Fig. 19 — Outdoor-Air Hood Details
Fig. 20 — Vertical Discharge Block-Off Plate
(Sizes 120,150 only)
ECONOMIZER
ECONOMIZER
CONTROL BOARD
PLUG
Fig. 21 — Durablade Economizer Installed in Unit
ECONOMIZER CONTROL BOARD
POSITION SETTING BRACKET
Fig. 22 — Horizontal Durablade Economizer
Installation (90 Degree Rotation)
Fig. 23 — Horizontal Discharge Block-Off Plate
13
ECONOMIZER
TOP
MOTOR
SCREW
ECONOMIZER MOTOR
BLOCK-OFF PLATE