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Harman Stove Company DVC500-C Manual

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DVC500-C COAL STOKER MANUAL
FOR USE IN THE U.S. AND CANADA
SUITABLE FOR INSTALLATION IN MOBILE HOMES
Contact local building or fire officials about restrictions
and installation inspection requirements in your area.
Failure to Read
This Manual
Will Cause You
Unnecessary
Problems.
Contact your local authority (such as municipal building
department, fire department, fire prevention bureau, etc.)
to determine the need for a permit.
DVC500C-R8

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Summary of Contents for Harman Stove Company DVC500-C

  • Page 1 DVC500-C COAL STOKER MANUAL FOR USE IN THE U.S. AND CANADA SUITABLE FOR INSTALLATION IN MOBILE HOMES Contact local building or fire officials about restrictions and installation inspection requirements in your area. Failure to Read This Manual Will Cause You Unnecessary Problems.
  • Page 3 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 Stove Company 352 Mountain House Road Halifax, PA 17032...

  • Page 4: Carbon Monoxide (Co) Awareness

    WARNINGS Carbon Monoxide (CO) Awareness Carbon monoxide referred to as CO, is a lower rather than on the ceiling like a smoke colorless, odorless gas that is produced during detector. combustion of coal and other fuels. CO fumes CO detectors are very sensitive and are toxic and can be fatal.
  • Page 5 INTRODUCTION This all new design by Harman features the Verti-flow Direct Vent Stoker System. This unique high efficiency unit uses only outside air for combustion. Micro-processor controls provide for an automatic 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.
  • Page 6 Assembly 1. Install hopper latch as shown at left. 2. Install 3 firebricks on angle behind grate as shown. 3. Cement in grates as shown below. This may already be done at the factory. 4. Install door and latch on stove. 3 Bricks Grate Inserts fig.
  • Page 7 Door Assembly/Installation Tips Paw Bolt Door Glass * The paw bolt should be turned into the door * Rope the glass carefully to insure proper from the inside approximately 14 turns. sealing. * With the set screw removed, turn the brass * Apply the rope exactly along the edge of the elbow onto the paw bolt approximately 5 external face of the glass, not overhanging or...

  • Page 8: Installation

    INSTALLATION Tips On Installation Before the position of unit can be decided 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.
  • Page 9 Installation 7. Check exterior of termination for best fit and screw WARNING: to exterior and caulk with high grade exterior DO NOT INSTALL IN caulking. MOLBILE HOME 8. Complete any other exterior flue piping neces- SLEEPING ROOM sary. 9. Back inside, place the 2 halves of the interior wall trim plate over flue pipe.
  • Page 10 Installation Open...

  • Page 11: Basement Installation

    Installation Basement Installation Wall Termination To install a DVC 500 in a basement you will need additional DVC vent sections. These sections are made with a 316 stainless steel liner and a 20 Tee with cover plate gauge galvaneeled outer shell. Each joint is sealed with a gasket and is bolted together with 4 bolts.
  • Page 12 Installation...
  • Page 13 Installation...
  • Page 14 Installation Harman Direct Vent Coal Flue Pipe Venting System 1" Clearance to Combustibles 1-00-08326...

  • Page 15: Operation

    Operation: ESP CONTROL Feed Adjuster Sets the maximum feed Power Light rate, 1 to 5 Indicates power is "on" to the control. Test Runs all motors at full speed for two minutes to check Status Light operation. After two Will be lit in either Stove minutes the stove will or Room Temp Mode go to minimum burn...
  • Page 16 Hopper Lid Latch ESP Control Glass Door Latch Handle Side Panel Latch Ash Door Latch Handle...

  • Page 17: Testing Operation

    Operation: Testing Operation: Turn the Feed Adjuster to "Test" mode, fig. 13. This will cause all motors to run 100% for 2 minutes. The lights on the control panel will be lit for each motor.It will also turn the power light into a test light fig.
  • Page 18 Operation: Fig. 16 Keep coal off ledges Fig 17 When to use "Stove Temp Mode" In "Stove Temp Mode" the Stove Temp Dial This setting will produce medium heat with the determines the temperature of the stove. Heat Distribution Blower on "low". output and fuel consumption will remain constant.

