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1.  Check your local codes.  The installation must comply with their rulings.
2.  Do not install this furnace in a mobile home or trailer.
3.  Always connect this furnace to a chimney and vent to the outside.  Never vent to another
room or inside a building.
4.  Do not connect this furnace to an aluminum Type B gas vent.  This is not safe and is
prohibited by the National Fire Protection Association Code. This furnace requires a
masonry or Listed Factory Built Chimney for residential type or Building Heating Appliance
Chimney.  Use a 6" diameter  chimney or larger, that is high enough to give a good draft. (See
page 7)
5.  Be sure that if a masonry chimney is used, it is safely constructed and in  good repair.  Have
the chimney inspected by the Fire Department or an  inspector.
6.  Inspect chimney connector and chimney before and frequently during the  heating season
for any deposit of creosote or soot which must be removed (See Chimney Maintenance,
page 15).
7.  Provide air for combustion into the room where the furnace is located.  If the intake is not
in the same room, air must have free access to the room.
8.  CAST IRON PARTS MUST BE "SEASONED" TO AVOID CRACKING,  BUILD ONLY
SMALL FIRES ON FIRST USE.
9.  To prevent injury, do not allow anyone to use this furnace who is unfamiliar  with the
correct operation of the furnace.
10. For further information on using your furnace safely, obtain a copy of the  National Fire
Protection Association (NFPA) publication "Chimney's,  Fireplaces and Solid Fuel Burning
Appliances" NFPA 211.  The address of the NFPA is Batterymarch Park, Quincy, MA 02269.
11. Keep the ashpit section free of excess ashes.  Do not allow ashes to stack  higher than
the sides of the ash pan.
12. DISPOSAL OF ASHES- Place ashes in a metal container with a tight  fitting lid.  Keep
the closed container on a noncombustible floor or on the ground, well away from all
combustible materials.  Keep the ashes in the closed container until all cinders have
thoroughly cooled.  The ashes may be buried in the ground or picked up by a refuse collector.
13. CAUTION- The special paints used on your furnace may give off some  smoke while they
are curing during first few fires.,  Build small fires at  first.  The metal used in construction of
the furnace and duct work has a light coating of oil.  This could give off smoke and/or odor
from registers when furnace is used for the first time.  This should disappear after a short
period of time.  Once this burn-off has occurred, it should not reoccur.
14. CARING FOR PAINTED PARTS- This furnace has a painted outside jacket, which is
durable, but it will not stand 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 finish.  DISCOLORATION WILL OCCUR
IF THE FURNACE IS OVERHEATED.  FOLLOW OPERATING INSTRUCTIONS CARE-
FULLY.

Your Furnace is designed to be installed in a parallel air flow arrangement with a gas
or oil-fired forced air upflow-type central furnace, or it may be installed as a central
furnace.

Rules for safe installation and operation

Read these rules and the instructions carefully.  Failure to follow them will cause a
hazard that could result in death, serious bodily injury, and/or property damage.

Summary of Contents for Hotblast 1500

Page 1: ...E THE 1500 1537G HOTBLAST FUR NACES HAS BEEN APPROVED FOR U S INSTALLATIONS ONLY CERTIFIED UNDER ANSI UL 391 1983 85591R UNITED STATES STOVE COMPANY 227 Industrial Park Road P O Box 151 South Pittsburg TN 37380 423 837 2100 www USSTOVE com CAUTION READALLINSTRUCTIONSCARE FULLY BEFORE STARTING THE INSTALLATION OR OPERATING THE FURNACE IMPROPER INSTALLATION MAY VOID YOUR WARRANTY DO NOT USE THIS FUR...

Page 2: ...encil 6 Foot Folding Rule or Tape Tin Snips Drill Hand or Electric Drill Bit 1 8 Dia For Sheet Metal Screws Screw Driver Blade Type Gloves Sabre Saw 5 16 Nut Driver or 5 16 Socket w Ratchet MATERIAL 6 Pipe 6 Elbow Collar and Thimble as required 24 gauge min 1 2 Sheet Metal Screws 6 Inside diameter Listed Residential Type or Building Heating Appliance Chimney or existing masonry chimney Electrical ...

