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Fig. 19 — Outdoor-Air Hood Details
Fig. 20 — Vertical Discharge Block-Off Plate
(Sizes 120,150 only)
ECONOMIZER
CONTROL BOARD
ECONOMIZER
PLUG
ECONOMIZER
MOTOR
TOP
SCREW
Fig. 21 — Durablade Economizer Installed in Unit
ECONOMIZER CONTROL BOARD
ECONOMIZER MOTOR
POSITION SETTING BRACKET
Fig. 22 — Horizontal Durablade Economizer
Installation (90 Degree Rotation)
BLOCK-OFF PLATE
Fig. 23 — Horizontal Discharge Block-Off Plate
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