3000PB, 3700B, 4500B
, 3000PVB, 3700VB, 4500VB User
Manual
3: Specifications
02
250
216
-7
86 R0
1
Sub
jec
t to
EAR, ECCN
EAR99
and
rela
ted
exp
ort c
ontro
l res
tricti
ons
.
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