cw3000 chiller fan

[xian_crigler]

hi, first post here.
simple question, is the fan on the back of the cw3000 run all the time when the unit is on? or just after it reaches curtain temp?

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[Dean448]

Pumps all the time but fan only runs when it hits a certain temperature


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[xian_crigler]

thanks, any idea what temp it starts at? our temp has hit 45c with no fan... kinda want it to stay cooler than that, so the laser stays happy.

[Dean448]

That’s way warm. Seem to recall 20C.
I have a CW3200 (compressor type) on a laser that I set at 16. I use the CW3000 on a water cooled spindle. It’s not well suited for a laser.


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[Dean448]

Use to run a small radiator in ice water when on the laser. A real pain to have to use ice.


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[xian_crigler]

thanks, i think the fan may be defective. this is a new unit. we are trying to return it.
upgrading to the cw5200, but need to cut for orders, so trying to get by till new unit arrives.

thanks for the quick replies.