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Controls
1. -All communication is done through H-Link2.
2. -Always use a shielded twisted pair cable:
3. Size 0.75mm².
4. - Each H-Link must include one outdoor unit with End Resistance Set to ON (DIP SW)
Indoor Unit
Out
door Unit
H-Link – is the communication
wire which runs between
Hitachi indoor and outdoor
units
2Wire
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