Carrier bryant Multi-Zone 38MARBQ09 18AA3 Series Service Manual page 66

38MGR30 Outdoor Unit
Control Box & Main PCB Removal (page 2 of 5)
PCB Removal for 30K Units
Cut and remove some of the zip ties that help secure the excess wire in
place. Disconnect all wire harnesses, most have a short extension that you
can separate instead of trying to disconnect directly from the PCB.
Remove the one screw shown in Red.
Some connections have small keepers holding
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them in place, these do not have to be reinstalled.
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