Installation and operating manual “1350-EN”
55
Heat pump, Split, single service
Temperature sensors
Discharge
Evaporator
Compressor
Outside
Compressor
Regulation board
Terminal block
Coil
Posistor
Terminal block
Electricity
supply
HP pressure switch
4-way valve
Electronic
expansion
valve
Fuse
Ventilator 1
Ventilator 2
Black
Brown
Brown
Blue
Black
Active
filter
unit
White
Brown
Filter EMI
Filter EMI
Connector
Yellow
Blue
Orange
Red
Red
Brown
Yellow
Diode bridge
Relay
Red
White
Red
White
Black
Grey
Grey
Black
Red
Filter EMI
Filter
Filter EMI
Red
Red
Black
Yellow
Brown
White
Orange
Blue
Black
Red
Black
Yellow
Brown
White
Black
Yellow
Brown
White
Red
White
Black
White
Black
White
Black
Green
White
Black
Black
Red
Brown
Compressor
casing
Interconnection
between the outside unit
and the hydraulic module
Filter EMI
White
Violet
Terminal block
Black
Black
Orange
Orange
Filter EMI
Fuse
10
A
Red
Figure 48 - Electrical wiring of outside unit Model 155