Groove
for the
Locking Clip
Locking
Clip
Limit
Stop
Position
Indicator
Tab
Back of
the Actuator
Sleeve
*34636461G*
Installation Instructions M9216
Issue Date October 2017
34-636-461, Rev. J
M9216 Series Electric Spring Return Actuators
Installation
IMPORTANT: The M9216 Series actuator is
intended to control equipment under normal
operating conditions. Where failure or malfunction of
an M9216 actuator could lead to an abnormal
operating condition that could cause personal injury
or damage to the equipment or other property, other
devices (limit or safety controls) or systems (alarm or
supervisory) intended to warn of, or protect against,
failure or malfunction of an M9216 actuator must be
incorporated into and maintained as part of the
control system.
Parts Included
• M9216 actuator
• M9000-100 NPT conduit adaptor and nut
(two included for actuators with switches or a
feedback potentiometer)
• M9000-160 anti-rotation bracket
• two No. 12-24 x 1/2 in. self-tapping hex
washer-head screws
• 5 mm manual crank
For GGA models:
Special Tools Needed
• Drill with a 3/16 in. (No. 15, 4.57 mm) drill bit
• Torque wrench with 10 mm socket
• 7 mm and 5/16 in. (8 mm) nut driver
• Digital voltmeter
Spring Return Direction
The actuator is factory set to spring return in a
Counterclockwise (CCW) direction.
Clockwise (CW)
To change the spring return direction to CW, refer to
Figure 1 and proceed as follows:
1. Turn the actuator over. Use a flat-blade
screwdriver to release the locking clip, and remove
it from the coupler.
2. Remove the coupler and sleeve from the front of
the actuator, and slide the sleeve off the coupler.
• one M9000-106 pluggable 4-terminal block
For GGC models:
• two M9000-105 pluggable 3-terminal blocks
• one M9000-106 pluggable 4-terminal block
© 2017 Johnson Controls 1
Part No. 34-636-461, Rev. J www.johnsoncontrols.com
Figure 1: Changing the Spring Return Direction
CCW Spring Return DirectionCW Spring Return Direction
Guide Marks
Front
0
0
9
0
9
0
3
0
3
0
6
0
6
0
Guide Marks
Back
Triangle on Each Scale to Mar k Scale Selection
Gap in Sle ev e R im
Smooth Side of Sl eeve
(See Figure 3.)
209 mm
211 mm
213 mm
0
U-bolt
with
Clamp
Nuts (2)
Anti-rotation
Bracket
Note: “A” is the distance from the center of
the holes in the anti- rotation brac k et to
the center of the shaft. (See Table 1.)
Shaft
Center
A
Manual
Crank
Inserted in
the Override
Gear
Coupler
Position
Indicator
9
0
9
0
6
0
60
3
0
3
0
0
0
3. Insert the sleeve into the back of the actuator with
the smooth half of the sleeve inserted first. Make
sure the gap in the sleeve rim aligns with the
two guide marks on the back of the actuator shown
in Figure 2.
Note: The drive direction of the actuator is reversed
when the sleeve is changed from the front to the back
of the actuator.
Figure 2: Location of Guide Marks
4. Align the tab on the coupler with the gap in the
sleeve rim, and insert the coupler into the front of
the actuator.
5. Replace the locking clip to secure the coupler and
sleeve in the actuator.
Mounting
IMPORTANT: Make sure the space between the
back of the actuator and the mounting surface is at
least 5/32 in. (4 mm).
M9216 actuators may be mounted in any convenient
orientation. They may be installed on a 3/8 to 3/4 in.
(9.5 to 19 mm) round or a 3/8 to 5/8 in. (9.5 to 16 mm)
square shaft, 3 in. (76 mm) or longer. If the shaft is
less than 3 in. (76 mm) long, install an extension
recommended by the damper or valve manufacturer.
For 1 in. (25.4 mm) outside diameter shafts, use the
M9000-154 1 in. Jackshaft Coupler.
To mount the actuator, proceed as follows:
IMPORTANT: The tab on the anti-rotation bracket
must fit midpoint in the actuator slot to prevent
actuator binding and premature wear.
