SCOTTY SS DB-202A Owner'S Manual Download

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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.

Summary of Contents for DB-202A

Page 1: ...FORE 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 ...

Page 2: ...ON 2 1 Introduction 11 2 2 Uncrating 11 2 3 Locating the Furnace 12 2 4 Flue Pipe and Chimney 12 2 5 Clearances 14 2 6 ADD ON to Another Furnace 15 2 7 Duct Connection 17 2 8 Control Systems 19 2 8 1 Static Pressure Drop Test 20 2 8 2 Temperature Rise Test 21 2 9 Additional Notes 21 2 10 Installers Checklist 22 SECTION 3 ADD ON TO OIL FURNACE 3 0 Add On to Oil Furnace 24 3 1 Combustion Air for Woo...

Page 3: ...ible floor S202 4 Add on to Oil Divided Plenum S202 5A Add on to Oil Electrical Schematic Belt Drive S202 5B Add on to Oil Electrical Schematic Direct Drive S202 5C Add on to Oil Electrical Schematic Direct Drive S202 6 Add on to Electric Clearances S202 7 Add on to Electric Installation S202 8 Add on to Electric Nortron Wiring Schematic S202 9 Add on to Electric General Schematic S202 10 Cleaning...

Page 4: ...cable Air Filter Size Not Applicable Blower Size Not Applicable Blower Motor Not Applicable CFM 1000 Required Smoke Pipe 7 Inside Diameter Floor to smoke pipe center 36 Output max 70 000 Btu h Fuel Wood up to 24 logs Electrical Rating Volts 120 Cycles 60 Amps 15 NOTE Keep this manual in a safe place for future reference Follow manual carefully for the correct way to install and operate this unit C...

Page 5: ...logs compressed wood Before adding fuel to an existing fire turn up the thermostat for about five minutes or lift damper chain to hold damper fully open for about one minute before opening the loading door This action will allow residual smoke to clear from the combustion chamber and reduce smoke entering the basement during refueling Twice daily refueling may be sufficient in modern well insulate...

Page 6: ...ften Creosote generation is also higher when burning green wood The moisture in the green wood absorbs the heat from the fire cooling the fire below the point at which the creosote can be consumed The low temperature smoke is then further cooled in the upper furnace chambers smoke pipe and chimney allowing large amounts of creosote to form To reduce creosote build up during periods of low heat req...

Page 7: ...be checked visually from the firebox and smoke pipe hole every week to determine the rate at which creosote or ash is accumulating within the furnace Cleaning should be done whenever there is more than inch of build up on the heat exchanger or 3 inches of ash in the base See FIG S202 10 CLEANING PROCEDURE 1 Make sure fire is completely out and the furnace has cooled 2 Remove the smoke pipe located...

Page 8: ...r if it is not permanently lubricated with 4 6 drops of SAE 30 oil in each bearing CAUTION Failure to keep air filter clean will result in poor furnace performance and possible damage to wood furnace heat exchanger 1 6 Safety If the furnace overheats due to improper operation the following precautions should be taken 1 DO NOT shut off power The blower must be kept running to disperse excessive hea...

Page 9: ...ower Failure only if optional gravity air inlet kit is installed For optimum heating during a power failure follow the procedure listed below 1 Remove the power failure gravity air inlet cover before starting or refueling during power failure The cover is an option available from your KERR dealer The kit must be installed on the cabinet side directly opposite to the entry of the blower or oil furn...

Page 10: ...aximum loading level middle of loading door or overheating may result i This unit is NOT suitable for automatic stoking j Load carefully Do not slam fuel against rear or sides of firebox this may damage the firebox k Always observe the following minimum clearances to combustible materials Front 48 1220 mm one side 6 152 mm opposite side and rear 24 610 mm and flue pipe 18 465 mm l Do not store sol...

Page 11: ...SCOTTY SS INSTRUCTION MANUAL Scotty SS Nov 05 10 SECTION 2 INSTALLATION INSTRUCTIONS ...

Page 12: ...writers and the CSA Standards for solid fuel burning equipment as outlined in B365 01 In all cases consult your local authorities and fire insurance company for specific regulations 2 2 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 th...

