York YST - Page 5

JOHNSON CONTROLS
5
FORM 160.67-PW7
ISSUE DATE: 2/28/2019
LEGEND
LABEL DESCRIPTION
CS Start/Stop Control Switch
DS Disconnect Switch
FCV
Solenoid Or Electrically Actuated Ball
Valve
FLA Full Load Amps
FU Fuse
HGBP Hot Gas Bypass Valve (TCV-100A)
HTR
3-Phase Thermostatically Controlled
3000 Watt Oil Heater at Line Voltage
HW Hotwell
K7, K8, K13,
K14, K17, K18
Relays Mounted on YORK I/O Board
LCV Level Control Valve Actuator (LCV-113)
LE Level Transducer (0-5 VDC Output)
LSH High Level Switch
LT Level Transmitter (4-20 MA DC Output)
M Contactor/Motor Starter
MOV Metal Oxide Varistor
MP Manual Motor Protector
MP_A
Manual Motor Protector Auxiliary Contact
(see note 19)
MP_S
Manual Motor Protector Signaling Contact
(see note 25)
MPU Magnetic Pickup
PE Pressure Tranducer (0.5-4.5 VDC Output)
PGD Proximity Gap Distance (ZE-142)
PT
Pressure Transmitter (4-20 MA DC Out-
put)
PRV Pre-Rotation Vanes (TCV-100)
PSHH-112A
Compr. Disch. High Press. Cutout, Hard-
wired
PWM Pulse Width Modulated
R Control Relay
RES Resistor
SC Speed Control
SS Speed Switch
ST Speed Transmitter (4-20 MA DC Output)
T Transformer
TB1, TB3,
TB5, TB7
Terminal Block
Factory Wiring -
TB2, TB4
Terminal Block
Field Connection -
TB6
Terminal Block -
Field (bottom) Factory (top)
LABEL DESCRIPTION
TB7
Terminal Block -
Field (left) Factory (right)
TB8
Terminal Block in Power Panel,
Factory -
TB9
Terminal Block in Steam
Condenser Junction Box -
TE
Resistance Temperature
Sensing Element
VE Vibration Proximity Probe
VGD Variable Geometry Di󰀨user
VMS Vane Motor Closed Limit Switch
VT Vibration Transmitter
ZS Limit Switch
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
Shielded Cable
Metal Oxide Varistor
SUPR Transient Suppressor
Ground
035-26593-000
SHT. 2 OF 11
REV. H