INDOOR UNIT CONTROL CIRCUIT (Continued)
NO. | Item |
| Overview of specifications | Remarks |
12 | HA control | (1) | When connected to a remote control system | A connector (separately |
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| remote on/off interface), operation ON/OFF can be controlled by | available) is required |
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| the HA signal input. | when using the HA |
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| (2) | Outputs operation ON/OFF status to the HA output terminal. | terminal CH61 for remote |
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| (3) | HA signal input/output specifications conform to the JEMA | ON/OFF control. |
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| standard. |
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| When group operation is |
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| in use, connect the |
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| connector to either header |
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| or follower indoor unit. |
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13 | Filter sign | (1) | Transmits filter replacement signal to remote controller for | “FILTER” lamp ON |
| indication |
| indication on the LCD when accumulated operation hours of |
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| (unavailable for |
| indoor unit fan exceeds the specified time (150 hours). |
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| wireless type) |
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| (2) | Clears accumulation timer upon receiving the filter reset signal |
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| from remote controller. At this time, when the specified time has |
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| already passed, the accumulated time is reset and the filter sign |
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| disappears from the LCD. |
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