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CSL Part Number: 121433
Product Overview: A control board for ductless mini-split HVAC systems, managing indoor/outdoor unit communication, compressor operation, and temperature regulation. It uses S1-S2-S3 terminal wiring, with S1-S2 supplying 240V and S2-S3 carrying the signal line for coordinated heating and cooling control.
Category: Control Board
Manufacturer: Mitsubishi
Manufacturer Synonyms: Mitsubishi Electric Corp
Manufacturer Part Number: DM76Y379G07
Also Known As(AKA): DM00J345
Limited Repair
The Mitsubishi part number is only available as a limited repair at our facility. Repairs to this item may be limited due to several reasons:
- Availability of parts
- Less than 100% test ability due to required support equipment
To have us attempt a repair on your Mitsubishi part follow these steps:
Step 1 -
Click the Repair Now button above to add the part and complete the RMA form.
Step 2 -
Print the RMA form that is sent to your email, and put it in the box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
After we receive your item, we will perform an inspection and an authorization to repair will be sent for your approval. Work will begin after your authorization is received.
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