Bought the wrong item?

[coatesg]

12 hours ago, oobydooby said:

Just bear in mind the warning as displayed at FLO Note this power supply is designed for use in dry well ventilated areas.  

If you're using it at night outside I think you might need a damp proof box well ventilated and with possibly a cooling fan to prevent overheating as you don't want it to burn out while imaging or guiding etc.  I used a metal flight case and drilled a hole in the side and attached a computer cooling fan.  That seemed to work for a nights powering my alt az/eq 5 mount.

It's more a safety point that you don't want it being in standing water or getting rained on, or equally in a sealed compartment with no possibility of airflow. 

I have similar 4A and 7A 13.8V supplies that I run my kit from - both have large heatsinks at rear to dissipate heat and produce more than enough heat to not have issues with dew and the like when used outside. 

[JamesF]

9 minutes ago, Captain Magenta said:

best typo I've seen in a while

I was just having a chuckle about that myself

James

[Gina]

Me too ?

[Stub Mandrel]

The 150W power box I made, with 3D printed front panel (let me incorporate 'pockets' for the power connectors:

[JamesF]

What are you heating/cooling there?

James

[Stub Mandrel]

5 minutes ago, JamesF said:

What are you heating/cooling there?

James

Hm, original plan was to use it for the camera but I shorted the sensor to +14V and it died so I have to get a new module ?

But it could potentially be dewstraps fans, anything really...

 

[Carbon Brush]

On 12/12/2018 at 22:29, oobydooby said:

Just bear in mind the warning as displayed at FLO Note this power supply is designed for use in dry well ventilated areas.  

If you're using it at night outside I think you might need a damp proof box well ventilated and with possibly a cooling fan to prevent overheating as you don't want it to burn out while imaging or guiding etc.  I used a metal flight case and drilled a hole in the side and attached a computer cooling fan.  That seemed to work for a nights powering my alt az/eq 5 mount.

Good advice. For those of us too lazy to make a box, or just trying out new kit, the following my be useful.

If you take the supply from a 20C/22C house, and immediately power it up then internal self heating will keep it dry.

If you take it from a cold dry shed and immediately use it outside, the same applies.

Keeping electrical stuff off the ground on a small table also helps discourage condensation as the air is moving around a bit more. It also helps avoid trips in the dark.

If you put it in the garden mid afternoon and leave it unpowered until dark, condensation may form inside, leading to failure.

If you bring it cold from outside and or your shed and power it immediately in your warm humid house, expect problems or even pops and bangs.

Hope this is useful, David.

 

 

 

 

 

[saac]

On 13/12/2018 at 12:21, Gina said:

Me too ?

James F and Gina , I think because we all know the irony of it. Been there and proudly wearing the T shirt  

Jim