York YLAA Series Installation Operation & Maintenance page 57

Air-cooled scroll chillers with brazed plate heat exchanger style b (60 hz) 4-10 fan, 55 - 230 ton, 195 - 700 kw
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FORM 150.72-ICOM6
ISSUE DATE: 12/29/2017
DESIGNATION
ACC
ACCESSORY
- ADIS
DISPLAY BOARD
- AMB
MICRO BOARD
- AUX
AUXILIARY SWITCH
- BAMB
AMBIENT
- BDAT
DISCHARGE AIR TEMPERATURE
- BDP
DISCHARGE PRESSURE
- BECT
ENTERING CHILLED TEMPERATURE
LEAVING CHILLED TEMPERATURE
- BLCT
NOT FITTED ON REMOTE EVAP UNITS
-BMP
MOTOR PROTECTOR COMPRESSOR
- BSP
SUCTION PRESSURE
BST
SUCTION TEMPERATURE
- CPF
CAPACITOR POWER FACTOR
- ECH
CRANKCASE HEATER
- EEH
EVAPORATOR HEATER
- EEV
ELECTRONIC EXPANSION VALVE
- EEVC
ELEC. EXPAN. VALVE CONTROLLER
- EHRH
HEAT RECOVERY HEATER
- EPH
PUMP HEATER
-ETXVH
EXPANSION VALVE HEATER
- ETH
TRACE HEATER
- EXT
EXTERNAL TO CONTROL PANEL
- F
FUSE
- FHP
HIGH PRESSURE CUTOUT
- FSC
FAN SPEED CONTROLLER
FAN SPEED INHIBIT TWO SPEED
- FSI
FAN OPTION ONLY
GND
GROUND
G/Y
GREEN / YELLOW
J
PLUG BOARD CONNECTOR
- K
CIRCUIT BOARD RELAY
ELECTRONIC EXPANSION VALVE
- KEEV
CONTROL RELAY
FAN CONTACTOR LINE
- KF
(INCLUDING COIL SUPPRESSOR)
FAN CONTACTOR HIGH SPEED
- KFH
(INCLUDING COIL SUPPRESSOR)
FAN CONTACTOR LOW SPEED
- KFL
(INCLUDING COIL SUPPRESSOR)
- KFOL
FAN OVERLOAD
- KFS
RELAY FAN SPEED
- KH
HEATER RELAY
COMPRESSOR CONTACTOR
- KM
(INCLUDING COIL SUPPRESSOR)
- KCR
CONTROL RELAY
PUMP CONTACTOR PART
- KP
(INCLUDING COIL SUPPRESSOR)
JOHNSON CONTROLS
ELECTRICAL NOTES AND LEGEND
DESCRIPTION
DESIGNATION
- KT
RELAY TIMER
- M
COMPRESSOR MOTOR
- MF
MOTOR FAN
- MP
MOTOR PUMP
NU
NOT USED
PE
PROTECTIVE EARTH
PULSE WIDTH MODULATION TEMP
PWM
RESET or REMOTE UNLOAD 2nd STEP
- QCB
CIRCUIT BREAKER
MANUAL MOTOR STARTER
- QMMSC
COMPRESSOR
- QMMSP
MANUAL MOTOR STARTER PUMP
- QSD
SWITCH DISCONNECT
R
RESISTOR
RED
RED
RP
RUN PERMISSIVE
RU
REMOTE UNLOAD 1st STEP
SCH
THERMOSTAT CRANKCASE HEATER
SCR
SCREEN
- SF
FLOW SWITCH
- SFE
FLOW SWITCH ELECTRONIC
- SKP
KEYPAD
- SOA
SWITCH OFF AUTO
- SZT
ZONE THERMOSTAT
- T
TRANSFORMER
- TC
TRANSFORMER CURRENT
TXV
THERMAL EXPANSION VALVE
- UBR
BRIDGE RECTIFIER
- WHT
WHITE
- XP
PLUGS BETWEEN POW./MICRO. SECTION
- XTBC
TERMINAL BLOCK CUSTOMER
- XTBF
TERMINAL BLOCK FACTORY
- XTBM
TERMINAL BLOCK MOTOR FAN TRIP
- YESV
EVAPORATOR SOLENOID VALVE
HOT GAS SOLENOID VALVE
- YHGSV
(INCLUDING COIL SUPPRESSOR)
LIQUID LINE SOLENOID VALVE FIELD
- YLLSV
MOUNTED AND WIRED ON REMOTE
EVAP. UNITS
- ZCPR
COMPRESSOR
NB
NOTE WELL {SEE NOTE}
WIRING AND ITEMS SHOWN THUS ARE
STANDARD YORK ACCESSORIES
WIRING AND ITEMS SHOWN THUS ARE
NOT SUPPLIED BY YORK
ITEMS THUS ENCLOSED FORM A COMPO-
NENTS OR SETS OF COMPONENTS
SECTION 5 – TECHNICAL DATA
DESCRIPTION
035-21966-101 REV V
57
5 5

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