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3-90-70741R13_05/13

The VF 3000 Stoker Boiler features our patented Verti-Flow™ Coal Feeder. The VF 3000 has a 5,000 to 95,000 BTU range

and 250 lb. coal hopper capacity.
An aquastat is used to activate the feeder when more heat is needed to maintain the set water temperature. When the

Aquastat senses the water is at the set temperature the feeder stops feeding coal. Now the Verti-flow™ Stoker Control takes

over to maintain a very low fire until more heat is needed.

Properly installed and maintained, your VF 3000 will heat your home for a lifetime. Therefore, have your unit professionally

installed. Consult with your Harman® Dealer regarding proper maintenence.

Introduction

Содержание VF3000

Страница 1: ...OR INSTALLATION IN MOBILE HOMES IF THIS boiler IS NOT PROPERLY INSTALLED A HOUSE FIRE MAY RESULT FOR YOUR SAFETY FOLLOW INSTALLATION DIRECTIONS INSTalLATION should be performed by a qualified installer 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 f...

Страница 2: ...er outages or during appliance service or maintenance 3 90 70741R13_05 13 Introduction 4 Specifications 5 Hot Water Coil 5 Warnings 6 Packing List 7 Assembly 8 Venting 11 Installation 14 Verti Flow Stoker Control 17 Operation 19 Feed Adjustment 19 Maintenance 20 Troubleshooting 22 Aquastat Installation 23 Wiring Diagram 25 Service Parts 26 Warranty 29 Index Contains updated information ...

Страница 3: ...ed to maintain the set water temperature When the Aquastat senses the water is at the set temperature the feeder stops feeding coal Now the Verti flow Stoker Control takes over to maintain a very low fire until more heat is needed Properly installed and maintained your VF 3000 will heat your home for a lifetime Therefore have your unit professionally installed Consult with your Harman Dealer regar...

Страница 4: ...round the coil plate 3 Tighten all bolts evenly 4 Fill the boiler and check for leaks before and after the boiler is up to temperature Rust caused by a leak can reduce the life of the boiler 5 A tempering valve may be installed between the in and out pipes to reduce the maximum water temperature at the tap NOTE This hot water coil is rated at 4 gallons per minute Specifications Hot Water Coil ...

Страница 5: ... to avoid over feeding Using wet coal in an emergency will likely not damage your stove as long as it is hot and burning at the time The damage is caused when the hopper has wet coal in it when the stove is cold This will cause rust and corrosion which is considered neglect and will not be covered by the product warranty This unit must be connected to a chimney capable of providing a 04 minimum dr...

Страница 6: ...er Plate Firebricks Grate Holder with Gasket 2 Grate Inserts Combustion Blower Aquastat 3 Pieces and Sensor Temp Pressure Gauge Pressure Relief Valve NOTE Although required for unit completion the Feeder and Hopper are sold as separate items ...

Страница 7: ...ace on the right end with the center of the base Note the baffle and flue pipe must always be at the same end and opposite the hopper Next place the base jacket around the base and clamp into place with the four clamping bolts on the front of the base The hole in the jacket goes around the flue pipe Place 1 4 x 1 gasket around the flat edge on top of the base Now place the boiler on top of the bas...

Страница 8: ...der Grate The grate is composed of four pieces the grate holder 2 grate inserts and firebrick angle The firebrick angle is bolted to the grate holder with 2 3 8 x 1 1 4 bolts Before installing the grate holder 3 8 round gasket must be checked in the groove on the bottom side of the grate holder as shown in fig 4 Check to be sure the gasket has not been damaged Locate the flange at the rear of the ...

Страница 9: ...he blower restrictor plate Install the blower on the bottom of the feeder by sliding it into the bracket as far as it will go NOTE The bolt holes on the blower flange are not used Control Box Install the control box on mounting pad provided on the side of the stoker with 4 8 32 bolts and nuts Plug the gear motor into the top receptacle and the combustion blower into the middle receptacle on the co...