Page 13: ...in 457 mm in front and 8 in 204 mm on all sides 2 4 Flue Pipe and Chimney The furnace must be located to meet a minimum venting distance needed between the furnace and the flue It should also be ducted so that there are a minimum number of elbows used The flue pipe must be installed with a gradual rise of or more per foot from the furnace to the flue NEVER ALLOW THE SMOKE PIPE TO RUN DOWNHILL TO T...

Page 14: ...tions such means shall be capable of maintaining at the flue collar the pressure specified by the appliance manufacture NOTE For the purpose of this Clause draft controls include ash pit air control dampers dampers or draft slides wherever located over fire and flue pipe key dampers and check draft controls located on or in the flue pipe d The flue pipes of the appliances are connected to a manifo...

Page 15: ... and must meet all local building electrical and fire codes Follow the National Standard of Canada Installation Code for Solid Fuel Burning Appliances and Equipment CSA B365 01 the National Board of Fire 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 in...

Page 16: ...culation Fan Switch if Optional Relay is not used Fig S202 5C Disconnecting the circulation fan low speed switch If the red wire from the circulation fan switch in the furnace wiring box were disconnected from the yellow wire leading to the blower compartment and both red and yellow wires marretted off then there would be no need for the switching relay Honeywell R4222D 1013 or equiv In that case ...

Page 17: ...selected neutral side of the relay coil and the other end into the blower neutral wire location where initial white wire was removed 5 Remove the black high speed wire from the blower motor this should be the selected blower heating speed and connect it to the power side of the relay coil no relay spade 6 Connect the black wire item 3 to the second spade of the selected power side of the relay coi...

Page 18: ...in 152 mm Use only 16 x 20 in duct S type interconnection for this furnace Make all duct connections for the 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 c DO NOT relocate any of the safety ...

Page 19: ...e must be at full operating temperature Take one temperature measurement in the front of the oil furnace plenum 12 to 16 up or approximately center Take a second measurement in the wood furnace plenum same position Subtract one measurement from the other to arrive at a temperature difference TD The TD must be between 40º F and 100º F during normal operation and ideally around 80º F The same adjust...

Page 20: ...nnect the chain to the damper door level and to the bottom hole in the damper motor wheel As a final adjustment bend the top chain link slightly to vary the damper position L4064R Wood Furnace Limit Control The fan and limit control mounted in the plenum controls the operation of the circulating blower and limits the air temperature to prevent the furnace from overheating Set Points 1 ON is usuall...

Page 21: ... c 50 Pa or that recommended by the electric furnace manufacturer it may be corrected by the following means 1 Change blower pulley size usually decrease 2 Change blower motor pulley usually increase 3 Increase return air duct if restricted If pressure is less than 0 2 w c 50Pa It may be corrected by increasing the flow area in the return air duct 4 If it is a direct drive blower in an oil furnace...

Page 22: ...eral minutes to reach their true reading With the thermometer in the same position in the hot air stream take two successive readings 10 minutes apart if they are the same the temperature reading may be taken as stabilized To check your thermometer accuracy immerse it in boiling water it should read 212 F 2 9 Additional Notes DO NOT relocate any of the safety controls in the original oil furnace i...

Page 23: ...touching hot surfaces FLUE AND SMOKE PIPE INSPECTION 1 Flue inner size equivalent to 7 round or larger 2 Separate entry and lower to flue for both solid fuel and oil or gas smoke pipes 3 Smoke pipe 24 gauge or better 4 Smoke pipe secured by screws 5 Draft regulator if used set at 05 w c maximum 6 Clearances of smoke pipe 18 or better from combustible material Metal protection is recommended DEALER...

Page 24: ...SCOTTY SS INSTRUCTION MANUAL Scotty SS Nov 05 23 SECTION 3 ADD ON TO OIL FURNACE ...

Page 25: ...service The installation shall comply with CSA standard B365 Installation Code for Solid Fuel Burning Appliances and Equipment Changes made to the oil furnace installation shall comply with CSA standard B139 Installation Code for Oil Burning Equipment 3 1 COMBUSTION AIR SUPPLY FOR WOOD AND OIL BURNING APPLIANCES It is important to provide adequate combustion air to the furnace It may be necessary ...

