| Вид документа | Технічний паспорт |
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| Виробник | JCI |
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| Моделі | VA7810-ADA-2, VA7810-ADC-2, VA7810-AGA-2, VA7810-AGC-2, VA7810-HGA-2, VA7810-HGC-2, VA7820-HGA-2, VA7820-HGC-2 |
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| Група обладнання | valves |
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| Мова документа | англійська |
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| Розмір файлу | 0.3 МБ |
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Про документ
The VA7800 Series of electric valve actuators control VG7000 Series Bronze Globe Valves in HVAC systems. They produce a minimum linear output force of 180 lb (800 N), mount directly on 1/2 through 2 in. VG7000 valves, and are available in both Spring Return and Non-Spring Return models with On/Off, Floating Point or Proportional control.
Ключові дані
| Thrust force | 180 lb (800 N) minimum |
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| Stroke | 5/16 to 1 in. (8 to 25 mm) |
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| Power supply | AC 24 V (AC 19 to 30 V) at 50/60 Hz, Class 2 / AC 230 V (AC 195 to 265 V) at 50/60 Hz (ADx) |
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| Ambient operating conditions | 23 to 131°F (-5 to 55°C); 10 to 90% RH Noncondensing |
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| Enclosure rating | NEMA 2 (IP54) |
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| Life cycles | 100,000 full stroke cycles |
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| Input signal (HGx) | DC 0 to 10 V, DC 2 to 10 V, 0 to 20 mA or 4 to 20 mA (switch selectable) |
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| Auxiliary switch rating | SPDT, AC 230 V, 3.0 A Resistive, 1/4 hp |
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Застосування
- Control of saturated steam, hot water, and chilled water flow under normal equipment operating conditions in HVAC systems
- Fail-in-place on/off or floating point control (VA7810-AGx-2)
- Fail-in-place proportional control (VA7810-HGx-2)
- Fail-safe proportional control with spring return — stem fully retracted on power loss (VA7820-HGx-2), stem fully extended on power loss (VA7830-HGx-2)
Особливості
- Automatic stroke adjustment for easy, quick, and precise commissioning
- Manual override as standard via 5 mm Allen wrench
- IP54 enclosure protection (NEMA 2)
- Unique swing-gate yoke for fast, secure attachment to the valve
- Brushless motor for low energy consumption and long life
- Proportional model usable for various control types (DIP switch selectable)
- Force-controlled motor shut-off reduces energy consumption and wear, protects the valve
- Stroke position indicator
- Status LED for actuator status and diagnostics
- Optional integrated auxiliary switches with line voltage capability
- Integral cable with colored conductors; integral connector for 3/8 in. (10 mm) flexible metal conduit (FMC)
- UL and CE compliant
Технічні дані
| Parameter |
Value |
| Thrust force |
180 lb (800 N) minimum |
| Power supply |
AC 24 V (AC 19 to 30 V) at 50/60 Hz, Class 2; AC 230 V (AC 195 to 265 V) at 50/60 Hz (VA7810-ADx-2) |
| Transformer sizing |
3 VA (VA7810-AGx-2); 8 VA (VA7810-ADx-2); 6 VA (VA7810-HGx-2); 11 VA (VA7820/VA7830-HGx-2) |
| Input signal (AGx-2 / ADx-2) |
On/Off (Floating): AC 24 V (AC 19 to 30 V) at 50/60 Hz; AC 230 V (AC 195 to 265 V) at 50/60 Hz (ADx) |
| Input signal (HGx-2) |
