I've got a whole house fan (QC-6400), which is a pair of dual-speed fans. Energize one line for high speed, energize a second line for low speed. In the current installation, the fan is controlled by a pair of SPDT center-off switches. I have a 3-gang box: a timer/master-switch in gang 1, and one SPDT center-off in each of the other two gangs. My initial plan is to replace the timer with the 6-button Insteon key pad and the two switches with micro open/close relays, which should all fit nicely in the 3-gang box.
But is the micro open/close the right part? I could also use a pair of micro on/offs to replace each switch. Slave one micro on/off to the other in the gang to give me high and low for one fan, so four micros total to replace my current set up. Which of these solutions is correct? Am I just way off?
For reference, wiring instructions for my fan are at https://quietcoolsystems.com/wp-cont...2017_email.pdf. Section 4-3 (page 16) shows my fan, but the associated diagrams are not the one my contractor used. Rather he wired both fans like Figures C and D, which I'm glad he did. It gives me more CPF options.
But is the micro open/close the right part? I could also use a pair of micro on/offs to replace each switch. Slave one micro on/off to the other in the gang to give me high and low for one fan, so four micros total to replace my current set up. Which of these solutions is correct? Am I just way off?
For reference, wiring instructions for my fan are at https://quietcoolsystems.com/wp-cont...2017_email.pdf. Section 4-3 (page 16) shows my fan, but the associated diagrams are not the one my contractor used. Rather he wired both fans like Figures C and D, which I'm glad he did. It gives me more CPF options.
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