Страница 10: ... the size of the flue collar opening Do not use makeshift components No part of the chimney connector may pass through an attic or roof space closet or other concealed space or through a floor or ceiling Whenever possible avoid passing the connector through a combustible wall if you must use an approved wall pass through described later in this section Assemble the connector beginning at the flue ...

Страница 11: ...mneys extend 3 ft 0 9 m above the highest point at which they exit from the roof Then the chimney must extend 2 ft 6 m above the highest point within a 10 ft 3 m radius Thus the 3 foot 2 foot 10 foot rule 3ft Above roof exit point 2ft Higher than anything within 10ft of the chimney Do not connect this unit to a chimney flue servicing another appliance AN APPROVED CANADIAN WALL PASS THROUGH Hole wi...

Страница 12: ...sonry chimney several provisions are standard First whether the chimney connector is vented to the chimney through a thimble or a breech pipe neither must pass beyond the inner surface of the chimney liner and both must be firmly cemented in place with refractory cement A thimble is a masonry pipe which is inserted through the chimney wall and is frequently the preferred method a breech pipe is a ...

Страница 13: ...ols Also note the sensor and its wire length when considering the mounting location Remember that 212 f is boiling temperature and must be avoided Be sure to incorporate a means for flowing water in the event of an over heat condition Coal can not just stop burning when there is no demand for heat Never fire a boiler with no water in the system Serious consequences will result ...

Страница 14: ...ayouts possible Cirulator pumps zone valves and thermostats are not supplied with the unit because the amount and type of these parts vary with every system It is best to have a professional plumber do the job System Supply System Return Fresh water in with automatic fill Heated domestic water Expansion Tank Circulator Pump Air Scoop Pressure Relief Temp Pressure Gauge Aqua Sensor Well Tempering V...

Страница 15: ...n the boiler side of the barometric damper if installed With a fire established the chimney draft should be between 04 and 06 inches of Water Column If the flue draft exceeds these readings install and adjust the barometric damper accordingly DO NOT operate if the flue draft exceeds 10 inches Water Column 24 9 Pa Next remove the allen head set screw from the center of the firebox door and attach y...

Страница 16: ...on of the timer One indicator shows power is applied to the unit The other three indicators show when power is available at the adjacent receptacle The stoker control will be mounted on the side panel of the feeder directly below the coal hopper The three receptacles and switch will be facing forward while the power cord 3 AMP fuse access port and the thermostat connections will be to the rear VER...

Страница 17: ...r The Verti Flow Stoker Control is also used on the Magnum Stoker which does use this timer Recommended timer settings to start are on 4 minutes off 12 minutes extend timer 0 minutes You may find that these settings produce too much heat in pilot mode If so you can reduce the on time and increase the off time However we do not recommend going below 4 minutes with the on time for efficiency reasons...

Страница 18: ...ht the fire or starting material After the coal is burning the feed motor can be turned on and the coal fire will continue to get larger Fresh coal will continue to be pushed onto the grate and ashes will be pushed off the grate The feed rate must be adjusted so the coal is burned up and turned to ashes before the coal gets to within one inch of the end of the grate Too high of a feed rate will pu...

Страница 19: ... located at the center of the unit should be cycled in and out several times This action cleans the interior of the heat exchanger and causes the dust to fall into the ashpan Every 3 months The grate clean out slide should be opened and reclosed as shown in drawings below In the closed position be sure the grate clean out plate slide is straight across as shown The easiest way to handle this slide...

Страница 20: ...o cleaning your VF 3000 will prevent those damages 1 Remove all coal from the hopper 2 Remove all ashes 3 Remove and clean flue pipe 4 Check chimney and clean if necessary 5 Remove hopper and check for rust at bottom edges If rust is found remove it with a file or sandpaper then paint the area with spray paint available at your Harman dealer 6 Check the feeder for rust and corrosion where the hopp...

