Honeywell MP909E Datasheet
INSTALLATION INSTRUCTIONS
Copyright © 1996 Honeywell Inc. • All Rights Reserved
MP909E
UL Listed Damper Actuator
BEFORE INSTALLATION
The MP909E UL Listed Pneumatic Damper Actuator is used
for control of Leakage Rated (Smoke) Dampers, classified
under Underwriters Laboratories Standard 555S, for use in
smoke control systems.The MP909 is a piston-type, rolling-
diaphragm operated actuator and can be mounted in any
position and installed either externally or internally.
The UL listing of the actuator and the damper classification
apply only when Listed Honeywell Actuators are installed on
Honeywell D640SD, D641SD, D644SD, or D645SD Series
Dampers as specified in the installation instructions shipped
with the devices.
All installations must also comply with the requirements of
NFPA 90A, National Fire Protection Standard for the
Installation of Air Conditioning Systems.
Table 1 lists the only MP909 Actuators approved for use with
UL Classified Leakage Rated (Smoke) Dampers.
Table 1. Damper Actuators for Leakage Rated Dampers.
Actuator
Model Spring Range
psi (kPa) Mounting Bracket
MP909E1422 5-10 (34-69) Internal/
Normally
Open
Trunnion
MP909E1414 5-10 (34-69) Internal/
Normally
Closed
Trunnion
MP909E1034 5-10 (34-69) External 90°Fixed
MP909E1364 5-10 (34-69) External Trunnion
Mainline pressure limits:
— 15 psi minimum
— 25 psi maximum
Tools needed:
1. 7/16-inch box end wrench
2. 1/8-inch Allen wrench
3. Squeeze bulb
INSTALLATION
External Mounting
1For external mounting dimensions, see Figure 1.
2Check faceplate position (Fig. 2).Adjust faceplate
position if necessary.
3Determine the damper drive axle direction of rotation to
the normal position (position with 0 psi applied to
actuator).
4Rotate damper drive axle to normal position.
5Locate proper shaft hole (Fig. 3) over damper shaft.
Arrow on bracket surrounding hole should match
rotation determined in Step 3.
6Position mounting bracket.
7Secure mounting bracket. Use four of the 10 holes
available in bracket and drill screws provided.
8To provide close-off force, use a squeeze bulb and
stroke the actuator:
a. For normally open dampers, fully extend actuator
shaft then retract 1/2-inch (13 mm).
b. For normally closed dampers, extend actuator
shaft 1/2-inch (13 mm).
CAUTION
See Figure 4 for proper tightening of crankarm bolts.
9Go to PIPING section.
Internal Mounting
Normally Closed
1For normally closed internal mounting dimensions, see
Figure 5.
2Check faceplate position (Fig. 6).Adjust faceplate
position if necessary.
3Use a 1/8-inch Allen wrench to loosen mounting set
screws on damper mounting clamp (Fig. 6) one turn.
Remove and discard shipping stop.
4Locate factory-installed drive ear on damper. (Mounted
per Damper Ordering Instructions.) Actuators must be
mounted only in this (these) position(s)
95-6076
11-95 UL
MP909E UL LISTED DAMPER ACTUATOR
95-6076 2
17
(430)
1-1/8 (30) CLEARANCE
1-1/8 (30) CLEARANCE
MP909E
1-1/2
(39)
1-1/2
(39)
6-7/8
(175)
5-3/4
(145)
AXLE
ROTATION TO
NORMAL
C8092
Fig 1. External Mounting Dimensions in Inches (Millimeters).
FACEPLATE
MOUNTING
BRACKET
C8209
90°
AXLE
ROTATION TO
NORMAL
MOUNTING HOLES
C8208
CRANKARM
CLEVIS PIN LOCATION ON
3.1-INCH STROKE OPERATORS
(FACTORY INSTALLED)
1-3/8(35)
REF.
1-5/8 INCH (41 MM) FOR 3.1 INCH STROKE
OPERATORS AND N.C. DAMPERS
1
1
Fig. 2. External Mounting Faceplate Positioning.
Fig. 3. External Installation.
5Remove mounting screw from damper end of truss link.
Loosen screw between base and truss link. Remove
clevis pin from damper end of actuator pushrod.
6Set actuator in place by hooking actuator mounting
clamp over bottom edge of damper frame.
7Set damper to the normal (closed) position.
8Insert clevis pin in drive ear hole marked P and the
pushrod hole nearest the actuator.
9Connect truss link to damper and tighten both truss link
screws.
JTighten damper mounting screws.
KGo to PIPING section.
MP909E UL LISTED DAMPER ACTUATOR
95-6076
3
1. BOLTS ARE TIGHTENED TO MORE THAN 90 LB-IN
BUT LESS THAN 200 LB-IN.
