Carrier 69NT40-561-300, Operation And Service Manual

Page: 163 / 174

8–1 T-365
SECTION 8
ELECTRICAL WIRING SCHEMATIC AND DIAGRAMS
8.1 INTRODUCTION
This section contains the Electrical Schematics and Wiring Diagrams.
Figure 8.1 Legend
SYMBOL DESCRIPTION
AIM AUTOFRESH INTERFACE MODULE (D
ï
24)
AMBS AMBIENT SENSOR (C
ï
23)
C CONTROLLER (L ï 21)
CB1 CIRCUIT BREAKER
ï
460 VOLT (J
ï
1)
CB2 OPTIONAL CIRCUIT BREAKER ï DVM (OPTION)
(D
ï
1) TERMINAL BLOCK WHEN CB2 NOT PRESENT
CF CONDENSER FAN CONTACTOR (N
ï
8, L
ï
12)
CH COMPRESSOR CONTACTOR (L ï 10, P ï 1)
CI COMMUNICATIONS INTERFACE MODULE (OPTION)
(A
ï 4)
CL COOL LIGHT (OPTION) (L ï 14)
CM CONDENSER FAN MOTOR (E
ï
11, G
ï
12, T
ï
10)
COS CO2 SENSOR (F ï 24)
CP COMPRESSOR MOTOR (T
ï
4)
CPDS DISCHARGE TEMPERATURE SENSOR (A ï 23)
CS CURRENT SENSOR (M ï 2)
DHBL DEFROST HEATER
ï
BOTTOM LEFT (R
ï
8)
DHBR DEFROST HEATER ï BOTTOM RIGHT (T ï 7)
DHML DEFROST HEATER
ï
MIDDLE LEFT (R
ï
7)
DHMR DEFROST HEATER ï MIDDLE RIGHT (T ï 7)
DHTL DEFROST HEATER ï TOP LEFT (R ï 7)
DHTR DEFROST HEATER
ï
TOP RIGHT (T
ï
8)
DL DEFROST LIGHT (OPTION) (L ï 7)
DPT DISCHARGE PRESSURE TRANSDUCER (K
ï
23)
DTS DEFROST TEMPERATURE SENSOR (C ï 23)
DLV DIGITAL LOADER VALVE (F ï 24)
DUV DIGITAL UNLOADER VALVE (L
ï
13)
DVM DUAL VOLTAGE MODULE (OPTIONAL) (D ï 1)
DVR DUAL VOLTAGE RECEPTACLE (OPTIONAL) (F
ï
3)
EEV EVAPORATOR EXPANSION VALVE (R ï 16)
EF EVAPORATOR FAN CONTACTOR ï HIGH SPEED
(M
ï
15, L
ï
14)
EM EVAPORATOR FAN MOTOR (T ï 13, T ï 15, E ï 15, F ï 15,
G ï 15)
EPT EVAPORATOR PRESSURE TRANSDUCER (H ï 23)
ES EVAPORATOR FAN CONTACTOR ï LOW SPEED
(P ï 10, L ï 14)
ETS EVAPORATOR TEMPERATURE SENSOR (SUCTION)
(D
ï 23)
ESV ECONOMIZER SOLENOID VALVE (J ï 10)
F FUSE (C
ï
7, D
ï
7, F
ï
21, G
ï
21)
FS CONDENSER FAN CONTACTOR (HIGH SPEED
SHORTING) (M2)
FLA FULL LOAD AMPS
HPS HIGH PRESSURE SWITCH (G ï 9)
HR HEATER CONTACTOR (N
ï
7, L
ï
15)
HS HUMIDITY SENSOR (OPTIONAL) (F ï 23)
HTT HEAT TERMINATION THERMOSTAT (E
ï
15)
SYMBOL DESCRIPTION
ICF INTERROGATOR CONNECTOR FRONT (T ï 23)
ICR INTERROGATOR CONNECTOR REAR (T ï 24)
IP INTERNAL PROTECTOR (E ï 14, F ï 11, G ï 14)
IRL IN RANGE LIGHT (OPTION) (K ï 15)
LC CONDENSER FAN CONTACTOR (LOW SPEED) (K15)
OS O2 SENSOR (H24)
OS O2 SENSOR AMPLIFIER (K24)
PA UNIT PHASE CONTACTOR (K ï 8, L ï 8, N ï 1)
PB UNIT PHASE CONTACTOR (K ï 8, L ï 8, N ï 3)
PR USDA PROBE RECEPTACLE (M ï 24, N ï 24, P ï 24)
PTC1 PTC FOR VENT POSITIONING SENSOR (UPPER)
(N
ï 17)
RM REMOTE MONITORING RECEPTACLE (OPTION)
(K
ï 7, L ï 7, K ï 14, L ï 14, K ï 16, L ï 16)
RRS RETURN RECORDER SENSOR (C
ï
23)
RTS RETURN TEMPERATURE SENSOR (B
ï
23)
SPT SUCTION PRESSURE TRANSDUCER (H ï 23)
SRS SUPPLY RECORDER SENSOR (L
ï
23)
SS SENSOR SWITCH MODULE (P24)
ST START
ï
STOP SWITCH (K
ï
5)
STS SUPPLY TEMPERATURE SENSOR (A ï 23)
TC CONTROLLER RELAY ï COOLING (J ï 9)
TCC TRANSFRESH COMMUNICATIONS CONNECTOR
(OPTION) (D
ï 6)
TCP CONTROLLER RELAY ï PHASE SEQUENCING
(J
ï
7, J
ï
8)
TD CONTROLLER RELAY (DUV) (J12)
TE CONTROLLER RELAY
ï
HIGH SPEED EVAPORATOR
FANS (J ï 15)
TH CONTROLLER RELAY ï HEATING (J ï 16)
TF CONTROLLER RELAY
ï
DEFROST (E
ï
7)
TG CONTROLLER RELAY ï (CONDENSER FAN SPEED)
(H11)
TI IN ï RANGE RELAY (J ï 15)
TL CONTROLLER RELAY ï COOL LIGHT (J ï 14)
TN CONTROLLER RELAY
ï
CONDENSER FAN (D
ï
10)
TP TEST POINT (H ï 9, F ï 10, H ï 12, G ï 13, H ï 13,
G ï 15, L ï 17)
TR TRANSFORMER (M
ï
3)
TRANS AUTO TRANSFORMER 230/460 (OPTION) (D ï 3)
TRC TRANSFRESH REAR CONNECTOR (OPTION) (E ï 7)
TS CONTROLLER RELAY ï ECONOMIZER SOLENOID
VALVE (E ï 10)
TV CONTROLLER RELAY
ï
LOW SPEED EVAPORATOR
FANS (J
ï
14)
VPS VENT POSITION SENSOR (UPPER) (N ï 17)
WCR WETTING CURRENT RESISTOR (OPTION) (J
ï
13)
WP WATER PRESSURE SWITCH (OPTION) (E ï 13)