Carrier bryant Multi-Zone 38MARBQ09 18AA3 Series Service Manual page 69

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38MGR30 Outdoor Unit
Control Box & Main PCB Removal (page 5 of 5)
PCB Removal for 30K Units
Some wires will be
reused if replacing
Reverse steps to reinstall.
either PCB.
Also at this point , disconnect the Red & Black
wires going to L1 & L2.
Inverter PCB
Main PCB

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