2. TIGHTEN BOTH BOLTS (WITH 7/16 BOX END
WRENCH IF AVAILABLE).
3. TIGHTEN EACH BOLT AGAIN TO THE REQUIRED
TORQUE.
C8211
CRANKARM BOLTS
Fig. 4. Crankarm Bolt Tightening.
Fig. 5. Internally Mounted Normally Closed Mounting Dimensions in Inches (Millimeters).
3/8 (10) CLEARANCE
17
(430)
EDGE OF
DAMPER
6-3/8
(160)
C8210
FACEPLATE PARALLEL
TO BACK EDGE OF
MOUNTING BRACKET
C8212
TRUSS
LINK TRUSS LINK
MOUNTING
SCREW 1
1
FACEPLATE
PIVOT PLATE
PUSHROD
1-13/32 INCH (36 MM) REF.
DAMPER
DRIVE EAR
E HOLE
CLEVIS PIN
(P HOLE)
DAMPER
MOUNTING
CLAMP
SHIPPING
STOP
SETSCREWS MOUNTING
BRACKET
PUSHROD
DAMPER
DRIVE EAR
CLEVIS PIN
(P HOLE)
DETAIL A
TOP VIEW
CLIP
Fig. 6. Internal Mounting Normally Closed Damper.
MP909E UL LISTED DAMPER ACTUATOR
95-6076 4
Normally Open
1For internal mounting dimensions, see Figure 7.
2Check faceplate position (Fig. 6). Adjust faceplate
position if necessary.
3Use 1/8-inch Allen wrench to loosen set screws on
mounting clamp (Fig. 6) one turn. Remove and discard
shipping stop.
4Determine height of damper drive blade. Dampers
with 10, 12, 18, 26, 34, and 42-inch B dimensions
have 8-inch drive blades. All others have 6-inch drive
blades.
5For installation with 6-inch drive blades, go to Step 6.
For installation with 8-inch drive blades, remove clevis
pin A (Fig. 8) and reinstall in pushrod hole marked 8.
(Hole in crankarm marked 90.)
6Locate factory installed drive ear on damper. (Mounted
per Damper Ordering Instructions.) Actuators must be
mounted only in this (these) position(s).
7Loosen truss link to actuator base mounting screw.
Remove clevis pin C from damper pushrod.
8Set actuator in place by hooking mounting clamp over
bottom edge of damper frame.
9Connect damper pushrod to damper drive ear with
clevis pin.
JTighten set screws on mounting clamp.
KConnect truss link to damper and tighten both truss link
screws.Truss link must be bent slightly.
17
(430)
EDGE OF
DAMPER
6-1/2
(165)
C8213
MP909E
Fig. 7. Internal Mounting Normally Open Dimensions in Inches (Millimeters).
C8214
1
1REFERENCE DIMENSIONS:
4-INCH STROKE (FACTORY
SET) = 3-3/16 INCH (81 MM)
CLEVIS
PIN C
CLEVIS PIN B
(FACTORY INSTALLED)
DAMPER
PUSHROD
CLEVIS PIN "A" LOCATION
FOR 8-INCH DRIVE BLADE
CLEVIS PIN "A" LOCATION
FOR 6-INCH DRIVE BLADE
(FACTORY INSTALLED)
Fig. 8. Internal Mounting Normally Open Installation.
Piping
Special piping is required for Leakage Rated (Smoke)
Damper actuators.The piping from the actuator to the device
which interfaces to the smoke control system must be 1/4-inch
copper tubing or as required by local code. 1/4-inch polyester
tubing pigtails are provided with the actuator to interface with
the copper tubing.
Figure 9 shows how to adapt 1/4-inch copper tubing to
polyester tubing. CCT1635B compression adapters connect
the 1/4-inch copper tubing to the 1/4-inch polyester.These
adapters must be ordered separately.
Copper tubing can be connected directly to the actuator as
shown in Figures 10 and 11.
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 PolyesterTubing to
1/4-Inch CopperTubing.
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 CopperTubing.
C8215
DAMPER
FRAME
DUCT FLOOR
1/4 IN COPPER
TUBING MP909E
ACTUATOR
Fig. 11. Routing CopperTubing NearTrunnion 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.
MP909E UL LISTED DAMPER ACTUATOR
95-6076 6
Helping You Control Your World
Home and Building Control
Honeywell Limited-Honeywell Limitée
155 Gordon Baker Road
North York, Ontario
M2H 2C9
95-6076 1-96 Printed in U.S.A.
Home and Building Control
Honeywell Inc.
Honeywell Plaza
P.O. Box 524
Minneapolis, MN 55408-0524
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