Carrier 69NT40-561-201 Operation & Service Manual

7−1 T-364SECTION 7ELECTRICAL WIRING SCHEMATICS7.1 INTRODUCTIONThis section contains the Electrical Schematics and Wiring Diagrams.SYMBOL DESCRIPTIONAMBS 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 PRESENTCF 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 AMPSHPS HIGH PRESSURE SWITCH (G−9)HR HEATER CONTACTOR (N−7, L−15)HW HEATER CONTACTOR (R−8)LEGENDSYMBOL DESCRIPTIONHS 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 EVAPORATORFANS (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 SOLENOIDVALVE (E−10)TV CONTROLLER RELAY − LOW SPEED EVAPORATORFANS (J−13)VPS VENT POSITION SENSOR (UPPER) (N−17)WCR WETTING CURRENT RESISTOR (OPTION) (J−12)WP WATER PRESSURE SWITCH (OPTION) (E−12)Figure 7−1 LEGEND − Standard Unit Configuration