York YR Manual page 45

FORM 160.81-O1 (1020)
ISSUE DATE 10/05/2020
Programmable
Local Motor Current Limit
Access Level Required: OPERATOR
Allows the user to specify the maximum allowed mo-
tor current (as a percentage of FLA). When the mo-
tor current reaches this value, the slide valve will not
be permitted to load further. If the motor current rises
above this value, the slide valve will unload to reduce
the current to this value.
Pulldown Demand Limit
Access Level Required: OPERATOR
Allows the user to specify the current limit value (as a
percentage of FLA) to which the chiller will be limited
during the specified pulldown limit time. This value
will override the Motor Current Limit value during this
time period. This function is used to provide energy
savings following chiller start-up.
Pulldown Demand Time
Access Level Required: OPERATOR
Allows the user to set a period of time for which the
Pulldown Demand Limit will be in effect after the
chiller starts.
Full Load Amps
Access Level Required: SERVICE
Defines the maximum amps at which the motor can
operate. This value is viewable when logged in under
the OPERATOR or VIEW access level. Service Tech-
nicians refer to OptiView Control Center Service In-
structions (Form 160.81-M1).
Voltage Range
Access Level Required: SERVICE
Allows the user to select specific line voltage range for
voltage checking. When not disabled, this line volt-
age range is used to determine a low line and high line
voltage threshold for initiating a shutdown. Service
Technicians refer to OptiView Control Center Service
Instructions (Form 160.81-M1).
JOHNSON CONTROLS
SECTION 2 - OPTIVIEW™ CONTROL CENTER
Starting Current
Access Level Required: SERVICE
Defines the maximum allowed motor starting amps.
The Solid State Starter will limit the motor starting cur-
rent to this value. Service Technicians refer to OptiV-
iew Control Center Service Instructions (Form 160.81-
M1).
Open SCR (Enabled/Disabled)
Access Level Required: SERVICE
Allows the user to enable or disable the Solid State
Starter Open SCR safety detection. This must never be
disabled unless under advisement of the Johnson Con-
trols. Service Technicians refer to OptiView Control
Center Service Instructions (Form 160.81-M1).
Shorted SCR (Enabled/Disabled)
Access Level Required: SERVICE
Allows the user to enable or disable the Solid State
Starter Shorted SCR safety detection. This must never
be disabled unless under advisement of the Johnson
Controls. Service Technicians refer to OptiView Con-
trol Center Service Instructions (Form 160.81-M1).
KWH Reset
Access Level Required: SERVICE
Allows the user to reset the cumulative Kilowatt Hours.
Service Technicians refer to OptiView Control Center
Service Instructions (Form 160.81-M1).
Navigation
Home
Access Level Required: VIEW
Causes an instant return to the HOME screen.
Ground Fault Protection
Access Level Required: ADMIN
Moves to the GROUND FAULT PROTECTION
screen allowing clearing of a "Motor – Ground Fault"
safety shutdown. Refer to description of "Motor–
Ground Fault" in this manual and reset procedure in
OptiView Control Center Service Instructions (Form
160.81-M1).
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