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SCOTTY SS DB-202A Owner's Manual

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SCOTTY SS
WOOD FURNACE
Model DB-202A
OWNER'S MANUAL
IMPORTANT
READ OWNER'S MANUAL THOROUGHLY BEFORE
INSTALLING FURNACE OR LIGHTING FIRE.
CONSULT LOCAL AUTHORITIES IF IN DOUBT
ABOUT YOUR LOCAL FIRE SAFETY REGULATIONS.
ALL INSTALLATIONS MUST BE MADE IN
ACCORDANCE WITH LOCAL AND STATE OR
PROVINCIAL CODES WHICH MAY DIFFER FROM
THIS MANUAL.
IMPROPER INSTALLATION WILL RESULT IN
VOIDING OF WARRANTY.

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  • Page 1 SCOTTY SS WOOD FURNACE Model DB-202A OWNER’S MANUAL IMPORTANT READ OWNER’S MANUAL THOROUGHLY BEFORE INSTALLING FURNACE OR LIGHTING FIRE. CONSULT LOCAL AUTHORITIES IF IN DOUBT ABOUT YOUR LOCAL FIRE SAFETY REGULATIONS. ALL INSTALLATIONS MUST BE MADE IN ACCORDANCE WITH LOCAL AND STATE OR PROVINCIAL CODES WHICH MAY DIFFER FROM THIS MANUAL.

  • Page 2: Table Of Contents

    SCOTTY SS – INSTRUCTION MANUAL CONTENTS SECTION 1 OPERATING INSTRUCTIONS Specifications Introduction Wood-Burning Storage of Wood Maximum Solid-Fuel Charge Maintenance 1.5.1 Cleaning 1.5.2 Servicing Safety Controls Electrical Power Failure Homeowner Checklist SECTION 2 INSTALLATION Introduction Uncrating Locating the Furnace Flue Pipe and Chimney...
  • Page 3 SCOTTY SS – INSTRUCTION MANUAL SECTION 4 ADD ON TO ELECTRIC FURNACE 4.1.1 Nortron 21 FRK 10H – 25 Series 4.1.2 Other Approved Electric Furnaces Duct Connection to an Electric Furnace 4.2.1 Duct Connection 4.2.2 Minimum Duct Sizes 4.2.3 L-Type Duct Connection and Frame...

  • Page 4: Specifications

    SCOTTY SS – INSTRUCTION MANUAL Manufactured by: Parrsboro Metal Fabricators Ltd. 12118 Highway 209 P.O. Box 637, Crossroads Parrsboro Nova Scotia, Canada B0M 1S0 Specifications Length 34” Width 22 ½” Height 43” Shipping Weight 238 lb Fire Box 1/8”plate Length 27 ½”...

  • Page 5: Introduction

    Developed in Atlantic Canada, this KERR Furnace has been designed to allow you to heat your home with wood, one of North America’s most abundant fuels. Designed with you in mind, the KERR SCOTTY SS Wood Furnace will provide you with many years of safe, efficient central heating.

  • Page 6: Storage Of Wood

    SCOTTY SS – INSTRUCTION MANUAL Close the damper door by disconnecting chain Close all draft regulators Throw ½ lb of coarse or table salt on the fire and close door immediately. Call the FIRE DEPARTMENT at once! Have a firmly established Emergency Procedure in place for the handling of a flue fire.

  • Page 7: Maximum Solid-Fuel Charge

    The maximum level for a solid-fuel charge is the middle of the loading door, or the level of the handle. DO NOT OVERFILL. The KERR SCOTTY SS Wood Furnace will accept whole or split logs up to 27 inch (686 mm) long, but a 24 inch (610 mm) log length is recommended for convenience and ease in handling.

  • Page 8: Servicing

    SCOTTY SS – INSTRUCTION MANUAL Ashes should be placed in a metal container with a tight fitting lid. The closed container of ashes should be placed on a non-combustible floor or on the ground, well away from all combustible materials, pending final disposal. If the ashes are disposed of by burial in soil or otherwise locally dispersed, they should be retained in the closed container until all cinders have thoroughly cooled.

