JOHNSON CONTROLS
48
FORM 160.84-OM1
ISSUE DATE: 9/21/2017
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
PROGRAMMABLE
Shutdown (Enabled/Disabled)
Access Level Required: OPERATOR
Allows the user to select whether the chiller will shut-
down or continue to run when an Excess Surge situa-
tion has been detected.
Count Window
Access Level Required: OPERATOR
Allows the user to define the period of time (1 to 5
minutes; default 5; default 3 in which the number of
surge events (SURGE WINDOW COUNT) are com-
pared to the maximum allowed (COUNT LIMIT), for
the purpose of detecting an excess surge situation.
Count Limit
Access Level Required: OPERATOR
Allows the user to define the maximum number of
surge events (4 to 20; default 4; default 15 that can oc-
cur within a defined period of time before an Excess
Surge situation is detected. If the SURGE WINDOW
COUNT exceeds the COUNT LIMIT, an Excess Surge
situation has occurred.
When an Excess Surge situation is detected, and the
SHUTDOWN setpoint is Enabled, the chiller will
perform a safety shutdown and display SURGE PRO-
TECTION – EXCESS SURGE.
NAVIGATION
Home
Causes an instant return to the Home Screen.
Compressor
Causes an instant return to the Compressor Screen.
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