TriMetric install on a 17B - Escape Trailer Owners Community

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Old 03-25-2019, 08:05 AM   #1
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TriMetric install on a 17B

We ordered our 17B with the dual 6V batteries and solar option. I'll probably add a battery monitor after picking up the trailer. At this point I like the TriMetric.

We will have the permanent double bed install, so the "converter" will be moved, I believe to under the passengers side dinette seat. I assume the surge protector will also be installed there. The photographs I've seen of Escapes show the solar charger control in the upper cabinet above the galley. The two 6 V batteries will be on the rear bumper.

I assume there is a master battery power switch on these trailers. That would be the obvious place to me to install the shunt for a battery monitor. Any idea where they might install this in our build ?

It would be nice to be able to eye ball the battery monitor easily so if it were installed in an upper cabinet that would be best. Would it be easy to fish a wire from under the passengers dinette seat to the upper cabinet through the closet ?

Any advice ?

Bob
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Old 03-25-2019, 01:05 PM   #2
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I asked the above questions of Escape and they sent me a few pictures of the install.

The battery master switch, converter and surge protector move to the drivers side dinette seat the solar controller is in the upper cabinet above the galley.

The master switch appears to be a toggle, looks like an odd choice to mount below where someone will be sitting. I'll be changing that I think.

I hope the master switch does disconnect the solar controller. I've followed up with Escape to confirm this.

Here are the pictures supplied by Escape,
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Old 03-25-2019, 03:19 PM   #3
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The battery disconnect switch normally does not disconnect the solar charge controller from the battery, because it is intended as a storage switch (preventing unwanted power drain), not a master shutoff for safety. The solar system can keep the battery charged during storage (if it has sun exposure).

Even aside from the solar system, the disconnect switch is not a suitable location for a current measurement shunt. The shunt needs to intercept all current, and the way to do that is to install it in the negative cable at the battery.
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Old 03-25-2019, 07:53 PM   #4
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Bob:

I've run quite a few wires to the upper cabinets in our '19. I ran them behind the corner trim. Worked well for me. Not sure how similar the '17 corners are but might work.

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Originally Posted by Lanark Camper View Post
It would be nice to be able to eye ball the battery monitor easily so if it were installed in an upper cabinet that would be best. Would it be easy to fish a wire from under the passengers dinette seat to the upper cabinet through the closet ?

Bob
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Old 03-26-2019, 05:25 AM   #5
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Bob:

I've run quite a few wires to the upper cabinets in our '19. I ran them behind the corner trim. Worked well for me. Not sure how similar the '17 corners are but might work.
thanks, that's a good tip, I'll keep it in mind.
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Old 03-26-2019, 05:38 AM   #6
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I sent ETI the cabless for my Trimetric and had them run them, don't recall the price, if there was one. Don't have a 17, but I had them run from just inside the entry door, on yours it would be on the side of the wardrobe cabinet, to the batteries.

Just a guess, but I'd think the batteries run into the trailer at the converter. Depending on the distance of the cable, that's where I'd look to put the shunt. I replaced the negative battery cable with 0awg from the shunt to the battery/s.
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Old 03-26-2019, 05:46 AM   #7
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Originally Posted by Brian B-P View Post
The battery disconnect switch normally does not disconnect the solar charge controller from the battery, because it is intended as a storage switch (preventing unwanted power drain), not a master shutoff for safety. The solar system can keep the battery charged during storage (if it has sun exposure).

Even aside from the solar system, the disconnect switch is not a suitable location for a current measurement shunt. The shunt needs to intercept all current, and the way to do that is to install it in the negative cable at the battery.
OK that makes sense. I think I'll be adding a Bluesea master disconnect switch, and a disconnect for the solar panel controller.
So I guess the negative battery terminal goes straight to the trailer frame as in an automobile. In that case the shunt then needs to be installed outside the trailer in a sealed box between the ground connection and the battery.

Bob
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Old 03-26-2019, 05:51 AM   #8
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Quote:
Originally Posted by padlin View Post
I sent ETI the cabless for my Trimetric and had them run them, don't recall the price, if there was one. Don't have a 17, but I had them run from just inside the entry door, on yours it would be on the side of the wardrobe cabinet, to the batteries.

Just a guess, but I'd think the batteries run into the trailer at the converter. Depending on the distance of the cable, that's where I'd look to put the shunt. I replaced the negative battery cable with 0awg from the shunt to the battery/s.
thanks, yes originally I was thinking that both battery cables would run to the converter being a fiberglass trailer, but now I'm thinking they ground the negative cable to the trailer frame at the battery....I'll contact ETI and ask them about the options on this. I downloaded the owners manual but it does not provide any information about the electrics.
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Old 03-26-2019, 06:00 AM   #9
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looking at the photograph of the converter install there are both black and red cables, if the battery negative does run to the converter before being grounded then I could ask ETI to run the solar controller output to the converter instead of straight to the batteries.
Bob
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Old 03-26-2019, 08:56 AM   #10
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The TriMetric, due to the way it is wired, is not turned off via the master switch. The wiring harness from TriMetric, that Escape installed, has an inline fuse. This is the best method of disabling the TriMetric during winter storage. Just be sure that the fuse is easily accessible to facilitate that process. Mine ended up in the battery box making it necessary to open the box to access the fuse, something I easily rectified.
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