  • Page 9: Electrical Power Failure

    SCOTTY SS – INSTRUCTION MANUAL The fan and limit control mounted in the plenum controls the operation of the circulating blower and prevents the furnace from over-heating. When the air temperature in the plenum reaches the “ON” set point of the fan switch (usually 140º F (60º C)) the blower starts and runs until the plenum cools to the “OFF”...
  • Page 10 SCOTTY SS – INSTRUCTION MANUAL Keep area around unit clean and clear of combustibles. Use only dry wood. DO NOT burn garbage, gasoline or naphtha. Load carefully. Remove ashes as directed. Watch for soot build up in smoke pipe – clean regularly.

  • Page 11: Section 2 Installation

    SCOTTY SS – INSTRUCTION MANUAL SECTION 2 INSTALLATION INSTRUCTIONS Scotty SS Nov-05...

  • Page 12: Introduction

    Uncrating When you receive your KERR SCOTTY SS Wood Furnace, check it carefully to ensure that all components are present and in good condition. If there has been any damage or loss in transportation, please notify the carrier and retailer at once.

  • Page 13: Locating The Furnace

    SCOTTY SS – INSTRUCTION MANUAL Locating the Furnace (Fig S202-1, Fig S202-3B) The location of the furnace must be as close as possible to the tile-lined brick chimney, or factory-built solid-fuel approved chimney (ULC S629). Keep in mind also the day-to- day operation, and place for ease of fueling and cleaning.
  • Page 14 WARNING: If this setting is exceeded it could cause a solid fuel fire to burn out of control. We recommend that the KERR SCOTTY SS Wood Furnace be connected to its own chimney. However, two or more fuel-fired appliances, other than fireplaces, wood stoves or incinerators, may be connected to the same chimney.

  • Page 15: Clearances

    Underwriters and in the US the NFPA codes. The KERR SCOTTY SS Wood Furnace warm air plenum and first 6ft (1.8 m) of warm air supply duct in any direction must be installed observing a minimum of 6 inches (152 mm) clearance from the joists or combustible materials.

  • Page 16: Add-On To Another Furnace

    For oil furnaces having multi-speed blowers with continuous circulation capability. Add-on furnaces such as the Kerr Scotty SS can be installed with oil fired warm air furnaces such as the Kerr KD Gemini that have continuous blower circulation capability. A relay must be used if the furnace is to maintain the continuous circulation feature.
  • Page 17 SCOTTY SS – INSTRUCTION MANUAL Items required: 1. Switching Relay R4222D 1013 (120 V Coil, 12 amp @ 120 Vac), or equivalent. 2. Junction box (4” x 4”) and cover. 3. Square extension box (4”x 4”gyproc extension). 4. Two plastic universal bushings or junction box connectors.

  • Page 18: Duct Connection

    “S” type interconnection (See Fig. S202-2). CAUTION: a) The DB-202A is certified for installations using a divider in the plenum of the oil furnace. b) An ADD-ON unit must only be connected to a furnace, duct system and chimney, which are in good operating condition.
  • Page 19 SCOTTY SS – INSTRUCTION MANUAL After all connections are made a static pressure test and/or temperature measurement must be made in the outlet plenum of the wood furnace. This is a simple procedure and is outlined as follows using a Dwyer Model 25 or equal inclined manometer.

  • Page 20: Control Systems

    SCOTTY SS – INSTRUCTION MANUAL Control System The fan and limit control and the damper motor should be located as shown in Figure S202-2. T822 – Room Thermostat – Wood Furnace The primary control is the room thermostat located near the center of the house in the main floor or near an existing thermostat.

  • Page 21: Static Pressure Drop Test

    SCOTTY SS – INSTRUCTION MANUAL 2.8.1 STATIC PRESSURE DROP TEST (Fig S202-4) After all connections are made and the ADD-ON installation is complete check the static pressure in the outlet plenum of the wood furnace. This is done with an inclined manometer, similar to the Dwyer Model 25, capable of reading 0.2”...

  • Page 22: Temperature Rise Test

    SCOTTY SS – INSTRUCTION MANUAL 2.8.2 TEMPERATURE RISE TEST As an alternative to the static pressure test the installer may make adjustments on the basis of temperature measurements. For this test the wood furnace must be at full operating temperature.

