Haier 1U12EH2VHE Service Manual

Service Manual - Page 41

For 1U12EH2VHE. Series: Series 208-230V
Also, The document are for others Haier models: 1U09EH2VHE, 1U18EH2VHE, ASH109URDSE, ASH112URDSE, ASH118URDSE, AW09EH2VHD, AW12EH2VHD, AW18EH2VHD, ASYW09URDWD, ASYW12URDWD, ASYW18URDWD, AB09SC2VH, AB12SC2VH, AB18SC2VH, USYF09UCDWA, USYF12UCDWA, USYF18UCDWA, 1U09EH2VHD, 1U12EH2VHD, 1U18EH2VHD, ASH109URDSD, ASH112URDSD, ASH118URDSD, AWO9EH2VHD

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Components

The Indoor Unit Circuit Board communicates with the outdoor unit ECU

via a connection at Terminal Block screw 3. The data pulse that sends the

transmitted.

Line voltage to power the indoor unit comes in on Terminal Block connections

1 and 2. Power connects from these terminal connections to CH- 1 and CH-2 on

check for line voltage at these connections. When power is present at the indoor

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Indoor Unit Circuit Board

230VAC ,3A)

6 578

PAGE 41

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Haier 1U12EH2VHE Arctic Series 208-230V 12,000 BTU Ductless Mini-Split Outdoor Heat Pump System

Service Manual - Page 41