Harman PC45 Installation instructions

R1
SAFETY!NOTICE
PLEASE!READ!THIS!ENTIRE!MANUAL!BEFORE!YOU!INSTALL!AND!USE!YOUR!NEW!ROOM!HEATER.!!FAILURE!TO
FOLLOW!INSTRUCTIONS!MAY!RESULT!IN!PROPERTY!DAMAGE,!BODILY!INJURY,!OR!EVEN!DEATH.
FOR!USE!IN!THE!U.S.!AND!CANADA.!!SUITABLE!FOR!INSTALLATION!IN!MOBILE!HOMES
IF!THIS!HARMAN!STOVE!IS!NOT!PROPERLY! INSTALLED,!A!HOUSE!FIRE!MAY!RESULT.!!FOR!YOUR!SAFETY,!FOLLOW
INSTALLATION!DIRECTIONS.
CONTACT!LOCAL!BUILDING!OR!FIRE!OFFICIALS!ABOUT!RESTRICTIONS!AND!INSTALLATION!INSPECTION
REQUIREMENTS!IN!YOUR!AREA.
CONTACT!YOUR!LOCAL!AUTHORITY!(SUCH!AS!MUNICIPAL!BUILDING!DEPARTMENT,!FIRE!DEPARTMENT,!FIRE
PREVENTION!BUREAU,!ETC.)!TO!DETERMINE!THE!NEED!FOR!A!PERMIT.
CETTE!GUIDE!D'UTILISATION!EST!DISPONIBLE!EN!FRANCAIS.!CHEZ!VOTRE!CONCESSIONNAIRE!DE!HARMAN!STOVE
COMPANY.
SAVE!THESE!INSTRUCTIONS.
The!Harman!PC!45!Corn/Pellet!Stove
Installation!&!Operating!Manual
R1
ìCe!manuel!est!disponible!en!FranÁais!sur!demandeî

2PC!45!Corn/Pellet!Stove

3
PC!45!Corn/Pellet!Stove
Introduction
Harman!Stove!Company
352!Mountain!House!Road
Halifax,!PA!17032
[email protected]
SAFETY!NOTICE:!!IF!THIS!HARMAN!STOVE!IS!NOT!PROP-
ERLY!INSTALLED.!!A!HOUSE!FIRE!MAY!RESULT.!FOR
YOUR!SAFETY,!FOLLOW!THE!INSTALLATION!DIREC-
TIONS!CONTACT!LOCAL!BUILDING!OR!FIRE!OFFICIALS
ABOUT!RESTRICTIONS!AND!INSTALLATION!INSPECTION
REQUIREMENTS!IN!YOUR!AREA.
Please!copy! your
serial !number!from!the
label!on!your!stove!to
the!box!below.
SERIAL!NUMBER
Assembly!&!Installation 4
Installation !6
Venting !7
Automatic!Operation 13
ESP!Control 17
Maintenance 19
Trouble!Shooting 22
Feeder!Parts 23
Specifications 23
Options 24
Wiring!Diagram 26
Parts!List 27
Warranty 28
Table!of!Contents
The!PC!45!Corn!Stove!makes!burning!corn!more!convenient!than!ever.!Itís!special!Sidewinder!Burn!Pot
allows!corn!to!be!burned!from!three!days!up!to!a!week!without!cleaning,!depending!on!the!cornís!moisture
level!and!burn!rate.
Automatic!Ignition!allows!you!to!fill!the!hopper,!set!your!desired!room!temperature!and!walk!away.!The!PC
45!will!adjust!itís!feed!rate!based!on!the!temperatures!received!by!the!room!sensor,!and!keep!your!home
at!the!set!temperature.
The!PC!45ís!automatic!temperature!control!system!eliminates!the!warm/cold!cycle!associated!with!ther-
mostatically!controlled!heating!systems!and!even!turns!the!PC!45!on!and!off!as!needed.
Our!exclusive!Accordion!Heat!Exchanger!and!Air!Cooled!Combustion!Blower!allows!the!PC!45!to!produce
maximum!heat!without!creating!high!exhaust!temperatures.!The!Outside!Air!option!can!increase!heat
efficiency!even!!more.
The!PC!45!can!burn!corn!with!moisture!levels!up!to!16%,!with!!14.5%!or!less!being!ideal.!It!can!also!burn
pellets!regardless!of!ash!content.!This!allows!you!to!buy!lower!cost!fuel!and!still!achieve!the!same!results.

4PC!45!Corn/Pellet!Stove
!!!!!!!Assembly!and!Installation
Unpacking
The!PC!45!is!bolted!to!the!skid!to!prevent!move-
ment!during!shipping.
To!free!the!stove!from!the!skid!you!must!re-
move!the!hold-down!bolts!in!the!rear!of!the!pedestal
base.
!Installing!rear!cover!panels
The!rear!cover!panels!are!removed!from!the
stove!to!make!it!!easier!to!get!at!the!hold-down!bolts.
The!rear!cover!panels!are!packed!inside!the
hopper!and!should!be!installed!on!the!stove!as
shown.!It!is!recommended!that!the!rear!covers!are
installed!after!the!unit!is!in!place!and!the!vent!pipe!is
installed.
Firebrick
Install!the!firebrick!vertically!on!the!angle!above
the!burnpot.
Rear
Cover!Panels
Fig.!1
Fig.!2
Shipping!Bolts:!These!holes!are
also!used!for!Mobile!Home
Installation

