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Joined: May 2007
Posts: 5,058 Likes: 5
Moderator-1A2, Cabling
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Moderator-1A2, Cabling
Joined: May 2007
Posts: 5,058 Likes: 5 |
I'm going to have to look at the 501 paperwork closely, but essentially, you want to replace 105V +/- on RB/RG with 18vAC & ground.
If you're not sure, turn on the system. Put a butt set or meter across RB/RG. Do you hear/see 105V? Remove the wiring and safe them. Repeat till there is no voltage on RB/RG.
Replace the wiring with 18VAC and Ground..
Test.
I'll try to look a the prints later.
Sam
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