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Step
4
Disconnect three wire connectors from the edge connectors (Phv, Pan and Pcpu) on the power
distribution PWA. See Figure.
Connectors for
Transformer cables
5
Disconnect wire connector from Ppwr connector on power distribution PWA.
Remove black and gray wire leads at pins 5 and 6 of the connector. Mark as necessary for
reassembly.
6
Disconnect cable from P5 connector on the main PWA. Disconnect ribbon cable from P4 connector
on the Main PWA (if present). See figure.
7
Cut any cable ties to free the transformer wires from other cables, if necessary.
8
Disconnect the green wire of the transformer from the chassis ground connection on the actuator
case.
If adding the local display and keypad function to the actuator, go to step 10.
62-86-33-25
Phv
Pan
Power Distribution PWA
J4
P5
Top Cover Assembly Kit Instruction, continued
Action
Pcpu
Ppwr
Pmtr
Main CPU
PWA
Procedure continued on next page ⇒
P4
Page 3 of 5
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