Fujitsu AB 14LBAJ Series Service Instruction page 102

3. MAIN PCB removal
Remove the 4 mounting screws.
Remove the connectors and cords. (Refer to VIEW -A,-B)
Remove the MAIN PCB.
C
Compressor
A
B
Active Filter Module
SCREW
Thermistor
(2/3-way valve
Red
temp.) (White)
White
Black
Thermistor
Thermistor Thermistor
(Heat EX temp.)
(Heat sink) (Discharge temp.)
(Red)
(Black) (Yellow)
VIEW - A
" P " (White) " N1 " (Purple)
" L2 " (White)
" L1 " (White)
" + " (Red)
1 2(N) 3 1 2(N) 3
UNIT A
UNIT B
VIEW - B
Fan motor
Solenoid
Pressure SW
(White)
(Red)
Coil(Expansion valve)
(Red)
Coil(Expansion valve)
(White)
Thermistor PTC Thermistor
(Outdoor temp.) (Green)
(Blue)
Twist 3 times or more
" - " (Black)
DETAIL C
03-05
LABEL
UNIT A: 1
UNIT A: 2
UNIT A: 3
UNIT B: 1
UNIT B: 2
UNIT B: 3
POWER: L
L N
POWER
POWER: N
" TM104 " (Yellow)
" TM105 " (Blue)
From CN407
Wire
W4(Black)
W5(White)
W8(Red)
W6(Black)
W7(White)
W9(Yellow)
Fuse holder
(Black)
W2(White)