TM 9-4120-411-14
LEGEND
UNIT
B1
OUTSIDE FAN MOTOR
B2
COMPRESSOR MOTOR
B3
INSIDE BLOWER MOTOR
HR1, HR8
L1
REVERSING VALVE SOLENOID
RT2
INSIDE AIR TEMPERATURE SENSOR (VOLUTE)
RT3
OUTSIDE COIL TEMPERATURE SENSOR
RT4
RT5
OUTSIDE AIR TEMPERATURE SENSOR
S1
COVER
S2
LOW PRESSURE CUTOUT (COMPRESSOR SUCTION)
S3
HIGH PRESSURE CUTOUT (COMPRESSOR DISCHARGE)
S4
HIGH TEMPERATURE CUTOUT (HEATER)
S6
(FDECU-2 & -3 ONLY) HIGH TEMPERATURE CUTOUT (COMPRESSOR)
A1 POWER BOX
K1
OUTSIDE FAN MOTOR CONTACTOR
K2
COMPRESSOR MOTOR CONTACTOR
K3
INSIDE BLOWER MOTOR CONTACTOR
K4
HEATER (BANK 1) CONTACTOR
K5
HEATER (BANK 2) CONTACTOR
K6
(FDECU-2 & -3 ONLY) COMPRESSOR MOTOR OVERLOAD
K7
OUTSIDE FAN MOTOR OVERLOAD
K8
INSIDE BLOWER MOTOR OVERLOAD
C2,
C3,
C4
POWER FACTOR CORRECTION CAPACITORS (OUTSIDE FAN MOTOR)
C1,
C5,
C6
POWER FACTOR CORRECTION CAPACITORS (INSIDE BLOWER MOTOR)
C7,
C8,
C9
POWER FACTOR CORRECTION CAPACITORS (COMPRESSOR MOTOR)
R2,
R3,
R4
BLEED DOWN RESISTORS (OUTSIDE FAN MOTOR POWER FACTOR CORRECTION
CAPACITORS)
R1, R5, R6
BLEED DOWN RESISTORS (INSIDE BLOWER MOTOR POWER FACTOR CORRECTION
CAPACITORS)
R7, R8, R9
BLEED DOWN RESISTORS (COMPRESSOR MOTOR POWER FACTOR CORRECTION
CAPACITORS)
Figure 4-14. Wiring Diagram (Sheet 4 of 5).
Change 1 4-37
