Diesel_411

I am about to to pull the trigger on a new Espar D5 coolant heater.
I just have a few questions about the install, that I will be doing myself because I cannot afford to have someone do it.
Where have you guys mounted yours?, most of the places mount it in the engine compartment, but I do not want to crowd up my engine even more.
I have replaced all my fuel lines with rubber 1/2" line, could I just splice in a T prior to my Airdog unit and run a fuel line to my Espar?
Thank-You

Tate

I mounted mine on the drivers frame rail, right tight to the engine. On a 4x4, just put it ahead of the bracket for the loxer control arm. Its raised on the frame rail and fairly easy to figure out. If its a 2wd, there is a big 1.5" hole in the frame. It was basically centered on that hole. Coolant lines supplied were long enough, although I did find the stock lines in my 12v wanted to kink. Luckily I had about 10" of stiffer 5/8" line to replace it with. The Espar lines are 18mm, where stock is 5/8" (16mm). The stock lines will stretch enough to take the 18mm nipples (ran it that way for just about two years, no problems), but if you are using stiffer hose instead of stock stuff, get some 5/8 to 3/4" barbed fittings. You can tee in before your airdog if you like. I used the draw straw provided (no risk of the air dog trying to suck the fuel out of the espar), and I used the aux. stock pickup on the second install. Both have been working flawlessly.

Electrics is pretty easy on this unit. Positive and negative connections is straight forward. For the fan control, there is a 14ga green wire that is your fan power. Cut and splice that into the espar harness for it to kick on when the espar gets warm enough. I've heard of a wire with a pin on it for the fan control from the espar. Mine has two wires though that you tie into each end of the now cut green wire. If you only have the 1 wire hook up, disregard this bit.

Flatbed24v

can some one please explain what this espar d5 coolant heater is and what it's used for

Fueling around

http://www.espar.com/html/products/coolantheaters.html
Exactly as the name says, coolant heater. It is small boiler that draws tank fuel and warms the engine coolant. Really nice option when the temps dips a bit.

Flatbed24v

Ok so it runs on fuel and not electric? I was wondering what a coolant heater had to do with the fuel system

Fueling around

Both fuel from tank and electrical power from the batteries. I think they consume about 4 amps to run the induction motor and circulating pump. The heating part draws less than 1/2 gallon per hour

Diesel_411

How hard is the wiring part?

Tate

Easy. Its a 4 wire hook up, other than terminating the connectors. All the wiring schematics are there to tell you what to hook up and where.

Diesel_411

How many hours should I give myself? I installed my AirDog by myself.

Tate

I'd give yourself a full day for it. If you're hooking up just before the airdog, that will save you quite a few hours there, as I lifted my bed to get at the fuel tank. Mount heater, hook up fuel line, hook up intake and exhaust, connect to coolant. Wire it up, get the air bled out of the system then do the test fire.

Diesel_411

Hey Tate, can you send me a couple of pics of your mounting location.

Tate

You'll have to wait a couple days, I'm out of town on a job. Should be home before the weekend and I can hook you up.

bigd450

I mounted mine to the skidplate for my transfer case fit's decent its protected and I haven't had any problems with it there. For my fuel line I ran it to the top of my fuel tank and there is an 2nd port that was cap that I connected to. There was enough room to get at it with out dropping the tank or lifting the bed. Took a good part of the day to install but I also did the 7-day timer and connected my remote starter to be able to start it too.

Erska

I have Espar dw5.

I installed it under the drivers side battery.

I had to replace the sound horns and cut a little piece of the passanger side battery holder.

http://img259.imageshack.us/img259/7775/im000079ce6.jpg
http://img165.imageshack.us/img165/2715/im000089rg3.jpg

I wired it to the relay box under the hood, so you don't have to wire anything inside of the cab, except the digital clock.

And here's the topic what I made:
https://www.dieseltruckresource.com/...d.php?t=134656

Diesel_411

I would mount it above the XCASE skidplate, but my airdog is already there.