5
PC!45!Corn/Pellet!Stove
Door!Assembly/Installation!Tips
Assembling!the!door
ï!!Referring!to!the!diagram,!note!how!the!various
components!of!the!door!system!fit!together.
ï!!Lay!the!load!door!face!down!on!a!soft!surface.
ï!!Clean!the!glass!and!gold!door!using!a!nonabrasive
cleaner.!Install!the!glass!gasket!around!the!outer!edge
of!the!front!face!of!the!door!glass!carefully!to!insure
proper!sealing.!!Set!the!glass!pane!gently!onto!the
door.!!Install!the!hold-down!clips!and!tighten!with!bolts
as!shown.
ï!!Install!door!on!stove!with!hinge!pins.
ï!Install!door!handle!as!shown!on!the!diagram.
NOTE:!!With!the!flat!surface!of!the!paw!bolt!to!the
inside!of!the!door.
ï!!Turn!the!paw!bolt!"in"!for!approx.!(17)!turns.
ï!!Turn!the!brass!elbow!onto!the!paw!bolt!approx.!(5)
turns.
ï!!Align!the!set!screw!with!the!flat!spot!on!the!paw
and!tighten.
ï!!After!attaching!the!door!handle,!close!and!latch
the!door!by!turning!the!handle!to!the!six!o'clock
position.!!Does!the!door!rope!compress?!!If!not,
loosen!the!set!screw,!turn!the!paw!bolt!one!more
turn!into!the!door.!!Repeat!as!required!to!achieve!a
tight!door!fit.
NOTE:!Remember!to!thoroughly!clean!the!glass!and
the!gold!door!frame!before!lighting!the!stove!for!the
first!time.
Bottom!Glass!Retainer!Clip!Instructions
Follow!the!instructions!in!the!door!kit!except!for!the
bottom!glass!retainers.!Install!the!special!glass
retainer!clips!to!the!bottom!of!the!door.
There!is!a!left!and!right!retainer!clip!with!a!radius!to
match!the!door!bottom.!The!fiber!glass!rope!on!the
clip!must!be!facing!the!stove!body!when!installed,
NOT!FACING!THE!GLASS!!
These!clips!are!designed!to!direct!the!air!wash!air
more!evenly.
(4)!10-24!x!3/8"!button!head!allen
screws!supplied!in!the!door!kit
(1)!left!hand
(2)!glass!retainer!clips
(1)!right!hand
4!!GLASS
RETAINER
CLIPS 4!!GLASS!RETAINER
BOLTS
GLASS
GLASS
GASKET
DOOR
HINGE
PINS
PAW
BOLT
Fig.!3
(2)!Glass!Retainer!Clips
supplied!with!the!door!kit
Fig.!4
Fig.!5
BRASS
HANDLE
HANDLE
BOLT
WOOD
HANDLE
SET
SCREW
Gasket
goes
toward
the!stove
Gasket!goes
toward!the!stove

6PC!45!Corn/Pellet!Stove
6"
Fig.!7
10"
2"
1"
6"
With!Side!Shields
FLOOR!PROTECTOR
6"
Fig.!8
18"
Without!Side!Shields
FLOOR!PROTECTOR
FLOOR!PROTECTOR
Fig.!6
Fig.!9:!Refer!to!page!18!for
detailed!draft!settings!and
adjustment!procedures.
9"-13"
9"-13"
9"!With!Side!Shields
13"!Without!Side!Shields
Installation
Installing
Place!the!stove!on!a!noncombustible!floor!protec-
tor!!that!extends!6!inches!to!the!front,!6!inches!to!the
sides!and!1!inch!to!the!rear!of!the!stove.!The!minimum
floor!protector!material!is!24!gauge!sheet!metal.
Place!the!stove!away!from!combustible!walls!at!least
as!far!as!shown!in!figures!!6,7!&!8.!Please!note!the!differ-
ence!in!side!wall!clearance!with!and!without!side!shields.
Note!that!the!clearances!shown!are!minimum!for
safety!but!do!not!leave!much!room!for!access!when!clean-
ing!or!servicing.!Please!take!this!into!account!when!plac-
ing!the!stove.
Connect!the!power!cord!to!a!120!V.A.C.!60Hz
grounded!receptacle.!(A!surge!protector!is!recommened
to!protect!the!circuit!board).
Prior!to!installing!the!flue!pipe,!connect!a!draft!meter
to!the!stove!as!shown!in!fig.!9.!!(The!draft!meter!must
have!a!minimum!range!of!0"-!0.5").!Turn!stove!to!"TEST"
Mode!and!record!the!draft!reading!______.!After!the!flue
pipe!is!connected,!check!the!draft!reading!again!making
sure!all!doors!and!windows!in!the!home!are!closed.!If
this!reading!is!more!than.05"!higher!than!the!unconnected
reading,!check!for!possible!restrictions!or!the!need!for
outside!air.!(See!page!8).
Mobile!Home!Installation
When!installing!this!unit!in!a!mobile!home!several
requirements!must!be!followed:
1.!The!unit!must!be!bolted!to!the!floor.!This!can!be!done
with!1/4"!lag!screws!through!the!2!holes!in!the!base!plate.
2.!The!unit!must!also!be!connected!for!the!outside
air.!See!page!8.
3.!Floor!protection!and!clearances!must!be!followed
as!shown.
4.!Unit!must!be!grounded!to!the!metal!frame!of!the
mobile!home.
CAUTION:!This!appliance!must!be!vented!to!the!out-
side.
Due!to!high!temperatures,!the!stove!should!be!placed!out!of!traffic
and!away!from!furniture!and!draperies.
Children!and!adults!should!be!alerted!to!the!haz-
ards!of!high!surface!temperatures!and!should!stay!away
to!avoid!burn!to!skin!and/or!clothing.
Young!children!should!be!carefully!supervised!when
they!are!in!!the!same!room!as!the!stove.
Clothing!and!other!flammable!materials!should!not
be!placed!on!or!near!this!unit.
Installation!and!repair!of!this!Harman!Stove!should
be!done!by!a!qualified!service!person.!The!appliance
should!be!inspected!before!use!and!at!least!annually!by!a
qualified!service!person.!More!frequent!cleaning!will!be
required.!It!is!imperative!that!control!compartments,!burn-
ers,!and!circulating!air!passageways!of!the!stove!be!kept
clean.
Mobile home installation should be done in accordance
with the Manufactured Home and Safety Standard (HUD),
CFR 3280, Part 24.

