How to wire relay to control my 1hp chiller with Apex controller

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cb684

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Any one?
Does it matter which wire (black/white, not green) to connect to the switch if I am using AC?
Thanks
CB
 
Use a relay to break or make the black wire :-)
20 years as a controls specialist and electrician so any questions ask away !
 
1-Black FOR chiller
2-the same black FROM chiller
3- Black from Apex
4-White from Apex
Is that correct? IMG_1314.JPG
 
Great. Thanks a lot.
 
Well, one more question. If I want to use these with a 240V, do I need 2 of those?
 
No cause even at 240v you only need to break one leg of it :)
It is best to use a DPST relay at 240v though for safety reasons
 
Is there a "relay" that is normally closed (turned ON) when outlet is off, and will open (turned OFF) only when energy is on?
 
Have you looked at an ice cube relay? They have n.o and n.c
 

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