Figure 7−1 Legend − Standard Unit Configuration - Carrier 69NT40-561-201 Operation & Service Manual

7.1 INTRODUCTION
This section contains the Electrical Schematics and Wiring Diagrams.
SYMBOL DESCRIPTION
AMBS AMBIENT SENSOR (C−22)
C CONTROLLER (L−21)
CB1 CIRCUIT BREAKER − 460 VOLT (J−1)
CB2 OPTIONAL CIRCUIT BREAKER − DVM (OPTION)
(D−1) TERMINAL BLOCK WHEN CB2 NOT PRESENT
CF CONDENSER FAN CONTACTOR (N−8, L−11)
CH COMPRESSOR CONTACTOR (L−10, P−1)
CI COMMUNICATIONS INTERFACE MODULE (OPTION)
(A−4)
CL COOL LIGHT (OPTION) (L−12)
CM CONDENSER FAN MOTOR (E−11, G−11, R−9)
CP COMPRESSOR MOTOR (T−4)
CPDS DISCHARGE TEMPERATURE SENSOR (A−23)
CS CURRENT SENSOR (M−2)
DHBL DEFROST HEATER − BOTTOM LEFT (R−8)
DHBR DEFROST HEATER − BOTTOM RIGHT (T−7)
DHML DEFROST HEATER − MIDDLE LEFT (R−7)
DHMR DEFROST HEATER − MIDDLE RIGHT (T−7)
DHTL DEFROST HEATER − TOP LEFT (R−7)
DHTR DEFROST HEATER − TOP RIGHT (T−8)
DL DEFROST LIGHT (OPTION) (L−7)
DPT DISCHARGE PRESSURE TRANSDUCER (K−23)
DTS DEFROST TEMPERATURE SENSOR (C−23)
DUV DIGITAL UNLOADER VALVE (F−24)
DVM DUAL VOLTAGE MODULE (OPTIONAL) (D−1)
DVR DUAL VOLTAGE RECEPTACLE (OPTIONAL) (F−2)
EEV ELECTRONIC EXPANSION VALVE (R−16)
EF EVAPORATOR FAN CONTACTOR−HIGH SPEED
(N−11, K−13)
EM EVAPORATOR FAN MOTOR (T−11, T−13, E−14, F−14,
G−14)
EPT EVAPORATOR PRESSURE TRANSDUCER (H−23)
ES EVAPORATOR FAN CONTACTOR−LOW SPEED
(P−10, L−13)
ETS EVAPORATOR TEMPERATURE SENSOR (SUCTION)
(D−23)
ESV ECONOMIZER SOLENOID VALVE (J−11)
F FUSE (C−7, D−7, F−21, G−21)
FLA FULL LOAD AMPS
HPS HIGH PRESSURE SWITCH (G−9)
HR HEATER CONTACTOR (N−7, L−15)
HW HEATER CONTACTOR (R−8)
SECTION 7
ELECTRICAL WIRING SCHEMATICS
LEGEND
Figure 7−1 LEGEND − Standard Unit Configuration
SYMBOL DESCRIPTION
HS HUMIDITY SENSOR (OPTIONAL) (F−23)
HTT HEAT TERMINATION THERMOSTAT (E−15)
ICF INTERROGATOR CONNECTOR FRONT (T−23)
ICR INTERROGATOR CONNECTOR REAR (T−24)
IP INTERNAL PROTECTOR (E−14, F−11, G−14)
IRL IN RANGE LIGHT (OPTION) (K−15)
PA UNIT PHASE CONTACTOR (K−9, L−7, K−12)
PB UNIT PHASE CONTACTOR (K−8, L−9, N−3)
PR USDA PROBE RECEPTACLE (M−24, N−24, P−24)
PTC PTC FOR VENT POSITIONING SENSOR (N−17)
RM REMOTE MONITORING RECEPTACLE (OPTION)
(K−7, L−7, K−12, L−12, K−15, L−15)
RRS RETURN RECORDER SENSOR (C−23)
RTS RETURN TEMPERATURE SENSOR (B−23)
SPT SUCTION PRESSURE TRANSDUCER (H−23)
SRS SUPPLY RECORDER SENSOR (L−23)
ST START − STOP SWITCH (K−5)
STS SUPPLY TEMPERATURE SENSOR (A−23)
TC CONTROLLER RELAY−COOLING (J−9)
TCC TRANSFRESH COMMUNICATIONS CONNECTOR
(OPTION) (D−6)
TCP CONTROLLER RELAY − PHASE SEQUENCING
(J−8, J−9)
TE CONTROLLER RELAY − HIGH SPEED EVAPORATOR
FANS (J−14)
TH CONTROLLER RELAY − HEATING (J−15)
TF CONTROLLER RELAY − DEFROST (E−7)
TI IN−RANGE RELAY (J−15)
TL CONTROLLER RELAY − COOL LIGHT (J−12)
TN CONTROLLER RELAY − CONDENSER FAN (J−11)
TP TEST POINT (H−9, F−10, H−11, G−12, H−13,
G−15, L−17)
TR TRANSFORMER (M−3)
TRANS AUTO TRANSFORMER 230/460 (OPTION) (D−3)
TRC TRANSFRESH REAR CONNECTOR (OPTION) (E−7)
TS CONTROLLER RELAY − ECONOMIZER SOLENOID
VALVE (E−10)
TV CONTROLLER RELAY − LOW SPEED EVAPORATOR
FANS (J−13)
VPS VENT POSITION SENSOR (UPPER) (N−17)
WCR WETTING CURRENT RESISTOR (OPTION) (J−12)
WP WATER PRESSURE SWITCH (OPTION) (E−12)
7−1
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