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United States Stove HOTBLAST 1950 manual

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Table of contents for the manual

  • Page 1

    INSTALLATION AND OPERATING INSTRUCTIONS FOR THE HOTBLAST 1950 EPA WOOD BURNING FURNACE Verified and tested following CSA B366.1 M91, UL 391-95, 99 by : Intertek Testing Services Distributed by: UNITED STATES STOVE COMPANY 227, INDUSTRIAL PARK ROAD P.O. BOX 151 SOUTH PITTSBURG TN 37380 Tel: (423) 837-2100 Fax : (423) 837-2109 8BDC3 Tm( )TjET?[...]

  • Page 2

    Please keep this document TABLE OF CONTENTS INTRODUCTION ...................................................................................................................... 2 1. CHIMNEY AND DRAFT .................................................................................................... 2 2. SAFETY RULES ................................[...]

  • Page 3

    INTRODUCTION Take note that this furnace operates like an EPA wood bu rning stove. This applies to the lighting, the embers and the minimum combustion air intake which depends on the type and the grade of the combustible. This model line is certified as meeting the emissi ons limits in 40 C.F.R. part 60, section 60.532 (B) per EPA methods 28 and 5G[...]

  • Page 4

    W A R N I N G -THE ASH DRAWER AND EXCHANGERS ACCESS PA NEL GET VERY HOT. -DO NOT MANIPULATE WITH BARE HANDS. 2.2 ODOUR FROM THE PAINT It is normal that a smoke odour emanate from the unit when y ou first light it. It is recommended to burn it at high rate and ventilate the building until the odour resorbs. 2.3 ASH DISPOSAL Ashes must be placed in a[...]

  • Page 5

    2.5 SMOKE DETECTOR We highly recommend the use of a smoke det ector. It must be installed at least 15 feet (4,57 m) from the appliance in order to prev ent undue triggering of the detector wh en reloading. 2.6 DOOR GLASS To maintain a clean and safe installation, do not build your fire too close to the glass or allow the fire logs to lean on the gl[...]

  • Page 6

    3. APPLIANCE INSTALLATION 3.1 UNIT LOCATION The furnace must be installed where outsi de air supply is sufficient for prop er combustion. In airtig ht houses, it might be necessary to install an outside air inlet (see details in section 3.4). The furnace must be positioned so that the connec tor is as short as possible; minimize the use of 90 o elb[...]

  • Page 7

    3.3 PIPE CONNECTOR AND DAMPER Before proceeding to connection, remove all accessories such as scraper, shovel and poker from the evacuation pipe of the furnace. A 7” diameter chimney listed for use with wood burning hea ting appliances is highly recommended for the Hotblast 1950. In this case, a reduce r from 7” to 6” is required. If draft ex[...]

  • Page 8

    DAMPER The barometric control must be adjusted so that t he maximum draft measured at the furnace outlet is limited to - 0.06 in. w.c. Please note t hat a draft higher than -0.06 in. w.c. could result in an uncontrolla ble fire. On the other hand, the minimum draft to be respected is -0.0 4 in. w.c. in the evacuation pipe on the solid fuel side. 3.[...]

  • Page 9

    3.5 ELECTRICAL CONNECTION The following instructions do not supersede the local cod e. HOTBLAST 1950 On the Hotblast 1950 the combined limit control is installed with the support provided on the left side of the appliance (two holes are predrilled o n the edge of the furnace), and conne cted to the electrical box along with the transformer. Install[...]

  • Page 10

    4. OPERATING INSTRUCTIONS Control system On the wood only furnaces , the thermostat controls the air inlet damper. When the thermostat calls for heat, the damper opens and th e fire burns up. When the furnace ge ts hot enough, the combined limit control activates the blower motor at the speed selected for woo d heating. The chain that links the air[...]

  • Page 11

    4.3 HEATING 1. When loading the furnace , spread the coal and em bers evenly in the center of the combu stion chamber before adding new logs. 2. Do not overload. Air must circulate freely in the upper part of the combustio n chamber in order to obtain an efficient operation of the appliance. Pl ease note that a small hot fire will pr oduce much le [...]

