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No. | Part name |
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„ | Control board | 1. Disconnect the leads and connectors connected to |
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| assembly |
| the other parts from the control board assembly. |
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| 1) Leads |
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| • 3 leads (black, white, orange) connected to |
| CN603 |
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| terminal block. |
| CN601 | CN600 |
| CN701 | |||||
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| • Lead connected to compressor : |
| CN500 |
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| CN300 | ||||
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| CN700 | CN602 | ||||||||
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| Disconnect the connector (3P). |
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| • Lead connected to reactor : |
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| Disconnect the two connectors (2P). |
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| 2) Connectors (×8) |
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| CN300 : Outdoor fan motor (3P: white)* | CN300, CN701, CN600 and | |||||||||
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| CN701 : | CN603 are connectors with | |||||||||
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| locking mechanisms: as such, | ||||||||||
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| CN600 : TE sensor (2P: white)* | ||||||||||
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| to disconnect them, they must | ||||||||||
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| CN700 : PMV (6P: white) | ||||||||||
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| be pressed in the direction of | ||||||||||
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| CN603 : TS sensor (3P: white)* | the arrow while pulling them | |||||||||
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| CN601 :TD sensor (3P: white)* | out. |
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| CN602 : TO sensor (2P: white) |
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| CN500 : Pressure SW. (2P:white) |
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| NOTE |
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| These connectors have a disconnect prevention |
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| mechanism: as such, the lock on their housing |
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| must be released before they are disconnected. |
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| 2. Remove the control board assembly from the P.C. |
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| board base. (Remove the heat sink and control |
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| board assembly while keeping them screwed |
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| together.) |
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| P.C. board base | |||||||
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| P.C. board |
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| NOTE |
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| Disengage the four claws of the P.C. board base, |
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| hold the heat sink, and lift to remove it. |
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| 3. Remove the two fixing screws used to secure the |
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| heat sink and control board assembly. |
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| 4. Mount the new control board assembly. |
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| NOTE |
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| When mounting the new control board assembly, |
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| ensure that the P.C. board is inserted properly |
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| into the P.C. board support groove. |
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– 101 –