Install Instructions

M9220-HGx-3 Proportional Electric Spring Return Actuators Installation Instructions 11
Position information, DC 0(2) to 10 V, is available on
the slave actuator(s) feedback wire (orange).
Note: Electrical override still functions after the
actuators configured for tandem operation are mounted
to a damper shaft. The actuator has a 150-second
drive time when operating in this mode.
Energizing Master (DHF1) and
Slave (DFM1) Actuator(s)
Before energizing the actuators, the zero and span
voltage settings must be complete on the master
actuator. See Setting the Zero (Y1) and Span Voltages
(Y2-Y1).
1. Place the master (HGx) mode selector to the
desired RA/DA position.
2. Place the master (HGx) adjustment potentiometer
at the 10 volt setting, labeled Master, to set the
actuator in the Master mode.
3. Place the slave (GGx) mode selector switch in
slave mode position (refer to the M9220-GGx-3
Proportional Electric Spring Return Actuators
Installation Instructions [Part No. 34-636-1697]).
4. Connect the master feedback wire to the slave’s
command wire.
5. Connect the master command wire to the host
command signal wire. Connect the slave feedback
signal wire to the host system’s feedback wire.
6. Energize the master and slave actuator.
Note: Make sure all switch settings for the
master/slave configuration are completed properly. If
the switches are set incorrectly, the actuators may
appear to work satisfactorily, but excessive gear
movement may result, which greatly reduces the unit’s
life expectancy.
Resetting Factory Defaults for an HGx
Actuator
To reset an HGx actuator to the factory default
condition:
1. Remove power from the actuator.
2. Connect the HGx Command (gray) wire to its own
Feedback (orange) wire.
3. Energize the HGx actuator.
4. Wait 5 seconds.
5. Remove power from the actuator.
6. Disconnect the HGx Command (gray) wire to its
own Feedback (orange) wire.
7. Proceed with normal installation.
Figure 17: Tandem Connection - Three Actuators
F
i
g
:
t
n
d
m
2
12
34
Y
BLK
RED GRY ORN
0(2)...10 VDC
+
Master
(HGx)
12
34
U
BLK
RED GRY ORN
+
DC 0...20V Control with Multiple Slaves
Slave
(GGx only)
24 V
AC/DC
~ (+)
0...20 VDC
COM
+
12
34
BLK
RED GRY ORN
Slave
(GGx only)
+