7
PC!45!Corn/Pellet!Stove
Venting
Requirements!for!Terminating!the!Venting
WARNING:!Venting!terminals!must!not!be!re-
cessed!into!a!wall!or!siding.
NOTE:!Only!PL!vent!pipe!wall!pass-throughs
and!fire!stops!should!be!used!when!venting!through
combustible!materials.
NOTE:!Always!take!into!consideration!the!ef-
fect!!the!prevailing!wind!direction!or!other!wind!cur-
rents!will!cause!with!flyash!and!/or!smoke!when!plac-
ing!the!termination.
In!addition,!the!following!must!be!observed:
A.!The!clearance!above!grade!!must!be!a!mini-
mum!of!18".1
B.!The!clearance!to!a!window!or!door!that!may
be!opened!must!be!a!minimum!of!48".1
(!with!outside!air!installed,!18î!)
C.!A!12"!!clearance!to!a!permanently!closed
window!!is!!recommended!to!prevent!condensation
on!the!window.
D.!The!vertical!clearance!to!a!ventilated!soffit
located!above!the!terminal!within!a!horizontal!dis-
tance!of!2!feet!(60!cm)!from!the!center-line!of!the
terminal!!must!be!a!minimum!of!18".
E.!The!clearance!to!an!unventilated!soffit!!must
be!a!minimum!of!12".
F.!The!clearance!to!an!outside!corner!is!11"
from!center!of!pipe.
G.!The!clearance!to!an!inside!corner!is!12".
H.!!A!vent!must!not!be!installed!within!3!feet!(90
cm)!!above!a!meter/regulator!assembly!when!mea-
sured!from!the!horizontal!center-line!of!the!regula-
tor.1
I.!The!clearance!to!service!regulator!vent!outlet
must!be!a!minimum!of!6!feet.1
J.!The!clearance!to!a!non-mechanical!air!sup-
ply!inlet!to!the!building!or!the!combustion!air!inlet!to
any!other!appliance!must!be!a!minimum!of!48î.1
K.!The!clearance!to!a!mechanical!air!supply
inlet!must!be!a!minimum!of!10!feet.1
(with!outside!air!installed,!6!feet!)
L.!The!clearance!above!a!paved!sidewalk!or!a
paved!driveway!located!on!public!property!must!be
a!minimum!of!!7!feet.1,2
!M.!The!clearance!under!a!veranda,!porch,!deck
or!balcony!must!be!a!minimum!of!12!inches.1,3
NOTE:!!The!clearance!to!vegetation!and!other
exterior!combustibles!such!as!mulch!is!36î!as!mea-
sured!from!the!center!of!the!outlet!or!cap.!This!36î
radius!continues!to!grade!or!a!minimum!of!7!feet
below!the!outlet.
1Certain!Canadian!and!or!!Local!codes!or!regu-
lations!may!require!different!clearances.
2A!vent!shall!not!terminate!directly!above!a!side-
walk!or!paved!driveway!which!is!located!between
two!single!†family!dwellings!and!serves!both!dwell-
ings.
3Only!permitted!if!veranda,!porch,!deck,!or!bal-
cony!is!fully!open!on!a!minimum!of!!2!sides!beneath
the!floor.
NOTE:!Where!passage!through!a!wall,!or
partition!of!combustible!construction!is!desired,
the!installation!shall!conform!to!CAN/CSA-B365.
(if!in!!Canada)
VA
=!Vent!terminal =!Air!supply!inlet
Fixed
Closed
Openable
Openable Fixed
Closed
Inside!Corner
Detail
=!Area!where!terminal!is!not!permitted

8PC!45!Corn/Pellet!Stove
Outside!air!flex!pipe
goes!here
Inlet!Cover!part#
1-10-08542
Flex!pipe!part#
2-00-08543
HRV
When!installing!in!a!house!with!a!Heat!Reclaim-
ing!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
connecting!the!flex!pipe.!The!pipe!should!be!run!out-
side!and!terminate!3!feet!or!more!to!the!side!or!be-
low!the!vent!pipe!outlet.!Never!terminate!the!outside
air!above!the!vent!pipe!outlet.!The!maximum!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,
rodents!etc.out!of!!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!per-
fect!seal!is!not!achieved.!For!this!reason!and!the
fact!that!the!PC45!operates!with!a!positive!vent!pres-
sure!we!specify!that!the!joints!also!be!sealed
with!!clear!silicone.
!!+!=!Positive!static!pressure
!!!!!=!!Negative!static!pressure
Venting
Fig.!11
Fig.!10
A!combustion!blower!is!used!to!extract!the!com-
bustion!gases!from!the!firebox.!This!causes!a!nega-
tive!pressure!in!the!firebox!and!a!positive!pressure
in!the!venting!system!as!shown!in!fig.!10.!The!longer
the!vent!pipe!and!more!elbows!used!in!the!system,
the!greater!the!flow!resistance.!Because!of!these
facts!we!recommend!using!as!few!elbows!as!pos-
sible!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!system!to!the!stove.!The!starting!col-
lar!must!be!sealed!to!the!stove!with!high!temp
silicone!caulking.

9
PC!45!Corn/Pellet!Stove
Fig.!12
3!ft.
to
combustibles
3!ft.
to
combustibles
Venting
#1!Preferred!method
This!method!provides!excellent!venting!for!nor-
mal!operation!and!allows!the!stove!to!be!installed
closest!to!the!wall.!Two!inches!from!the!wall!is!safe;
however,!four!inches!allows!better!access!to!remove
the!rear!panel.!The!vertical!portion!of!the!vent!should
be!three!to!five!feet!high.!This!vertical!section!will
provide!natural!draft!in!the!event!of!a!power!failure.
#2!Preferred!method
This!method!also!provides!excellent!venting!for
normal!operation!but!requires!the!stove!to!be!installed
farther!from!the!wall.!The!vertical!portion!of!the!vent
should!be!three!to!five!feet!high!and!at!least!three
inches!from!a!combustible!wall.!This!vertical!sec-
tion!will!provide!natural!draft!in!the!event!of!a!power
failure.
If!the!stove!is!installed!below!grade!the!vent
termination!should!be!at!least!1!foot!above!grade.
CAUTION
Keep!combustible!materials!(such!as!!!grass,!leaves,
etc.)!at!least!3!feet!away!from!the!flue!outlet!on!the
outside!of!the!building.
Fig.!13

