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Thread: Power for Camera Cooler

  1. #1
    sketrip's Avatar
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    Default Power for Camera Cooler



    What the heck, the nameless ones cover the sky new equipment or not...

    Speeding toward me is an ASI294MC Pro - The cooler part is new to me.
    Attempting to keep as few cords as possible running up the mount.
    For DC power I use a Pyramid 13.8V 10A bench power supply.

    The Dew Buster has 2 RCA Pass-Through 12V Power Outlets - Are they usable to power the
    Cooler for the ASI294MC Pro?

    Alternatively how do you power your camera cooler?
    OleCuss likes this.
    Moving on.......

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    Default Re: Power for Camera Cooler

    I believe you need to feed the cooler 3 amps. I seriously doubt that 13.8 volts would hurt it, but I'm not the expert on that.

    And congratulations on having a fine camera on its way to your system!!!
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    Default Re: Power for Camera Cooler

    The TEC used for the ASI294MC Pro is a rather efficient 2-Stage unit. It may well spike at 3A+ Draw for a very short period if set for 100% Cooling, but will usually draw much less.

    You will want to consider a separate Power Feed with larger gauge wire in order to avoid the Voltage Drop over the moderate to long length from your Power Supply to handle that Peak Draw.

    I would suggest that you not use the Pass-Thru on your DewBuster, even though those Ports are intended for 12V Draws - specifically because the DewBuster literature ensures to detail those Pass-Through Ports are Not Voltage Regulated. (Yet, due to being supplied via the same Power Connector as the rest of the DewBuster, these Ports would be affected if one of the Dew Heaters suddenly pulled a Heavy Draw...)
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    Default Re: Power for Camera Cooler

    Congrats on the camera. That's the one I got too. Forgot to order the cooler power supply so
    just got what was recommended by ZWO. It came a week or so ago. Haven't got any images yet.
    Still stuck on polar alignment issues. Things have changed greatly since the last time I used a scope.
    1960s/1970s to now.

 

 

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