1. Refer to the “A” Dimensions in Table 1 and
Figure 3 to ensure the tab on the anti-rotation
bracket fits midway in the actuator slot.
Table 1: Shaft Sizes and Distances from
the Anti-rotation Bracket to Shaft Center
Shaft Diameter 5/8 in. 1/2 in. 3/8 in.
“A” Dimensions 8-1/4 in. 8-5/16 in. 8-3/8 in.
6. Fill in the triangle on the actuator cover with a
Counterclockwise
For the actuator to spring return in a CCW direction,
refer to Figure 3 and proceed as follows:
1. Turn the actuator over. Use a flat-blade
2. Remove the coupler from the front of the actuator
3. Insert the sleeve into the front of the actuator with
Note: Make sure the gap in the sleeve rim aligns with
the two guide marks on the front of the actuator.
4. Repeat Steps 4, 5, and 6 of the previous section.
marking pen to indicate the scale being used.
screwdriver to release the locking clip, and remove
it from the coupler.
and the sleeve from the back of the actuator.
the smooth half of the sleeve inserted first.
(See Figure 2.)
Figure 3: Mounting Positions
2 M9216 Series Electric Spring Return Actuators Installation Instructions
No. 12-24 Sheet
Metal Screws (2)
Slot for Bracket
Anti-r otation Bracket
Damper
Frame
Tab
Cover Screw
Note: Rotation limiters are shown
factory set in the ful ly down
position for 90° rotation.
0
3
0
6
0
9
0
0
3
0
Limit Sto p
Screws
(2 on Each
Limiter)
Rotation
Limiters (2)
0
10
30
20
(Increments
correspond
to thos e on
the opposite
side.)
2. Bend or cut the anti-rotation bracket to fit the
damper frame or duct as shown in Figure 4.
Figure 4: Anti-rotation Bracket Positions
3. Use the anti-rotation bracket as a guide, and drill
the holes in the damper frame or duct for the
bracket (based on the measurements obtained in
Table 1 and Figure 3).
Note: When installing the actuator to a
Johnson Controls damper, use the existing holes in the
damper frame.
4. Attach the anti-rotation bracket to the damper
frame or duct with the two self-tapping screws
provided, using a 1/4 in. (7 mm) flat-blade
screwdriver or 5/16 in. (8 mm) nut driver.
Rotation Range
The actuator is factory set for 0 to 93° rotation. The
rotation range is changed by adjusting the rotation
limiters. This may be done by using an input signal or
the manual crank. To change the rotation range using
the manual crank:
IMPORTANT: Turn the manual crank in a
CW direction only, unless locking a new position.
1. Push the manual crank firmly into the manual
override gear (shown in Figure 3), and wind in a
CW direction until the position indicator reaches
the 45° position.
2. Lock this position by winding the manual crank
1/4 turn CCW or until a slight resistance is felt.
3. Use a 7 mm nut driver to loosen the screws on the
rotation limiter. (See Figure 5.)
IMPORTANT: Do not overtighten the mounting
screws to avoid stripping the threads.
5. Slide the actuator onto the damper shaft,
positioning the anti-rotation bracket tab into the slot
at the bottom of the actuator. (See Figure 4.)
6. Insert the manual crank. Push it in firmly, and turn
it CW four or five turns (position indicator should
be between the 3 and 5° mark on the actuator
scale). Turn the manual crank 1/4 turn CCW to
lock this position.
7. Close the damper tightly.
8. Keeping the actuator flat, evenly hand tighten each
clamp nut onto the U-bolt. Secure the U-bolt to the
damper shaft to achieve a torque of 100 to
125 lb∙in (11 to 14 N∙m).
9. Turn the manual crank CW to release the spring,
and remove the manual crank. (The actuator
spring returns to its starting position.)
10. Verify that the actuator rotates freely throughout
the range. (This may be done by applying a full
stroke control signal or reinserting the manual
crank and turning it CW to rotate the coupler to the
fully open position.)
Figure 5: Rotation Limiters
4. Slide the rotation limiter to the desired position,
and retighten the screws to a maximum of
30 lb∙in (3.4 N∙m).
Examples of rotation limiter adjustments:
• For a rotation range of 30°, adjust both limiters
fully up.
