York YZ MODEL A - FIGURE 22 - Setup Screen

JOHNSON CONTROLS
62
FORM 161.01-OM1
ISSUE DATE: 6/8/2018
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
FIGURE 22 - SETUP SCREEN
LD26743
DISPLAY ONLY FIELDS
DISPLAY ONLY FIELDS
FIELD/LED NAME DESCRIPTION
Liquid Type Displays either Water or Brine as congured by the factory.
Isolation Valves
Displays whether optional Isolation Valves control has been Enabled or Dis-
abled.
Line Voltage Displays the congured supply line voltage.
Line Frequency Displays the congured supply line frequency
Refrigerant Type Shows refrigerant selected at factory level. For YZ chillers it is always R-1233zd.
Chilled Liquid Pump Operation
Displays what mode of operation the chilled liquid pump contacts have been
congured to operate. Standard or Enhanced. Enhanced = Pump contacts open
at the completion of system coastdown except when the chiller shuts down
on Chilled Liquid - Low Temperature, Multi Unit Cycling - Contacts Open and
System Cycling - Contacts Open. Standard = Pump contacts open after all shut-
downs except Leaving Chilled Liquid - Low Temperature.
Head Pressure Control
Displays Enabled or Disabled to indicate if the optional Head Pressure control
feature is being used.
This screen is the top level of the general configura-
tion parameters. It allows programming of the time and
date, along with specifications as to how the time will
be displayed (12 or 24 hour format). This screen also
serves as a gateway to more subscreens for defining
general system parameters.