End motor bear-
ing vibration has exceeded the value programmed for the
High Vibration Warning Setpoint for the programmed
number of Delay seconds. The warning will automati-
cally clear when both vibration values decrease below the
warning threshold. This warning does not occur when the
Motor Vibration Protection Setpoint is set to Disabled on
the MOTOR DETAILS Screen or while the WARNING
– MOTOR – BEARING VIBRATION BASELINE NOT
SET warning is displayed.

ROUTINE SHUTDOWN MESSAGES

Remote Stop
A shutdown command has been received from a re-
mote device. Remote stop commands can be received
in Digital Remote mode via I/O Board TB4-7/8 or in
ISN Remote mode via the E-Link Gateway serial com-
munications. If the chiller is running when this occurs,
the Pre-rotation Vanes are driven fully closed prior to
shutting down the chiller.
Local Stop
A local shutdown command has been received by plac-
ing the Keypad Start-Run-Stop/Reset switch in the
Stop (O) position.
Place Compressor Switch In Run Position
The Control Center is in either Digital or ISN Remote
mode. The Operator is requested to place the Compres-
sor Switch in the RUN position. The Control Center
will not accept a Remote start/stop command unless
the switch is in the RUN position.

CYCLING SHUTDOWN MESSAGES

Multiunit Cycling – Contacts Open
The Multiunit Cycling contacts connected to I/O Board
TB4-9, have opened to initiate a cycling shutdown. If
the chiller is running when this occurs, the Pre-rotation
Vanes are driven fully closed prior to shutting down the
chiller. The chiller will automatically restart when the
contacts close.
System Cycling – Contacts Open
The System Cycling contacts connected to I/O Board
TB4-13, have opened to initiate a cycling shutdown. If
the chiller is running when this occurs, the Pre-rotation
Vanes are driven fully closed prior to shutting down the
chiller. The chiller will automatically restart when the
contacts close.
FORM 160.76-O2
issue date: 6/15/2015
JOHNsON CONtROLs