Light replacement

lborne

Well-known member
Jun 29, 2009
467
Vero Beach, FL
I'm changing out a Savi Melody LED light. Do I need to drain below, or can I do it wet? Is there any harm in having the conduit flooded?
 

JasonLion

TFP Expert
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LifeTime Supporter
May 7, 2007
37,879
Silver Spring, MD
You should be able to remove the light fixture, usually with a single screw, and lift it on to the deck and work on it there.
 

denisbaldwin

LifeTime Supporter
Mar 23, 2010
252
Are you just changing out the bulb or the whole unit with cable and everything? I'm having to do the cable/ballast/light/all of it in the coming months. Not looking forward to that.
 

lborne

Well-known member
Jun 29, 2009
467
Vero Beach, FL
Sorry for not explaining. The Savi Melody and its cable are all one single unit with no replaceable parts. It fits in a standard return fitting. So through the pool wall I have 1-1/2" PVC pipe that transitions to electrical conduit after a few feet. I need to pull the light body and cable out and pull a new one through.[attachment=0:1q90sf16]savi.jpg[/attachment:1q90sf16]
 

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JasonLion

TFP Expert
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May 7, 2007
37,879
Silver Spring, MD
If everything was installed correctly there should be a junction box somewhere not too far from the light where the other end of the cable is connected to the power wire coming from the switch/automation system. You will need to connect a string to the existing cable, pull the cable out, attach the new cable to the string, pull the string through and connect the new cable back to the power wire in the junction box. All of this can be done with water in the pool as long as the power is off.
 

brownsburg

Well-known member
Aug 29, 2010
111
Wow.
Why may I ask do you have to change the light? there supposed to last over five years.

I have one in the box in front of me and it says that the wire is not to be cut and must run right up to the 12v transformer(in the pool house). There's no niche, there's a retaining ring that holds it into the 1.5 return type fitting. This ring needs either the proper Nexxus key or a pair of needle nose pliers to turn it.

I would think that if you didn't lower the water level the pipe would fill up with water when you pull the old one out and make for a tough time getting the new one in.

Good luck
 

lborne

Well-known member
Jun 29, 2009
467
Vero Beach, FL
Jason - Thanks. I've got a nylon fish tape so can easily get the light in. I just wanted to know if I should try to keep the conduit dry, or if flooding was OK. I'm not even sure the electrician glued the fittings together - espeically where it necks down from PVC to the grey conduit.

Brownsburg - Letting water into conduit is not going make it more difficult to fish the wire. If anything, it might make it easier by lubricating the cable. But that's not a concern because I've already fished one through the longest run which is my spa - for that, I drained it into the pool. I did not buy their special tool as I have a spanner wrench.

I've now had 4 of these Savi Melody lights flood. The first one was just a couple weeks after the build in the spa, and the PB was able to get me a new one, which I replaced. Now, that one plus the 2 in the pool have flooded. The company sent me 3 new ones. These are a different design than the older model. Instead of the electronics in a separate housing, everything is in a single housing. Google Savi Melody images and you'll see the old style. Anyway, I still was not confident in their connector where the cable goes into the housing, so I've potted the ends with industrial 2 part epoxy which I use routinely at work. So hopefully, none of these will flood.

By the way, 2 still work while partially flooded. When the one started going crazy, I jumped in with a mask and saw it had water. Checked the others and they did too.

I'll post photos when I've pulled them.
 

brownsburg

Well-known member
Aug 29, 2010
111
I'd love to know where they leak from once you've pulled it. I have one to put in and don't plan on replacing it every few years.
I think that I'm going to run a full 1.5" conduit so that I can pull it if it dies and put in a return or a vacuum line.

Can't wait to see photos.
 

Nightmare

LifeTime Supporter
Jan 21, 2011
352
Riverside, CA
I don't know if the conduit is ever dry. My conduit is run to a place near the equipment and then brought up a couple feet above water level. The PB made it sound like the conduit could be full of water all the time, just like the air intake for my spa.

I didn't see them install the Jandy LEDs, so I don't know if they have a rubber gasket on the back of the light assembly or not.
 

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lborne

Well-known member
Jun 29, 2009
467
Vero Beach, FL
brownsburg said:
I'd love to know where they leak from once you've pulled it. I have one to put in and don't plan on replacing it every few years.
I think that I'm going to run a full 1.5" conduit so that I can pull it if it dies and put in a return or a vacuum line.

Can't wait to see photos.

That is a great idea to run 1.5" all the way.

All I can say right now is that the light housing is flooded, but I don't know about the electronics housing yet. At first I suspected improper installation - that the PB cracked them during installation. If you knew my PB, having all 3 cracked would not be unusual. So I was very careful when I installed the replacement in the spa - but now it is leaking. So the only place it could be is the connector at the back, which did not look all that water tight to me, which is why I potted the entire connector and a few inches of cable. In the least, I'd caulk the **** out of that area and then wrap it with rubber tape.

I'll take one apart and add some pressure to the connector end to see if there are any cracks in the housing.
 
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