Service manual

Table Of Contents
75
T-362
SYMBOL DESCRIPTION
AMBS AMBIENT SENSOR (C23)
C CONTROLLER (L21)
CB1 CIRCUIT BREAKER 460 VOLT (J1)
CB2 OPTIONAL CIRCUIT BREAKER DVM (OPTION)
(D1) TERMINAL BLOCK WHEN CB2 NOT PRESENT
CF CONDENSER FAN CONTACTOR (N8, L11)
CH COMPRESSOR CONTACTOR (L10, P1)
CI COMMUNICATIONS INTERFACE MODULE (OPTION)
(A4)
CL COOL LIGHT (OPTION) (L12)
CM CONDENSER FAN MOTOR (E11, G11, R9)
CP COMPRESSOR MOTOR (T4)
CPDS DISCHARGE TEMPERATURE SENSOR (A23)
CS CURRENT SENSOR (M2)
DHBL DEFROST HEATER BOTTOM LEFT (R8)
DHBR DEFROST HEATER BOTTOM RIGHT (T7)
DHML DEFROST HEATER MIDDLE LEFT (R7)
DHMR DEFROST HEATER MIDDLE RIGHT (T7)
DHTL DEFROST HEATER TOP LEFT (R7)
DHTR DEFROST HEATER TOP RIGHT (T8)
DL DEFROST LIGHT (OPTION) (L7)
DPT DISCHARGE PRESSURE TRANSDUCER (K23)
DTS DEFROST TEMPERATURE SENSOR (C23)
DUV DIGITAL UNLOADER VALVE (F24)
DVM DUAL VOLTAGE MODULE (OPTIONAL) (D1)
DVR DUAL VOLTAGE RECEPTACLE (OPTIONAL) (F3)
EEV ELECTRONIC EXPANSION VALVE (R16)
EF EVAPORATOR FAN CONTACTORHIGH SPEED
(N11, K13)
EM EVAPORATOR FAN MOTOR (T11, T13, E14, F14,
G14)
EPT EVAPORATOR PRESSURE TRANSDUCER (H23)
ES EVAPORATOR FAN CONTACTORLOW SPEED
(P10, L13)
ETS EVAPORATOR TEMPERATURE SENSOR (SUCTION)
(D23)
ESV ECONOMIZER SOLENOID VALVE (J11)
F FUSE (C7, D7, F21, G21)
FLA FULL LOAD AMPS
HPS HIGH PRESSURE SWITCH (G9)
HR HEATER CONTACTOR (N7, L15)
LEGEND
SYMBOL DESCRIPTION
HS HUMIDITY SENSOR (OPTIONAL) (F23)
HTT HEAT TERMINATION THERMOSTAT (E15)
ICF INTERROGATOR CONNECTOR FRONT (T23)
ICR INTERROGATOR CONNECTOR REAR (T24)
IP INTERNAL PROTECTOR (E14, F11, G14)
IRL IN RANGE LIGHT (OPTION) (K15)
PA UNIT PHASE CONTACTOR (K9, L8, N1)
PB UNIT PHASE CONTACTOR (K8, L9, N3)
PR USDA PROBE RECEPTACLE (M24, N24, P24)
PTC PTC FOR VENT POSITIONING SENSOR (N17)
RM REMOTE MONITORING RECEPTACLE (OPTION)
(K7, L7, K12, L12, K15, L15)
RRS RETURN RECORDER SENSOR (C23)
RTS RETURN TEMPERATURE SENSOR (B23)
SPT SUCTION PRESSURE TRANSDUCER (H23)
SRS SUPPLY RECORDER SENSOR (L23)
ST START STOP SWITCH (K5)
STS SUPPLY TEMPERATURE SENSOR (A23)
TBU TRANSFORMER BRIDGING UNIT (D1, D2)
TC CONTROLLER RELAYCOOLING (J9)
TCC TRANSFRESH COMMUNICATIONS CONNECTOR
(OPTION) (D6)
TCP CONTROLLER RELAY PHASE SEQUENCING
(J8, J9)
TE CONTROLLER RELAY HIGH SPEED EVAPORATOR
FANS (J14)
TH CONTROLLER RELAY HEATING (J15)
TF CONTROLLER RELAY DEFROST (E7)
TI INRANGE RELAY (J15)
TL CONTROLLER RELAY COOL LIGHT (J12)
TN CONTROLLER RELAY CONDENSER FAN (J11)
TP TEST POINT (H9, F10, H11, G12, H13,
G15, L17)
TR TRANSFORMER (M3)
TRANS AUTO TRANSFORMER 230/460 (OPTION) (D3)
TRC TRANSFRESH REAR CONNECTOR (OPTION) (E7)
TS CONTROLLER RELAY ECONOMIZER SOLENOID
VALVE (E10)
TV CONTROLLER RELAY LOW SPEED EVAPORATOR
FANS (J13)
VPS VENT POSITION SENSOR (UPPER) (N17)
WCR WETTING CURRENT RESISTOR (OPTION) (J12)
WP WATER PRESSURE SWITCH (OPTION) (E12)
Figure 74 LEGEND Unit With Autotransformer