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Hitachi RAD-18NH7A Service Manual page 65

Air conditioner

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User manual (13 pages)

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Instruction manual (161 pages)

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[Low speed rotation mode]

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5V

U

0V

+

V

+

W

-

U

-

V

-

W

15V

+

U

0V

+

V

+

W

-

U

-

V

-

W

[High speed rotation mode]

U

V

W

U

V

W

U

V

W

U

V

W

+

U

-

-

V

W

+

U

-

-

V

W

+

5V

0V

+

+

-

-

-

15V

+

0V

+

+

-

-

-

+

+

V

W

-

U

Fig. 7-2

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+

V

W

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U

Fig. 7-3

– 75 –

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U

-

-

V

W

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U

-

-

V

W

+

V

+

V

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