Figure 7: OptiView Control Center
Table 5: OptiView
™
Control Center buttons
Button Description
The decimal button provides accurate entry of setpoint values.
A ± button has also been provided to allow entry of negative values and AM/
PM selection during time entry.
In order to accept changes made to the chiller setpoints, the check button is
provided as a universal enter button or accept symbol.
In order to reject entry of a setpoint or dismiss an entry form, the X button is
provided as a universal cancel symbol.
Cursor arrow buttons are provided to allow movement on screens that contain
a large amount of entry data. In addition, these buttons can be used to scroll
through history and event logs.
The graphic display also allows numerical information to be represented in both imperial
(temperatures in °F and pressures in psig) and metric (temperatures in °C and pressures in kPa)
mode. It also has the ability to display many languages.
The control center continually monitors the system operation and records the cause of any
shutdowns (safety, cycling, or normal). This information is recorded in memory and is preserved
even through a power failure condition. The user can recall it for viewing at any time. During
operation, the user is continually advised of the operating conditions by various status and warning
messages. In addition, it can be configured to notify the user of certain conditions through alarms.
A complete listing of shutdown, status, and warning messages is attached in Display messages.
The control center includes capabilities for remote control and communications. Common
networking protocol through the building automation system (BAS) allows increased remote
control of the chiller and 24-hour performance monitoring by a remote site. An optional circuit
15
YMC
2
Mod B with OptiView Control Center
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