Страница 21: ...Check if the light above the receptacle is lit Check the AC power plug from the motor is it securely plugged into the correct outlet Stoker Control Troubleshooting Gas Odor Problems Gas Alarm Goes Off or Sulfur Odor Exists A sulfur smell may be noticed when a door is opened during operation with wet or damp coal This is normal However it is not recommended that wet coal be used or the doors be ope...

Страница 22: ...ey may already be in this position 2 Set the differential to the desired set point 3 Terminate the wires using the common and the normally open terminals 11 Y350 Control 1 Terminate the power wiring using the 120 VAC terminals on the control This will be supplied from the terminal block located in the terminal box 12 S350 Control 1 Set the offset to the desired set point 2 Set the differential to ...

Страница 23: ...23 3 90 70741R13_05 13 AQUASTAT ...

Страница 24: ...y of coal when the temperature is above freezing This is because many dealers put kerosene or fuel oil on the truck box and calcium on the coal to keep it from freezing while it is being transported The calcium can promote rust and the oil may cause an odor depending on what type is used It is best and most convenient to have a coal bin inside and close to the boiler The bin should have drainage t...

Страница 25: ...r control box 3 20 00900 Y 3 Door handle Qty 2 req 4 00 00042 Y Spring handle brass plate 1 2 Pkg of 3 3 40 00086 3 3 Door Latch 4 Sets 1 00 00036 Y Aquastat replacement for White Rodgers 1 00 03500 Y Controller a350aa 2c 3 10 1350112 Y Power supply y350r 1c 3 10 935071 Y Sensor a350 control appbc 25c aquastat well sensor 3 10 2992225 Y Aquastat Terminal Block 1 10 03501A Stage module s350aa 1c 3 ...

Страница 26: ... 4 Pusher Block Adjuster Rod Pkg of 2 2 00 08011 2 Y 4 5 Pusher Block 3 50 00026 Y 4 6 Cam Block Assembly 1 10 00102A Y Feeder cam block 3 50 00054 Y Feeder cam Bearing 3 31 3014 Y 4 7 Cam Arm cover 2 00 00053P Y 4 8 Fines Tray 2 00 00055 Y 4 9 Feed Indicator Hardware 1 00 00056 Y 4 10 Feeder Body Weldment 1 10 00687 Y 4 11 Clean Out Slide 2 00 00048P Y 4 12 Gasket 3 8 round White LD Grate Holder ...

Страница 27: ...or Mounting Controls 3 31 01020 Door Assembly for Oil Burner Option 1 10 01203A Door Hinge Qty 4 req 2 00 07203D Element Cover For Back up 1 10 01008S Feeder Adapter Plate 2 00 00152B Fiber Board 2 Thick for Oil Burner Option 3 44 01760 Gasket 1 2 Rope ash pan door 20 Ft 1 00 53500 Y Gasket 1 w adhesive 2 ply fire door 20 Ft 1 00 88250 Y Gasket Glue 32 oz 3 42 4583 Gasket 3 8 Round HD 5 Ft 1 00 43...

Страница 28: ...new home construction warranty coverage begins on the date of first occupancy of the dwelling or six months after the sale of the product by an independent authorized HHT dealer distributor whichever occurs earlier The warranty shall commence no later than 24 months following the date of product shipment from HHT regardless of the installation or occupancy date The warranty period for parts and la...

Страница 29: ... warranty does not cover the following Changes in surface finishes as a result of normal use As a heating appliance some changes in color of interior and exterior surface finishes may occur This is not a flaw and is not covered under warranty Damage to printed plated or enameled surfaces caused by fingerprints accidents misuse scratches melted items or other external sources and residues left on t...

Страница 30: ...30 3 90 70741R13_05 13 Service Maintenance Log Date Of Service Performed By Description Of Service ...

Страница 31: ...31 3 90 70741R13_05 13 Date Of Service Performed By Description Of Service Service Maintenance Log ...

Страница 32: ...100 Recycled Paper At Harman we build each product to a standard not a price Signature of Boxer Your premium quality hearth product designed and assembled by the experienced and skilled members at Harman in Halifax PA USA ...

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