E03_img_01_2023_07_DE_depsd.png
Actuator 224C-024-02-003
EN3_300x200_3d_01psd.png
CAV controllers

EN (Generation 3) with actuator

VFC_img_01psd.png
CAV controller variant VFC/.../E0*, with actuator (potentiometer)

VFC with actuator

VFR_img_01psd.png
Flow adjustment damper, variant VFR, with actuator (potentiometer)

VFR with actuator

E03_img_01_2023_07_DE_depsd.png
EN3_300x200_3d_01psd.png
VFC_img_01psd.png
VFR_img_01psd.png

E03  

FOR MOTORISED SETPOINT VALUE ADJUSTMENT ON CAV TERMINAL UNITS AND FLOW ADJUSTMENT DAMPERS, E.G. SWITCHING BETWEEN QVMIN AND QVMAX

Actuators for mechanically automatic CAV terminal units EN (Generation 3) and VFC as well as flow adjustment damper VFR

  • Motorised, variable setpoint adjustment
  • Supply voltage 24 V AC/DC
  • Control input signal: Voltage signal 0 – 10 V DC
  • Setting the setpoint range by adjusting the potentiometer on the actuator
  • Positive lock connection with CAV terminal unit or flow adjustment damper
  • Retrofit possible

General Information

Application

  • Variable setpoint adjustment for mechanically automatic CAV terminal units EN, up to a height of 300 mm (generation 3 with setpoint adjustment on blue rotary knob)
  • Variable setpoint adjustment for mechanically automatic CAV terminal units VFC
  • Variable setpoint adjustment for flow adjustment dampers VFR
  • Variable control input signal: Setpoint signal 0 - 10 V DC corresponds to the set operating range Vmin - Vmax
  • Working range adjustable via potentiometer


Parts and characteristics

  • Overload-proof actuator 224C-024-03-003
  • Positive lock connection with scale adjustment
  • 24 V AC/DC supply voltage
  • 2 Potentiometers Vmin, Vmax for setting the working range
  • Control input signal: Setpoint value signal 0 – 10 V DC, corresponds to the working range (set on potentiometers)
  • Position feedback: 0 - 10 V DC (related to 0 - 93°)
  • Control LED for signalling operating states
  • Button for test function


Commissioning

  • Set volume flow adjustment range by means of adjustment potentiometer Vmin and Vmax .
  • For further information on setting and control, see installation instructions, e.g. CAV terminal unit VFC

Technical information

Functional description, Technical data, Specification text, Order Code

  • Functional description
  • TECHNICAL DATA
  • SPECIFICATION TEXT
  • ORDER CODE
Actuator 224C-024-03-003 E03_05_gc_2023_DE_desvg.png

1 Indicator light (target position reached, actuator movement or blockage)
2 Setting rotation stop Vmin position
3 Setting rotation stop Vmax position
4 Button for triggering the test function (press for 2 s to trigger test run ± 30°, can only be triggered when the damper is in idle position)

Actuators for CAV terminal units and flow adjustment dampers enable motorisation of the setpoint adjustment, which would otherwise have to be carried out manually on the setting scale. The actuator E03 moves the scale adjustment variably between a minimum and a maximum position.

The setpoint adjustment on the scale is controlled by a 0 - 10 V DC voltage signal.

For actuator E03, this voltage signal is mapped by the setting potentiometer Vmin and Vmax to the defined angle of rotation.

The scale range to be used for the setpoint specification must be set during commissioning of the CAV terminal unit using the setting potentiometer.


The 0 - 10 V DC output signal of the CAV actuator is merely a position feedback and not an actual volume flow rate value.

The output signal is mapped to the entire rotation angle 0 - 93° of the actuator.

Modulating actuator for CAV terminal unit EN (Generation 3) and VFC as well as flow adjustment damper VFR

Order code detailPart numberTypeSetpoint value adjustmentSupply voltage
E03A00000038360224C-024-03-003potentiometer24 V AC/DC

,

Actuator 224C-024-03-003

Supply voltage (AC voltage)24 V AC ± 20%, 50/60 Hz
Supply voltage (DC voltage)24 V DC ± 20 %
Power rating (AC voltage)4.5 VA
Power rating (DC voltage)2.5 W
Control signal0 – 10 V DC, Ra > 100 kΩ
Position feedback0 – 10 V DC, 1 mA
Torque2.5 Nm
Runtime for 90°20 – 60 s
Connecting cable3 × 0.75 mm², approx. 1 m long
IEC protection classIII (Protective extra-low voltage)
Protection levelIP 42
EC conformityEMC according to 2014/30/EU, RoHS according to 2011/65/EU
Operating temperature (depends on the operating range of the control unit)10 – 50 °C
Weight0.32 kg

Category

  • Constant actuator


Application

  • Variable setpoint specification for constant volume flow controllers and flow adjustment dampers


Supply voltage

  • 24 V AC/DC


Interface/signalling

  • 0 – 10 V DC for setpoint position


Connection

  • Connection cable 4-wire


Interface information

  • Min/Max setpoint value position can be easily adjusted by potentiometer on site


Factory condition

  • Actuator factory-mounted on control unit/flow adjustment damper
  • Potentiometer Vmin, Vmax Factory-set to position 4 and 8


NR-VAV–EN–E03
| | |
1 2 3
1 Type
NR-VAV Retrofit kit

2 Variant
EN-E03 variable actuator 24 V AC/DC with potentiometer setting for CAV terminal unit EN Generation 3 (setpoint adjustment with rotary knob)
VFC-E03 variable actuator 24 V AC/DC with potentiometer setting for CAV terminal unit VFC
VFR-E03 variable actuator 24 V AC/DC with potentiometer setting for CAV terminal unit VFR 


Note:

This is the order code for retrofitting the actuator for a CAV terminal unit or flow adjustment damper.
Generally, the actuator is specified in the initial order via the order code of the basic terminal unit under the section "Actuator for setpoint adjustment" with the order code E03.

Variants, VARIANTS

  • VARIANTS
224C-024-03-003, connecting cable assignment
E03_01_gc_2023_DE_desvg.png

1 ⊥, -: Ground, Zero
2, ~, +: Supply voltage
3, w: Setpoint value signal 0 – 10 V DC
4, U: Position feedback

E03_01_gc_2023_DE_desvg.png
E03_02_gc_2023_DE_desvg.png
E03_04_gc_2023_DE_desvg.png
E03_03_gc_2023_DE_desvg.png


Downloads

informazioni di prodotto

  • Product data sheet E03

    E03_PD_2024_01_11_DE_en Product data sheet 240 KB pdf
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