York YK-EP, Operation And Maintenance Manual

Page: 110 / 268

Table 107: Motor rated voltage (V)*
Model in HP 2300 V 3300 V 4160 V
900 202 A 141 A 112 A
1000 224 A 156 A 125 A
1250 280 A 195 A 155 A
1500 336 A 235 A 186 A
1750 392 A 274 A 217 A
2000 438 A 312 A 248 A
2250 494 A 345 A 274 A
2500 561 A 391 A 310 A
Note: *Max. Job/Rated 100% FLA (A) (Programmed Drive Current)
Table 108: Programmable
Button Access level Description
Local Motor
Current Limit Operator
Allows the user to specify the maximum allowed motor current (as
a percentage of FLA). When the motor current reaches this value,
the Pre-Rotation Vanes will not be permitted to open further. If the
motor current rises above this value, the Pre-Rotation Vanes will
close to reduce the current to this value.
Pulldown
Demand
Limit
Operator
Allows the user to specify the current limit value (as 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
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
Service
Defines the maximum amps at which the motor can operate this
value is viewable when logged in at VIEW or OPERATOR level.
The maximum programmable value of this setpoint is equal to
Programmed Drive Current value received from the MVVSD.
KWH Reset Service Allows the user to reset the cumulative Kilowatt hours to zero.
Table 109: Navigation
Button Access level Description
Home View Returns user to HOME Screen.
ACC Details Service
Moves to a subscreen which provides more information about the
Adaptive Capacity Control.
Motor Lube –
Moves to a subscreen allowing operator acknowledgement of the
compressor motor lubrication and viewing of the compressor motor
lubrication parameters.
Motor Details Service
Moves to a subscreen that provides information and setpoints
pertinent to the Motor Monitoring feature.
YK-EP Style B Centrifugal Chiller 110