• For a range of 45°, adjust one rotation limiter
to 30° and the other to 15°.
• For a range of 60°, adjust one limiter to 30°,
and leave the other at 0°.
5. Reinsert the manual crank into the manual
override gear.
6. Repeat Steps 2 through 5 to set the rotation range
for the second rotation limiter.
7. Release the manual crank spring lock by winding
the crank 1/4 turn in a CW direction.
M9216 Series Electric Spring Return Actuators Installation Instructions 3
90°
90°
0.0 V
2.0 V
10.0 V
8.7 V
7.3V
6.0 V
4.7 V
3.3 V
10.0 V
8.3 V
6.7 V
5.0 V
3.3 V
1.7 V
75°
75°
60°
60°
45°
45°
30°
30°
15°
15°
0°
0°
Rotation R an ge
2-10V
Feedback
0-10V
Feedback
Direct
Acting
1000Ω
135 Ω
113
Ω
667 Ω
90
Ω
45
Ω
167Ω
(Ω is ohms.)
Ω
Ω
0
0
833
Ω
68
Ω
23
Ω
0-135 oh ms
Feedback
0-1000 ohms
Feedback
Ω500
333 Ω
Direct or
Reverse
Acting
2-10 V
Feedback
Reverse
Acting
0-10V
Feedback
0.0 V 1.7 V
3.3 V
5.0 V 6.7 V
8.3 V
10.0 V
10.0 V8.7 V
7.3 V
6.0 V
4.7 V
3.3 V
2.0 V
Rotat io n Lim i t er
Adjustment
Rotat io n Lim i t er
Adjustment
Note:
0-135 ohms feed back is available on AGD models and
0 to 1000 ohms feedback on AGE models. .
0-10 V or 2-10 V is available on GGx, HGx, and JGx models.
!
8. Remove the manual crank, and return it to its
original position on the actuator cover.
Notes: When changing the rotation range on the
xGC models with auxiliary switches, one or
both switches may need to be adjusted. See the
Auxiliary Switches (xGC Models) section.
When changing the rotation range on HGx models with
zero and span potentiometers, both potentiometers
must be adjusted. See the Potentiometers
(HGx Models) section.
Feedback Signal
The feedback signal varies with a change to the
rotation range. The resistance feedback is reduced
corresponding to the reduced rotation range for the
AGD and AGE models. For the HGx and JGx models,
a change to the rotation range changes the feedback
signal and the operating range. This applies to the
GGx models only in the fixed mode. (See Figure 6.)
Note: Refer to the Setup and Adjustments, Fixed or
Auto Mode (GGx Models) section for the GGA and
GGC models. Once calibrated, a change to the rotation
range does not affect the feedback signal and
operating range of the GGx models.
Wiring
CAUTION: Equipment Damage Hazard.
Disconnect all power supplies before wiring
connections are made, or prior to performing
maintenance. Check all wiring connections before
applying power to the system. Short-circuited or
improperly connected wires will result in permanent
damage to the equipment.
IMPORTANT: Install all quick-connect terminals in
the same direction to prevent shorting. (See Figure
7.)
Figure 7: Orientation of Terminals
Observe the following when wiring an M9216 actuator:
• Make all wiring connections in accordance with the
National Electrical Code and local regulations.
• Note that there is a 25-second delay for all models
(except the BGx and GGx), before the actuator
responds after power is applied.
Figure 6: Nominal Feedback Signal Relative to the
4 M9216 Series Electric Spring Return Actuators Installation Instructions
Rotation Range
• Do not switch 24 VAC from CW to CCW
(or CCW to CW) on the AGx models in less than
0.5 seconds.
Refer to Figure 8 for the applicable M9216 actuator.
T erminal Block 1
T erminal Block 2
NC
NO
NO
NC
21 22 23 24 25 26
Switch S1
10°
Switch S2
80°
Auxiliary Switches
(Shown Factory Set)
Models: AGC, BGC,
HGC, and JGC
* CW rotation for the On/Off mo dels when the coupler is inserte d in the front of the
actuato r, but CCW rotation when it is inserted in the back of the actuator .
