York YK - Page 5

JOHNSON CONTROLS
5
FORM 160.76-PW5
ISSUE DATE: 09/06/2019
L1
Inductor 4 A, 9 mH (460 VAC) or 8 A, 3 mH
(230 VAC)
LWT Low Water Temperature (Provided by RT3)
MOV Metal Oxide Varistor
OL Motor Starter Overloads
OP
Low Oil Pressure (Provided by Two Trans-
ducers)
OVA Cond. Level Control Actuator
PRV Pre-Rotation Vane Motor
Remote Current Limit Setpoint (PWM) See
160.73-PW4
RES Resistor
RT1-RT9 Resistance Temperature Sensing Element
SUPR Transient Suppressor
TB1, TB3,
TB5
Terminal Block, Factory Wiring -
TB2, TB4 Terminal Block, Field Connection -
TB6 Terminal Block, Field (Bottom), Factory (Top)
VGD Variable Geometry Diffuser
VMP Vane Motor Potentiometer
VMS Vane Motor Switch
VS Variable Speed Oil Pump Drive
Field Wiring
Factory Wiring
Circuit Board or Enclosure Boundary
Jack (J1, J2, ...)
Plug (P1, P2, ...)
Wire Entrance Hole in Control Panel
Option (When Supplied) By YORK
Mechanical Linkage
Shield Cable
Metal Oxide Varistor
Terminal Located in Starter (TB1 or 1TB)
LEGEND
1HTR 1 Phase 1000 W Oil Heater
1LEP
Low Evaporator Pressure (Provided by Evap
Pressure Transducer)
1OL 2T Protector (346 V and 600 V Units Only)
1T Class 2 Power Supply Transformer
3M Condenser Pump Motor Starter
1R
Compressor Motor / 1HTR Heater Control
Relay (K18 - Located on I/O Board)
3R VS Oil Pump Drive Run Relay
1SOL Oil Return Solenoid Valve
1SW Safety Stop Switch
CM Solid State Overload/Power Fault Contacts
FDTS Faulty Discharge Temp. Sensor
FLA Full Load Amps (Compressor Motor)
FU Fuse
PGD
Proximity Gap Distance (Probe Located in
Compressor)
HDT
Refrid. High Discharge Temp. (Provided By
RT2)
HOP
High Oil Pressure (Provided by Two Trans-
ducers)
HOT High Oil Temperature (Provided by RT3)
HPCO High Pressure Cutout
K13, K14,
K17
Relays Mounted on I/O Board See Opera-
tion Manual
LCWT
Leaving Chilled Water Temp (PWM) See
160.76-PW4
LEP
Low Evaporator Pressure (Provided by Evap
Press Transducer)
LLS Liquid Level Sensor (Probe)
LOT
Low Oil Temperature (Provided by RT3 and
Condenser Press Transducer)
LOTD
Low Oil Temp. Differential (Provided by RT3
and Condenser Press Transducer)
HGBP Hot Gas Bypass