Hey Matey
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Because I didn’t have the luxury of Running up & bench testing the heater before installation, I just replaced the green fuel lines with white Nylon, Filled the Tank with Fuel, Primed the system, Connected up the Air intake (taken from inside the Fire Box housing I constructed to House the heater with Flor Vent), Fitted the Exhaust through a heat shield that went through the floor with High temperature Gunky stuff, Wrapped the whole lot in Furnace Wool, Tested the TWO strategically placed Co Alarms & the Single Combination Co & Fire alarm & Fired it up with me standing by with a Fire extinguisher & a mate with his thumb on the Remote Stop.
YES, it initially Smoked (Set the Smoke alarm off a I shxt Donuts for a minute or two) & Smelled for the first 10min while it burned off Oils & Whatever for the first 15min Test. I took the furnace wool out & inspected the floor, Walls & anything else I could looking for signs of Warmth or Leeks along the way. But the Initial 15min Test & The second 30min Test Both went without incident.
I then bit the Donut & Ran it for an Hour for the final test & subsequent inspection & noticed around 20 minutes or so into that there was absolutely NO smell at all, & has run Clean & Faultlessly for around 185 hours since often for 5 or 10 hrs at a time again without incident or smell from Unit OR Diesel tank.