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 3 VDC (6 mA) minimum span; On/Off (Floating): AC 24 V at 50/60 Hz; switch selectable direct or reverse action |
| Feedback |
DC 0 (2) to 10 V corresponds to input range (HGx-2) |
| Auxiliary switch rating |
Two SPDT (AGx/ADx); SPDT (HGx): AC 230 V, 3.0 A Resistive, 1/4 hp |
| Action on power failure |
Spring return: retracted valve stem full up (VA7820), extended valve stem full down (VA7830); non-spring return: fail-in-place |
| Stroke |
5/16 to 1 in. (8 to 25 mm) |
| Stroke speed |
Slow (factory setting): 5/16 in.: 48 s; 1/2 in.: 76 s; 3/4 in.: 114 s. Fast (switch selectable, HGx): 5/16 in.: 24 s; 1/2 in.: 38 s; 3/4 in.: 57 s |
| Ambient operating conditions |
23 to 131°F (-5 to 55°C); 10 to 90% RH Noncondensing |
| Ambient storage conditions (HGx-2) |
-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 mm²) 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 |
5.4 lb (2.45 kg) non-spring return; 7.3 lb (3.3 kg) spring return |
Варіанти замовлення
| Code number |
Input signal |
Power requirements |
Action on power failure |
Aux switches |
Nominal stroke time (seconds) |
| VA7810-ADA-2 |
Floating Point Non-Spring Return 0 (2) to 10 VDC, 0 (4) to 20 mA |
24 VAC 50/60 Hz ±15% |
Fail-in-place |
No |
48 / 76 / 114 |
| VA7810-ADC-2 |
Floating Point Non-Spring Return 0 (2) to 10 VDC, 0 (4) to 20 mA |
230 VAC 50/60 Hz ±15% |
Fail-in-place |
Yes |
48 / 76 / 114 |
| VA7810-AGA-2 |
On/Off Non-Spring Return |
24 VAC 50/60 Hz ±15% |
Fail-in-place |
No |
48 / 76 / 114 |
| VA7810-AGC-2 |
On/Off Non-Spring Return |
230 VAC 50/60 Hz ±15% |
Fail-in-place |
Yes |
48 / 76 / 114 |
| VA7810-HGA-2 |
Proportional Non-Spring Return |
24 VAC |
Fail-in-place |
No |
24/48 / 38/76 / 57/114 |
| VA7810-HGC-2 |
Proportional Non-Spring Return |
24 VAC |
Fail-in-place |
Yes |
24/48 / 38/76 / 57/114 |
| VA7820-HGA-2 |
Proportional Spring Return |
24 VAC |
Retracted valve stem full up |
No |
24/48 / 38/76 / 57/114 |
| VA7820-HGC-2 |
Proportional Spring Return |
24 VAC |
Retracted valve stem full up |
Yes |
24/48 / 38/76 / 57/114 |
| VA7830-HGA-2 |
Proportional Spring Return |
24 VAC |
Extended valve stem full down |
No |
24/48 / 38/76 / 57/114 |
| VA7830-HGC-2 |
Proportional Spring Return |
24 VAC |
Extended valve stem full down |
Yes |
24/48 / 38/76 / 57/114 |
Stroke time per 1/2 in., 1/4 HP (5/16 in. valve stroke), 1/2 and 3/4 in., 1-1/4 in., 1-1/2 and 2 in. VG7000 valves as listed in Table 5.
Допуски та стандарти
- 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 — compliance with essential requirements of EMC directive 2004/108/EC and Low Voltage Directive 2006/95/EC
Позиції каталогу з цим документом
Текст документа
VA7800 Series Electric Valve Actuators
Product Bulletin
Code No. LIT-12011474
VA7800 Series Issued May 3, 2013
Supersedes January 30, 2009
Refer to the QuickLIT website for the most up-to-date version of this document.
The VA7800 Series of Electric Valve Actuators control
VG7000 Series Bronze Globe Valves in Heating,
Ventilating, and Air Conditioning (HVAC) systems. The
VA7800 Series produce a minimum linear output force
of 180 lb (800 N) and are ordered field mounted or
factory coupled to 1/2 through 2 in. VG7000 Series
Bronze Globe Valves. 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. Figure 1: VA7800 Actuator on VG7000 Series
Bronze Globe Valve
Table 1: Features and Benefits
Features Benefits
Automatic Stroke Adjustment Provides easy, quick, and precise commissioning.
Manual Override as Standard Allows manual positioning of valve for easy commissioning and servicing.
IP54 Enclosure Protection Allows installation in a wide range of environments.
