Unitary products group EB SERIES, Руководство по установке

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035-15266-003 Rev. A (0804)
4 Unitary Products Group
DUCT CONNECTORS (7990 SERIES)
=
These duct connectors are for connecting the furnace to an under the floor supply duct system.
The furnace may be installed on combustible flooring without a separate sub-base.
FIGURE 4 :
DUCT CONNECTOR DIMENSIONS (7990 SERIES)
12
13
11
14
SEE
CHART
18 3
4
18
3
4
2 3
8
2 3
8
2 3
8
2 3
8
3
8
4
2 3
8
2 3
8
DUCT CONNECTORS FOR
SCREW ATTACHMENT
13
11
18
14
3
4
2 3
8
2 3
8
2 3
8
2 3
8
SEE
CHART
12
18
3
4
2 3
8
2 3
8
3
8
4
DUCT
CUTOUT
DIMENSIONS
DUCT CONNECTORS FOR
TAB ATTACHMENT
FIGURE 5 :
RECOMMENDED FLOOR CUT-OUT (7990
SERIES)
2-3/4
MIN.
23-1/4
20-1/2
9-7/8
2-1/8
1-3/8
6-3/8
9-3/4
20
3-1/4
1-1/8
15
15
1
REAR WALL
OF ENCLOSURE
CEILING CUT-OUT
FOR ROOF JACK
FLOOR CUT-OUT
FOR DUCT
CONNECTOR
FURNACE
OUTLINE
OPTIONAL
ELECTRIC
ENTRANCE
FLOOR
FUTURE REFRIGERANT
LINE ENTRANCE
FIGURE 6 :
DUCT CONNECTOR DEPTH
(7990 SERIES)
DUCT CONNECTOR
DEPTH
FLOOR
FLOOR
JOIST
SUPPLY DUCT