| Вид документа | Каталожна сторінка |
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| Виробник | JCI |
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| Моделі | VA-7450-1001, VA-7452-1001, VA-7452-9001 |
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| Група обладнання | valves |
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| Мова документа | англійська |
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| Розмір файлу | 0.4 МБ |
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Про документ
The VA-7450 Series provides floating or proportional control in HVAC applications. Its compact design makes it suitable for installation in confined spaces such as fan coil applications. It is designed for field mounting onto VG5000 and VB-5040-S forged brass valves.
Ключові дані
| Supply voltage | 24 VAC ± 15% (50/60 Hz) |
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| Nominal force | 120 N +30% / -20 % |
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| Maximum stroke | 5 mm |
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| Full stroke time | 45 seconds for 3 mm stroke |
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| Protection | IP40 (EN 60529) |
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| Ambient operating condition | 0 to +50 °C, non condensing |
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| Control signal | Incremental (floating) or Proportional (0...10 V, 0...5 V or 5...10 V) |
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| Connection to valves | M28x1,5 for VG5000 series valves |
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Застосування
- HVAC heating, ventilating and air conditioning control
- Fan coil and other confined-space installations
- Use with VG5000 series valves (2-way PDTC/PDTO, 3-way mixing with or without bypass)
- Use with VB-5040-S valve series via VB-5000-8045 adapter set
Особливості
- Automatic calibration; requires no calibration
- Selectable linear or equal percentage characteristic (VG5000 only)
- Compact design for confined spaces
- Can be mounted after valve body is installed
- Actuator can be rotated after mounting to locate wiring entry in any direction
- Periodic full cycle (anti-sticking) option keeps plug and seat clear of impurities
- LED operating status display reduces commissioning time
- Motor time-out feature deactivates the motor at ends of stroke (~80 s)
- End-of-stroke confirmation every 2 hours
- Auto-zero calibration on power-up (proportional models)
Технічні дані
| Parameter |
Value |
| Models |
VA-7450-1001; VA-7452-1001 fixed settings; VA-7452-9001 configurable |
| Action/Control |
Incremental (floating or PAT); Proportional (0...10 V, 0...5 V or 5...10 V) |
| Supply voltage (50/60 Hz) |
24 VAC ± 15% |
| Input impedance |
80 kΩ |
| Power consumption, apparent |
5 VA at max. power supply |
| Power consumption, active |
2,5 W |
| Nominal force |
120 N +30% / -20 % |
| Maximum stroke |
5 mm |
| Full stroke time |
45 seconds for 3 mm stroke |
| Protection |
IP40 (EN 60529) |
| Connection to valves |
M28x1,5 for VG5000 series valves |
| Ambient operating condition |
0 to +50 °C, non condensing |
| Ambient storage condition |
-20 to +65 °C, non condensing |
| Electrical connections |
1,5 m long flexible cable, ø 4,5 mm |
| Operating status |
LED display |
| Shipping weight |
0,18 Kg |
| Dimensions (H × W × D) |
74 × 69,5 mm; cable length 1,5 m |
Варіанти замовлення
- VA-7450-1001 — 3-point actuator, 24 VAC power supply
- VA-7452-1001 — 0..10 VDC input actuator, fixed settings (no anti-sticking, linear characteristic, direct action)
- VA-7452-9001 — configurable actuator with voltage input 0..10, 0..5 or 5..10 VDC
- Special models with other cable lengths available on request
- VA-7450-8900 — manual override ring accessory (for VG5000 valve bodies)
- VB-5000-8045 — adapter set for VB-5040-S valve bodies (pack of 10)
Jumper settings (VA-7452-9001 adjustable / VA-7452-1001 fixed)
| Jumper No. |
Function |
Factory setting |
Alternative setting |
Fixed settings |
| 1 |
Anti-sticking |
active |
not active |
not active |
| 2/3 |
Input control signal |
0..10V |
5..10V / 0...5V |
0...10 V |
| 4 |
Flow characteristic (VG5000 only) |
linear |
equal percentage |
linear |
| 5 |
Action |
Direct (DA) |
Reverse (RA) |
Direct (DA) |
| 6 |
Body type |
2-way PDTC (NO) |
2-way PDTO (NC) and 3-way Normally Closed port |
2-way PDTO (NC) and 3-way Normally Closed port |
Note: With VB-5040-S valve bodies, jumper 4 must be set to linear. On VG5000 series with Kvs 0,25 and 0,4 the characteristic is always quick, independent of jumper setting.
Допуски та стандарти
- EMC (89/336 EEC) according to EN 50081-1 and EN 50082-1
- IP40 per EN 60529
Текст документа
European Electronic Controls Catalogue
Catalogue Section E
Product Bulletin VA-7450
Issue Date 1299
VA-7450
Electronic Terminal Unit Valve Actuator
I ntroduction
The VA-7450 Series provides floating or
proportional control in HVAC (Heating,
Ventilating, and Air Conditioning) applications.
The compact design of this actuator makes it
suitable for installation in confined spaces, such
as fan coil applications.
The VA-7450 series actuator is designed for
field mounting onto VG5000 and VB5040-S
forged brass valves (see pertinent bulletin).
