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TWK351 Wire Converter
The model TWK351 is an adapter used in instances where there is existing 3-wire (2-conductor + shield) room wiring.
The TWK351 cannot be used with the SCR25A module. If 3-wire operation using the TWK351 wire converter is desired,
CA10A call switches must be used (CA11A Call-In switches will not work in this application).
To install the TWK351, simply insert it between the 9-pin connector labeled TO SWITCHBANK on the rear panel of the
MCP35A and the 9-pin control cable on the first SBA225 panel. Only one TWK351 is required per system.
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