York OPTIVIEW Operation Manual page 78

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
Clock (Enabled / Disabled)
Access Level Required: OPERATOR
Allows the user to enable or disable the real-time clock
in order to conserve battery life. The clock will be dis-
abled during manufacturing and must be enabled at
system commissioning. In addition, when preparing
for prolonged shutdown the clock should once again
be disabled.
12/24 Hr
Access Level Required: OPERATOR
Allows the user to specify the format in which the time
will be presented. This setpoint affects the display of
the time on the chiller panel and on all reports gen-
erated. The 12-hour time format will include the AM
and PM modifiers and show the range of time between
1:00 and 12:59, while the 24-Hour time format will
show the range of time between 0:00 and 23:59.
Change Settings
Access Level Required: OPERATOR or higher
Used to enter the following setpoints. Pressing this key
places a green selection box around the first changeable
setpoint. The access level determines which setpoints
can be changed. Use the ▲ and ▼ keys to place the
selection box around the desired setpoint. With the
setpoint selected, press the ENTER " " key. A dialog
box appears with the range of settings.
Chilled Liquid Pump Operation
Access Level Required: SERVICE
Allows a Service Technician to select chilled liquid
pump control contacts (I/O Board TB2-44/45) opera-
tion as either Standard or Enhanced. Service Techni-
cians refer to YORK YMC
160.78-M2).
Line Voltage
Access level Required: SERVICE
Allows a Service Technician to program the applicable
supply line voltage
Line Frequency
Access level Required: SERVICE
Allows as ervice technician to program the line fre-
quency to 50 or 60hZ.
Power Failure Restart
Access Level Required: OPERATOR
Allows the user to select Manual or Automatic restart
after power failure.
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Service Manual (Form
2
Head Pressure Control
Access Level Required: SERVICE
Allows the Service Technician to enable or disable the
Head Pressure Control feature. Service Technicians re-
fer to YORK YMC Service Manual (Form 160.78-M2).
2
Hot Gas Control (Enabled/Disabled)
Access level required: SERVICE
Enables and disables the optional Hot gas Bypass Con-
trol feature.
Flow Switch
Access Level Required: SERVICE
Used to enter the applicable Flow Switch type. YMC
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 cor-
rect input. Service Technicians refer to YORK YMC
Service Manual (Form 160.78-M2).
NAVIGATION
Home
Causes an instant return to the Home Screen.
Schedule
Moves to the subscreen allowing definition of the
chiller operation schedule.
User
Moves to the subscreen allowing configuration of user
preferences.
Comms
Moves to the subscreen allowing configuration of sys-
tem communications.
Printer
Moves to the subscreen allowing configuration and
control of printer functions.
Sales Order
Moves to the subscreen displaying the Sales Order in-
formation for the chiller system.
Operations
Moves to the subscreen displaying operating param-
eters of the chiller system.
Diagnostics
Access Level Required: SERVICE
Moves to the subscreen allowing limited diagnostic ca-
pability while operating. Service Technicians refer to
YORK YMC Service Manual (Form 160.78-M2).
2
FORM 160.78-O2
ISSUE DATE: 5/22/2017
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2
JOHNSON CONTROLS