10 PC!45!Corn/Pellet!Stove
Fig.!14
Fig.!15
Venting
#3!Installing!into!an!existing
chimney!(!US!only!)
This!method!provides!excellent!venting!for!nor-
mal!operation.!!This!method!also!provides!natural
draft!in!the!event!of!a!power!failure.!If!the!chimney
condition!is!questionable!you!may!want!to!install!a
liner!as!in!method!#6.
#4!Installing!into!an!existing
fireplace!chimney!(!US!only!)
This!method!provides!excellent!venting!for!nor-
mal!operation.!!This!method!also!provides!natural
draft!in!the!event!of!a!power!failure.
The!damper!area!must!be!sealed!with!a!steel
plate!or!fiberglass.!A!cap!should!be!installed!on!the
chimney!to!keep!out!rain.!If!the!chimney!condition!is
questionable!you!may!want!to!install!a!liner!!all!the
way!to!the!top!as!in!method!#5.

11
PC!45!Corn/Pellet!Stove
Fig.!16
Venting
#5!Installing!into!an!existing
fireplace!chimney!(US!and!Canada)
This!method!provides!excellent!venting!for!nor-
mal!operation.!!This!method!also!provides!natural
draft!in!the!event!of!a!power!failure.
In!Canada!and!some!places!in!the!US!it!is
required!that!the!vent!pipe!extend!all!the!way!to!the
top!of!the!chimney.
In!this!method!a!cap!should!also!be!installed
on!the!chimney!to!keep!out!rain.!Be!sure!to!use
approved!!pellet!vent!pipe!fittings.!Seal!pipe!joints
with!silicone!in!addition!to!the!sealing!system!used
by!the!manufacturer.!Pipe!size!should!be!increased
to!4"!using!this!method.
#6!Installing!into!an!existing
chimney!(!US!and!Canada!)
This!method!provides!excellent!venting!for!nor-
mal!operation.!!This!method!also!provides!natural
draft!in!the!event!of!a!power!failure.
In!Canada!and!some!places!in!the!US!it!is!re-
quired!that!the!vent!pipe!extend!all!the!way!to!the!top
of!the!chimney.!The!pipe!or!liner!inside!the!chimney
should!be!4"diameter.
In!this!method!a!cap!should!also!be!installed
on!the!chimney!to!keep!out!rain.
Fig.!17

12 PC!45!Corn/Pellet!Stove
Fig.!18
No!insulation!or
other!combustible
materials!are
allowed!within!3"
of!the!PL!vent
pipe.
PL!vent!manufacturer's
firestop!spacer!and
support
(See!Page!6!for
corner!installation
clearances)
Minimum!flue!vent!configuration
It!is!recommended!that
outside!air!be!installed!with!this
venting!configuration.
Min.!above!ground!level
12"
Storm!collar
Flashing
3"!min. 3"!min.
12"!min.
3"!min.
Venting
Fig.!19
Fig.!20
#7!Installing!through!the!ceiling!vent
Through!the!ceiling!vent,!follow!PL!vent
manufacturers!recommendations!when!using!wall!and
ceiling!pass!through.
DO!NOT!INSTALL!A!FLUE!DAMPER!IN!THE
EXHAUST!VENTING!SYSTEM!OF!THIS!UNIT.
DO!NOT!CONNECT!THIS!UNIT!TO!A!CHIMNEY
FLUE!SERVING!ANOTHER!APPLIANCE.
INSTALL!VENT!AT!CLEARANCES!SPECIFIED
BY!THE!MANUFACTURER
CAUTION
DO!NOT!INSTALL!IN!SLEEPING!ROOM
WARNING
CAUTION
THE!STRUCTURAL!INTEGRITY!OF!THE
MOBILE!HOME!FLOOR,!WALL,!AND!CEILING/
ROOF!MUST!BE!MAINTAINED.
THE!STOVE!IS!HOT!WHILE!IN!OPERATION.
KEEP!CHILDREN,!CLOTHING!AND
FURNITURE!AWAY.!!CONTACT!MAY!CAUSE
SKIN!BURNS.