Models: AGD = 0 to 135 ohms
AGE = 0 to 1000 ohms
CW
0% 100%
11 12 13
Feedback
Potentiometer
24 VAC
24 VDC
CW CCW
COM
Floating Control
Models: AGA, AGC, AGD, and AGE
On/Off Control
24 VAC
24 VDC
1 2 3 4
1 2 3 4
CW
*
^
-
~
+
~+~
+
~
+
^
-
COM
1 2 3
On/Off Control
Model s: BGA and BGC
*
24 VAC
24 VDC
~
+
^
-
COM CW
0-20 mA
0-10 V
0-10 V
Proportional Control
Models: HGA and HGC
24 V
+ +
+
+
^
-
1 2 3 4 5 6
1 = Common
2 = Power
3 = Calibration Out
(for HGA and HGC
models only)
4 = Current Input
5 = Voltage Input
6 = Feedb ack Output
~
+
NC
NO
NO
NC
Switch S1
10°
Switch S2
80°
Auxiliary Switches
(Shown Factory Set)
Models: GGC
Note: NC is normally closed, NO is
normally open, and C is common.
C1 NC1 NO1 C2 NO2 NC2
^
-
0-10 V
Proportional Control
Models: GGA and GGC
24 V
+
+
COM
(Extra)
COM
VAC/
VDC
VDC/
mA
FB
Note: COM is common, and
FB is feedback.
~
+
^
-
0-10 V or 0-20 mA
Resistive Input Control
Models: JGA and JG C
1 2 3 4 5 6
COM
CCW CW
100-10 k ohms
0-10 V
24 V
Note: Terminals 3 and 4 function as
CCW and CW references when
the R es istiv e models are in the
DA mod e, but as CW and CCW
references when these models
are in the RA mode.
+
+
+
^
-
^
-
~
+
Plugs
(Conduit Openings)
Cover
Screw
Wiring is made through the conduit openings or
through the conduit adaptor, which converts the
opening for a threaded NPT conduit fitting.
Through the Conduit Openings
Depending on the M9216 model selected, one or both
conduit openings are used. Refer to Figure 9 and
proceed as follows:
1. Loosen the cover screw with a Phillips No. 2
screwdriver, and remove the actuator cover.
2. Push the plastic plug out of the conduit opening
with fingertip.
Figure 8: Wiring Diagra ms for M9216 Models
Figure 9: Location of the Conduit Open ings
3. Insert the cable wires through the hole in the
conduit plug, and connect to the terminals using
the appropriate wiring diagrams in Figure 8.
M9216 Series Electric Spring Return Actuators Installation Instructions 5
Capture
Nut
Opening
Conduit Fitt ing
(Not Provided)
1 Common
2 Common
3 Power
4 Control Signal
5 Feedb ack Output
101
102
103
(CCW) RA
(CW) DA
Mode Switch 2
Factory Set
Direct Acting (DA)
Reverse Acting (RA)
Rotation Direction
with Inc re as ing Signal
Mode Switch 4
Factory Set
mA VDC
Auto Fixed
Mode Switch 1
Factory Set
2-10
0-10
Mode Switch 3
Factory Set
Slave Master
Mode Switch 5
Factory Set
T erminal Block 2,
Auxil iary Switches for
GGC (See Figure 8.)
LED
With the M9000-100 Conduit Adaptor (Included)
To use a conduit adaptor, proceed as follows:
1. Push the plastic plug out of the conduit opening
with fingertip.
2. Slide the capture nut into the slot located inside of
the conduit opening. (See Figure 10.)
Figure 10: Capture Nut
3. Insert the conduit adaptor into the conduit opening,
and hand tighten by turning in a CW direction as
shown in Figure 11.
Conduit Adapt or
Conduit
Tandem Operation
The tandem configuration provides 280 lb∙in (32 N∙m),
twice the torque of a single unit. The actuators operate
in exact synchronization, ensuring the load is split
evenly between each unit.
Use two actuators from the same model group (BGx,
GGx, or HGx) for tandem operation. BGx models must
be wired in parallel for tandem operation. GGx models
employ Mode Switch 5, and HGx models employ
Jumper W4.
IMPORTANT: When connecting two actuators backto-back on the same shaft, set the coupler on one
unit to spring return in the opposite direction from the
other unit. (Refer to the Installation, Spring Return
Direction section.)