Page 26: ...S202 4 IMPORTANT If necessary move main ducts to meet safe clearance requirements of ADD ON wood furnace See Fig S202 1 3 2 1 S Type Duct Connection Fig S202 2 Use only 10 x 20 S type duct interconnection Duct elbows must be increasing from 10 x 20 to 12 x 20 clinch collar type DO NOT use duct elbows having an inside radius less than 6 3 2 2 Divided Plenum Fig S202 4 The Kerr Scotty SS DB 202A is ...

Page 27: ...le up in wheel Leave bottom chain link open for emergency disconnect see description below 4 T822D1826 thermostat In oil ADD ON installations mount adjacent to oil thermostat and label wood Heat anticipator setting 0 32 amps See description below 5 Switching Relay White Rodgers 8A05A 4 or equivalent Prevents wood furnace and oil furnace from firing at the same time Damper Control mounting plate c ...

Page 28: ... to both close fire damper door and prevent oil furnace from starting if furnace overheats M847 Damper Motor See Fig S202 2 S202 5 The damper motor should be located as shown in Fig S202 2 The damper door lever should be attached to the damper motor wheel with the included chain Be sure that the damper door is fully closed when the damper motor is off or not powered Connect the chain to the damper...

Page 29: ...SCOTTY SS INSTRUCTION MANUAL Scotty SS Nov 05 28 SECTION 4 ADD ON TO ELECTRIC FURNACE ...

Page 30: ...optional Use the clinch collar type duct elbow 17 x 17 432 x 432 mm increasing to 12 x 20 305 x 508 mm with an inside radius greater than 6 152 mm Kerr Part No A12117 DO NOT use duct elbows with inside radius less that 6 152 mm 4 1 2 OTHER APPROVED ELECTRIC FURNACES Fig S202 6 The Scotty SS is also approved for other electric furnace 10 25 kW output as long as 1 The electric furnace is approved to...

Page 31: ...FURNACE BE MOUNTED DOWN OR COUNTER FLOW WITH KERR KIT A12240 SHOWN IN Fig S202 6 THIS EQUIPMENT MAY ONLY BE INSTALLED AND TESTED BY QUALIFIED PERSONNEL Installation shall comply with CSA standard B365 Installation Code for Solid Fuel Burning Appliances and Equipment Changes made to electric furnaces shall comply with CSA standard C22 2 No 23 Electric Central Warm Air Furnaces 4 2 1 DUCT CONNECTION...

Page 32: ... S202 7 Fig S202 8 1 Install Scotty SS and Electric furnace as shown in Fig S202 6 and S202 7 2 Wire as shown in Fig S202 8 3 Check pressure drop across Scotty SS as 0 2 wc 50Pa as described in Section 2 7 1 4 4 CONTROL SYSTEM Fig S202 8 Fig S202 9 Electrical Schematic for ADD ON to Nortron FRK type electric furnace control system See S202 8 Electrical Schematic for ADD ON to other type electric f...

Page 33: ...2D1826 thermostat In ADD ON installations mount adjacent to electric furnace thermostat and label wood Note anticipator setting 0 32 amps See description below 4 White Rodgers 8A05A 4 Switching Relay Prevents wood furnace and electric furnace from firing at the same time 5 Damper Control stand off mounting plate c w decal 6 Cable stand off brackets and cable clips 7 12 x 8 sheet metal screws 8 Wir...

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Page 48: ...lly excepted from coverage under this warranty 7 The warranty of the repaired or replaced heat exchanger is limited to the period of the unexpired portion of the original warranty 8 No furnace or part thereof shall be returned to Kerr except pursuant to Kerr s written authorization 9 Except to the extent of the cost to the repair or replacement of the heat exchanger in accordance with the terms an...

Page 49: ...after called the furnace against defects of materials and or workmanship appearing within a period of five years from date of installation All other parts and accessories of the furnace in accordance with the warranty if any given by the respective supplier or manufacturer to Kerr CAUTION When burning green wet wood careful inspection should be made of your chimney and smoke pipe to ensure a build...

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