Johnson Controls VA7800 Series Product Bulletin

VA7800 Series Electric Valve Actuators
Product Bulletin
VA7800 Series
The VA7800 Series of Electric Valve Actuators control
VG7000 Series Bronze Globe Valves in Heating,
Ventilating, and Air Conditioning (HVAC) systems. The
VA7800 Series produces a minimum linear output force
of 180 lb (800 N) and is ordered field mounted or
factory coupled to 1 in. and 2 in. VG7000 Series
Bronze Globe Valves with brass trim and to 1/2 in.
through 2in. VG7000 Series Bronze Globe Valves with
stainless steel trim. All actuators are direct mount and
available in both Spring Return and Non-Spring Return
models.
Spring Return models ship from the factory set for
DC 0 to 10 V Proportional Control. With a change of
DIP switch settings, this model can be field configured
to On/Off or Floating Control. In addition to these
settings, optional auxiliary switches are also available.
Non-Spring Return models are available in AC 24 V
On/Off (Floating) Control, or DC 0 to 10 V Proportional
Control. Models are available with or without optional
auxiliary switches.
Table 1: Features and Benefits
Features
Automatic Stroke Adjustment
Manual Override as Standard
NEMA 2 (IP54) Enclosure Protection
Unique Swing-Gate Yoke
Brushless Motor
Proportional Model
Force-Controlled Motor Shut-Off
Stroke Position Indicator
Status Light-Emitting Diode (LED)
Optional Integrated Auxiliary Switches
Integral Cable with Colored Conductors
Integral Connector for 3/8 in. (10 mm)
Flexible Metal Conduit (FMC)
Underwriters Laboratories Inc.® (UL)
and CE Compliant
Refer to the
Benefits
Provides easy, quick, and precise commissioning.
Allows manual positioning of valve for easy commissioning and servicing.
Allows installation in a wide range of environments.
Offers fast and secure attachment to the valve.
Ensures low energy consumption and long life.
Enables one model to be used for various control types.
Reduces energy consumption, wear of the actuator, and protects the valve from
excessive forces.
Gives visual indication of valve operation, provides automatic adjustment of
stroke indicators during first cycle of operation.
Gives visual indication of actuator status and assists with diagnostic.
Provides adjustable switch points with line voltage capability.
Simplifies installation and field wiring.
Simplifies installation and field wiring.
Provides internationally recognized regulatory agency approval.
VA7800 Series Electric Valve Actuators Product Bulletin
QuickLIT website for the most up-to-date version of this document.
Figure 1: VA7800 Actuator
1
Code No. LIT-12011474
Issued June 2018