13
PC!45!Corn/Pellet!Stove
The!PC45!corn/pellet!stove!is!more!than!just!automatic!ignition,!it!is!also!automatic!temperature
control.!The!automatic!system!will!allow!the!fire!size!to!be!adjusted!to!match!the!heating!needs
and!even!put!the!fire!out!if!necessary.!If!heat!is!needed!after!the!fire!is!out,!the!PC!45!will
automatically!re-ignite!and!adjust!the!fire!size!to!match!the!heating!need.!The!totally!automatic
room!sensor!mode!is!recommended!because!of!its!efficiency.
The!unit!can!be!switched!between!"AUTO"!and!"MANUAL"!at!any!time!during!operation.
AUTOMATIC IGNITION/OPERATION
Fig.!21:Room!Temperature!Mode:!This!setting!will!produce
a!room!temperature!of!70!degrees!with!the!distribution!blower
at!medium!speed.
Igniter!switch!to!"AUTO"
Room!Temperature!Mode
In!"Room!Temp!Mode"!heat!output!is!controlled!auto-
matically!by!the!Room!Sensing!Probe.!When!the!Room!Sens-
ing!Probe!calls!for!heat,!the!stove!will!increase!output.!When
the!Room!Sensing!Probe!is!getting!close!to!the!set!tempera-
ture,!the!stove!will!begin!to!level!off!output!and!keep!the!fire
burning!at!just!the!right!temperature!to!maintain!that!setting.
High!output!is!determined!by!the!feed!rate!setting.
This!setting,!generally!on!#2!(corn)!or!#4!(pellet),!can!be
increased!if!higher!burn!rates!are!necessary.
When!burning!corn!the!feed!rate!setting!can!be!ad-
justed!anywhere!within!the!yellow!range!with!a!#3!setting
being!the!maximum!setting,!#1!the!lowest!setting.!This!set-
ting!will!vary!depending!on!the!quality!of!corn!used.
When!burning!pellets!the!feed!rate!setting!can!be
adjusted!within!the!full!range!between!#1!on!the!low!side!to
#6!on!the!high!side.
Overfeeding!is!not!a!safety!concern,!but!the!fire!may
be!pushed!off!the!burnpot!and!extinguish!in!the!ash!pan.
In!"Room!Temp!Mode"!a!constant!fuel!consumption!rate
is!sacrificed!for!exact!room!temperature.!Therefore,!as!it!gets
colder!!more!fuel!will!be!burned!automatically.
The!distribution!blower!speed!will!vary!according!to!the
position!of!the!mode!selector!pointer,!and!fire!size.
Igniter!switch!to!"AUTO"
Stove!Temperature!Mode
This!allows!for!automatic!ignition!upon!start-up!only.
The!unit!can!then!be!set!at!any!desired!setting.!The!heat
output!and!fuel!consumption!will!remain!constant!regardless
of!room!temperature.
The!unit's!low!burn!or!maintenance!setting!is!as!low!as!it
will!go.!It!will!not!go!out!unless!it!runs!out!of!fuel!or!is!turned!off.
Shut-Down!Procedure
To!kill!the!fire!or!stop!burning!the!stove,!turn!the!Mode
Selector!to!"OFF".!This!will!cause!the!fire!to!diminish!and
burn!out.!When!the!fire!burns!out!and!the!stove!cools!down
everything!will!s
top.!NOTE:!The!combustion!blower
motor!will!run!for!5!hours!after!the!stove!is!completely
cool.!This!insures!that!all!fuel!in!the!burnpot!and!ashes
located!in!the!ash!pan!are!completely!cold!before!shut
down!of!the!combustion!motor.
If!you!pull!the!plug!to!shut!down!the!stove,!all!motors!will
stop.!This!may!cause!incomplete!combustion!and!smoke!in
the!firebox.!If!the!load!door!is!opened!the!smoke!may!es-
cape.
The!best!way!to!shut!down!the!stove!is!simply!let!it!run
out!of!fuel,!then!the!stove!will!shut!down!automatically.
This!setting!will!produce!medium!heat!with!the
distribution!blower!on!"low".
This!setting!will!produce!continuous!maximum!heat!output
with!the!distribution!blower!at!full!speed.
Stove!Temperature!Mode
Fig.!22

14 PC!45!Corn/Pellet!Stove
Starting!the!Fire
Igniter!Switch!to"AUTO"(up!position)
Make!sure!the!unit!is!plugged!into!a!120!VAC,!60!HZ
electrical!source.!The!power!light!should!be!the!only
light!lit.!Anytime!there!is!interruption!in!power!at!the
receptacle,!the!combustion!blower!will!run!for!1
minute!after!the!power!is!regained.
1.Turn!the!Mode!Selector!to!"OFF"
2.!Fill!the!hopper!with!corn!or!pellets.
3.!Clean!the!burn!pot!and!housing,!if!necessary.
4.!If!starting!after!an!empty!hopper,!turn!the!feed
adjuster!to!"TEST"!until!the!fuel!is!visible!in!the!auger
tube!opening.!This!also!allows!you!to!check!the
motors!for!operation.
NOTE:!The!auger!motor!will!not!operate!with!the
view!door!or!ash!door!open.
NOTE:!The!initial!start-up!on!a!new!stove!may!require
the!corn!to!be!purged!into!the!burnpot!area!before
continuing!to!step!5.
5.!Turn!the!feed!adjuster!to!#2!(corn)!or!#4!(pellet)
6.!Flip!the!igniter!switch!up!into!the!"AUTO"!position.
7.!Turn!the!temperature!dial!to!the!desired!room
temperature.
8.!Turn!the!mode!selector!dial!to!Room!Temperature
or!Stove!Temperature.
9.!Fill!the!hopper!with!corn!or!pellets!and!remove!the
ashes!as!required.
AUTOMATIC!!START!!UP
"NEVER!USE!GASOLINE,!GASOLINE-TYPE!LANTERN
FUEL,!KEROSENE,!CHARCOAL!LIGHTER!FLUID,!OR
SIMILAR!LIQUIDS!TO!START!OR!"FRESHEN!UP!"!A
FIRE!IN!THIS!HEATER.!KEEP!ALL!SUCH!LIQUIDS
WELL!AWAY!FROM!THE!HEATER!WHILE!IN!USE".
Warning
Fig.!23