Note: Manual override does not function after the
actuators configured for tandem operation are
mounted to a shaft.
GGx Models
GGx models are factory set with Mode Switch 5 in the
master position. Designate one unit as the master
actuator. Refer to Figure 12, and proceed as follows:
Figure 11: Conduit Adaptor Wiring
IMPORTANT: Use flexible metallic conduit or its
equivalent with the fitting. Do not overtighten the
conduit adaptor assembly into the actuator to avoid
damaging the actuator housing.
4. Insert the conduit fitting (not provided) into the
adaptor, and hand tighten in a CW direction.
(See Figure 11.)
5. Insert the cable wires through the conduit adaptor
assembly, and connect to the terminals using the
wiring diagrams in Figure 8.
6. Tighten the clamp on the conduit fitting.
6 M9216 Series Electric Spring Return Actuators Installation Instructions
Figure 12: Mode Switch Settings for GGx Models
Zero Potentio m eter
Span Potentiometer
Adjustable
Fixed
Jumper W3
Factory Set
(CCW) RA
(CW) DA
Jumper W1
Factory Set
Jumper W2
1 2 3 4 5 6
Factory Set
Voltage Input
0-10 VDC 2-10 VDC
Current Input
0-20 mA 4-20 mA
Feedb ac k O utp ut
0-10 VDC 2-10 VDC
1 Common
2 Power
3 Calibration Output
4 Curre nt Input
5 Voltage Input
6 Feedb ac k Output
Direct Acting (DA)
Reverse Acting (RA)
Rotation Direction
with Inc re as ing Signal
Jumper W4
Terminal
Block 1
101
102
103
Master
Slave
Note: Jumpers W1, W2, and
W3 have no effect when
the actuator is in the
slave mode.
Terminal Block 2,
Auxiliary
Switches
(See Figure 8.)
DA/CCW
DA/CW
RA/CW
1. Move Mode Switch 5 on the other GGx actuator to
the slave position.
2. Connect the control signal to the master actuator
only, and set the remaining mode switches on the
master unit according to the action and signal
range desired. (Refer to the Calibration section.)
3. Connect Terminals 101, 102, and 103 from the
master actuator to the corresponding terminals on
the slave actuator. (See Figure 12.)
Note: The total wire length for these connections
may be up to 30 ft (9 m).
4. Connect 24 VDC or VAC power to each actuator.
HGx Models
HGx models are factory set with Jumper W4 in the
master position. Designate one unit as the
master actuator. Refer to Figure 13, and proceed as
follows:
3. Repeat Steps 3 through 4 from the GGx Models
section.
If the actuators configured for tandem operation stall or
do not drive:
• Make sure both actuators are from the same
model group.
• Make sure one actuator is set as the master and
the other actuator as the slave.
• Make sure the control signal is connected to the
master actuator only.
• Make sure Terminals 101, 102, and 103 are
connected properly.
• Make sure the couplers are properly installed.
(Refer to the Installation, Spring Return Direction
section.)
Setup and Adjustments
Calibration
Only the actuator designated as the master needs to
be calibrated when two BGx, GGx, or HGx models are
used in tandem.
1. Move Jumper W4 on the other HGx actuator to the
2. Connect the control signal to the master actuator
Figure 13: Settings for HGx Models
slave position.
only, and set the remaining jumpers on the master
unit according to the action and signal range
desired. (Refer to the Calibration section.)
Direction of Action
Drive direction is dependent on the position of
Jumper W1 or Mode Switch 2 and the spring return
direction as shown in Table 2. To change the spring
return direction, see the Installation, Spring Return
Direction section.
Table 2: Settings for Direction of Action
Location of
Jumper or
Mode Switch/
Direction of
Spring Return
RA/CCW CW CCW
To set an actuator for Reverse Acting (RA), proceed to
the section for the applicable model.
AGx Models
Reverse the control wiring connections at Terminals 3
and 4 to select RA operation for the floating models.
(See Terminal Block 1 in Figure 8.)