  • Page 12

    Whenever a high amount of smoke is noticed in the room, you mu st: 1. Open doors and windows. 2. Make sure the furna ce door is closed a s well as the dam per (if necessary, lower the thermo stat starting point or undo the chain of the damper and clo se t he barometric draft control manually). 3. When the furnace has cooled down, inspect the chimne[...]

  • Page 13

    5. MAINTENANCE 5.1 MAINTENANCE OF THE EXCHANGERS The evacuation pipe and the exchangers should be insp ected regularly durin g the bur ning season. Easy access is provided (without the use of tools): unscrew the wing nut on the exchangers access door. See pictures b elow. W in g nut Insulation pad Exchan g ers cover Before cleaning the three exchan[...]

  • Page 14

    5.2 CHIMNEY MAINTENANCE One of the most efficient methods is t o sweep the ch imney is using a hard brush. Brush the chimney downward so soot and creosote residues will com e off the inside su rface and fall at the bottom of the chi mney where it can be removed easily. The chimney must be checked regularly and if creosote h as accumulated, it must [...]

  • Page 15

    Door adjustment procedure: 1. Unscrew com plete ly the locking pin (see picture below). Lockin g p in 2. To increase t he pressure of the door on the gasket, turn the handle counter clo ckwise; to decrease the pressure on the door on the gasket, turn the handle clo ckwise. 3. Finally, screw back the locking pin about 1/4” deep, make sure you lock[...]

  • Page 16

    7. WIRING DIAGRAM HOTBLAST 1950 WOOD DIRECT DRIVE RED ON 150°F LIMIT 250°F OFF 110°F LIMIT LOAD FAN LINE HONEYWE LL L6064 HIGH LINE LOW L2 120 V.A.C. L1 BLACK TRANSFO JUNCTION BOX 24 V.A.C. 24 V.A.C. THERMOSTAT SERVO-MOTOR RED BLACK WHITE BLACK BLACK 24 V.A.C. 120 V.A.C. TRANSFORMER SWITCH MOVE THIS WIRE TO CHANGE MOTOR SPEED REVISION JUNE 17TH [...]

  • Page 17

    8. HOTBLAST 1950 TECHNICAL DATA HOTBLAST 1950 A 47” B 25 ½” C 47 ¼” D 15 ⅞ ” E 28” F 24 ½” G 44” FLUE * 7” WEIGHT 560 * Reducer requi red 8.1 GENERAL TECHNICAL DATA MODEL DIRECT DRIVE OUTPUT TEMP VAR. BTU/ HR STATIC PRESSURE FILTER FAN MOTOR SPEED (CFM) ( O F) (WOOD) MIN. MAX. (2) H 2 O HOTBLAST 1950 DD-10 1/3 3 or 4 1300 78 14[...]

  • Page 18

    9. DUCTS AND DAMPERS DIMENSIONS (EXAMPLES OF CALCULATION) SIMPLIFIED METHOD DISTRIBUTION SYSTEM Ducts size (heat) 4 inch outlet reduce by 1” 5 inch outlet reduce by 2” Always by 8” thick 6 inch outlet reduce by 3” N.B.: The main duct must be reduced every 2 outlets. Ducts specifications (heat) Dimensions Length Elbow Average equivalence 4?[...]

  • Page 19

    10. HOTBLAST 1950 BRICKS LAYOUT WARNING: INSTALL THE CERA MIC BLANKET PANEL BEFORE PUTTING BRICKS UP IN THE COMBUSTION CHAMBER 9" 4 1/2 " 3 1/ 2" 5 1/2" 9 4" 1 5/8 " 9" 6" 3" 8 9" 4 1/ 4" 7 1/2 " 1 1/2 " 1 1/ 4" 3" 1 8 6 3 1 5 9 7 9 9 9 8 6 7 7 7 7 7 7 7 7 7 6 6 6 6 2 2 7 7 [...]

  • Page 20

    19 11. TROUBLE SHOOTING PROBLEM CAUSES SOLUTIONS Heating inefficient during the first combustions. Lack of draft. Improper adjustment of the barometric damper (ope ned too wide). Chimney flue restriction (too long., or too many 90 o elbows) Adjust the damper, minimize the chimney length and use 45 o elbows. Furnace heats well, warm air plen um is v[...]