15
PC!45!Corn/Pellet!Stove
The!PC45!Corn/Pellet!Stove!is!capable!of!manual!operation.!This!also!allows!the!op-
erator!to!manually!control!operation!during!an!emergency!(i.e.!ignitor!failure,!when!using!a
502H!battery!backup,!or!when!using!certain!generators.)
The!unit!can!be!switched!between!"AUTO"!and!"MANUAL"!at!any!time!during!operation.
NOTE:!When!starting!the!unit!in!the!"AUTO"!mode!and!switching!to!"MANUAL",
the!fire!must!be!large!enough!to!turn!the!ignitor!light!off!(located!on!the!control
board).!This!is!a!signal!that!the!start!cycle!is!completed!and!the!fire!will!not!go!out.
MANUAL!!IGNITION/OPERATION
Igniter!Switch!to!"MANUAL"
Room!Temperature!Mode
The!fire!will!have!to!be!lit!with!starting!gel!and!a
match,!or!started!automatically,!see!"Automatic!Op-
eration".!Turn!to!"Manual"!position!when!the!fire!is!es-
tablished.
The!difference!between!"AUTO"!Room!Tempera-
ture!Mode!and!"Manual"!Room!Temperature!Mode!is
that!the!fire!will!not!go!out!as!the!room!temperature
goes!above!the!control!board!setting.!The!unit!can!only
go!to!low!burn!and!will!remain!there!until!it!runs!out!of
fuel!or!until!more!heat!is!needed!and!the!feed!rate!in-
creases.!Feed!rate!adjustments!and!dial!settings!are
the!same!as!"AUTO"!settings.
Igniter!Switch!to!"MANUAL"
Stove!Temperature!Mode
The!advantage!of!this!mode!is!to!allow!the!opera-
tor!to!have!a!large!viewing!fire!without!blowing!extra
heat!into!the!room.
During!operation,!with!the!temperature!dial!set!at
#5!or!less,!the!distribution!fan!will!not!operate.!A!#5!on
the!temperature!dial!and!a!#5!on!the!feed!adjuster!is
approximately!80%!output.!It!is!not!necessary!to!oper-
ate!the!distribution!blower!below!this!point.!Therefore,
there!can!be!a!higher!feed!rate!(!a!larger!viewing!fire)
without!an!excess!of!hot!air!blowing!into!the!room.
An!example!of!when!to!use!the!Manual!Stove!Tem-
perature!Mode!is!if!you!want!to!watch!a!large!fire!and
the!room!is!already!up!to!temperature.!The!Stove!Tem-
perature!Mode!allows!you!to!have!a!larger!fire!and!a
lower!sound!level,!without!the!distribution!blower.
NOTE:!During!the!use!of!this!mode,!if!you
keep!increasing!the!temperature!dial!setting!to!in-
crease!the!fire!size,!the!distribution!blower!will!au-
tomatically!come!on!when!the!ESP!Temperature
reaches!350o!F,!or!81%!output.
Manual!Stove!Temperature!Mode
Fig.!24:!Room!Temperature!Mode:!This!setting!will!produce!a
room!temperature!of!70!degrees!with!the!distribution!blower
at!medium!speed.
OO
Fig.!25:!This!setting!will!produce!a!large!viewing!fire!without!a
distribution!blower!operating.

16 PC!45!Corn/Pellet!Stove
MANUAL!!START!!UP
Starting!the!Fire
Igniter!Switch!to"MANUAL"!(down!position)
Make!sure!the!unit!is!plugged!into!a!120!VAC,!60
HZ!electrical!source.!The!power!light!should!be!the!only
light!lit.!Anytime!there!is!interruption!in!power!at!the
receptacle,!the!combustion!blower!will!run!for!1!minute
after!the!power!is!regained.
Burning!Corn
1.!Turn!the!Feed!Adjuster!to!desired!feed!rate,!approximately!#2.
2.!Turn!the!Mode!Selector!to!"OFF"!and!then!to!the!desired
mode.!This!will!reset!the!control!and!start!the!combustion
motor.
3.!Turn!the!Temperature!Dial!to!the!desired!setting.
4.!Clean!the!burnpot!and!housing,!if!necessary.
5.!Fill!the!burnpot!with!corn!up!to!the!auger!shaft.!Then!place
pellets!on!top!of!the!corn!as!high!as!the!shelf!area.!See!corn
burnpot!shown!on!left.
6.!Add!starting!gel!on!top!of!the!pellets,!stir!gel!into!the!pellets
and!corn!for!faster!lighting.
7.!Light!the!starting!gel!with!a!match!and!close!the!door.
Operation!will!begin!when!the!fire!reaches!the!proper
temperature.
8.!Fill!the!hopper!with!corn!and!remove!the!ashes!as!required.
Burning!Pellets
Optional!pellet!burnpot!required!to!burn!pellet!fuel.
1.!Turn!the!Feed!Adjuster!to!the!desired!feed!rate,
approximately!#4.
2.!Turn!the!Mode!Selector!to!"OFF"!and!then!to!the!desired
mode.!This!will!reset!the!control!and!start!the!combustion
motor.
3.!Turn!the!Temperature!Dial!to!the!desired!setting.
4.!Clean!the!burnpot!and!housing,!if!necessary.
5.!Fill!the!burnpot!with!pellets!so!that!the!auger!tube!opening
is!covered!and!slopes!away!from!the!auger!tube!opening.
See!pellet!burnpot!shown!on!left.
6.!Add!the!starting!gel!on!top!of!the!pellets.!Stir!the!gel!into
the!pellets!for!fast!lighting.
7.!Light!the!starting!gel!with!a!match!and!close!the!door.
Operation!will!begin!when!the!fire!reaches!the!proper
temperature.
8.!Fill!the!hopper!with!pellets!and!remove!the!ashes!as
required.
Fig.!26
Corn!Burnpot
!Optional!Pellet!!Burnpot
"NEVER!USE!GASOLINE,!GASOLINE-TYPE!LANTERN
FUEL,!KEROSENE,!CHARCOAL!LIGHTER!FLUID,!OR
SIMILAR!LIQUIDS!TO!START!OR!"FRESHEN!UP!"!A!FIRE
IN!THIS!HEATER.!KEEP!ALL!SUCH!LIQUIDS!WELL!AWAY
FROM!THE!HEATER!WHILE!IN!USE".
Warning
Fig.!27
Fig.!28
Shut-Down!Procedure
To!kill!the!fire!or!stop!burning!the!stove,!turn!the!Mode
Selector!to!"OFF".!This!will!cause!the!fire!to!diminish!and!burn
out.!When!the!fire!burns!out!and!the!stove!cools!down!every-
thing!will!stop.!NOTE:!The!combustion!blower!motor!will
run!for!5!hours!after!the!stove!is!completely!cool.!This!in-
sures!that!all!fuel!in!the!burnpot!and!ashes!located!in!the!ash
pan!are!completely!cold!before!shut!down!of!the!combustion
motor.
If!you!pull!the!plug!to!shut!down!the!stove,!all!motors!will
stop.!This!may!cause!incomplete!combustion!and!smoke!in!the
firebox.!If!the!load!door!is!opened!the!smoke!may!escape.
The!best!way!to!shut!down!the!stove!is!simply!let!it!run!out
of!fuel,!then!the!stove!will!shut!down!automatically.