  • Page 19: Daily Maintenance

    DAILY MAINTENANCE: Ash Removal With each hopper of coal that is burned, approximately one ashpan full of ashes must be removed, fig. 19. It may take from one to four days for the ash pan to get full, depending on the Fig.

  • Page 20: Weekly Maintenance

    WEEKLY MAINTENANCE: Empty Fines Tray The small Fines Tray in the side of the stoker should be removed and emptied To remove the Fines Tray, first open the door on the left rear of the stove. Next, loosen the thumb screws holding the Fines Tray Cover, fig# 20.

  • Page 21: Every 3 Months

    EVERY 3 MONTHS: A 3-month cleaning will give you a base line as to how often your DVC500 needs to be cleaned. Cleaning intervals will differ from other DVC500 owners because of the ash content of the coal and Never the amount of coal burned.
  • Page 22 END OF HEATING SEASON MAINTENANCE: The End Of Season Shut Down List. 1. Allow the stove to run out of coal in order to extinguish the fire. This saves having to remove the coal from the hopper manually and most importantly, drives the moisture out of the stove that may be present in the coal.
  • Page 23 Motors Feed Motor 3-20-60906 Combustion Distribution Blower Blower 1-10-08332 3-21-22647 ESP Probe Draft Motor 3-20-00744 3-21-08639 Fig. 28 Fuel ash) which may cause grate blockage in severe The DVC500 is designed to burn Anthracite cases. Rice Coal which is approximately 7/16 long and Anthracite Coal can be purchased in bags or in wide by 3/16 thick.
  • Page 24 Grate System Assembly Or Replacement: Fig. 29 The DVC500 grate system is composed of four pieces: the grate holder, 63 hole grate inserts, and grate angle. The grate angle is bolted to the grate holder with (2) 3/8 x 1 1/4 bolts. Before installing the grate Fig.30 holder, 3/8"...

  • Page 25: Maintenance Schedule

    Maintenance Schedule Daily W eekly 3Months End of Season Annual Service Remove ashes Add coal to hopper Clean Glass Empty Fines Tray Clean Draft Blower Clean Exhaust Outlet Clean Vent Pipe Clean FSS Tube Check FSS Setting Check ESP Probe Check Gaskets Check Hopper Lid Seal Check Pusher Block For Movement...

  • Page 26: Wiring Diagram

    Wiring Diagram...

  • Page 27: Control And Safety Sensors

    Control and Safety Sensors The ESP (Exhaust Sensing Probe) is a temperature sensing probe located in the exhaust outlet. The ESP works with the Control to perform all burn rate functions as well as high and low limit control. Room Sensor The Room Sensor is a small temperature sensor placed where you would normally put a thermo- stat.
  • Page 28 Parts 2-00-06269 flange 3-31-06238 pillow block bearing 2-00-06383 pipe 3-30-437161252 carriage bolt 1-10-08549 feeder body 2-00-06239 bearing spacer 2-00-06221 clean-out cover 3-20-60906 feed motor 4-00-08307 grate inserts (63 hole) 3-30-1252007514 grade 8 1/4x20 1-10-08332 combustion blower 2-00-06237 drive shaft 2-00-06112 clean-out cover 2-00-06240 cam block...

  • Page 29: Specifications

    Specifications Weight 455 Pounds BTU Output Range 7000 to 75,000 Heating Capacity 2200 Square Feet Fuel Anthracite Rice Coal Hopper Capacity 93 Pounds Distribution Blower Size 135 cfm Flue 4" Harman DVC Vent Wattage 295 Watts Control ESP with Micro-processor Width "...
  • Page 30 DVC-500 Firebox Static Pressure Safety Protocol General Causes And/Or Reasons For 9. Transparent tubing from firebox to sensing Shutdown: switch is off or blocked with fly ash. The DVC-500 operates with a negative pressure firebox as a safety feature. Any loss of this 10.
  • Page 31 2 Blink Status Details: DVC 500-C down period. After five minutes the unit will restart at a reduced Firebox Static Pressure feed rate ( 30 seconds max.) for 72 minutes. Safety Protocol After 72 minutes, if the safety switch has not The DVC-500 operates with a negative pressure sensed another pressure loss, the unit will firebox as a safety feature.
  • Page 32 Harman Stove Company 352 Mountain House Road Halifax PA. 17032 Phone 717-362-9080 Fax 717 362 4251...

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