Table of Contents
Advertisement
LEGEND
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
Figure 5-1. Electrical Schematic Diagram Legend and Symbols (Drawing No. 68RM35-1038-12)
T-288
SYMBOLS
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
22 - PIN CONNECTOR
(A/C UNIT WIRING SIDE)
5-2
Advertisement
Table of Contents
