7
2. Electric Wiring Diagram
Note：1) Must be hard wired, no plug allowed.
2) The swimming pool heater must be grounded.
Options for protecting devices and cable specification
※ Above data is subject to modification without notice.
Note: The above data is adapted to power cord ≤ 10 m. If power cord is
＞10 m, wire diameter must be increased. The signal cable can be
extended to 50 m at most.
MODEL
MI500 MI650 MI900 MI1100
MI1400
Breaker
A
20 30
30 40 50
Rated
Residual
Action
30 30
30 30 30
Fuse A
20 30 30 40
50
Power Cord （AWG）
2×12 2×10 2×10 2×8 2×8
Signal cable （AWG）
2×20 2×20 2×20 2×20 2×20
Grounding
Grounding
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