SECTION 3 TS32 USER MANUAL
47
Figure 3-7: Wiring Diagram—Water-Cooled Wye Delta
COMP DESCRIPTION
1M COMPRESSOR MOTOR STARTER
1MOL COMPRESSOR MOTOR STARTER OVERLOAD CONTACT
2M COMPRESSOR MOTOR STARTER RUN CONTACTOR
S COMPRESSOR START CONTACTOR
3M FAN MOTOR STARTER
3MOL FAN MOTOR STARTER OVERLOAD CONTACT
4MOL FAN MOTOR STARTER OVERLOAD CONTACT
6M OPTIONAL CONTACTOR FOR PF CAPACITOR
1FU TRANSFORMER PRIMARY FUSES
2FU TRANSFORMER SECONDARY FUSE
3FU COOLER FAN BRANCH FUSES
P1
WET SUMP PRESSURE SENSOR - SET PER FACE OF
ORDER
P2 PACKAGE DISCHARGE PRESSURE SENSOR
P3 OIL FILTER DISCHARGE PRESSURE SENSOR
P4 OIL FILTER UPSTREAM PRESSURE SENSOR
T1 UNIT DISCHAGE TEMPERATURE RTD
T2 DRY DISCHARGE TEMPERATURE RTD
T3 INJECTION OIL TEMPERATURE RTD
T4 INTERSTAGE TEMPERATURE RTD
DPSW1 OIL FILTER DIFFERENTIAL PRESSURE SWITCH (OPT'L)
PSW1 INLET AIR FILTER SWITCH: 22 IN WC (558.9 MM WC)
PSW2 WATER PRESSURE SWITCH:10PSI (0.7 BAR)
SOL1 LOAD CONTROL SOLENOID VALVE
SOL2 SPIRAL CONTROL SOLENOID VALVE (OPTIONAL)
SOL3 START CONTROL SOLENOID VALVE
SOL4 SEQUENCING/FULL LOAD SOLENOID VALVE (OPT)
SOL5 COMBO DRAIN/JZL DRAIN SOLENOID VALVE
SOL6 WATER SHUTOFF SOLENOID VALVE (OPTIONAL)
1XFMR CONTROL VOLTAGE TRANSFORMER
2XFMR SUPERVISOR 3 STEPDOWN TRANSFORMER 24VAC
K1 INTERNAL RUN RELAY CONTACT
K2 INTERNAL Y-DELTA RELAY CONTACT
K3 INTERNAL LOAD CONTROL RELAY CONTACT
K4 INTERNAL SEQUENCE RELAY CONTACT
K5 INTERNAL ELECTRIC DRAIN RELAY CONTACT
K6 INTERNAL COMMON FAULT RELAY CONTACT
K7 INTERNAL COMMON WARNING RELAY CONTACT
K8 INTERNAL SPECIAL FUNCTION CONTACT
PMR OPT'L POWER MONITOR RELAY
HRN OPT'L AUDIBLE ALARM
HTR1 SUMP HEATER
HTR2 HEAT TRACE
HTR3 TRAP HEATER
HTR4 CONTROL PANEL HEATER
TH THERMOSTAT FOR HEAT TRACE
NOTES:
1. CUSTOMER TO FURNISH FUSED OR CIRCUIT BREAKER DISCON-
NECT PER LOCAL CODES.
2. REMOVE JUMPER FOR AUXILLIARY E-STOP STRING DEVICES.
3. OPTIONAL
4. 2ND FAN MOTOR FOR 400HP AND LARGER.
5. BELDEN TYPE 9842 COND. 6 2 TWISTED PAIR W/SHIELD OR
EQUIVALENT. TO MATCHING TERMINALS ON NEXT COMPRES-
SOR. REFER TO SUPERVISOR SEQUENCING PROTOCOL MAN-
UAL.
COMP DESCRIPTION