17
PC!45!Corn/Pellet!Stove
AUTOMATIC!IGNITION!ESP!CONTROL
Feed!adjuster
Sets!the!maximum
feed!rate
Test
Runs!all!motors!at!full
speed!for!one!minute
to!check!operation.
After!two!minutes!the
stove!will!go!to
minimum!burn!and
the!blowers!will
alternate!from!high!to
low!every!!minute!to
remind!you!that!you
are!still!in!"Test
Mode".
Igniter!switch
Set!to!appropriate
Start-Up!mode.
Distribution!Blower
speed!adjustment!range.
L!=!low
H!=!high
Variable!speed!anywhere
between!L!and!H;
although!as!the!stove
temp.!goes!up!,!so!does
the!L!and!H!scale.
Temp!dial
Allows!you!to!adjust!the!room!temperature!in!Room
Temp!Mode!using!the!outer!scale!marked!in!degrees
Fahrenheit.!It!also!allows!you!to!adjust!the!stove
temperature!while!in!Stove!Temp!Mode!using!the!inner
scale!marked!from!1!to!7.
Mode!Selector
Allows!you!to!choose!between!Room!Temp
Mode,!Stove!Temp!Mode,!or!OFF.!Also!allows
you!to!vary!the!distribution!blower!speed!by
turning!the!knob!to!the!high!or!low!side!of!each
mode.
Power!Light
Indicates!power!to!the
control.
Indicates!power!to!the
feed!motor.
Indicates!igniter!is!on.
!Indicates!power!to
combustion!blower
Status!Light
Will!be!lit!in!either!stove
or!room!temp!mode!when
pointer!is!not!within!off
position!band!except
after!normal!shut!down.
Blinks!to!indicate!errors
listed!!below.
Indicates!power!to
distribution!blower.
6!Blinks!:!Indicates!that!the!control!has!calculated
poor!or!incomplete!combustion!occurring!for!more
than!50!minutes.!See!Troubleshooting!section!for
more!details.
*!Manual!reset-!Disconnect!power!cord!for!a!few
seconds!and!reconnect.!If!error!still!occurs!call!your
Harman!Dealer.
Status!light!error!messages:
1!Blink:!Indicates!control!board!self!diagnostic!fail-
ure.!This!requires!a!manual!reset*.
3!Blinks:!Indicates!ESP!(Exhaust!Sensing!Probe)
failure.!This!requires!a!manual!reset*.
4!Blinks:!Can!occur!only!in!Room!Temp!Mode!and
indicates!Room!Sensing!Probe!failed!or!not!installed.
If!a!Room!Sensing!Probe!is!then!installed,!the!sta-
tus!light!will!automatically!reset.
NOTE:!Unit!will!not!start!in!"AUTO"!with!this!status
error.
5!Blinks!(In!Igniter!Auto.!Mode!Only):!!Indicates
that!the!unit!has!failed!to!light!within!the!45!minute
start!cycle.!To!reset!-!Turn!Mode!Selector!to!"OFF",
then!turn!to!either!mode!again.

18 PC!45!Corn/Pellet!Stove
These!units!are!pre-tested!at!the!factory!with
exactly!120!Volts!A.C.,!60!Hz.!They!are!checked!and
adjusted!!for!firebox!tightness,!gasket!leakage,!motor
operation!and!ignitor!operation.!!The!PC!45!is!then
factory!set!at!a!mid-point!adjustment!and!in!most
cases!will!not!need!any!adjustments.!!NOTE:!The
factory!low!draft!setting!may!not!be!correct!for
the!units!permanent!installation!conditions.
The!control!board!on!the!PC45!is!equipped
with!a!low!draft!adjustment!port.!!Located!on!the
control!face!just!to!the!right!of!the!igniter!light.!This
voltage!adjustment!is!provided!to!allow!the!unit!to!be
adjusted!for!the!household!voltage!where!the!unit!is
going!to!be!in!permanent!operation.!NOTE:!The!line
voltage!varies!from!area!to!area!and!often!home!to
home.
The!low!draft!voltage!should!be!adjusted!to
achieve!the!most!efficient!burn!on!low!burn!or
"maintenance".!This!voltage!adjustment!allows!the
installer!to!change!the!low!voltage!set!point
approximately!10!volts.!!This!adjustment!should!be
done!by!the!installer!during!set!up!because!a!draft
meter!reading!is!required!to!insure!proper!set!up.
If!the!unit!is!not!!adjusted!properly,!it!does!not
cause!a!safety!concern.!If!the!unit!is!adjusted!too
high,!only!effiency!is!lost.!If!the!unit!is!adjusted!too
low,!the!low!draft!pressure!switch!will!not!allow!the
feeder!motor!or!the!igniter!to!operate.
Combustion!Motor
Speed!Control
Low!draft!only!set
point.
The!small!straight
screwdriver!slot!is
plastic;!therefore,!!the
unit!can!be!adjusted
while!in!operation.
Fig.29 Fig.!30
A!simple!draft!test!should!be!performed!after
completing!the!flue!pipe!installation.!To!record!the
results!for!future!reference:
1.!!Plug!unit!into!a!120VAC,!60!HZ!outlet.
2.!!Close!the!hopper!lid,!front!view!door,!and!the!ash
pan!access!door.!Neither!fuel!or!a!fire!are!required
for!this!test.
3.!!With!the!mode!selector!in!the!"OFF"!position,
turn!the!feed!adjuster!to!"TEST".
4.!!Record!the!high!draft_____in!W.C.!(Normal!is!-
.40!to!-.55)!The!control!will!be!on!the!High!Draft!for!a
total!of!2!minutes.
5.!!After!2!minutes!is!up,!the!combustion!motor!will
go!down!to!low!draft!and!the!distribution!blower!will
go!on!high.!Allow!approximately!15!seconds!to!pass
for!the!combustion!motor!to!slow!before!checking
the!low!draft.
6.!!If!the!low!draft!is!between!-.25!and!-.35,!record
the!reading!_____!in!W.C.!!If!the!reading!is!higher,
slowly!turn!the!set!screw!counter-clockwise!until!the
draft!lowers.!If!the!reading!is!lower,!very!slowly!turn
the!set!screw!clockwise!until!the!draft!increases.
NOTE:!The!test!mode!alternates!from!high!to
low!draft!every!60!seconds.!If!more!time!is
needed!for!draft!adjustment,!wait!until!the!next
low!draft!cycle.
NOTE:!In!some!cases,!the!draft!may!not!go!as
low!as!!!-.25!to!-.35!even!with!the!set!screw
completely!counter-clockwise.!This!is!not!a
problem.
Low!!Draft!!Voltage!!Adjustment
Draft!Meter!bolt
hole!location
On!a!PC!45!the!draft
hole!is!under!the!left
rear!corner!of!the
firebox.
Low!!Draft!!Voltage!!Adjustment

