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DAKA Furnace Model 622
2008 Edition
Rev 2B: 11-9-12
FIG. 1
– Typical Installation As Supplementary “Add-On” Furnace
FIG. 2
– Typical Independent Central Furnace Installation
A - STACKHEAD
B - VERTICAL STACK
(2 STORY HOUSE)
C - REGISTER BOOT
D -
6” DIA. OR LARGER HEAT PIPE
E - RECTANGULAR DUCT
F - RECTANGULAR DUCT REDUCER
G - SIDE DUCT STARTING COLLAR
H - END BOOT (RIGHT OR LEFT)
I - DUCT DAMPER
J - 50°
SHORT ELBOW
K - BASEMENT HEAT REGISTER
L - UNIVERSAL OR TOP TAKE-OFF
M - DUCT STARTING COLLAR
(RECTANGULAR)
N - COLD AIR RETURN GRILL
O - COLD AIR PLENUM
P - WARM AIR PLENUM
Q - DUCT END CAP
R - COLD AIR RETURN DUCT
CAUTION:
SEE DUCT CLEARANCES FOR
PROPER INSTALLATION.
CHECK LOCAL CODES.
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, oil)
Location of Fixed
Back Draft Damper to
be installed on
Primary Furnace
90° Elbows installed
inside plenum
(See FIG. 5 for alternatives)
Primary Furnace
Warm Air Plenum
Cold Air
Return
Barometric Regulator
Twin 8” round
warm air outlet
pipes
Fan Control
L4064B
