Electrical Connections On The Hydraulic Indoor Unit - Fujitsu WSYA050ML3 Design & Technical Manual

4-2. Electrical connections on the hydraulic indoor unit

CAUTION
Ensure that the general electrical power supply has been cut off before starting any repair work.
The rearmament of safety thermostat should be done by a professional.
• Open the front cover.
• Open the power control box.
• Make the connections in accordance with the diagrams.
– Single phase model
Hydraulic indoor unit
N
L
Power supply for
Electrical backup
single phase 230 V
4-2. Electrical connections on the hydraulic indoor unit
1 2 3 4 5 6
towards external
component contact
between outdoor unit
- (03-68) -
brown
blue
red
green/yellow
Interconnection
and hydraulic unit
Single phase outdoor unit
L N 1 2 3
L N
Electricity supply
single phase 230 V
4. Electrical connections