Harman® • P42i Pellet Insert Installation Manual • 2023 -___ • 08/2320 8742-901D
I. Manufactured Home Installation
YoumustuseaHarman®OutsideAirKitforinstallationina
manufactured home.
1. An outside air inlet must be provided for the combustion
airandmustremainclearofleaves,debris,iceand/or
snow. It must be unrestricted while the appliance is in
use to prevent room air starvation which causes smoke
spillage.Smokespillagecanalsosetosmokealarms.
2. The combustion air duct system must be made of metal.
Itmustpermitzeroclearancetocombustibleconstruction
and prevent material from dropping into the inlet or into
the area beneath the dwelling and contain a rodent
screen.
3. The appliance must be secured to the manufactured
homestructurebyboltingittotheoor(usinglagbolts).
Use the sameholes thatsecured the appliance to the
shipping pallet.
4. The appliance must be grounded with #8 solid copper
grounding wire or equivalent, terminated at each end
with an NEC approved grounding device.
5. Refer to “Clearances to Combustibles and Floor
Protection” section of this manual for listings to
combustibles.
6. Use silicone to create an eective vapor barrier at
the location where the chimney or other component
penetratestotheexteriorofthestructure.
7. Follow the chimney manufacturer’s instructions when
installing the vent system for use in a manufactured
home.
8. InstallationshallbeinaccordancewiththeManufacturers
Home&SafetyStandard(HUD)CFR3280,Part24.
THE STRUCTURAL INTEGRITY OF THE
MANUFACTUREDHOMEFLOOR,WALLANDCEILING/
ROOFMUSTBEMAINTAINED.
DoNOTcutthrough:
• Floor joist, wall, studs ceiling trusses.
• Anysupportingmaterialthatwouldaectthestructural
integrity.
SparkArrestorCap
RoofFlashing
ApprovedClass”L”or
“PL”PelletVent
JoistShield/Firestop
StormCollar
Asphyxiation Risk:
NEVERINSTALLINTOASLEEPINGROOM
Consumesoxygenintheroom
WARNING
Installation must comply with Manufactured Home
and Safety Standard (HUD), CFR 3280, Part 24
WARNING
CAUTION
Never draw outside combustion air from:
• Wall,oororceilingcavity.
• Enclosed space such as an attic or garage.
CAUTION