VA-7450 microprocessor-based actuator
with VG5000 (left) and VB-5040-S (right)
valves
Features and Benefits
Automatic calibration Simplifies installation; requires no calibration
Selectable linear or equal percentage Provides optimal control function
characteristic
Compact design Allows installation in confined spaces (fan coils, etc.)
Can be mounted after valve body is installed Simplifies installation; allows application flexibility
Actuator can be rotated after mounting Provides easier wiring by locating the wiring entry in
any direction
Periodic full cycle (anti-sticking) option Keeps plug and seat clear of impurities
LED operating status display Reduces the commissioning time and display
operating status
Motor Time-out Feature Provides higher reliability by deactivating the actuator
motor at ends of stroke
© 1999 Johnson Controls, Inc. E22
Order No. DS 10.469 E
2 VA-7450
O rdering data O peration
VA-7450-1001 Floating models (VA-7450-xxxx series)
3-point actuator, 24 VAC power supply See also VG5000 or VB-5040-S product bulletins
for valve operation.
VA-7452-1001
0..10 VDC input actuator Red cable energised Actuator stem
Fixed settings: no anti-sticking, linear extends
characteristic, direct action
Actuator stem
VA-7452-9001 White cable energised
retracts
Configurable actuator with voltage input 0..10,
0..5 or 5..10 VDC
See “Adjustments” for more information. When the signal is applied to the Blue and Red
Special models with other cable lengths are wires, the actuator motor drives to gear assembly,
available on request. and pushes down on the valve stem against the
force of the valve return spring. When the signal is
A ctuator combinations removed, the actuator remains in position.
The signal remain applied to the Up or Down wire,
The VA-7450 series electronic valve actuators are the actuator will time out and shut off the motor
designed to be used with the VG5000 and after approximately 80 seconds.
VB-5040-S valve series. An adapter is required End of stroke Confirmation: When the signal is
when used in combination with VB-5040-S valve applied continuously in the same direction, the
series. The ordering data for these valve bodies actuator turns on every 2 hours and drives in the
and adapters are as follows: signal direction for approximately 80 seconds to
confirm the end of stroke position.
VG5000 series
Proportional models (VA-7452-xxxx series)
VG52 0 C 2-way Push Down To Close See also VG5000 or VB-5040-S product bulletins
(Normally Open) series for valve operation.
VG54 0 C 2-way Push Down To Open The VA-7452-1001 has fixed settings (see curve
(Normally Closed) series 1 below)
VG55 0 C 3-way mixing with built-in The VA-7452-9001 is configurable:
Normally Open bypass Jumper 5 “Direct Action”
VG58 0 C 3-way mixing
M
Jumper 2 Jumper 3
Option: VA-7450-8900 manual override accessory 0%
(See “Dimensions”)
Please refer to the product bulletin “VG5000 50%
Forged Brass Valves” for complete ordering 100%
information. 0 5 10V
VB-5040-S series (male connections)
Jumper 5 “Reverse Action”
VB-5440-S 2-way Push Down To M Jumper 2 Jumper 3
Open (Normally Closed)
series 0%
VB-5540-S 3-way with built-in
50%
Normally Open bypass
series 100%
VB-5840-S 3-way mixing 0 5 10V
VB-5000-8045 Adapter set to be
ordered separately
(pack of 10)
Please refer to the product bulletin “VB-5040-S
Forged Brass Valves ½” and ¾” male thread” for
complete ordering information.
E22
VA-7450 3
When the signal increases in Direct Action (DA)
configuration or decreases in Reverse Action (RA)
configuration, the actuator motor drives the gear
V alve Action Summary
assembly, and pushes down on the valve return See “Operation” for information about spindle
spring. movement.
When the signal decreases in DA configuration or
increases in RA configuration, the actuator retracts Valve Code Valve Type Stem movement / flow
= flow
= no flow
and allows the valve return spring to move the
valve stem in the direction of its normal position or VG52x0xC
Actuator Actuator
spindle down spindle up
up.
2-way NO, PDTC *)
End of Stroke Confirmation: When the input
signal is at 0 or 100% continuously, the actuator VG54x0xC Actuator Actuator
VB-5440-Sxxxx
turns on every 2 hours and drives in the signal spindle down spindle up
2-way NC, PDTO *)
direction for approximately 80 seconds to confirm
the end-of-stroke position. Return
VG55x0xC
Auto-Zero Calibration: when the power is VB-5540-Sxxxx
Actuator
spindle down
Actuator
spindle up
applied, the actuator self-calibrates to the full Supply
stroke end position by performing a complete 3-way + NO ByPass
cycle. The actuator drives in the stem down
VG58x0xC
direction for approximately 80 seconds, then VB-5840-Sxxxx
Actuator
spindle down
Actuator
spindle up
drives to the input signal command position.