M9216 Series Electric Spring Return Actuators Installation Instructions 7
Drive
Direction with
a Minimum
Input Signal
CCW CW
CW CCW
CCW CW
Drive
Direction with
a Maximum
Input Signal
BGx Models
RA is selected by changing the actuator sleeve from
the front to the back of the actuator. (See the
Installation, Spring Return Direction section.)
GGx Models
GGx models are factory set with Mode Switch 2 in the
DA mode. Move Mode Switch 2 to the RA mode.
(See Figure 12.)
HGx and JGx Models
HGx and JGx models are factory set with Jumper W1
in the DA position. Move Jumper W1 to the
RA position. (See Figure 13.) Apply power and a
control signal to the actuator to verify proper operation.
(See Table 2.)
Note: HGx models may require potentiometer
settings. Proceed to the Potentiometers (HGx Models)
section.
Fixed or Auto Mode (GGx Models)
The GGx models are factory set with Mode Switch 1 in
the fixed position shown in Figure 12, where a
0 to 10 VDC input signal (selected with Mode
Switches 3 and 4) corresponds with a 0 to 93° rotation.
If the rotation range is reduced, the end-stop is
reached with a reduced input signal. For example, if a
0 to 10 VDC input signal is selected and the rotation
range is limited to 75°, the end-stop is reached at 8 VDC.
The AUTO calibration or auto mode enables the
actuator to redefine the selected input signal and
feedback proportionally across a reduced rotation
range. The actuator stores the reduced range in
nonvolatile memory (retains data when power is lost or
removed).
To activate the auto mode, move Mode Switch 1 to the
auto position, and leave it in this position. The actuator
spring returns to the normal position, drives to the full
stroke position, and stores these positions in
nonvolatile memory. The actuator drives to the setpoint
determined by the control signal applied after going
through the auto mode. During normal operation, if the
actuator stroke increases in the auto mode due to seal
or seat wear, the input is redefined to the increased
rotation range in approximately 2° increments.
Note: If the actuator’s direction of spring return,
rotation range, or the linkage is changed, respan by
moving Mode Switch 1 to the fixed position for
5 seconds and then back to “auto”. This reinitiates the
auto mode. (The feedback output remains 0 to 10 VDC,
unless Mode Switch 3 is positioned for 2 to 10 VDC.)
LED (GGx Models)
The GGx models have a Light Emitting Diode (LED)
indicator shown in Figure 13. When the actuator is
driving to position, the LED flashes five times every
second. When the unit is AUTO calibrating, the LED
flashes ten times every second. When the unit is idle,
the LED flashes once every 2-1/2 seconds.
Mode Switches (GGx Models)
GGx models are factory set with Mode Switch 1 in the
fixed position, Mode Switch 2 in the DA position,
Mode Switch 3 in the 0 to 10 position, Mode Switch 4
in the VDC position, and Mode Switch 5 in the
master position. (See Figure 12.)
Jumpers (HGx and JGx Models)
HGx models are factory set with Jumper W1 in the
DA position, Jumper W2 in the 0 to 10 VDC or
0 to 20 mA position, Jumper W3 in the fixed position,
and Jumper W4 in the master position. (See
Figure 13.)
Note: JGx models are supplied with only one jumper,
Jumper W1, to select the direction of action.
Potentiometers (HGx Models)
IMPORTANT: Both zero and span potentiometers
must be adjusted for full actuator travel and
complete calibration.
HGx models have two potentiometers, zero and span.
These potentiometers do not require adjustment when
Jumper W3 is in the fixed position (factory set). When
Jumper W3 is in the adjustable (ADJ) position,
proceed as follows:
Use either Terminals 3 and 5 or Terminals 3 and 4, a
control signal, and a voltmeter. The zero and span
potentiometers may be adjusted as follows without
waiting for the actuator to drive to the final position.
Adjusting the Zero and Span
1. Verify that Jumper W2 is in the 0 to 10 VDC
position, and Jumper W3 is in the ADJ position.
(See Figure 13.)
2. Provide 24 VAC or 24 VDC power to Terminal 1
(Common) and Terminal 2.
3. Connect the Common from the controller to
Terminal 1, and either a voltage signal to Terminal
5 or a current signal to Terminal 4.
4. Connect Terminals 1 and 3 to a voltmeter to
monitor the calibration output.