19
PC!45!Corn/Pellet!Stove
Removing!Ashes:
The!frequency!in!which!you!will!need!to!empty
the!ash!pan!will!vary!depending!on!the!conditions
that!the!stove!has!been!operating!in.!For!example:!A
stove!burning!on!high!continuously!will!probably!need
the!ashes!removed!every!1!to!2!days,!whereas!a
stove!burning!on!low!or!cycling!off!periodically!may
be!able!to!go!3!to!8!days!or!longer.
Ashes!should!be!placed!in!a!metal!con-
tainer!with!a!tight!fitting!lid.!The!closed!con-
tainer!of!ashes!should!be!placed!on!a!noncom-
bustible!floor!or!on!the!ground,!!well!away!from
all!combustible!materials,!pending!final!disposal.
If!ashes!are!disposed!of!by!burial!in!soil!or!oth-
erwise!locally!dispersed,!they!should!be!re-
tained!in!the!closed!container!until!all!cinders
have!thoroughly!cooled.
It!is!recommended!that!the!stove!is!cold!and
shut!down!when!removing!ash!pan.
1.!Pull!up!on!the!latch!handle!to!swing!the!ash!pan
access!door!out!and!to!the!right.
2.!Use!the!ash!pan!handle!to!carry!and!dispose!of
ashes.
3.!Slide!the!ash!pan!back!into!the!stove.
Cleaning:
If!you!have!been!burning!corn,!the!stove!will
need!to!be!cleaned!approximately!once!a!month.
The!amount!of!corn!burned!and!the!frequency!of
these!cleanings!will!vary!depending!on!the!quality!of
the!corn!used.
If!you!have!been!burning!pellets,!the!stove!will
need!to!be!cleaned!approximately!every!2!to!3
months.!The!amount!of!pellets!burned!and!the!fre-
quency!of!these!cleanings!will!vary!depending!on
the!quality!of!the!pellets!used.
1.!Shut!down!stove!and!disconnect!power!cord
to!insure!that!all!motors!are!stopped.
2.!Clean!the!heat!exchanger!with!the!scraper!as
shown!if!Fig.!32.
3.!Brush!or!scrape!the!inside!walls!of!the!stove!to
remove!fly!ash.
4.!Remove!the!burn!pot!for!cleaning!by:
ï Lift!up!and!remove!the!front!plate!lock!&!front!plate.
ï Remove!the!auger!extension!(corn!burnpot!only).
ï Remove!the!burnpot!grate.
ï Clean!all!fines!and!debris.
ï Reinstall!in!reverse!order.
NOTE:!See!burnpot!maintenance!section!for
a!more!detailed!description!on!burnpot!maintenance
and!cleaning.
Maintenance

20 PC!45!Corn/Pellet!Stove
ESP!Probe
Fig.!39
Be!careful!not!to
damage!ESP!probe
when!cleaning!with
brush.
Maintenance
(Cleaning!continued)
5.!Remove!the!ash!pan.
6.!Remove!the!combustion!blower!cover!by!turning
the!blower!cover!latch!vertical!as!shown!in!fig.!32.
Slide!the!cover!out!of!the!slot!on!the!left.!This!will
expose!the!combustion!blower!wheel!and!flue!outlet,
fig.!35.
7.!Clean!the!blower!wheel!with!a!brush!and!a!vacuum
cleaner.
8.!Use!a!brush!to!clean!the!flue,!being!careful!not!to
damage!the!ESP!probe.!The!flue!goes!straight
through!into!the!vent!pipe!therefore,!the!vent!pipe
can!also!be!cleaned!to!some!extent!through!the!flue
outlet.
9.!Reinstall!the!blower!cover!and!relatch.
10.!Slide!ash!pan!into!the!stove!and!latch!into!place.
Cleaning!of!Feeder!Fines!Area
1.!Remove!the!rear!shields!to!access!the!feeder
cover.
2.!Remove!the!wing!nut!on!the!feeder!cover!and
slide!the!cover!off!the!threaded!rod.
3.!Remove!all!fines!with!a!vacuum.
Fig.!37
Brush!not
supplied.!Can!be
found!in
hardware!stores.
Fig.!33:!Latch!"closed!"with
blower!cover!in!place.!Burn
pot!clean-out!is!closed.
Fig.!34
ESP!probe
Fig.!35:!Exposed!!blower
wheel!and!flue!opening,
NOTE:!ESP!probe!is!visible.
Fig.!36:!Blower!cover
removed.
Soot!and!Fly!Ash
The!products!of!combustion!will!contain!small
particles!of!fly!ash.!!The!fly!ash!will!collect!in!the
exhaust!venting!system!and!restrict!the!flow!of!the
flue!gases.!!Incomplete!combustion,!such!as!oc-
curs!during!startup,!shutdown,!or!incorrect!opera-
tion!of!the!room!heater,!will!lead!to!some!soot!for-
mation!which!will!collect!in!the!exhaust!venting!sys-
tem.!!The!exhaust!venting!system!should!be!in-
spected!after!the!first!month!of!burning!to!determine
the!frequency!of!cleaning!that!will!be!required.!NOTE:
The!frequency!could!vary!from!once!a!month!to!once
a!season!depending!on!the!quality!of!the!fuel!being
used.
Fig.!38:!For!further!details!see!exploded!view!on!page!23.