Unique Swing-Gate Yoke Offers fast and secure attachment to the valve.
Brushless Motor Ensures low energy consumption and long life.
Proportional Model Enables one model to be used for various control types.
Force-Controlled Motor Shut-Off Reduces energy consumption, wear of the actuator, and protects the valve from
excessive forces.
Stroke Position Indicator Gives visual indication of valve operation, provides automatic adjustment of
stroke indicators during first cycle of operation.
Status Light-Emitting Diode (LED) Gives visual indication of actuator status and assists with diagnostic.
Optional Integrated Auxiliary Switches Provides adjustable switch points with line voltage capability.
Integral Cable with Colored Conductors Simplifies installation and field wiring.
Integral Connector for 3/8 in. (10 mm) Simplifies installation and field wiring.
Flexible Metal Conduit (FMC)
Underwriters Laboratories Inc.® (UL) Provides internationally recognized regulatory agency approval.
and CE Compliant
VA7800 Series Electric Valve Actuators Product Bulletin 1
Application Overview These actuators are configured for response to 0 to
10 VDC, 2 to 10 VDC, 0 to 20 mA, or 4 to 20 mA. Both
IMPORTANT: The VA7800 Series Electric Valve models of actuators can also be custom configured for
Actuators are intended to control saturated steam, valve sequencing. Minimum setpoint is 0 to 6 VDC (0 to
hot water, and chilled water flow under normal 12 mA) and maximum input signal is 3 to 10 VDC (6 to
equipment operating conditions. Where failure or 20 mA). A 0 to 10, or 2 to 10 VDC feedback signal is
malfunction of the VA7800 Series Valve Actuator available for position indication. The actuators feature a
could lead to personal injury or property damage to preset actuator position with a stem that extends or
the controlled equipment or other property, retracts, on loss of signal. When current input is
additional precautions must be designed into the selected, this stem feature is not available.
control system. Incorporate and maintain other
devices, such as supervisory or alarm systems or Operation
safety or limit controls, intended to warn of or protect The VA7800 Series of actuators offers up to 1 in.
against failure or malfunction of the VA7800 Series (25 mm) of linear stroke for the operation of
Valve Actuator. Johnson Controls® VG7000 Series Bronze Control
Valves. The actuators interface to all threaded stem
VA7810-Axx-2 Series Non-Spring Return On/ VG7000 Valves. All actuators can be manually
Off and Floating Point Actuator positioned by means of a 5 mm Allen wrench.
The VA7810-AGx-2 Series Non-Spring Return For non-spring return actuators, engage manual
Actuators provide fail-in-place on/off or modulating operation by inserting the Allen wrench into the
control of valves in HVAC systems. On/Off Control is hexagonal socket and pushing down to cut off the
provided from a manual switch, an auxiliary switch from power to the motor. Turn the Allen wrench clockwise to
a pump contactor, or a similar device. Floating Point extend the actuator stem; turn the wrench
Control is provided from a triac or relay. counterclockwise to retract the actuator stem.
VA7810-HGx-2 Series Non-Spring Return For spring return actuators, manual operation requires
Proportional Actuator that the power be disconnected. On loss of power, the
The VA7810-HGx-2 Series Non-Spring Return actuator spring force moves the stem to its fail-safe
Actuators offer fail-in-place proportional control of position. For manual operation, insert the Allen wrench
valves in HVAC systems regulated by an electronic into the hexagonal socket and turn the wrench either
controller. These actuators are configured for response clockwise or counterclockwise depending on the
to 0 to 10 VDC, 2 to 10 VDC, 0 to 20 mA, or 4 to 20 mA. actuator model. When you reach the desired stem
The VA7810-HGx-2 Series can also be custom position, push the wrench down and slightly rotate the
configured for valve sequencing. The minimum wrench in the opposite direction to lock it in position.
setpoint is 0 to 6 VDC (0 to 12 mA), and maximum When power resumes, the actuator is released from its
input signal is 3 to 10 VDC (6 to 20 mA). A manual position.