8 M9216 Series Electric Spring Return Actuators Installation Instructions
5. Use a 1/8 in. (3 mm) flat-blade screwdriver to turn
Position
Indicator
Plunger
Manual
Crank
CCW
90°
Nodule G uides
(10° Increments)
Edge of
Switch S1
Edge of
Switch S2
0°
CCW
the zero potentiometer fully CW and the span
potentiometer fully CCW.
6. Apply the minimum (zero point) control signal
required for positioning the actuator at the
minimum position.
7. Monitor DC calibration output. To adjust the
zero potentiometer, turn it CCW until the voltmeter
displays 0 volts or slightly less.
8. Adjust the control signal to the maximum voltage
desired to cause full rotation. (Signals greater than
10 volts have no further effect.)
9. Monitor calibration output at Terminals 1 and 3.
Adjust the span potentiometer CW to increase the
calibration output to 10 volts.
10. Verify that the actuator is properly calibrated by
adjusting the control signal to the minimum and
maximum levels.
Example for a zero of 3 VDC and a span of 5 VDC:
a. Apply a 3-volt control signal to the actuator,
and turn the zero potentiometer CCW until the
calibration output at Terminal 3 is 0 volts.
b. Apply maximum voltage. (In this case, it is
8 VDC, which results in a span of 5 volts.)
c. Monitor calibration output at Terminal 3, and
adjust the span potentiometer CW until
10 volts is reached.
Note: Mechanical movement is not immediate due to
a delay in the actuator’s response to the control signal.
Auxiliary Switches (xGC Models)
The xGC models have two built-in auxiliary switches,
which may be set for any angle between 0 and 90°
(factory set for 10 and 80°) using either an input signal
or the manual crank. (Refer to the Technical Data
section for auxiliary switch ratings.)
The following procedures serve as examples to
change the position of the auxiliary switch angles.
Switch S1
To change the angle of Switch S1 to 20°, refer to
Figure 14 and proceed as follows:
Figure 14: Switch Angle Settings
1. Insert the manual crank into the manual override
gear.
2. Push in and turn the manual crank CW. Using the
0 to 90° nodule guides, rotate the coupler until the
position indicator is at 20°.
3. Rotate Switch S1 CCW, aligning the edge of the
switch with the plunger until the plunger rises. (See
Figure 14.)
Note: The normally closed contact closes, and the
normally open contact opens. (See Auxiliary Switches
in Terminal Block 2 from Figure 8.)
Switch S2
To change the angle of Switch S2 to 70°, refer to
Figure 14 and proceed as follows:
1. Push in and turn the manual crank CW. Using the
0 to 90° nodule guides, rotate the coupler until the
position indicator is at 70°.
2. Rotate Switch S2 CCW, aligning the edge of the
switch with the plunger until the plunger rises. (See
Figure 14.)
Note: The normally closed contact opens, and the
normally open contact closes. (See Auxiliary Switches
in Terminal Block 2 from Figure 8.)
3. Turn the manual crank CW to release the spring,
and remove it. (The actuator will spring return the
coupler to the 0° position.)
4. Replace the actuator cover, and return the manual
crank to its original position on the actuator cover.
Repairs and Replacement
Field repairs must not be made. For a replacement or
an accessory, refer to the Ordering Information section
in the M9216 Series Electric Spring Return Actuators
Product Bulletin (LIT-2681068).
M9216 Series Electric Spring Return Actuators Installation Instructions 9
Technical Data
Product
M9216 Series Electric Spring Return Actuators
Power Requirements
AGx, H Gx, JGx: 20 to 30 VAC at 50/60 Hz or 24 VDC ±10%, 12 VA supply, Class 2
(0 to 50°C) or 18 VA supply from -22 to 32°F (-30 to 0°C), Class 2
Input Signal
AGx: 24 VAC at 50/60 Hz or 24 VDC, 4.8 mA (on/off mode, 500 mA maximum)
JGx: Potentiometer value is 100 ohms minimum to 10,000 ohms maximum
Input Signal Adjustments
AGx Factory Setting: Terminals 1 and 3, CW rotation; Terminals 1 and 4, CCW rotation
with signal increase.
