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Mend Switchmaster SM905 Home Heating Systems

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Mend repair fix Switchmaster SM905 home heating systems

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Mend Switchmaster SM905 Instructions Wires Terminals

i need fixing instructions for the switchmaster sm 905?

how can i fix my switchmaster sm 905 so that the right wires go to the right terminals

stan
July 2009
SwitchmasterSwitchmaster SM905Heating, Home Heating SystemsInstructions Wires Terminals
Switchmaster 905

L = Live
N = Neutral
1 = C/H On
2 = C/H Off
3 = H/W On
4 = H/W Off

Data from....

http://www.heatweb.com/pdf/Invensys/Programmer%20Compatibility%20Chary.pdf

Peccavi
July 2009

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