0 to 10 VDC, or 2 to 10 VDC feedback signal is
Note: After using manual control to position the
available for position indication. The actuator features a
actuator, it is recommended that a self-calibration cycle
preset actuator position with a stem that extends or
be performed to assure proper operation.
retracts on loss of signal. However, when you select
current input, this stem feature is not available. VA7810-AGx-2 Series Non-Spring Return On/
Off and Floating Point Actuator
VA7820-HGx-2/VA7830-HGx-2 Series
Non-Spring Return Proportional Actuator The VA7810-AGx-2 Series Non-Spring Return
Actuators are offered with On/Off Control or Floating
The VA7820-HGx-2 and VA7830-HGx-2 Series Control. Select these controls by applying power to
Actuators are Spring Return actuators that provide different terminals located on the actuator. For a more
fail-safe proportional control of valves in HVAC detailed procedure, refer to the appropriate installation
systems regulated by an electronic controller. In the instructions for the actuator.
event of power loss, the VA7820-HGx-2 Series
Actuators spring return with the actuator stem fully
retracted and the valve stem in the full up position. On
loss of power, the VA7830-HGx-2 Series Actuators
spring return with the actuator stem fully extended and
the valve stem in the full down position.
2 VA7800 Series Electric Valve Actuators Product Bulletin
For On/Off Control, apply power continuously to Table 2: VA78x0-HGx-2 Series Proportional
Terminal 1 (Common) and Terminal 2 (Power). From Control Actuators DIP Switch Settings
this action, the actuator assumes its fully extended (Part 2 of 2)
stem position. To fully retract the stem, apply power DIP Switch Description State
through the controlling device to Terminal 3. When Number
power is removed from Terminal 3, the actuator returns 6 Preset ON Actuator Stem
to its fully extended position. In the event of power loss, Actuator Extends
the actuator remains in its last position. Position at
OFF Actuator Stem
Signal Loss1
To enable Floating Control, wire Terminal 1 to the Retracts
common. Apply power to Terminal 2 to extend the 7 Stroke ON 76 s/in. (3 s/mm)
actuator stem, or to Terminal 3 to retract the actuator Speed
OFF 152 s/in. (6 s/mm)
stem. If power is removed from Terminal 2 and
8 Not Used Not Used
Terminal 3, or in the event of complete power loss, the
actuator remains in its last position. 1. Control signal loss position preset does not operate when
you select 0 to 20 mA or custom input range control.
VA78x0-HGx-2 Series Proportional Control
Actuators The VA78x0-HGx Series Actuators are a direct acting
The VA78x0-HGx Series Actuators operate with and factory supplied set for 0 to 10 VDC Proportional
Proportional Control, On/Off Control, or Floating Control. Field setting options exist for standard ranges
Control. Changes in DIP switch settings allow the of 0 to 20 VDC (0 to 20 mA) or 2 to 10 VDC (4 to
selection of Control Type, Input Signal, Input Range, 20 mA) control in the field. At the end of a span, the
Action, actuator position at signal loss, and stroke actuator control signal has a buffer zone of 0.3 V
speed. See Table 2 for a detailed reference of DIP (0.6 mA) to ensure definite valve close-off.
switch settings. You can set the actuators for custom signal ranges.
Table 2: VA78x0-HGx-2 Series Proportional Minimum setpoint is 0 to 6 VDC (0 to 12 mA) and
Control Actuators DIP Switch Settings maximum input signal is 3 to 10 VDC (6 to 20 mA).
(Part 1 of 2) Position feedback signal is also available in Table 3.
DIP Switch Description State Table 3: Position Feedback Signal for
Number VA78x0-HGx-2 Series Proportional
1 Control Type ON Floating/on/off control Control Actuators
OFF Proportional control Input Signal Feedback Output
2 Input Signal ON Current input signal 0 to 10 VDC 0 to 10 VDC
OFF Voltage input signal 2 to 10 VDC 2 to 10 VDC
3 Input Signal ON Custom setting 0 to 20 mA 0 to 10 VDC
Range
OFF Pre-defined setting 4 to 20 mA 2 to 10 VDC
4 ON 2 to 10 V (4 to 20 mA) Custom Range 0 to 10 VDC
OFF 0 to 10 V (0 to 20 mA)
5 Action ON Reverse
OFF Direct
VA7800 Series Electric Valve Actuators Product Bulletin 3
All VA78x0-HGx-2 Series Actuators feature a
multicolored LED that provides operational status and
failure analysis information. See Table 4 for a detailed
description of LED color indicators.
