61
I20683 - Subject to change.
TTF
TTF24 (-S)
On-off, Spring Return FailS-Safe, 24 V
Wiring Diagrams
1 Common
2 + Hot
2
24 VAC Transformer
TTF24
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.
1 Common
2 + Hot
2
24 VAC Transformer
TTF24-S
3
S1
S2
S3
NC
NO
0° to 95°
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.
On-off wiring for TTF24
W467
W468
TTF24 (-S) Typical Specification
On-off spring return damper actuators shall be direct
coupled type which require no crankarm and linkage and
be capable of direct mounting to a shaft up to a 1/2”
diameter and center a 1/2” shaft. The actuators must be
designed so that they may be used for either clockwise or
counterclockwise fail-safe operation. Actuators shall be
protected from overload at all angles of rotation. If required,
one SPDT auxiliary switch shall be provided having the
capability of being adjustable. Actuators with auxiliary
switch must be constructed to meet the requirements for
double insulation so an electrical ground is not required
to meet agency listings. Actuators are cULus listed
certified and be manufactured under ISO 9001 International
Quality Control Standards. Actuators shall be as
manufactured by Belimo.
CAUTION
INSTALLATION NOTES
2
Equipment damage!
Actuators may be connected in parallel.
Power consumption must be observed and input
impedance must be observed.
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.
APPLICATION NOTES
Meets cULus or UL and CSA requirements without
the need of an electrical ground connection.
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