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DAKA Furnace Model 621 

November 2009 Edition 

 

 

Revision 2: 7-20-12 

overheating, which could cause severe warpage or breakage. 

5.  The air jacket top and side may be removed to provide more radiant heat to 

help cool the firebox. 

 

CAUTION:  DO NOT expect the DAKA furnace to keep the house as warm 

during a power failure as when power is on.  Do no attempt to 
increase heat output by opening ash door or fire door. 

 

B. In Case of a Chimney Fire: 

1.  Call the fire department immediately. 
2.  Reduce room thermostat to lowest point to shut off auto dampler. Use 

chimney fire extinguishing flares if you have them. (Available at your local 
home store or fireplace and woodstove shops). 

3.  After chimney fire, do not attempt to use chimney again until a professional 

inspection is made to determine safety. 

Summary of Contents for 621

Page 1: ...long as the heat produced by the supplementary furnace keeps the living area temperature above the setting on the primary furnace wall thermostat the primary furnace should not burn any gas oil or use...

Page 2: ...ator 283 with adjustable settings available at extra cost 5 Installation of this furnace in mobile homes or garages is prohibited 6 This furnace must be installed on a non combustible floor surface su...

Page 3: ...STIBLE MATERIAL WITHIN MARKED INSTALLATION CLEARANCES INSPECT AND CLEAN FLUES AND CHIMNEY REGULARLY CAUTION HOT SURFACES KEEP CHILDREN AWAY DO NOT TOUCH DURING OPERATION MAXIMUM DRAFT MARKED ON NAMEPL...

Page 4: ...e beyond 3 o clock position to permit full opening of door Close door with handle in same position rotate counterclockwise to lock B Insert thermal gasket 6 between ash door 5 and ash pan 7 front and...

Page 5: ...uit connector not included for field wiring connections B Make all wiring connections per the schematic in FIG 6 making all connections shown with wire nuts provided Check all wiring connections for t...

Page 6: ...NUM MUST BE METAL on air jacket top with tin snips or sabre saw as needed using starting collar to attach 2 Install ductwork with proper clearances to combustibles in accordance with local building co...

Page 7: ...ower on and off when heat is received from the DAKA furnace See FIG 1 for fan control location IMPORTANT Normal operation will produce flue gas temperatures in the 300 600 F range If higher or lower o...

Page 8: ...warm during a power failure as when power is on Do no attempt to increase heat output by opening ash door or fire door B In Case of a Chimney Fire 1 Call the fire department immediately 2 Reduce room...

Page 9: ...contain could rust your furnace over the summer months thereby shortening the life of the unit X TROUBLE SHOOTING A Problem Smoke puff back when loading poor burning insufficient heat Solutions 1 Insu...

Page 10: ...discoloration obtain a high temperature flat black spray paint from hardware or fireplace shop If problems persist or help is needed in installation or operating of furnace contact Customer Service D...

Page 11: ...upply plenum must be metal EXAMPLE 6 Minimum Listed Type HT Chimney serving DAKA Furnace Only Minimum 12 Round Cold Air Return Pipe Connected To Filter Box Inlet Primary Furnace natural gas electric o...

Page 12: ...oring Wall Clearances to Combustibles Furnace to sidewall 18 Flue to sidewall 27 Furnace to back wall 32 Flue to back wall 23 Furnace to front wall 48 Sides of DAKA furnace to primary furnace 9 From S...

Page 13: ...Page 13 of 15 DAKA Furnace Model 621 November 2009 Edition Revision 2 7 20 12 FIG 5 Alternative Warm Air Plenum Pipe Insert Designs FIG 6 Wiring Schematic...

Page 14: ...te 59650001 1 11 Grate Spacer A 57660001 1 12 Firebrick 57600001 15 13 Hinge Assembly A Bolt Bag B 30720 36212 1 14 Blower 550 cfm 63610004 1 15 Air Jacket Top Panel 64590210 1 16 Air Jacket Bottom Pa...

Page 15: ...in other than residential service connected to conventional basement type up flow central heating system if non approved fuels are used in firing of units or if unit is damaged due to accident improp...

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