Johnson Controls YORK YK MaxE, Operation Manual

Page: 124 / 184

JOHNSON CONTROLS
124
FORM 160.54-O1
operatioNs sCreeN
oVerVieW
This screen allows definition of general parameters hav -
ing to do with the operation of the chiller.
dispLaY oNLY
Chiller Run Time
(Flash memory Card version C.MLM.01.04 or later)
Displays the amount of time the chiller has been running
since the last start signal was received. Value is reset to
zero when the chiller enters Coastdown. It remains at
zero while shutdown and during “System Prelube”.
prograMMaBLe
Control Source
Access Level Required : OPERATOR
Define whether the control of the chiller will be Local,
Digital Remote, Analog Remote, Modem Remote or
ISN Remote.
number of Starts
Access Level Required : ADMIN
Displays the number of the starts the chiller has initiated.
This may be reprogrammed to a desired value, (generally
when this value has been reset due to a Microboard re-
placement), but should not be done so arbitrarily.
Operating Hours
Access Level Required : ADMIN
Displays the total accumulated run time of the chiller.
This may be reprogrammed to a desired value (generally
when this value has been reset due to a Microboard re-
placement), but should not be done so arbitrarily.
Hot gas Control (Enabled/Disabled)
Access level required:
SERVICE
Enables and disables the optional Hot gas Bypass Con-
trol feature.
Refrigerant Level Control (Enabled / Disabled)
Access Level Required:
SERVIC
E
Enables and Disables the Refrigerant Level Control
Feature.
Flow Switch
(Style F and later chillers equipped with Flash Memory
Card version C.MLM.01.08.xxx and later)
Access Level Required: SERVICE
Used to enter the applicable Flow Switch type. Style F
and later chillers could be equipped with either Paddle-
type or Thermal-Type Flow sensors. The actual type
installed must be entered to allow the program to read
the correct input. Key is only displayed if Style F chiller
is selected with the Chiller Style/Compressor Setpoint
below. The Service Technicians refer to YORK Service
Manual 160.54-M1.
LD09578a
fig. 33
optiView Control Center