Johnson Controls VA7820-HG 2 Series User Manual

VA7800 Series Electric Valve Actuators Product Bulletin
10
Table 9: VA7820-HGx-2 / VA7830-HGx-2 Series Proportional Electric Spring Return Valve Actuators
Model VA7820-HGx-2 / VA7830-HGx-2
Thrust Force 180 lb (800 N) minimum
Power Supply AC 24 V (AC 19 to 30 V) at 50/60 Hz, Class 2
Transformer Sizing 11 VA
Input Signal Switch Selectable:
Proportional: DC 0 to 10 V, DC 2 to 10 V, 0 to 20 mA or 4 to 20 mA
Programmable Proportional:
Start Point: 0 to 6 VDC (0 to 12 mA)
End Point: 3 to 10 VDC (6 to 20 mA) with a 3 VDC (6 mA) minimum span
On/Off (Floating): AC 24 V at 50/60 Hz
Switch Selectable Direct or Reverse Action with signal increase
Switch Selectable reset actuator position on loss of signal
Control Input Impedance Voltage Input: 100k ohm
Current Input: 120 ohm
Feedback DC 0 (2) to 10 V corresponds to input range
Auxiliary Switch Rating SPDT, AC 230 V, 3.0 A Resistive, 1/4 hp
Stroke 5/16 to 1 in. (8 to 25 mm)
Stroke Speed Slow (Factory Setting) 5/16 in. stroke: 48 seconds
1/2 in. stroke: 76 seconds
3/4 in. stroke: 114 seconds
Fast 5/16 in. stroke: 24 seconds
1/2 in. stroke: 38 seconds
3/4 in. stroke: 57 seconds
Ambient Operating Conditions 23 to 131°F (-5 to 55°C); 10 to 90% RH Noncondensing
Ambient Storage Conditions -40 to 176°F (-40 to 80°C); 5 to 95% RH Noncondensing
Enclosure Rating NEMA 2 (IP54)
Electrical Connection 48 in. (1.2 m) UL 758 Type AWM Halogen Free Cable with 18 AWG
(0.85 mm
2
) Conductors and 0.25 in. (6 mm) Ferrule Ends
Dimensions 9.6 x 4.56 x 8.35 in. (244 x 116 x 212 mm)
Materials Gearbox and Yoke Die Cast Aluminum
Cover Resin ABS/PC - UL94-V0
Stem Stainless Steel
Coupler Brass
Life Cycles 100,000 full stroke cycles
Shipping Weight 7.3 lb (3.3 kg)
Compliance United States UL 60730 Listed Type 1 Enclosure, CCN XAPX, File E194024
Canada UL 60730-1 Listed Type 1 Enclosure, CCN XAPX7, File E194024
Europe CE Mark - Johnson Controls, Inc. declares that this product is in compliance
with the essential requirements and other relevant provisions of the
EMC directive and the Low Voltage Directive.
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from
misapplication or misuse of its products.

Johnson Controls VA7820-HG 2 Series Specifications

General

Brand	Johnson Controls
Model	VA7820-HG 2 Series
Category	Controller
Language	English