Electrical Work; Lead-In Wiring Work - Sanyo SHP-TH90GDN-SW Technical Manual

4. Electrical work

4-1 Precautions
• Use the prescribed power supply circuit breaker and cable thickness (see table below).
• Be absolutely sure to have the electrical work done by a qualified electrician.
• Be absolutely sure to have the equipment grounded by a qualified electrician.
(Leave a distance of at least 2 m from the ground of a lightning rod.)

4-2 Lead-in wiring work

The figure below shows how the circuit is configured from the Distribution board to the hot water heater.
Heat pump unit
<
SHP-C90GDN
<
SHP-C90GEN
Maximun length of the Unit cable : 15m
*
Distribution board
Ground
>
Voltage
Current
Cable thickness
>
Voltage
Current
Cable thickness
Power cable
Unit cable
*
Tank unit
~
400V 3N
10A
2
2.0mm
230V ~
20A
3.5mm 2
Ground