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* All Pictures In This Manual Are For Illustrative Purposes Only. Actual Product May Vary.

© 2021 United States Stove Company, 227 Industrial Park Rd., South Pittsburg, TN 37380      Ph. 800-750-2723

THIS MANUAL IS SUBJECT TO CHANGE WITHOUT NOTICE.

Owner’s Instruction and Operation Manual

U.S. Environmental Protection Agency

This heater is not certified for wood burning. 
Use of any wood fuel is a violation of federal 

regulations.

SAFETY NOTICE: If this heater is not properly installed, a house fire may result. For 
your safety, follow the installation instructions. Never use make-shift compromises 
during the installation of this heater. Contact local building or fire officials about 
permits, restrictions and installation requirements in your area. NEVER OPERATE 
THIS PRODUCT WHILE UNATTENDED.

CAUTION! Please read this entire manual before you install or use your new room 

heater. Failure to follow instructions may result in property damage, bodily injury, or 

even death. Improper Installation Will Void Your Warranty!

Save These Instructions In A Safe Place For Future Reference.

 CALIFORNIA PROPOSITION 65 WARNING:

This product can expose you to chemicals including carbon 
monoxide, which is known to the State of California to cause 
cancer, birth defects, and/or other reproductive harm. For 

more information, go to www.P65warnings.ca.gov

851486Q - 0601K

Model Number:

COAL ONLY

1500

CERTIFIED TO UL 391-2006 (R2019)

DO NOT USE THIS FURNACE IN A MOBILE HOME OR TRAILER.

Report Number: F21-692

R

Summary of Contents for HOTBLAST 1500

Page 1: ...act local building or fire officials about permits restrictions and installation requirements in your area NEVER OPERATE THIS PRODUCT WHILE UNATTENDED CAUTION Please read this entire manual before you...

Page 2: ...LEL INSTALLATION WITH EXISTING FORCED AIR GAS OR OIL FIRED FURNACE U S ONLY FOR INSTALLATION AS A CENTRAL FURNACE CAUTIONS HOT WHILE IN OPERATION KEEP CHILDREN CLOTHING AND FURNITURE AWAY CONTACT MAY...

Page 3: ...and_____________________________________________ If no Date of inspection of existing venting system ________________________________________________________________ COMMISSIONING Confirm Hearth Pad I...

Page 4: ...WHEN ADDING FRESH COAL DANGER RISK OF FIRE OR EXPLOSION DO NOT BURN GARBAGE GASOLINE DRAIN OIL OR OTHER FLAMMABLE LIQUIDS WARNING FIRE HAZARD DO NOT OPERATE WITH FIRE DRAFT EXCEEDING 0 06 W C DO NOT...

Page 5: ...until some pressure is required to lock feed door during firing sequence 5 Install the thermodisc on rear of furnace cabinet with the two screws provided Mount the conduit assembly from the junction b...

Page 6: ...k will attach to It uses a standard 16 x 20 x 1 filter NOT INCLUDED to reduce the amount of dust particles from being transferred thru you duct work system DR 6 BAROMETRIC DAMPER REGULATOR In the unli...

Page 7: ...he central system also comes on The blower will only come on when the temperature in the plenum has reached the setting on the blower control This is to ensure that there is sufficient warm air in the...

Page 8: ...factors Too much draft may cause excessive temperatures in the appliance Inadequate draft may cause backpuffing into the room and plugging of the chimney Inadequate draft will cause the appliance to...

Page 9: ...or cement the clay liner in place to the chimney flue liner Method B 9 228 6 mm Clearance to Combustible Wall Member Using a 6 152 4 mm inside diameter listed factory built Solid Pak chimney section...

Page 10: ...have the same diameter as the furnace outlet If this is not the case we recommend you contact your dealer in order to ensure there will be no problem with the draft The furnace pipe must be made of a...

Page 11: ...stated on the label on the fuel door c Clearance from combustible materials must comply with those stated on the label on the side of the unit Refer to the clearance table in the front of this manual...

Page 12: ...12 2021 United States Stove Company CENTRAL INSTALLATION ADD ON INSTALLATION INSTALLATION METHODS OF INSTALLATION...

Page 13: ...ON B PLENUM COLLECTOR BOX TO EXISTING DUCT WORK WARM AIR EXISTING FURNACE SOLID FUEL FURNACE FILTER BOX COLD AIR RETURN INSTALLATION C PLENUM TOP OPTIONAL TO EXISTING DUCT WORK WARM AIR EXISTING FURNA...

Page 14: ...LATION F FURNACE PLENUM EXISTING FURNACE SOLID FUEL FURNACE COLD AIR RETURN 2 min CLEARANCE INSTALLATION G SOLID FUEL FURNACE 2 min CLEARANCE COLD AIR RETURN TO FILTER BOX INSTALLATION H SOLID FUEL FU...

Page 15: ...heater ineffective and cause smoke POWER FAILURE After loss of power remove the filter if provided and do not expect to keep home at normal temperatures ADJUSTING THE BAROMETRIC DRAFT REGULATOR 1 Dril...

Page 16: ...be used to ventilate the cellar or basement If there is a cleanout opening at the base of the chimney it must be closed tightly 4 If the chimney is operating too cool water will condense in the chimn...

Page 17: ...and rough handling or abuse When installing your furnace use care in handling Clean with soap and warm water when furnace in not hot DO NOT use any acids or scouring soap as these wear and dull the fi...

Page 18: ...15 seconds and open door SLOWLY then refuel Check length of flue pipe to chimney Your unit should be within six 6 feet of your chimney Make sure chimney cap is not too close to the top of the chimney...

Page 19: ...e Burning in this fashion allows heat to drive off the volatile gases and turbulence created increases the burn efficiency There will have to be some experimenting with the individual setup as no two...

Page 20: ...ere the house does not become too cold It is important that you begin banking early enough before retiring or leaving that you can make necessary adjustments after the fire is well established To revi...

Page 21: ...2021 United States Stove Company 21 REPAIR PARTS 22 6 8 7 9 20 18 19 17 16 14 10 15 11 12 13 21 1 5 2 3 4 1 28 27 26 29 30 31 24 25 32 33 23 41 39 37 38 40 34...

Page 22: ...Kep Nut 2 21 68228 Ash Pan 1 22 23398 Flue Baffle 2 23 22761B Flue Collar Ring 1 24 22762B Forced Draft Ring 1 25 86402 1 1 2 Pipe Plug 1 26 80230 Blower 2 27 89319 Gasket Blower 2 28 83340 1 4 20 Cl...

Page 23: ...75 Thermostat Knob 1 10 23425 Handle Bracket 2 11 89520 Wooden Handle 1 12 86318 Thermostat Chain 1 2 ft 13 68217 Feed Door Assembly Includes Door and Gasket 1 N S 83106S Machine Screw 10 24 x 1 2 SL...

Page 24: ..._____ Engineer Name _____________________________________ License No _________________________________________ Company ___________________________________________ Telephone No ________________________...

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