Mixing Box/Filter Mixing Box, Typical Damper Arrangement; Mixing Box/Filter Mixing Box, Sizes 07-21 - Carrier 39T Installation, Start-Up And Service Instructions Manual

NOTE: Top/rear dampers shown. For both top/rear and bottom/rear
dampers, adjust the connecting rod so that one damper is closed when
the other is open.
Fig. 36 — Mixing Box/Filter Mixing Box, Typical Damper Arrangement
Fig. 37 — Mixing Box/Filter Mixing Box, Sizes 07-21 —
Typical Damper Arrangement (Top and Rear)
OUTDOOR AIR DAMPER
(CW OPENING)
ACTUATOR
30 DEGREES CCW
FROM PERPENDICULAR
AXIS
CONNECTING ROD
TYPICAL DAMPER
SECONDARY LINKAGE
TYPICAL DAMPER SECONDARY LINKAGE
LEGEND
CCW — Counterclockwise
CW — Clockwise
46
MIXING BOX
PARALLEL AXIS
BETWEEN
DAMPERS
RETURN AIR
DAMPER
(CW OPENING)
30 DEGREES CW
FROM PARALLEL
AXIS