Electrical Wiring Diagrams - Fujitsu 112 Installation And Operating Manual

Heat pump split single service 3 phase

5 Electrical wiring diagrams

Compressor
1 2 3 L1 L2 L3 N
Power source
3 phase 400 V.
Interconnection
between the outdoor unit
and the hydraulic unit.
- 50 -
Inverter PCB assy
Thermistor
(Heatsink inv .)
Filter
PCB
assy RD
WH
BK
BK
WH
RD
10A - 250 V
BK
BU
WH
Terminal
Figure 45 - Electrical wiring of outdoor unit
Solenoid BU
coil (Inj) BU
BN
RD
OG
YE
GN
GN
Capacitor
PCB assy
GN
BN
RD
OG
P.F.C.
PCB assy
YE
GN
BU
Reactors
Fuse
F3 F1
F2
3,15A - 250 V 5A - 250 V
Controller PCB assy (Main PCB)
RD
BU
OG
YE
WH
BK
BK
BK
BK
BK
BK
BN
BN
BK
BK
BU
BU
BN
BN
RD
WH
BK
BK
BK
BK
BK
RD
BU
OG
YE
WH
RD
BK
WH
YE
BN
RD
BK
WH
YE
BN
Option
(connector)
Color Codes
Installation and operating manual "1364 - EN"
Expansion
valve coil (Inj)
Thermistor
Inj expansion
valve
Thermistor heat
exchanger mid
Thermistor
heatsink PFC
Thermistor
discharge pipe
Thermistor heat
exchanger out
Thermistor
outdoor temp .
Thermistor
compressor
temp .
Pressure
sensor
Reactor fan
Solenoid
coil
Expansion
valve coil
Fan motor 1
(upper)
Fan motor 2
(lower)
BK Black
BN Brown
BU Blue
GN Green
GY Grey
OG Orange
RD Red
VT Purple
WH White
YE Yellow