Page 2 - INDEX
2 DO NOT BURN WET COAL INDEX Introduction 3 Warning s 3 Packing List 5 Ass e m bl y 6 Ins t a ll a t io n 9 Vert i-Flow Stoker Cont rol 10 O pe ra t i o n 1 4 M a in t e na n c e 1 5 Trou b l e- S h oo t i ng 1 7 Wiri n g D i ag ra m 1 9 F e ed e r P a rt s 2 0 Domest ic Hot Wat er Coil 21 H ot Air ...
Page 3 - WARNINGS; These gas es are toxic and can be; Never sleep in the same; TESTING INFORMATION
3 DO NOT BURN WET COAL WARNINGS INTRODUCTION This all new design by Harman features the Verti-Flow Stoker System. This unique system provides a very wide range of heat output. The Verti-Flow Stoker can operate from 5000 to over 85,000 btu's automatically. This unit has a 100 pound coal capacity and ...
Page 4 - READ THIS; Damp coal als o s hould not be left in; Damp Coal
4 DO NOT BURN WET COAL READ THIS Always empty 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 will res...
Page 5 - Parts inside stove; PACKING LIST
5 DO NOT BURN WET COAL Parts inside stove Parts inside hopper box grate holder firebricks combustion blower distribution blower ash pan hopper lid hopper hopper support Inside bag(2) terminals for thermostat wire(4) 8-32 x 1/2 screws and nuts control box thermostat motor cover main feeder body adjus...
Page 6 - ASSEMBLY
6 DO NOT BURN WET COAL ASSEMBLY adjuster tube wing nut adjuster fig 2 feed indicator dust tray fig 1 First, a note to you, the customer. This section on Assembly is in the manual for your information should you ever need to move your unit and to help you under-stand how each part is installed. It is...
Page 7 - Feeder; Control Box
7 DO NOT BURN WET COAL Control Box Small blower Large blower thermostat fig 3 fig 4 gasket Feeder Begin assembly by sliding the pusher block with the adjuster rod from the front through the slot shown in fig.1.Be sure the pusher block is turned with the bolt hole tofeed indicator side. Next, hold pu...
Page 8 - Hopper
8 DO NOT BURN WET COAL hopper support slotted holes Gasket fig 7 Grate insert fig 6 Grate holder Grateangle . fig 5 Be sure the grate holderis centered and back asfar as possible. IMPORTANT Install firebricksas Shown The grate holder must be installed through the top door opening after the feeder ha...
Page 9 - Front; Clearance to Combustibles; INSTALLATION
9 DO NOT BURN WET COAL minimum 4" 34" 34" 18" barometricdamper draftadjustment 8" 8" 16" Use only U.L. approved floorboard IMPORTANT Front Top View Clearance to Combustibles INSTALLATION Take draft reading between thebarometric damper and thestove. Do this on pilot mode. ...
Page 10 - Verti-Flow Stoker Control; Res tricter Plate; Fine Tuning Draft
10 DO NOT BURN WET COAL Timer settings shown above will perform well in most cases. Verti-Flow Stoker Control This section describes the features and opera- tions of The Harman Verti-Flow Stoker Control.The timers are adjustable from 0 minutes to 15minutes in 1 minute steps. There are red lights on ...
Page 11 - Bas ic Theory of Operation
11 DO NOT BURN WET COAL of the stove. NOTE: The bolt holes on the blowers are notused. Install the control box on mounting pad provided on the side of the stoker with (4) #8-32 bolts. NOTE: The recep-tacles go toward the front. Plug the gear motor into the top, the small combustion blower into the m...
Page 13 - How to Operate the Stoker Control
13 DO NOT BURN WET COAL blower, coal feeder) receptacles will become active for the pro-grammed amount of time. When "on" timer has finished timing, thestoker control will recycle and the "distribution blower" timer alongwith the "off" timer will once again become active. The...
Page 14 - Feed Adjus tment; OPERATION
14 DO NOT BURN WET COAL feed indicator Over Fired, No Good WASTING COAL POSSIBLE DAMAGE TO UNIT Max feed rate Low feed rate Feed Adjus tment Adjust feed rate by turning adjuster clockwise to increase and counterclockwise to decrease. Each completeturn will move the fire about 1". The feed indica...
Page 15 - MAINTENANCE
15 DO NOT BURN WET COAL Slide closed Cycle in and out will not burn completely. After the fire is burning and the feed rate is adjusted, you can now set the thermostat to the desired temperature. MAINTENANCE With each hopper of coal that is burned approximately one ashpan full of ashes must be remov...
Page 16 - IMP ORTANT
16 DO NOT BURN WET COAL This operation can also be performed when the unit is not burning by lifting out the grate inserts and removing fly ash with the vacuumcleaner. Annually: At the end of the heating season is the best time to perform annual maintenance. The reason is rust and corrosion can form...
Page 17 - FEEDING PROBLEMS
17 DO NOT BURN WET COAL void the warranty on those parts. Always check to see if moving partsare free before using if the unit has not been burned for a period of time.This can best be determined by shaking the adjuster rod. TROUBLE-SHOOTING FEEDING PROBLEMS Wet Coal -- Wet coal does not flow the sa...
Page 18 - Stoker Control Trouble-Shooting
18 DO NOT BURN WET COAL The installation should be performed by your dealer who is factory trained to correct any problem on initial start-up. After proper installation,many years of trouble-free operation can be expected. Stoker Control Trouble-Shooting This trouble-shooting guide is designed to he...
Page 20 - Feeder Parts
20 DO NOT BURN WET COAL 1 2 3 4 5 6 7 7 8 9 10 11 12 13 16 17 18 19 20 Feeder Parts 14 1. (2)grate inserts2. grate holder3. grate angle4. feeder body5. clean-out slide6. pusher arm7. (2) pillow block bearings8. feed motor9. capacitor10. motor mount11. pusher block12. adjuster rod13. adjuster tube14....
Page 21 - Domestic hot water coil hookup
21 DO NOT BURN WET COAL temperaturepressurerelief valve aquastst automatic airval ve circulator pump val ve val ve Domestic hot water coil hookup electric hot water heater Cut holes with 1 1/8" hole saw where shown . Install coil with hardware provided.Hook up as shown above. If distance between...
Page 22 - Hot Air Duct Option; Important
22 DO NOT BURN WET COAL 6" starting collar Hot Air Duct Option Don't forget to retighten thebolt after removing theplate. Important Your stoker has a built-in feature that lets you take the air that normally blows out from the front and puts it out the top into a 6" duct. To do this, remove ...