7
P61A!Pellet!Stove
Venting
A!combustion!blower!is!used!to!extract!the!com-
bustion!gases!from!the!firebox.!This!causes!a!negative
pressure!in!the!firebox!and!a!positive!pressure!in!the
venting!system!as!shown!in!fig.!7.!The!longer!the!vent
pipe!and!more!elbows!used!in!the!system,!the!greater
the!flow!resistance.!Because!of!these!facts!we!recom-
mend!using!as!few!elbows!as!possible!and!15!feet!or
less!of!vent!pipe.!The!maximum!horizontal!run!should
not!exceed!48".!If!more!than!15!feet!of!pipe!is!needed,
the!diameter!should!be!increased!from!3"!to!4"!because
a!larger!pipe!causes!less!flow!resistance.!Be!sure!to
use!approved!pellet!vent!pipe!wall!and!ceiling!pass
through!fittings!to!go!through!combustible!walls!and
ceilings.!Be!sure!to!use!a!starting!collar!to!attach!the
venting!systen!to!the!stove.!The!starting!collar!must
be!sealed!to!the!stove!with!high!temp!silicone
caulking.
Outside!air!flex!pipe
goes!here
Inlet!Cover!part#
1-10-08543
Flex!pipe!part#
2-00-08543
HRV
When!installing!in!a!house!with!a!Heat!Reclaiming
Ventilation!System!(HRV)!be!sure!the!system!is!balanced
and!is!not!creating!a!negative!pressure!in!the!house.
Outside!Air
Outside!air!is!optional!except!in!mobile!homes!and
where!building!codes!require.!!The!benefit!of!outside!air
is!mainly!noticed!in!small!very!tight!houses.
To!install!outside!air!use!2!3/8"!I.D.!flex!pipe!part
number!2-00-08543.!There!is!a!break-away!hole!on
the!rear!panel!which!must!be!removed!before!connect-
ing!the!flex!pipe.!The!pipe!should!be!run!outside!and
terminate!to!the!side!or!below!the!vent!pipe!outlet!so!the
flue!outlet!is!more!than!12"!from!the!inlet!cover.The!maxi-
mum!length!run!of!this!pipe!is!15!feet.!If!a!longer!run!is
needed!the!size!must!be!increased!to!3".!Inlet!cover!part
number!1-10-08542!should!be!used!to!keep!birds,!ro-
dents!etc.!out!of!!the!pipe.
.
Vent!Pipe
Pellet!venting!pipe!(!also!known!as!PL!vent!)!is
constructed!of!two!layers!with!air!space!between!the
layers.!This!air!space!acts!as!an!insulator!and!reduces
the!outside!surface!temperature!to!allow!a!clearance!to
combustibles!of!only!3!inches.!The!sections!of!pipe!lock
together!to!form!an!air!tight!seal!in!most!cases;!however,
in!some!cases!a!perfect!seal!is!not!achieved.!For!this
reason!and!the!fact!that!the!P61!operates!with!a!positive
vent!pressure!we!specify!that!the!joints!also!be!sealed
with!!clear!silicone.
!!+!=!Positive!static!pressure
!!!!!=!!Negative!static!pressure
!!!!!!!!!!!!!!!!!!!!!!!!!!Fig.!7
Venting
IMPORTANT!NOTICE
Pellet!Vent!Pipe!or!PL!Vent!Pipe!Must!be!used.