3-way, mixing
Anti-Sticking Cycle: When the anti-sticking cycle
is enabled (On), the actuator performs one
complete cycle every 24 hours to clear possible M ounting instructions
accumulation of impurities from the valve plug and
seat. The anti-sticking feature is jumper selectable, When mounting the actuator on a VG5000 or a
(see page 4). VB-5040-S valve, please follow the instructions
Characteristic: the actuator can be set to perform below:
linear or equal percentage flow characteristic when Mount the VB-5000-8045 adapter set when used
used in combination with VG5000 valves series. with VB-5040-S only (steps ,,)
Valve Selection: the actuator is factory set for use
with 2-way Push Down to Close (PDTC) VG5200
valves. For 2-way Push Down To Open (PDTO)
VG5400 valve applications, change the valve
normal position jumper to PDTO. For 3-way
VG5000 valve applications, set the valve body 5 4
type jumper to 3-way and set the valve normal
2 2 1
position jumper to correspond to the service port of 3
the valve (See Adjustments Jumper setting on 1
page 4).
Setting the Valve normal position jumper
Operating display
LED Indication
On Power line present, motor not VB-5040-S VG5000
running (*)
Single Motor running • Never use the actuator as a mounting lever.
Blinking • Mounting position:
Double End-of-stroke confirmation
Blinking cycle or anti-sticking cycle
Off Power line not present <=90° >90°
(*) Note: Proportional model: when in control.
Floating model: time out, motor not running. OK NO
E22
4 VA-7450
W iring instructions Wiring Diagrams
WARNING
When servicing make sure that: ELECTRONIC BOARD
• the electric supply to the actuator is switched
off to avoid possible damage to the
blue
red white
equipment, personal injury or shock.
• you do not touch or attempt to connect or
M M
disconnect wires when electric power is on.
24 V~
When wiring the actuator, please follow the common
instructions below:
• Before mounting, wiring or adjusting the
Incremental model
actuator, make sure that the power supply has
been disconnected to avoid possible harm to
material or person.
• Make sure that the line power supply is in
accordance with the power supply specified on
the actuator. ELECTRONIC BOARD
• All wiring should conform to local codes and
must be carried out by authorised personnel
only. Blue White
Red Black
com 0...10V input
control signal
common
24 V~
Proportional model
A djustments (Jumper settings) This is how the jumpers are positioned on the
board:
(For proportional models only). 1
VA-7452-1001 has FIXED settings (the jumpers Jumper in place: 6 2
3
are NOT accessible) Jumper removed: 4
VA-7452-9001 is fully configurable 5
Jumper VA-7452-9001 (adjustable) VA-7452-1001
Function
No. Factory setting Alternative setting
(fixed settings)
Anti-sticking 1 active not active not active
Input 2
0..10V 5..10V 0...5V 0...10 V
control signal 3
Flow linear equal percentage linear
4
characteristic *) (VG5000 only)
Action 5 Direct (DA) Reverse (RA) Direct (DA)
2-way PDTO (NC) 2-way PDTO (NC)
2-way PDTC (NO)
Body type 6 and 3-way Normally and 3-way Normally
valve bodies
Closed port Closed port
*) In combination with VB-5040-S valve bodies, Jumper 4 must be set to linear
On VG5000 series with Kvs 0,25 and 0,4 . These is always quick characteristic independent from
jumper setting.
E22
VA-7450 5
D imensions (in mm)
74
69,5
47 55
cable length 1,5m
VA-7450 actuator
14,2
7,5
35,2 Ø11,1
21,3
12,4
6
Manual Override
Turn approx. 90° Ø32
for max. stroke.
Adapter set VB-5000-8045 for combination with
VA-7450-8900 manual override ring VB-5040-S valve bodies
accessory (optional) for combination with
VG5000 valve bodies.
It is used to manually open PDTO valves or the
Normally Closed port of 3-way valves. It is to be
mounted between the valve and the actuator.
Note: The manual override ring will not fully
close PDTC valves or the Normally Opened port
or 3-way valves.
E22
6 VA-7450
S pecifications
Models: VA-7450-1001 VA-7452-1001: fixed settings
VA-7452-9001: configurable
Action/Control: Incremental Proportional
(floating or PAT) (0...10 V, 0...5 V or 5...10 V)
Supply voltage (50/60 Hz): 24 VAC ± 15%
Input impedance: - 80 kΩ
Power consumption:
Apparent 5 VA at max. power supply
Active 2,5 W
Nominal force: 120 N +30% / -20 %
Maximum stroke: 5 mm
Full stroke time: 45 seconds for 3 mm stroke
Protection: IP40 (EN 60529)
Connection to Valves: M28x1,5 for VG5000 series valves
Ambient Operating condition: 0 to +50 °C, non condensing
Ambient Storage condition: -20 to +65 °C, non condensing
Electrical connections: 1,5 m long flexible cable, ø 4,5 mm
Operating status: LED display
Shipping Weight: 0,18 Kg
Compliance: EMC (89/336 EEC) according to the standard EN 50081-1 and EN 50082-1
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 International, Inc.
Headquarters: Milwaukee, WI, USA
European headquarters: Westendhof 8, 45143 Essen, Germany
European Factories: Lomagna (Italy), Leeuwarden (The Netherlands), Essen (Germany)
Branch Offices: principal European Cities
This document is subject to changes Printed in Europe
E22
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