Input Impedance
GGx, HGx: Voltage Input, 200,000 ohms; Current Input, 500 ohms
JGx: 1.8 Megohms
Feedback Signal
AGD: 135 ohm feedback potentiometer
JGx: 0 to 10 VDC for 90° (10 VDC at 1 mA)
Auxiliary Switch Rating
xGC: Two SPDT (Single-Pole, Double-Throw) rated at 24 VAC, 1.5 A inductive,
3.0 A resistive, 35 VA maximum per switch, Class 2
Spring Return
Factory Setting: CCW; Direction is selectable with the coupler.
Mechanical Output
(Running Torque)
All Models: 140 lb∙in (16 N∙m) for one unit
BGx, GGx, HGx: 280 lb∙in (32 N∙m) for two units in tandem
Rotation Range
Adjustable from 30 to 90°, CW or CCW, mechanically limited to 93°
Rotation Time
70 to 130 seconds for 0 to 140 lb∙in (0 to 16 N∙m); 90 seconds nominal at 50% rated load
power failed spring return is less than 15 seconds.)
Cycles
65,000 full stroke cycles
Electrical Connection
GGx: 1/4 in. spade terminals with pluggable terminal blocks
M9000-100: One included with all models; two included with AGD, AGE, and xGC
Mechanical Connection
3/8 to 3/4 in. (10 to 20 mm) diameter round shaft; 3/8 to 5/8 in. (10 to 16 mm) square shaft
Enclosure
NEMA 2, IP42
Ambient Conditions
Operating, GGx: -22 to 122°F (-30 to 50°C); 0 to 95% RH, non-condensing
Storage, All Models: -40 to 186°F (-40 to 86°C); 0 to 95% RH, non-condensing
Dimensions (H x W x D)
9.82 x 4.57 x 3.62 in. (249.4 x 116.0 x 91.9 mm)
Shipping Weight
6.4 lb (2.9 kg)
Agency Compliance
UL 873 Listed, File E27734, CCN XAPX
CE Mark, EMC Directive 89/336/EEC
Controls Group
Milwaukee, WI 53201 www.johnsoncontrols.com
BGx: 20 to 30 VAC at 50/60 Hz or 24 VDC ±10%, 10 VA supply, Class 2
GGx: 20 to 30 VAC at 50/60 Hz or 24 VDC ±10%, 14 VA supply from 32 to 122°F
BGx: 24 VAC at 50/60 Hz or 24 VDC, 420 mA maximum
GGx, HGx: 0 to 10 VDC or 0 to 20 mA
BGx Factory Setting: Terminals 1 and 2, CW rotation
GGx (Voltage or Current Input):
Switch Selectable: 0 (2) to 10 VDC or 0 (4) to 20 mA
Factory Setting: 0 to 10 VDC, CW rotation with signal increase
HGx (Voltage Input or Current Input):
Jumper Selectable, Fixed: 0 (2) to 10 VDC or 0 (4) to 20 mA
Adjustable: Zero, 0 to 6 V (0 to 12 mA); Span, 2 to 10 V (4 to 20 mA)
Factory Setting: 0 to 10 VDC, 0 to 20 mA, CW rotation with signal increase
GGx, HGx, JGx: Direction of action is user selectable Direct (CW) or Reverse (CCW)
AGE: 1,000 ohm feedback potentiometer
GGx, HGx: 0 to 10 VDC or 2 to 10 VDC for 90° (10 VDC at 1 mA)
Corresponds to input signal span selection and rotation limits.
(Powered rotation is faster in the spring return direction than in the spring winding direction;
All Other Models: Screw terminals for 22-14 AWG; maximum of two 18, 20, or 22 AWG each
All Other Models: -4 to 122°F (-20 to 50°C); 0 to 95% RH, non-condensing
CSA C22.2 No. 139 Certified, File LR85083, Class 3221 02
The performance specificati ons are nominal and conform to acceptable industry standards. For application at condi tions beyond these
specifications, consult the local Johnson Controls office. Johnson Control s shall not be liable for damages resulting from misappl i c ation or
misuse of its products .
507 E. Michigan Street
P.O. Box 423 Printed in U.S.A.
10 M9216 Series Electric Spring Return Actuators Installation Instructions
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