United Technologies Carrier TRANSICOLD 68RM35-604-20, Operation And Service

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5-2
T-288
SYMBOL DESCRIPTION
ACHM A/C HOURMETER (OPTIONAL)
ACMS A/C MODE SWITCH (O.E.M. SUPPLIED)
ACR A/C RELAY
ACSR1 A/C STOP RELAY #1
ACSR2 A/C STOP RELAY #2
BPM BOOST PUMP MOTOR
BPR BOOST PUMP RELAY
CB1 15A CIRCUIT BREAKER
CB2 40A CIRCUIT BREAKER
CB3 40A CIRCUIT BREAKER
CB4 60A CIRCUIT BREAKER
CB5 60A CIRCUIT BREAKER
CB6 10A CIRCUIT BREAKER
CDR COOL DISABLE RELAY
CFR1 CONDENSER FAN RELAY #1
CFR2 CONDENSER FAN RELAY #2
CFS CONDENSER FAN SWITCH
CL CLUTCH
CM1 CONDENSER FAN MOTOR #1
CM2 CONDENSER FAN MOTOR #2
COL1 CONDENSER OVERLOAD #1
COL2 CONDENSER OVERLOAD #2
CR CLUTCH RELAY
CSR1 CONDENSER SPEED RELAY #1
D1 - D28 DIODE #1 THRU DIODE #28
DFS DEFROST SWITCH (O.E.M. SUPPLIED)
EM1 EVAPORATOR FAN MOTOR #1
EM2 EVAPORATOR FAN MOTOR #2
EFR1 EVAPORATOR FAN RELAY #1
EOL1 EVAPORATOR OVERLOAD #1
EOL2 EVAPORATOR OVERLOAD #2
ESR EVAPORATOR SPEED RELAY
FR FAULT RELAY
HPS HIGH PRESSURE SWITCH
HR HEAT RELAY
HR2 HEAT RELAY #2
LATH LOW AMBIENT THERMOSTAT
LPS LOW PRESSURE SWITCH
LSV LIQUID SOLENOID VALVE
OR1 EVAPORATOR OVERLOAD RELAY #1
OR2 EVAPORATOR OVERLOAD RELAY #2
PTB POWER TERMINAL BLOCK
RCV REHEAT COOLANT VALVE
RHR REAR HEATER RELAY (O.E.M. SUPPLIED)
TDR TIME DELAY RELAY
TH ELECTRONIC THERMOSTAT
TSP TEMPERATURE SELECTOR POT
UFHAT UNDER FLOOR HEAT AMBIENT THERMOSTAT (O.E.M. SUPPLIED)
UPS1 UNLOADER PRESSURE SWITCH #1
UPS2 UNLOADER PRESSURE SWITCH #2
UPS3 UNLOADER PRESSURE SWITCH #3
UV1 UNLOADER VALVE #1
UV2 UNLOADER VALVE #2
WPR WATER PUMP RELAY (O.E.M. SUPPLIED)
WTS WATER TEMPERATURE SENSOR
LEGEND
INDICATES RELAY BOARD CONNECTION
INDICATES A WIRE GROUND
INDICATES CUSTORMER SUPPLIED
INDICATES A CONNECTION
(LUG, SCREW, ETC.)
INDICATES A CONNECTOR
INDICATES A NORMALLY OPEN CONTACT
INDICATES A NORMALLY CLOSED CONTACT
INDICATES BUS INTERFACE CONNECTOR
PIN LOCATION
INDICATES RELAY BOARD TRACE
SYMBOLS
22 - PIN CONNECTOR
(A/C UNIT WIRING SIDE)
Figure 5-1. Electrical Schematic Diagram Legend and Symbols (Drawing No. 68RM35-1038-12
)