Carrier 69NT40-489-100 Series, Operation And Service Manual

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142 T-305
SYMBOL DESCRIPTION (Schematic Location)
AC AIR COMPRESSOR CONTACTOR (E--3, R--1)
AH AIR HEATER CONTACTOR (E--8, R--2)
AT AIR HEATER TRIAC (SOLID STATE RELAY) (F--8, F--17)
AHTR AIR HEATER (E--11)
AM AIR COMPRESSOR MOTOR (G--3)
ASV AIR CALIBRATION SOLENOID VALVE (R--9)
CAS CONTROLLED ATMOSPHERE START--STOP SWITCH (B--15)
COS CO
2
SENSOR (G--28)
CSV CO
2
SOLENOID VALVE (R--6)
DIS DOOR INTERLOCK SOLENOID (R--12)
DS1 DRAIN SOLENOID VALVE #1 (P--4)
DS2 DRAIN SOLENOID VALVE #2 (R--4)
F FUSE (E--22, F--22, F--15)
GSV GAS CALIBRATION SOLENOID VALVE (R--8)
HIM HEATER INTERFACE MODULE (F--20)
HATS HIGH AIR TEMPERATURE SWITCH (P--2, Figure 90; K--2, Figure 92)
IP INTERNAL PROTECTOR (K--1)
K1 CA CONTROLLER RELAY (SAMPLE AIR) (M--15)
K2 CA CONTROLLER RELAY (DOOR INTERLOCK) (H--12)
K3 CA CONTROLLER RELAY (CO2) (M--6)
K4 CA CONTROLLER RELAY (O2 FLOW) (M--5)
K5 CA CONTROLLER RELAY (FILTER DRAIN) (M--3)
K6 CA CONTROLLER RELAY (AIR COMPRESSOR) (M--1)
K8 CA CONTROLLER RELAY (AIR HEATING) (M--3)
K9 CA CONTROLLER RELAY (GAS CALIBRATION) (M--8)
K10 CA CONTROLLER RELAY (N2 PURITY) (M--7)
K11 CA CONTROLLER RELAY (AIR CALIBRATION) (M--9)
K12 CA CONTROLLER RELAY (DOOR INTERLOCK OPEN/CLOSED) (J--11, J--13)
MPT MEMBRANE PRESSURE TRANSDUCER (E--27)
MOV METAL OXIDE VARISTOR (F--9)
MTS MEMBRANE TEMPERATURE SENSOR (A--27)
NSV N
2
SAMPLE SOLENOID VALVE (R--7)
NPV N2 PURITY SOLENOID VALVE (R--3, Figure 90)
OS OXYGEN SENSOR (C--28)
OSM OXYGEN SENSOR MODULE (D28)
OSV OXYGEN SOLENOID VALVE (R--5)
REC RECTIFIER (DOOR INTERLOCK CLOSE) (N--14)
REO RECTIFIER (DOOR INTERLOCK OPEN) (L--12)
SAV SAMPLE AIR SOLENOID VALVE (R--15)
TP TEST POINT (M--1, N--3, N--5, N--6, R--16, F--21)
CA LEGEND
Figure 89. LEGEND -- CA