Page 3: ... inches w c DO NOT operate with fuel loading or ash removal doors open DO NOT store fuels paints thinners flammable liquids or other highly volatile substances in the furnace room CAUTION HOT SURFACES Keep children away Do not touch during operation _______________________CAUTION ________________________ INSPECT FLUE PIPES FLUE PIPE JOINTS AND FLUE PIPE SEALS REGULARLY TO ENSURE THAT SMOKE AND FLU...

Page 4: ...ymarchPark Quincy MA02269 11 Keep the ashpit section free of excess ashes Do not allow ashes to stack higher than the sides of the ash pan 12 DISPOSAL OF ASHES Place ashes in a metal container with a tight fitting lid Keep the closed container on a noncombustible floor or on the ground well away from all combustible materials Keep the ashes in the closed container until all cinders have thoroughly...

Page 5: ...RNACE INSTALLATION As a central furnace the unit functions indepen dently of any other system The blower will come on when the plenum temperature reaches the setting on the blower control PARALLEL INSTALLATION See Optional Wiring Diagram Page 13 Fig 13 The design is such that when the blower comes on the blower on the central system also comes on The blower will only come on when the temperature i...

Page 6: ...ING FRESH COAL CAUTION DO NOT OPERATE WITH THE FEED AND OR ASH DOOR OPEN THIS FURNACE IS DE SIGNED FOR THERMOSTATIC OPERATION OPERATION WITH ANY OF THESE DOORS OPEN WILL OVERHEAT AND DAMAGE THE FURNACE CAUTION NEVER USE GASOLINE GASOLINE TYPE LANTERN FUEL KEROSENE CHARCOAL LIGHTER FLUID OR FLAMMABLE LIQUIDS TO START OR FRESHEN UP A FIRE IN THE FURNACE WARNING NEVER STORE FLAMMABLE LIQUIDS ES PECIA...

Page 7: ... pipe to sidewall 21 530mm Chimney connector pipe to backwall 18 460mm Hot air ducts to combustibles 6 150mm Refer to Fig 2 3 Place the furnace on a noncombus tible floor Check figures 2 and 3 Be sure you have the clearances shown from the furnace and the connector pipe to combustible surfaces If you have a solid brick or stone wall behind your furnace you can place the furnace as close as you wis...

Page 8: ...alified mason or chimney dealer The installation must conform to local fire codes and N F P A 211 DO NOT CONNECT THIS FURNACE TO A CHIMNEY FLUE SERVING ANOTHER APPLI ANCE 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 close it tightly Fig 5 LISTED FACTORY BUILT CHIMNEY Carefully follow chimney manufactur...

Page 9: ...include a section for a barometric draft regulator between the furnace and the chimney Fig 4 5 7 The barometric draft regulator must be installed in the same room same pressure zone as the furnace 8 Install the barometric draft regulator strictly in accordance with the instructions that are provided with the barometric draft regulator 9 A solid damper must be used in the chimney connecting pipes b...

Page 10: ...te Slotted holes are for adjustment of handle Adjust handle until some pres sure is required to lock feed door during firing sequence Install the thermodisc on rear of furnace cabinet with the two screws provided Mounttheconduitassemblyfromthejunc tion box to the thermostat bracket Crimp the two female terminals to each of the wire leads Plug the wires to the thermodisc NOTE It does not matter whi...

Page 11: ...11 Fig 11 NOTE Wire leads from the distribution blower are usually BOTH BLACK Makes no difference which leads from the motors connects to the corre sponding leads coming out of the conduit ...

Page 12: ...ou must direct heated air from 8 outlets away from the furnace or it will not function properly 1 This installation must be done by a qualified heating equipment installer 2 The installation is to be done in compliance with NationalFireProtectionAssociationinstallationstan dards No 89M 90B 211 70 National Electrical Code andUniformMechanicalCode913 6 4 inthe states where applicable Their code offe...

