3000PB, 3700B, 4500B, 3000PVB, 3700VB, 4500VB User Manual 3: Specifications
02250216-786 R01
Subject to EAR, ECCN EAR99 and related export control restrictions. 39
3.14 Wiring diagram, VSD air-cooled parallel wye A1000 (460V only)
Component Description
1M COMPRESSOR MOTOR
2M COOLER FAN MOTOR STARTER
2MOL FAN MOTOR OVERLOAD
1FU TRANSFORMER PRIMARY FUSES
2FU TRANSFORMER SCONDARY FUSE 115V
3FU TRANSFORMER SECONDARY FUSES 24V
4FU FAN MOTOR BRANCH CIRCUIT FUSES
P1 WET SUMP PRESSURE SENSOR
P2 PACKAGE DISCHARGE PRESSURE SENSOR
T1 UNIT DISCHAGE TEMPERATURE PROBE
PSW1 (OPT'L)INLET AIR FILTER SWITCH 558.9 MM WC - 22 IN WC
DPSW1 (OPT'L)OIL FILTER DIFF PRESS SWITCH 20PSID
INPUT 7 REMOTE RUN/UNLOAD
INPUT 8 CUSTOMER FURNISHED FAULT
INPUT 9 CUSTOMER FURNISHED WARNING
SOL1 LOAD CONTROL SOLENOID VALVE
SOL4 SEQUENCEING SOLENOID VALVE
SOL5 ELECTRIC CONDENSATE DRAIN VALVE
PS 24VDC POWER SUPPLY
K1
INTERNAL FAN RELAY CONTACT TEMP (T1)
CONTROLLED
K2
INTERNAL Y-DELTA START RELAY COMPRESSOR
RUNNING
K3
INTERNAL WYE-DELTA RUN RELAY COMPRESSOR
ENABLED
K4 INTERNAL LOAD CONTROL RELAY
K5 INTERNAL SEQUENCE RELAY
K6 INTERNAL ELECTRIC DRAIN RELAY
K7 INTERNAL COMMON FAULT RELAY
HTR1 (OPT'L) SUMP HEATER 800W
HTR2 (OPT'L) HEAT TRACE
HTR3 (OPT'L) TRAP HEATER 70WATTS
HTR4 (OPT'L) CONTROL PANEL HEATER 50WATTS
TH THERMOSTAT FOR HEAT TRACE OPTION
JZL (OPT'L) JZL DRAIN
PPR POWER PRESENT RELAY OPTION
XFMR UNIVERSAL 250VAC TRANSFORMER
Drawing notes
1
CUSTOMER TO FURNISH FUSED OR CIRCUIT BREAKER
DISCONNECT PER LOCAL CODES.
2
REMOVE JUMPER FOR AUXILLIARY E-STOP STRING
DEVICES.
3
USE ISOLATING RELAYS WITH DRY CONTACTS FOR ANY
OPTIONAL INPUTS TO THE WS CONTROLLER™. MOUNT
THE RELAY LOCALLY IN THE STARTER BOX.
4
SHORTING BAR IS STANDARD. REMOVE IF ADDING
EXTERNAL DC LINK REACTOR.
5
PHASE MONITOR RELAY OPTION: THE PMR TYPICALLY
ACTS AS A FAULT SIGNAL IN THE EVENT OF A POWER
INTERRUPTION, REQUIRING MANUAL RESET. FOR USE
WITH POWER AUTO RESTART (PFAR) LOGIC ENABLED,
WIRE IT IN SERIES AS SHOWN IN PFAR CONNECTION.
NOTE
The VSD air-cooled parallel wye A1000 is 460V
only. It cannot be wired for 230/575V.
Component Description
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