Table 4: VA78x0-HGx-2 Series Actuators LED Status and Color Indicators
LED Color
Status Green Yellow Red
Off Power off
Blink Motor running Power on after a black-out1 High temperature3
Temporary fault, possible valve
sticking2
Fast Blink Calibrating Input signal failure
Continuous Power on, motor not running Custom calibration value out of Generic fault
On range
1. After reaching both ends of the stroke, the input signal is recalibrated and the LED switches to green.
2. The actuator leaves this mode only if the push button is pressed for at least 5 seconds, and the previously detected error
has been resolved.
3. This status is temporary. When the detected temperature decreases to the acceptable range, the LED switches back to
green.
The actuator microprocessor carries out a failure The LED also flashes yellow when power resumes
diagnosis when a failure has been detected. The after a power loss. The LED continues to flash yellow
colored LED indicates the actuator status. When the until the end stop is achieved or a recalibration process
microprocessor detects that the stem has come to an is manually started.
unexpected stop, it initiates a retry cycle. The retry
cycle repeats three times, and if unsuccessful, the Wiring Diagrams
actuator switches to fault mode and the LED flashes Figure 2 and Figure 3 show detailed diagrams for the
yellow. If the problem is cleared, the actuator continues wiring configurations of the VA7800 Series Electric
to function normally. Valve Actuators.
VA7810-AGx-2 Wired VA7810-AGx-2 Wired VA7810-ADx-2 Wired VA7810-ADx-2 Wired VA7810-AxC-2
as Floating as OPEN/CLOSE as Floating as OPEN/CLOSE Auxiliary Switches Wiring
FIG:WIR10_axx
Figure 2: VA7810-Axx-2 Wiring Diagram
4 VA7800 Series Electric Valve Actuators Product Bulletin
Figure 3: VA78x0-HGx-2 Wiring Diagram
Mounting • Install the valve with the stem horizontal and
insulate the pipe to minimize heat transfer to the
When mounting the actuator on a valve, the following
actuator for fluid temperatures above 212°F
precautions are recommended:
(100°C).
• Never cover the actuator with insulating material.
• Allow sufficient clearance to remove the actuator.
• Mount the valve in an upright angle or at an angle
less than 90° from the vertical for fluid
temperatures up to 212°F (100°C).
• Orient the actuator so that the yoke supports are
one above the other when mounting the valve
horizontally.
FIG:MT_7800
Figure 4: VG7800 Mounting
VA7800 Series Electric Valve Actuators Product Bulletin 5
Ordering Information
Contact the nearest Johnson Controls representative
and specify the desired product code number from
Table 5.
