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Navien NCB-H 240 - Honeywell T-Stats
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Chris_102
Member Posts: 19
I am installing a Navien NCB-H and I would like to use 2 Honeywell zone valves. Looking at the wiring diagram I don’t see “TT.”
im going to assume I can wire one yellow to normally Open and the other yellow to “common” I don’t know where to connect the red wires as I didn’t see a end switch for this. Any Information? Thanks!
im going to assume I can wire one yellow to normally Open and the other yellow to “common” I don’t know where to connect the red wires as I didn’t see a end switch for this. Any Information? Thanks!
0
Comments
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You don't use the red wires, just the yellow as you wrote. Control board takes care of it0
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Hello @Chris_102,
I suspect there is some language translation issues. If you use the connections in the second image, I would verify the power and functionality.
https://www.navieninc.com/downloads/ncb-h-installation-and-operation-manual-en
National - U.S. Gas Boiler 45+ Years Old
Steam 300 SQ. FT. - EDR 347
One Pipe System
1
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