Wiring Diagrams
77
I20683 - Subject to change.
TGMB
TGMB24-3 - Typical Specification:
Floating point, on/off control damper actuators shall be
electronic direct-coupled type, which require no crankarm
and linkage and be capable of direct mounting to a shaft up
to 1.05” diameter. Actuators shall have brushless DC
motor technology and be protected from overload at all
angles of rotation. Actuators shall have reversing switch
and manual override on the cover. Run time shall be
constant and independent of torque. Actuators are cULus
listed, and be manufactured under ISO 9001 International
Quality Control Standards. Actuators shall be as
manufactured by Belimo.
TGMB24-3
On/Off-Floating Point Control, Non-Spring Return, Direct Coupled, 24 V
2
3
5
24 VAC Transformer
a open
a closed
The indication of direction
is valid for switch position 1.
Blk (1) Common
Red (2) +
Wht (3) +
TGMB24-3
a
Line
Volts
–
1
0
WARNING
Live Electrical Components!
During installation, testing, servicing and troubleshooting of this product, it maybe
necessary to work with live electrical components. Have a qualified licensed electrician
or other individual who has been properly trained in handling live electrical components
perform these tasks. Failure to follow all electrical safety precautions when exposed
to live electrical components could result in death or serious injury.
W478
24 VAC Transformer
The indication of direction
is valid for switch position 1.
Blk (1) Common
Red (2) +
Wht (3) +
TGMB24-3
Line
Volts
–
1
0
2
3
5
WARNING
Live Electrical Components!
During installation, testing, servicing and troubleshooting of this product, it maybe
necessary to work with live electrical components. Have a qualified licensed electrician
or other individual who has been properly trained in handling live electrical components
perform these tasks. Failure to follow all electrical safety precautions when exposed
to live electrical components could result in death or serious injury.
W479
On/Off
Floating point or On/Off control
CAUTION
2
Equipment damage!
Up to 4 actuators may be connected in parallel.
With 4 actuators wired to one 500
Ω
resistor.
Power consumption must be observed and input
impedance must be observed.
APPLICATION NOTES
Meets cULus or UL and CSA requirements without
the need of an electrical ground connection.
INSTALLATION NOTES
3
5
Actuator may also be powered by 24 VDC.
Actuators with plenum rated cable do not have
numbers on wires; use color codes instead.
Actuators with appliance cables use numbers.
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