Table 5: VA-78x0-xxx-2 Series Electric Valve Actuators
Code Number Input Signal Power Action on Power Feedback Auxiliary Nominal Stroke Time1
Requirements Failure Switches (Seconds)
Spring Return Actuator
Proportional 0 (2) to 10 VDC Spring Return Actuator
2 SPDT, 1A, 3A Resistive,
24 VAC 50/60 Hz ± 15% 230 VAC 50/60 Hz ± 15%
1/2 and 3/4 in. VG7000 1 and 1-1/4 in. VG7000 1-1/2 and 2 in. VG7000
Floating Point Non-Spring Return 0 (2) to 10 VDC
0 (4) to 20 mA VA Rating Retracted Valve Stem Full Up Extended Valve Stem Full Down 1/4 HP (5/16 in. valve stroke) (1/2 in. valve stroke) (3/4 in. valve stroke)
On/Off
VA7810-ADA-2 X X --- --- X 8 X --- --- --- --- 48 76 114
VA7810-ADC-2 X X --- --- X 8 X --- --- --- X 48 76 114
VA7810-AGA-2 X X --- X --- 3 X --- --- --- --- 48 76 114
VA7810-AGC-2 X X --- X --- 3 X --- --- --- X 48 76 114
VA7810-HGA-2 X X X X --- 6 X --- --- X --- 24/48 38/76 57/114
VA7810-HGC-2 X X X X --- 6 X --- --- X X 24/48 38/76 57/114
VA7820-HGA-2 X X X X --- 11 --- X --- X --- 24/48 38/76 57/114
VA7820-HGC-2 X X X X --- 11 --- X --- X X 24/48 38/76 57/114
VA7830-HGA-2 X X X X --- 11 --- --- X X --- 24/48 38/76 57/114
VA7830-HGC-2 X X X X --- 11 --- --- X X X 24/48 38/76 57/114
1. VA78x0-HGx-2 actuators have field selectable stroke speed; factory setting is the slowest speed.
Repair Information
If a VA78x0-xxx-2 Series Electric Valve Actuator fails to
operate within specifications, replace the unit. For a
replacement actuator, contact the nearest
Johnson Controls representative.
6 VA7800 Series Electric Valve Actuators Product Bulletin
Dimensions
4.56 (116)
5.9 (150) Minimum
9.6 (244) 8.35 (212)
Figure 5: Dimensions, in. (mm)
VA7800 Series Electric Valve Actuators Product Bulletin 7
Technical Specifications
Table 6: VA7810-AGx-2 and VA7810-ADx-2 Series On/Off (Floating) Electric Non-Spring Return Valve
Actuators
Model VA7810-AGx-2 VA7810-ADx-2
Thrust Force 180 lb (800 N) minimum
Power Supply AC 24 V (AC 19 to 30 V) at 50/60 Hz, AC 230 V (AC 195 to 265 V) at 50/60
Class 2 Hz
Transformer Sizing 3 VA 8 VA
Input Signal AC 24 V (AC 19 to 30 V) at 50/60 Hz AC 230 V (AC 195 to 265 V) at 50/60
Hz
Feedback N/A N/A
Auxiliary Switch Rating Two Single-Pole, Double-Throw (SPDT), AC 230 V, 3.0 A Resistive, 1/4 hp
Stroke 5/16 to 1 in. (8 to 25 mm)
Stroke Speed 5/16 in. stroke: 48 seconds
1/2 in. stroke: 76 seconds
3/4 in. stroke: 114 seconds
Ambient Operating Conditions 23 to 131°F (-5 to 55°C); 10 to 90% 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 mm2) 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 5.4 lb (2.45 kg)
Compliance United States UL 60730 Listed Type 1 Enclosure, CCN XAPX, File E194024
Canada UL 60730-1 Listed Type 1 Enclosure, CCD 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 2004/108/EC and the Low Voltage Directive 2006/95/EC.
8 VA7800 Series Electric Valve Actuators Product Bulletin
Table 7: VA7810-HGx-2 Series Proportional Electric Non-Spring Return Valve Actuators
Model VA7810-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 6 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 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 preset actuator position on loss of signal
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 (Switch Selectable) 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 mm2) 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 5.4 lb (2.45 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 2004/108/EC and the Low Voltage Directive 2006/95/EC.
VA7800 Series Electric Valve Actuators Product Bulletin 9
Table 8: 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
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 mm2) 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 2004/108/EC and the Low Voltage Directive 2006/95/EC.
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.
Building Efficiency
507 E. Michigan Street, Milwaukee, WI 53202
Metasys® and Johnson Controls® are registered trademarks of Johnson Controls, Inc.
All other marks herein are the marks of their respective owners. © 2013 Johnson Controls, Inc.
10 VA7800 Series Electric Valve Actuators Product Bulletin
Published in U.S.A. www.johnsoncontrols.com
Документ виробника, опублікований як довідковий матеріал на обладнання, яке ми постачаємо. Правовласник може попросити прибрати його — приберемо.
