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© 2021 United States Stove Company

OPERATION

hot charcoal bed. Ashes should be placed in a metal 

container with a tight-fitting lid. The closed container of 

ashes should be placed on a noncombustible floor or on 

the ground, away from all combustible materials, pending 

final disposal. The ashes should be retained in the closed 

container until all cinders have thoroughly cooled.

SMOKE & CO MONITORS

CO is a poisonous gas when exposed to elevated 

concentrations for extended periods of time. While 

the modern combustion systems in heaters drastically 

reduce the amount of CO emitted out the chimney, 

exposure to the gases in closed or confined areas can be 

dangerous. Make sure your stove gaskets and chimney 

joints are in good working order and sealing properly to 

ensure unintended exposure. It is recommended that 

you use both smoke and CO monitors in areas having the 

potential to generate CO. 

GASKETS

It is recommended that you change the door gasket 

(which makes your stove door air tight) once a year, 

in order to ensure good control over the combustion, 

maximum efficiency and security. To change the door 

gasket, simply remove the damaged one. Carefully clean 

the available gasket groove, apply a high temperature 

silicone sold for this purpose, and install the new gasket. 

You may light up your stove again approximately 24 

hours after having completed this operation. This unit’s 

ash door uses a 5/8" diameter rope gasket. This unit's 

feed door uses a 1/2" diameter rope gasket.

SERVICE HINTS

Do not expect a furnace to draw. It is the chimney that 

creates the draft. Smoke spillage into the house or 

excessive build-up of water or creosote in the chimney 

are warnings that the chimney is not functioning properly. 

Correct the problem before using furnace. Possible 

causes are:
1.  The connector pipe may be pushed into the chimney 

too far, stopping the draft.

2.  Do not connect two furnaces or a stove and furnace 

into the same chimney flue.

3.  The chimney used for a furnace must not 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 chimney and run back into the 

furnace. Creosote formation will be rapid and may 

block the chimney. Operate the furnace at a high 

enough fire to keep the chimney warm, preventing 

this condensation.

5.  If the fire burns well, but sometimes smokes or burns 

slowly, it may be caused by the chimney top being 

lower than another part of the house or a nearby tree. 

The wind blowing over a house or a tree, falls on top 

of the chimney like water over a dam, beating down 

the smoke. The top of the chimney should be at least 

3 feet above the roof and be at least 2 feet higher 

than any point of the roof within 10 feet.

CREOSOTE & SOOT - FORMATION & NEED 

FOR REMOVAL

When coal is burned, the products of combustion combine 

with moisture to form a soot residue which accumulates 

on the flue lining. When ignited, this soot makes an 

extremely hot fire. The chimney should be inspected 

at least twice monthly during the heating season to 

determine if a creosote or soot build up has occurred. If 

creosote or soot has accumulated, it should be removed 

to reduce the risk of a chimney fire. Chimney fires burn 

very hot. If the chimney catches fire, immediately call the 

fire department, then reduce the fire by closing the inlet 

air control. Pour a large quantity of coarse salt, baking 

soda or cool ashes on top of the fire in the firebox.

CREOSOTE ACCUMULATION CAUSES CHIMNEY 

FIRES. YOU SHOULD CHECK (OR HAVE CHECKED BY 

A QUALIFIED CHIMNEY SWEEP) YOUR CHIMNEY FOR 

CREOSOTE DEPOSITS AT LEAST MONTHLY DURING 

THE HEATING SEASON. ANY ACCUMULATIONS 

SHOULD BE REMOVED. COMPLETE CHIMNEY 

INSPECTIONS AND CLEANING SHOULD BE 

CONDUCTED ANNUALLY; TYPICALLY, THIS TASK 

SHOULD BE PERFORMED PRIOR TO EACH HEATING 

SEASON. IF USING AN EXISTING CHIMNEY, IT MUST 

BE INSPECTED PRIOR TO THE INSTALLATION OF 

YOUR NEW WOOD STOVE.

CAUTION

A CHIMNEY FIRE MAY CAUSE IGNITION OF WALL 

STUDS OR RAFTERS WHICH YOU THOUGHT WERE 

A SAFE DISTANCE FROM THE CHIMNEY. IF YOU 

HAVE A CHIMNEY FIRE, HAVE YOUR CHIMNEY 

INSPECTED BY A QUALIFIED PERSON BEFORE 

USING AGAIN.

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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