SCOTTY SS DB-202A, Owner'S Manual

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SCOTTY SS – INSTRUCTION MANUAL
Scotty SS Nov-05 30
THAT THE BLOWER IN THE ELECTRIC FURNACE IS AT LEAST THAT USED IN 20
KW FURNACE.
IMPORTANT – approved configuration for Scotty SS DB 202A Add-On to electric
furnaces shown in section 4.2.1 of manual.
4.2 DUCT CONNECTIONS TO ELECTRIC FURNACE
(Fig S202-6)
Scotty SS DB-202A may be connected downstream of a new or existing electric
furnace. The blower from the existing furnace provides the air circulation. The Scotty
SS DB-202A may only be connected downstream from an electric furnace having a
rating (on original name plate) of between 10 and 25 kW.
For details and required duct clearances see Fig. S202-6. The minimum cross-
sectional area of ductwork from the wood furnace should be 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.
WE RECOMMEND THE NORTRON ELECTRIC 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 CONNECTIONS
(Fig S202-6, Fig S202-7)
The dimensions and locations of permissible openings in casings for ducts, blower and
emergency air are clearly identified on the wood furnace or on specific templates
enclosed in the firebox.
Make or enlarge the opening in the wood furnace casing exactly as identified for ADD-
ON connection and on the appropriate side, trim the wood furnace insulation flush with
cut opening. Fasten edges of insulation securely with metal straps or bend tabs of duct
starting collar over insulation to hold it in place.
Make all duct connections for the “L” type interconnection – See Fig. S202-6, S202-7
IMPORTANT – main supply and return ducts must meet minimum clearance to
combustibles requirements for ADD-ON wood furnace. – See Fig. S202-6.