TYPICAL SCHEMATIC WIRING DIAGRAM
MODELS : PT180 - PT240 (Dual compressor units)
STANDARD OPTIONS 1. UVM OPTION
TO HVTB
TO HVTB
2. SMOKE DETECTOR OPTION
3. VOLT FREE CONTACT OPTIONS
A. UNIT ON & OFF INDICATION OPTION
COMP. WITH CIRCUIT BREAKER OPTION
HVTB
LUG
LOW AMBIENT OPTION
C. BM ON,OFF & TRIP INDICATION OPTION
FAN MOTOR CONTROL CONNECTION
(APPLICABLE FOR FM WITH T.O.P)
A) STANDARD CONNECTION
B) WITH LOW AMBIENT OPTION
| LEGEND |
AR | AUXILIARY RELAY |
AFS | AIRFLOW SWITCH |
ATB | AUXILIARY TERMINAL BLOCK |
BM | BLOWER MOTOR |
BMC | BLOWER MOTOR CONTACTOR |
CC | COMPRESSOR CONTACTOR |
CCA | AUXILIARY CONTACT |
CB | CIRCUIT BREAKER |
C. HTR | CRANKCASE HEATER |
COMP | COMPRESSOR |
ECB | ELECTRONIC CONTROL BOARD |
FCS | FAN CYCLING SWITCH |
F | FUSE |
FL | FUSE LINK |
FM | FAN MOTOR (CONDENSER) |
FMC | FAN MOTOR CONTACTOR |
FR | FAULT RELAY |
HC | HEATER CONTACTOR |
HPS | HIGH PRESSURE SWITCH |
HVTB | HIGH VOLTAGE TERMINAL BLOCK |
HTR | HEATER |
JP | JUMPER |
L1 | LINE 1 |
L2 | LINE 2 |
L3 | LINE 3 |
LPS | LOW PRESSURE SWITCH |
LUG | LUG GROUND |
NTB | NEUTRAL TERMINAL BLOCK |
O/L | OVER LOAD |
OHT | OVER HEAT THERMOSTAT |
PDS | PUMP DOWN SOLENOID |
SSPS | SOLID STATE PROTECTIVE SYSTEM |
SD | SMOKE DETECTOR |
TRANS | TRANSFORMER |
T'STAT | THERMOSTAT |
UVM | UNDER VOLTAGE MONITOR |
_ _ _ | FIELD WIRING |
|
+DISCONNECT TAB - 1/4"
TERMINAL BLOCK OR TERMINATION POINT
NOTES
1.POWER SUPPLY,
2.ANY WIRE REPLACEMENT SHOULD BE OF 900C OR ITS EQUIVALENT. USE COPPER CONDUCTOR WIRES ONLY.
3.IF PDS & HEATERS ARE FACTORY INSTALLED, PLEASE READ BROKEN LINES AS CONTINUOUS LINES.
4.POWER MUST BE SUPPLIED TO CRANKCASE HEATER FOR MINIMUM OF 12 HOURS PRIOR TO SYSTEM START UP. IF POWER IS OFF 6 HOURS OR MORE, CRANKCASE HEATER MUST BE ON FOR 12 HOURS BEFORE OPER- ATING THE SYSTEM.
FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RE- SULT IN COMPRESSOR DAMAGE.
5.FUSED DISCONNECT SWITCH OR CIRCUIT BREAKER TO BE PROVIDED BY CONSUMER WITH RATING AS RECOMMENDED BY COOLINE.
6.COMPRESSORS ARE PROVIDED WITH INTERNAL OVERLOAD.
7.IF COMPRESSOR IS SUPPLIED WITH SSPS, CONNECT AS SHOWN. PLEASE ALLOW
8.IF ANY CHANGE IN DIP SWITCH SETTING IS REQUIRED, TURN OFF POWER FIRST & SET REQUIRED SETTING.
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