MP909E UL LISTED DAMPER ACTUATOR
95-6076
5
CCT 1635B
COMPRESSION
ADAPTER
1/4 IN.
POLYESTER
TUBING
1/4 IN.
BARBED
FITTING
ACTUATOR
C8216
Fig. 9. Transition Piping for 1/4-Inch Polyester Tubing to
1/4-Inch Copper Tubing.
NOTE: For actuators using the trunnion mounting bracket,
leave enough tubing free of rigid supports to allow
the actuator to swivel on the trunnion bracket without
flexing the copper tubing (Fig. 11).
CCT 1421
REPLACE BRASS
FERRULE WITH
RED FERRULE (CCT1574)
(NOTE ORIENTATION)
REPLACE BRASS
FERRULE
1/4 IN.
BARBED
FITTING
ACTUATOR
C8217
TO
CONTROLLER
NUT
NUT
1/4 IN.
COPPER
TUBING
Fig. 10. Transition Piping for 1/4-Inch Barbed Fitting to 1/4-Inch Copper Tubing.
C8215
DAMPER
FRAME
DUCT FLOOR
1/4 IN COPPER
TUBING
MP909E
ACTUATOR
Fig. 11. Routing Copper Tubing Near Trunnion Pivot.
Multiple Actuators
Multiple actuators must be piped so the Smoke Control
System operates all sections of multisection dampers
simultaneously.
Pipe multiple MP909E actuators in parallel (Fig. 12).
MP909E
MP909E
MP909E
C1468
TO SMOKE
CONTROL
Fig. 12. MP909E Parallel Installation.