Harman DVC-500 Installation instructions

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

HOME HEATING.

SAVE THESE INSTRUCTIONS.

The Harman DVC-500 Coal Stoker

Installation & Operating Manual

R13

This appliance is also approved

for installation into a shop.

INDEX

Warnings 4

Introduction 5

Assembly 6

Installation 7

DVC500 Microprocessor Control 15

Operation 17

Maintenance 19

Fuel 23

Wiring Diagram 26

Control and Safety Sensors 27

Parts 28

Specications     29

Troubleshooting 30

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.

SUITABLE FOR MOBILE HOME INSTALLATIONS.

SAVE THESE INSTRUCTIONS

Harman Home Heating

352 Mountain House Road

Halifax, PA 17032

harmanstoves.com

Always empty the hopper when not burning

for more than a week. When left standing

for long periods with wet coal, the pusher

block will rust and corrode, causing it to

seize. If the stoker is then turned "on",

damage to the pusher assembly and feed

motor could result. This will be considered

neglect and will void the warranty on those

parts. Always check to see that moving

parts are free before using, if the unit has

not been burned for a period of time. This

can best be determined by watching the

cam block and pusher arm inside the right

rear side door.

Freshly delivered coal is watered down to elimi-

nate dust when loading and unloading. Wet rice

coaldoesnotowaswellasdampordrycoal.

We do not recommend burning wet coal; how-

ever, we realize if it's the only coal you have,

it is better to burn it than be cold. If you must

burn wet coal, the feed rate must be increased

inordertogetthesamesizere.Asthewet

coal in the hopper dries out, the feed rate must

be decreased. Loading wet coal once or twice a

year will not damage your stove as long as it is

hot and burning. The damage is caused when the

hopper has wet coal in it when the stove is cold.

This will cause rust and corrosion and it is totally

the operator’s fault. Usually after the coal dries

for three or four days, depending on conditions,

itwillowverywellandfeedproperly.Feed

rate will be the same as with dry coal.

Wet Coal

WARNINGS

(Never sleep in the same room with any coal burning stove.)

Carbon Monoxide (CO) Awareness

Carbon monoxide, referred to as CO, is a

colorless, odorless gas that is produced during

combustion of coal and other fuels. CO fumes

are toxic and can be fatal.

The DVC 500 is a closed loop system spe-

cially designed to prevent the escape of CO and

other combustion products from the stove.

Even though this stove is designed to be as

safe as possible, it is important that you install

a CO detector. This is true for oil, gas, or wood

burning products as well.

CO detectors are very sensitive and may

sound an alarm for fumes other than CO or CO

from sources other than the stove such as car

or lawn mower exhaust.

If the alarm sounds

1. Increase ventilation by opening windows

or doors.

2. Make sure the stove doors and hopper lid

are closed and latched.

3. Check stove for electrical power and normal

operation.

4. Check for false alarm.

Always Empty Hopper

Never use gasoline, gasoline-type lantern fuel, kerosene, charcoal lighter uid, or similar liq-

uids to start or “freshen up” a re in this heater. Keep all such liquids well away from the heater

while it is in use.

INTRODUCTION

This remarkable design by Harman features the

Verti-owDirectVentStokerSystem.

 This unique, high efciency unit uses only

outside air for combustion.

Micro-processor controls provide for an au-

tomatic wide range of heat output from 7,000 to

75,000 BTU .

With a big 93 pound hopper capacity, this unit

can burn on high approximately 16 hours or extend

for over 96 hours on low.

ARoom Sensor connected to the micro-proces-

sor automatically adjusts the feed rate to compensate

for changes in temperature.

The ash pan is large enough to hold the ash

from one hopper full of coal at any setting.

The DVC 500 is the most advanced coal

stove ever put into production. However, there

are places where it should not be installed. If the

end of the ue pipe is:

1. Less than 8 feet from an air intake.

2. On the side of the house where a window is

left open for sleeping.

3. Less than 5 feet from a door.

4. Less than 7 feet above and 3 feet away from a

public walkway.

5. Less than 3 feet above ground level.

6. Between two building less than 10 feet apart.

It is recommended that the end of the ue

pipe terminates at least 12 inches away from the

side of the building in order to minimize any y

ash build-up.

Mobile home installations should be done in

accordance with the Manufactured Home and

Safety Standard (HUD), CFR 3280, Part 24.

DAMP COAL SHOULD NOT BE

LEFT IN THE HOPPER OF A COLD

STOVE.

Assembly

1. Install the hopper latch as shown at left.

2.Install3rebricksonthecastironanglebehind

the grate as shown.

3. Cement in grates as shown below. This may

already be done at the factory.

