7--2
T-334
SYMBOL DESCRIPTION
(Normal Schematic Location)
[Single Evaporator Fan Schematic Location]
AMBS
AMBIENT SENSOR (C-21) [C-23]
BM
BYPASS MODULE [J8, J9, J10, J11, P18]
C
CONTROLLER (H-19) [K-21]
CB1
CIRCUIT BREAKER - 460 VOLT (J-1) [J-1]
CB2
CIRCUIT BREAKER - DVM OPTION (C-1) [C-1]
CF
CONDENSER FAN CONTACTOR (M-10, N-5) [L-13, N-6]
CI
COMMUNICATIONS INTERFACE MODULE (A-3) [A-3]
CL
COOL LIGHT (M-11)
CM
CONDENSER FAN MOTOR
(G-10, H-10, T-6) [G-13, H-13, T-6]
CP
COMPRESSOR MOTOR (T-1) [T-1]
CPDS
COMPRESSOR DISCHARGE SENSOR (A-21) [A-23]
CPSS
COMPRESSOR SUCTION SENSOR (D-21) [D-23]
CR
CHART RECORDER [TEMPERATURE RECORDER]
(Figure 7--7) [A-17]
CS
CURRENT SENSOR (M-2) [M-2]
DHBL
DEFROST HEATER - BOTTOM LEFT (R-5) [R-5]
DHBR
DEFROST HEATER - BOTTOM RIGHT (T-4) [T-4]
DHML
DEFROST HEATER - MIDDLE LEFT (R-4) [R-4]
DHMR
DEFROST HEATER - MIDDLE RIGHT (T-4) [T-4]
DHTL
DEFROST HEATER - TOP LEFT (R-3) [R-4]
DHTR
DEFROST HEATER - TOP RIGHT (T-5) [T-5]
DL
DEFROST LIGHT (L-6)
DPT
DISCHARGE PRESSURE TRANSDUCER (J-22) [J-23]
DTS
DEFROST TEMPERATURE SENSOR (C-21) [C-23]
DVM
DUAL VOLTAGE MODULE (D-1) [D-1]
DVR
DUAL VOLTAGE RECEPTACLE (F-1) [E-2]
E
EVAPORATOR FAN CONTACTOR-HIGH
[G-15, H-16, J-15, K-16, P-7, P-10]
EB
EMERGENCY BYPASS (Figure 7--6) [E-8]
EF
EVAPORATOR FAN CONTACTOR-HIGH
(L-12, P-7, P-10)
EM
EVAPORATOR FAN MOTOR (E-12, H-12, T-8, T-10)
[L-15, L-16, M-15, M-16, T-8, T-10]
ES
EVAPORATOR FAN CONTACTOR-LOW
(M-12, P-7, P-10)
ESV
ECONOMIZER SOLENOID VALVE (K-9) [K-7]
F
FUSE (C-6,D-19,E-19)
[C-10, D-10, D-20, E-5, E-10, E-20]
HPS
HIGH PRESSURE SWITCH (F-8) [G-12]
HR
HEATER CONTACTOR (L-13, N-4) L-17]
HS
HUMIDITY SENSOR (F-22) [F-23]
HTT
HEAT TERMINATION THERMOSTAT (F-13) [E-17]
IC
INTERROGATOR CONNECTOR-FRONT/REAR
(R-21, R-22) [R-23, R-24]
IP
INTERNAL PROTECTOR
(E-12, H-10, H-12) [H-13, I-15, I-16]
IRL
IN RANGE LIGHT (L-14)
LIV
LIQUID INJECTION SOLENOID VALVE (K-10) [K-8]
MS
MODE SWITCH [L-9]
LEGEND
SYMBOL DESCRIPTION
(Normal Schematic Location)
[Single Evaporator Fan Schematic Location]
PA
COMPRESSOR PHASE CONTACTOR
(L-8, M-7, P-1) [L-12, M-11, N-1]
PB
COMPRESSOR PHASE CONTACTOR
(L-7, M-8, P-2) [L-11, M-12, N-2]
PE
PHYSICAL EARTH-GROUND (J-2) [J-2]
PR
USDA PROBE RECEPTACLE
(E-21, L-22, M-22, N-22) [E-23, L-24, M-24, N-24]
RM
REMOTE MONITORING RECEPTACLE
(L-6, M-6, L-11, M-11, L-14, M-14)
RRS
RETURN RECORDER SENSOR (B-21) [C-23]
RTS
RETURN TEMPERATURE SENSOR (B-21) [B-23]
S
EVAPORATOR FAN CONTACTOR-LOW
[G-15, H-15, J-16, K-16, P-7, P-10]
SMV
SUCTION MODULATING VALVE (T-16) [P-15]
SPT
SUCTION PRESSURE TRANSDUCER (H-22) [J-23]
SRS
SUPPLY RECORDER SENSOR (K-21) [K-24]
ST
START - STOP SWITCH (K-4) [J-4]
STS
SUPPLY TEMPERATURE SENSOR (A-21) [A-23]
TC
CONTROLLER RELAY-COOLING (H-8) [H-12]
TCC
TransFRESH COMMUNICATIONS CONNECTOR
(Figure 7--6)
TCP
CONTROLLER RELAY - COMPRESSOR PHASE
SEQUENCING (K-7, K-8) [K-11, K-12]
TE
CONTROLLER RELAY - HIGH SPEED EVAPORATOR
FANS (K-13) [E-15]
TF
DEFROST RELAY (E-6)
TFC
TransFRESH CONTROLLER (Figure 7--6)
TH
CONTROLLER RELAY - HEATING (K-13) [K-17]
TI
IN-RANGE RELAY (F-14)
TL
CONTROLLER RELAY - COOL LIGHT (K-11)
TN
CONTROLLER RELAY - CONDENSER FAN (K-10) [J-13]
TP
TEST POINT
(F-8, F-9, F-10, G-10, H-8, J-10, J-12, J-13, M-16)
[F-6, F-7, F-8, F-15, G-14, H-12, J-13, J-17, M-18]
TQ
CONTROLLER RELAY-LIQUID INJECTION (E-9) [E-8]
TR
TRANSFORMER (M-3) [M-3]
TRANS AUTO TRANSFORMER 230/460 (D-2) [C-3]
TRC
TransFRESH REAR CONNECTOR (Figure 7--6)
TS
CONTROLLER RELAY - ECONOMIZER SOLENOID
VALVE (E-9) [E-7]
TT
CONTROLLER RELAY - EXPANSION BYPASS
SOLENOID VALVE (E-9) [E-7]
TU
CONTROLLER RELAY - UNLOADER SOLENOID
VALVE (E-8) [E-6]
TV
CONTROLLER RELAY - LOW SPEED EVAPORATOR
FANS (K-12) [E-16]
USV
UNLOADER SOLENOID VALVE (K-8) [K-6]
VPS
VENT POSITION SENSOR (Figure 7--6) [G-23]
WCR
WETTING CURRENT RESISTOR (H-11) [J-14]
WP
WATER PRESSURE SWITCH (E-11) [E-14]
XBSV
EXPANSION BYPASS SOLENOID VALVE (K-9) [K-7]
Figure 7--1 LEGEND -- Single Phase, Normal Evaporator Fan Capability and
Single Evaporator Fan Capability
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