York YLUA0248 Series Installation Operation & Maintenance page 51

FORM 150.73-NM2
ISSUE DATE: 09/07/2020
DESIGNATION
ACC ACCESSORY
- ADIS DISPLAY BOARD
- AMB MICRO BOARD
- BAMB AMBIENT
- BDAT DISCHARGE AIR TEMPERATURE
- BDP DISCHARGE PRESSURE
- BECT ENTRING CHILLED TEMPERATURE
LEAVING CHILLED TEMPERATURE
- BLCT
NOT FITTED ON REMOTE EVAP UNITS
-BMP MOTOR PROTECTOR COMPRESSOR
- BSP SUCTION PRESSURE
- CPF CAPACITOR POWER FACTOR
- ECH CRANKCASE HEATER
- EEH EVAPORATOR HEATER
- EHRH HEAT RECOVERY HEATER
- EPH PUMP 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
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 (INCLUD-
- KM
ING COIL SUPPRESSOR)
- KCR CONTROL RELAY
PUMP CONTACTOR PART
- KP
(INCLUDING COIL SUPPRESSOR)
- KT RELAY TIMER
- M COMPRESSOR MOTOR
JOHNSON CONTROLS
ELECTRICAL NOTES AND LEGEND
DESCRIPTION
SECTION 5 – TECHNICAL DATA
DESIGNATION
- MF MOTOR FAN
- MP MOTOR PUMP
NU NOT USED
PE PROTECTIVE EARTH
PULSE WIDTH MODULATION TEMP RE-
PWM
SET 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
- SKP KEYPAD
- SOA SWITCH OFF AUTO
- SZT ZONE THERMOSTAT
- T TRANSFORMER
- TC TRANSFORMER CURRENT
- UBR BRIGDE RECFIFIER
- WHT WHITE
PLUGS BETWEEN POW./MICRO.
- XP
SECTION
- XTBC TERMINAL BLOCK CUSTOMER
- XTBF TERMINAL BLOCK FACTORY
- YESV EVAPORATOR SOLENOID VALVE
HOT GAS SOLENOID VALVE (INCLUDING
- YHGSV
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 COM-
PONENTS OR SETS OF COMPONENTS
DESCRIPTION
035-21966-101 REVG
51
5 5