Slowing down a FantasticVent

Anything electric, AC or DC

Re: Slowing down a FantasticVent

Postby MtnDon » Wed Jan 06, 2016 2:33 pm

A further thought on the wall mounted touch type dimmer... My experience with another DC touch dimmer indicates it has a low draw all the time. The unit I have draws zero after the power is switched off and back on. But as soon as the control is touched it has a continuous draw to remember the last used setting. It is a low draw, but I have never metered it. I do not believe it would be a concern in ordinary use. However, when parked and stored I don't know.
Our 6x12 deep vee nose cargo trailer camper conversion... viewtopic.php?f=42&t=58336

We have a small off grid cabin we built ourselves in the NM mountains; small PV solar system; 624 watts PV, Outback CC & inverter/charger ...
User avatar
2000 Club
2000 Club
Posts: 2118
Images: 24
Joined: Sun Aug 19, 2012 10:57 pm
Location: New Mexico

Re: Slowing down a FantasticVent

Postby dales133 » Wed Jan 06, 2016 4:32 pm

Id agree with you mtndon on tbe chinese componants.
Ive recieved stacks of small electrical and other parts and if your prepared for a verry small percentage of duds you can save alot of money
User avatar
4000 Club
4000 Club
Posts: 4603
Images: 1
Joined: Mon Oct 13, 2014 5:26 pm

Re: Slowing down a FantasticVent

Postby vegask » Fri Mar 25, 2016 4:25 pm

Just tried two different PWM controllers that were on amazon, both by RioRand. One had a reverse option, the other did not. The one with the reverse option made a ton of high freq/high pitch noise at low speeds. The non-reverse model made a grinding sound in the fan motor at low speeds. So both are on their way back to amazon, I have a 50ohm 25 watt rheostat on order I will try next.

Video of the reversing pwm model I tired.
User avatar
Teardrop Advisor
Posts: 65
Joined: Mon Aug 03, 2015 5:44 pm
Location: Reno NV

Re: Slowing down a FantasticVent

Postby rbtrary » Tue Mar 17, 2020 3:27 pm

Here's a video of 50 ohm 25 watt rheostat for variable speed control on Fantastic Fan. replaces the fixed 3 speed switch. on/off using in/out switch. super slow and quiet, mid speed and full speed.
Teardrop Inspector
Posts: 8
Joined: Thu Jan 03, 2013 5:38 pm


Return to Electrical Secrets

Who is online

Users browsing this forum: No registered users and 4 guests