TM 9-4120-411-14
4.16 ELECTRICAL SYSTEM GENERAL REPAIR - CONTINUED.
LEGEND CONTINUED
A2 CONTROL BOX
A2A1 PC BOARD
A2A2 CONTROL PANEL
F1
OUTPUT POWER FUSE
DS4
WARMUP)
K3
SOLID STATE RELAY (REVERSING
DS5
LED (CLIMATE CONTROL)
K4
SOLID STATE RELAY (COMPRESSOR
DS6
LED (VENT)
K5
SOLID STATE RELAY (BANK 2 HEAT-
R2
POTENTIOMETER (TEMPERATURE
ERS CONTACTOR)
CONTROL)
K6
SOLID STATE RELAY (BANK 1 HEAT-
S1
PUSHBUTTON SWITCH (CLIMATE
ERS CONTACTOR)
CONTROL)
K7
SOLID STATE RELAY (INSIDE BLOW-
S2
PUSHBUTTON SWITCH (VENT)
ER MOTOR CONTACTOR)
K8
SOLID STATE RELAY (COMPRESSOR
S7
SWITCH (REMOTE BOX/THIS PANEL)
MOTOR CONTACTOR)
K9
SOLID STATE RELAY (OUTSIDE FAN
MOTOR CONTACTOR)
S3
DUAL INLINE PARALLEL SWITCH
(MANUAL OVERIDE)
T1
A3 REMOTE BOX
DS1
DS2
LED (CLIMATE CONTROL)
DS3
LED (VENT)
R1
POTENTIOMETER (TEMPERATURE CONTROL)
RT1
INSIDE AIR TEMPERATURE SENSOR
S1
PUSHBUTTON SWITCH (CLIMATE CONTROL)
S2
PUSHBUTTON SWITCH (VENT)
A4 HEATER ASSEMBLY
HR2,
HR3, HR4
HEATERS (BANK 1)
HR5,
HR6, HR7
HEATERS (BANK 2)
Figure 4-14. Wiring Diagram (Sheet 5 of 5).
4-38 Change 1