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Manual 2100-581B
Page 8 of 26
FIGURE 3A
W17A2, W17L2, W18A2, W18L2, W24A2, W24L2
MOUNTING INSTRUCTIONS
12"
12"
12"
12"
12"
20"
20"
1"
3"
4"
Typ.
8"
20
1
2
"
12"
1"
3
1
8
"
4"
Typ.
5"
7
8
"
3
13
16
"
2" 2"
7
1
16
"
1
16
"7
CONTROLSAND HEATER ACCESS
NOTES:
TOP
TOP FLASHING AT TIME OF INSTALLATION.
OPENING
MIS-3157
ENTIRE LENGTH OF TOP.
RETURN AIR
DUCT
Wall Opening and Hole Location View Right Side View
OF CAULKING ALONG
PANEL
FOAM AIR SEAL
WALL STRUCTURE
WALL
HEATER ACCESS
RAIN FLASHING
SILICONE CAULKINGBE PLACEDBEHIND
IS ON OPPOSITE (LEFT) SIDE.
THE SIDE MOUNTING FLANGES AND UNDER
SEAL WITH BEAD
IT IS RECOMMENDED THAT A BEAD OF
W**A UNIT SHOWN, W**L UNIT
SUPPLY AIR
SUPPLIED
Return Opening
Supply Opening