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NOTE
SUPPLY
OPENING
1. REMOVE
SCREW
NEAREST
TO THE
OPENINGAND
PULLTHE
PANEL FIRMLY
TOWARD
THE OUTSIDE OF THE UNIT TO
DISENGAGE
THE BACK ATTACHMENT.
RETURN OPENING
2. REMOVE
RIGHT
HAND
SCREW
AND
MOVE
PANEL
TO THE RIGHT
OR RE-
MOVE BOTH SCREWS.
CONVERTING
HORIZONTAL
TO DOWNFLOW
HEATER
EXCHANGER
TUBES
®
SHEET
METAL
HORIZONTAL
RETURN
SCREWS
AIR
COVER
HORIZONTAL
SUPPLY
AIR COVER
REQUIRED
CLEARANCE
FOR UNIT INSTALLATION
AND ROOF
PENETRATION
HOLE SiZE REQUIRED
SERVICE
CLEARANCE
LINES
SERVICE
CLEARANCE
LINES
SIDE RAIL
/
WOOD NAILER _
SERVICE CLEARANCE
& PENETRATION
DIMENSIONS
MODEL NO.
A
B
C
D
E
F
YCZ036F
30"
30"
"12"
30"
44"
25"
YCZ050F
42"
30"
"12"
36"
50"
25"
YCZ060F
* 18" WITH FRESH AIR ACCESSORY
* 30" WITH ECONOMIZER
Page 6
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