Page 13: ...ll give more complete combustion and less build up of tars or soot in the chimney Set thermostat to HIGH before opening feed door Wood fire Add wood to a convenient level Coal Fire Never smother the fire when adding coal See Caution Gas accumulation and a mild smoky explosion will occur Add fresh kindling if the bed of coals has cooled Add up to 20 lbs of coal per loading Never add coal above the ...

Page 14: ...age 24 for list of trouble shooting tips 5 6 A draft reading of 05 to 06 w c is suggested for proper burning of this unit when using wood or bituminous coal as fuel When using anthracite coal this draft reading is a minimum reading Chimney Maintenance Creosote and Soot Formation and Need for Removal When wood is burned slowly it produces tar and other organic vapors which combine with expelled moi...

Page 15: ...15 26 27 28 29 30 31 32 33 34 35 36 37 Model 1500 1537G Repair parts ...

Page 16: ...18 23859B Draft Cap Painted 1 19 89354 Ash Door Handle 1 891098 Ash Door Handle 1 20 89574 Spring Handle 1 21 Handle Bushing Included with Handle 1 22 23445 Door Latch 1 23 83461 Handle Washer 1 24 83178 3 8 16 Jamb Nut 1 25 22662 Feed Door Hinge Bracket 1 26 89308 Feed Door Handle Assembly 1 891097 Feed Door Handle Assembly 1 27 89574 Spring Handle 1 28 89319 Blower Gasket 2 29 80230 Blower Assem...

Page 17: ...4 23431 Friction Plate 1 5 81903 Thermostat 1 6 23427 Thermostat Mounting Bracket 1 7 83172 10 Sheet Metal Screw 6 8 89041 Spring 1 9 89175 Thermostat Knob 1 10 23425 Handle Bracket 2 11 89520 Wooden Handle 1 12 86318 Thermostat Chain 542 FT 13 68217 Feed Door Assembly Includes Door and Gasket 1 N S 83106S Machine Screw 10 24 x 1 2 SL HD Z 2 N S 83136 Washer 9 32 I D 5 8 O D 1 16 THK 1 N S 83816 C...

Page 18: ...18 ...

Page 19: ...19 COLD AIR RETURN TO EXISTING DUCT WORK WARM AIR EXISTING FURNACE SOLID FUEL FURNACE FILTER BOX APPENDIX INSTALLATION A ...

Page 20: ...D AIR RETURN TO EXISTING DUCT WORK WARM AIR EXISTING FURNACE SOLID FUEL FURNACE FILTER BOX PLENUM COLLECTOR BOX COLD AIR RETURN TO EXISTING DUCT WORK WARM AIR EXISTING FURNACE SOLID FUEL FURNACE FILTER BOX PLENUM ELBOW PLENUM TOP OPTIONAL ...

Page 21: ...21 ...

Page 22: ...ANCE DUCT WORK FURNACE PLENUM EXISTING FURNACE SOLID FUEL FURNACE COLD AIR RETURN INSTALLATION F 2 MINIMUM CLEARANCE DUCT WORK SOLID FUEL FURNACE INSTALLATION G COLD AIR RETURN TO FILTER BOX CENTRAL FURNACE INSTALLATION ...

Page 23: ...23 2 MINIMUM CLEARANCE EXISTING OIL ELECTRIC OR GAS FURNACE SOLID FUEL FURNACE INSTALLATION H EXISTING OIL ELECTRIC OR GAS FURNACE SOLID FUEL FURNACE TOP VIEW FRONT VIEW ...

Page 24: ... properly furnace and this unit 5 Air from Registers is not hot BadblowerThermodisc ReplaceblowerThermodisc 6 Smoke and or odor from Oil from furnace and duct The metal used in constuc registerswhenfurnace work tion of the furnace and duct is used for first time work has a light coating of oil This should disappear after a short period of time Once this burnoff has occur red it should not reoccur ...

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