  • Page 23: Installers Checklist

    SCOTTY SS – INSTRUCTION MANUAL An ADD-ON unit must only be connected to an oil furnace, duct system and chimney, which are in good operating condition. DO NOT interconnect an add-on with duct elbow less than 6” (152 mm) inside radius.

  • Page 24: Section 3 Add On To Oil Furnace

    SCOTTY SS – INSTRUCTION MANUAL SECTION 3 ADD ON TO OIL FURNACE Scotty SS Nov-05...

  • Page 25: Add-On To Oil Furnace

    100 Square inches. The return air duct area should be equal or larger. As the controls are not suitable, the Scotty SS DB-202A must NOT be installed for normal operation as a GRAVITY system.

  • Page 26: Duct Connections

    3.2.2 Divided Plenum (Fig S202-4) The Kerr Scotty SS DB-202A is also certified for installation using a divider in the plenum of the oil furnace. CAUTION: When a plenum divider (split plenum) is used in the oil furnace warm air plenum, all fan limit controls in the oil furnace plenum must be located 5”...

  • Page 27: Control Systems

    3.3.1 ADD-ON TO OIL CONTROL KIT “A” (Fig S202-2, Fig S202-5) Control kit “A” is required for ADD-ON to Oil installation of the KERR SCOTTY SS Wood furnace model DB-202A. ADD-ON to Oil – wiring diagram see Fig. S202-5 – layout diagram See Fig. S202-2 Kit “A”...
  • Page 28 SCOTTY SS – INSTRUCTION MANUAL L4064R – Wood Furnace Fan/Limit Control – Fig. S202-2, 202-5 The L4064R fan and limit control is mounted in the plenum over the wood fired furnace. It controls the operation of the oil furnace blower and shuts down the fire damper if the circulating air temperature rises above a fixed upper limit.

  • Page 29: Add On To Electric Furnace

    SCOTTY SS – INSTRUCTION MANUAL SECTION 4 ADD ON TO ELECTRIC FURNACE Scotty SS Nov-05...

  • Page 30: Nortron 21 Frk 10H - 25 Series

    See Figs. 1, 2 and 3 on page 33 and S202-6 for layouts. 3. Outlet to Scotty SS – 12” x 20” (305 mm x 508 mm) – to suit template opening in Scotty Wall.

  • Page 31: Duct Connection To An Electric Furnace

    100 square inches and equal or larger area for the return air. As the controls are not suitable, the Scotty SS DB-202A must NOT be installed for normal operation as a GRAVITY system.

  • Page 32: Minimum Duct Sizes

    Main Return: 8” x 20” minimum 4.2.3 L-TYPE DUCT CONNECTION AND FRAME (Fig S202-6) Cut the side opening in Scotty SS DB-202A wood furnace size 12” x 20” (305 x 508 mm) according to template provided. INSTALLATION SUMMARY (Fig S202-6, Fig S202-7, Fig S202-8) Install Scotty SS and Electric furnace as shown in Fig.

  • Page 33: Add-On To Electric Control Kit "E

    SCOTTY SS – INSTRUCTION MANUAL ADD-ON TO ELECTRIC CONTROL KIT “E” (Fig S202-8, Fig S202-9) Control kit “E” is required for ADD-ON to Electric installation of the KERR SCOTTY SS Wood Furnace model DB-202A. Kit “E” consists of the following: L4064R1027 11”...
  • Page 48 Terms and Conditions of Warranty Without restricting the generality of condition The warranty is not assignable and rights 4 hereof, a furnace which is permanently pursuant to it are given only to the original distorted as a result of burning out of control purchaser of the furnace from an authorized is not to be considered to be defective in retailer.
  • Page 49 ATTENTION HEATING CONTRACTOR: THIS WARRANTY IS FOR THE ORIGINAL PURCHASER AND SHOULD BE GIVEN TO HIM/HER OR PLACED IN SIGHT NEAR THE WOOD FURNACE. SCOTTY SS WOOD FURNACE 5 YEAR WARRANTY Subject to the terms and conditions on the reverse side hereof Kerr Heating Products (hereinafter called “Kerr”) warrants as follows:...

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