4. Install the front door and latch it closed.

3 Bricks

Grate

Inserts

g. 3

4 GLASS RE-

TAINER CLIPS 4 GLASS

RETAINER

BOLTS

GLASS

GLASS GASKET

DOOR

HINGE PINS

BRASS HANDLE

HANDLE BOLT

WOOD HANDLE

PAW BOLT

SET SCREW

Door Glass

* Rope the glass carefully to insure proper seal-

ing.

* Apply the rope exactly along the edge of the ex-

ternal face of the glass, not overhanging or pressed

too far in from the edge.

* Make sharp 90o turns at the corners.

* Tightly join the ends of the rope at the upper left

or right corner.

Glass Retainer Clips

* Use the glass retainer clips and screws supplied

in the door kit.

* Use a 1/8" Allen wrench to tighten the glass clips

to cast door with 10-24 x 3/8" screws supplied.

Paw Bolt

* The paw bolt should be turned into the door from

the inside approximately 14 turns.

* With the set screw removed, turn the brass elbow

onto the paw bolt approximately 5 turns, or until a

1/16" clearance is achieved between the elbow and

thedoorface(makesuretostopontheatspotof

the paw bolt).

* The set screw on the brass elbow must be aligned

tocontacttheatspotonthepawbolt,thentighten

using a 5/32" Allen wrench.

* After attaching the door handle, close and latch the

door by turning the handle to the six o'clock position.

During this process observe to see that the door rope

is being compressed properly.

* If it does not compress, loosen the set screw and

turn the paw bolt one additional turn into the door.

Repeat as required to insure a tight seal.

Door Assembly/Installation Tips

Tips On Installation

Before the positioning of the unit can be de-

cided a few questions should be considered?

1. Can the unit be vented properly and installed

safely?

2. Will exhaust be vented where fumes can build

up or be drawn into lower levels of the structure

3.Willfumesandyashaffecttheexteriorofthe

structure or surrounding structures?

4. Are there any local regulations governing the

use and placement of the unit?

5. Are there any structural reasons why the unit

cannot be placed where you want?

6. How close is the electrical outlet?

Floor Protector

This stove should be placed on a non-combus-

tibleoorprotectorextending16inchestothefront,

8 inches to the sides, and 1 inch to the rear.

Straight Through Wall

1. When positioning of the unit has been decided,

use measurements on Page 10 for cutting the hole

throughthewall.Don’tforgettogurethethick-

nessoftheoorprotectorused.

2. Cut at least a 9" x 9" hole through the wall.

3. Remove the side doors / rear cover assembly

(6 black screws, 5/16" socket or straight screw-

driver)

4. Place the unit in front of the hole approximately

1/2" closer to the wall than the length of the wall

termination. (From outside of wall to back of unit

where termination bolts up)

5. Take the wall termination outside and slide it into

the hole until it mates to the rear of the unit. Go

inside and install the bolts and tighten, making

surethegasketisinplaceandtheuepipesec-

tion is level.

6. Reposition the unit inward until the stainless steel

intake section comes against the outside wall

surface. NOTE: If the wall is over 8" thick you

will need a longer wall termination. The standard

termination will provide 3" of wall clearance

behind the stove, with a 8" wall. Therefore, with

a 5" thick wall, it will provide 6" of clearance

behind the stove.

INSTALLATION

DO NOT INSTALL A FLUE DAMPER IN THE

EXHAUST VENTING SYSTEM OF THIS UNIT

DO NOT CONNECT THIS UNIT TO A CHIM-

NEY FLUE SERVING ANOTHER APPLIANCE.

INSTALL VENT AT CLEARANCES SPEC-

IFIED BY THE MANUFACTURER

g. 6

g. 7

7.Checktheexterioroftheterminationforbestt

and screw to exterior and caulk with high grade

exterior caulking.

8.Completeanyotherexterioruepipingneces-

sary, using 4" pellet venting.

9. Back inside, place the 2 halves of the interior

walltrimplateoveruepipe.Usingtheblack

pop rivets, fasten together, then slide it against

the wall and fasten it to the wall.

10. Replace the side door / rear cover assembly

with 6 black screws.

11. Complete the unit assembly and test.

Wall Trim Plate

Gasket

Wall

Termiation

Installation

Open

CAUTION:

THE STRUCTURAL INTEGRITY OF THE

MOBILE HOME FLOOR, WALL, AND

CEILING/ROOF MUST BE MAINTAINED.

WARNING:

DO NOT INSTALL IN MOBILE

HOME SLEEPING ROOM

Standard Wall

Termination

g. 9

g. 8

Installation

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