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In the product development phase of Halton Max One, special attention has been put to preventing dirt from affecting the measurement, thus prolonging the product lifetime.
Materials and components are proven to meet demanding long-term requirements. The high-precision pickup tubes are engineered for sensitivity in low airflows and low noise generation in high airflows.
Circular airflow management damper for a wide variety of standard VAV applications. Quick and easy commissioning with factory-set airflow rate limits according to customer-specific needs.
Related products and solutions: Halton Max Flex Circular, Halton Vita OR solutions
Pressure-independent variable airflow control damper for supply and exhaust installations.
Circular airflow management damper for a wide variety of standard VAV applications. Quick and easy commissioning with factory-set airflow rate limits according to customer-specific needs.
Related products and solutions: Halton Max Flex Circular (MFC), Halton Vita OR solutions
The Halton Max One Circular airflow control dampers are available in four product models:
G, H, I and J:
Feature | Product model G | Product model H | Product model I | Product model J |
Blade gasket | x | x | ||
50 mm external insulation | x | x | ||
Tightness EN 1751, class C and class 4 | x | x | ||
Tightness EN 1751, class C | x | x | ||
Minimum torque 5 Nm | Sizes 100-250 | Sizes 100-630 | Sizes 100-250 | Sizes 100-630 |
Minimum torque 10 Nm | Sizes 315-630 | Sizes 315-630 | ||
Complete shut-off function | x | x |
Airflow ranges for Halton Max One Circular with an air velocity of 1-10 m/s.
Applies to dampers with blade gasket (models G and I) and to all actuators except Halton ED.
NS (mm) | qv | qv |
100 | 8 - 79 | 28 - 283 |
125 | 12 - 123 | 44 - 442 |
160 | 20 - 201 | 72 - 724 |
200 | 31 - 314 | 113 - 1131 |
250 | 49 - 491 | 177 - 1767 |
315 | 78 - 779 | 281 - 2806 |
400 | 126 - 1257 | 452 - 4524 |
500 | 296 - 1964 | 707 - 7069 |
630 | 312 - 3117 | 1122 - 11222 |
Airflow ranges for Halton Max One Circular with an air velocity of 2-10 m/s.
Applies to models without blade gasket (models H and J) and dampers with Halton ED actuator.
NS (mm) | qv | qv |
100 | 16 - 79 | 57 - 283 |
125 | 25 - 123 | 88 - 442 |
160 | 40 - 201 | 145 - 724 |
200 | 63 - 314 | 226 - 1131 |
250 | 98 - 491 | 353 - 1767 |
315 | 156 - 779 | 561 - 2806 |
400 | 251 - 1257 | 905 - 4524 |
500 | 393 - 1964 | 1414 - 7069 |
630 | 623 - 3117 | 2244 - 11222 |
Part | Material option: | Material option: |
Casing | Galvanised steel | Stainless steel |
Damper blade | Galvanised steel | Stainless steel |
Shaft | Galvanised steel | Stainless steel |
Blade gasket | EPDM Rubber | EPDM Rubber |
Duct gaskets | 1C-polyurethane hybrid | 1C-polyurethane hybrid |
Measurement probe | Aluminium | Stainless steel |
External insulation | Mineral wool | Mineral wool |
Measurement tubes | PU plastic | PU plastic |
Fig.1. Halton Max One Circular, stainless steel model (EN 1.4404/AISI 316L)
A range of actuators are available for various application needs.
All actuators include an integrated dynamic differential pressure sensor with a low bypass airflow rate through the sensor element. Therefore not to be used in highly contaminated environments. Airflow rate limits are set at the factory.
Actuator | Notes | Torque | Damper | Communication | Order code |
Halton ED | Analogue actuator with a separate airflow controller. Min air velocity: 2 m/s. Manufacturer: Belimo | 10 | 100-630 | DC0..10V/ 2..10V Cable length 0.5m | ED = VRD3+NM24A-V |
Halton EG | Analogue actuator Manufacturer: Siemens | 10 | 315-630 | DC0..10V/ 2..10V | EG = GLB181.1E/3 |
Halton EM | Analogue actuator Manufacturer: Belimo | 5 | 100-250 | DC0..10V/ 2..10V | EM = LMV-D3-MF-F.1 HI |
Halton EK | Analogue actuator Manufacturer: Belimo | 10 | 315-630 | DC0..10V/ 2..10V | EK = NMV-D3-MF-F.1 HI |
Halton ER | Actuator with KNX Manufacturer: Belimo | 5 | 100-250 | KNX | ER = LMV-D3-KNX |
Halton ES | Actuator with KNX Manufacturer: Belimo | 10 | 315-630 | KNX | ES = NMV-D3-KNX- |
Halton ET | Actuator with Modbus Manufacturer: Belimo | 5 | 100-250 | Modbus | ET = LMV-D3-MOD |
Halton EU | Actuator with | 10 | 315-630 | Modbus | EU =NMV-D3-MOD |
Halton EV | Actuator with KNX Manufacturer: Siemens | 5 | 100-250 | KNX Cable length 0.9m | EV = GDB181.1E/KN (sizes 100-250) |
Halton EW | Actuator with KNX Manufacturer: Siemens | 10 | 315-630 | KNX Cable length 0.9m | EW = GLB181.1E/KN (sizes 315-630) |
NS | D | L | L1 | L2 | H |
100 | 99 | 248 | 176 | 82 | 110 |
125 | 124 | 248 | 176 | 82 | 135 |
160 | 159 | 331 | 259 | 82 | 170 |
200 | 199 | 331 | 259 | 82 | 210 |
250 | 249 | 331 | 259 | 82 | 260 |
315 | 314 | 331 | 259 | 82 | 325 |
400 | 399 | 500 | 428 | 82 | 410 |
500 | 499 | 630 | 558 | 149 | 508 |
630 | 629 | 630 | 558 | 149 | 638 |
NS | D | L | L1 | L2 | H1 |
100 | 99 | 248 | 176 | 82 | 200 |
125 | 124 | 248 | 176 | 82 | 225 |
160 | 159 | 331 | 259 | 82 | 260 |
200 | 199 | 331 | 259 | 82 | 300 |
250 | 249 | 331 | 259 | 82 | 350 |
315 | 314 | 331 | 259 | 82 | 415 |
400 | 399 | 500 | 428 | 82 | 500 |
500 | 499 | 630 | 558 | 149 | 600 |
630 | 629 | 630 | 558 | 149 | 730 |
Key
1. Damper
2. Airflow direction
3. Measurement probe
4. VAV airflow controller
5. Actuator
6. Blade
The damper contains a cross-type airflow measurement probe, a VAV airflow controller, an actuator and a blade (with or without gasket). Depending on the actuator model, the VAV controller is a separate unit or integrated into the actuator.
The damper can function either as a supply or an exhaust unit. It maintains the required airflow through accurate measurement and airflow control, regardless of variations in the room conditions or duct pressure.The airflow measurement is based on a differential pressure generated by high-precision pickup tubes of the measurement probe. The tubes are engineered for sensitivity in low airflows and for low noise generation in high airflows.
Changes in room conditions can be adjusted manually from an end-user interface or by different sensors such as occupancy or room pressure sensors, thermostats or timers. The conditions can also be managed remotely from a building management system (BMS). The control signal and the airflow measurement data from the pickup tubes are processed in the VAV controller. The VAV controller gives the actuator a command to change the position of the damper blade, in order to keep the airflow at the predefined setpoint.
The airflow setpoint can be modified between minimum and maximum settings from the room controller interface or a BMS. The VAV controller can also send actual value data back to the room interface controller. The communication protocol used for the signal between the room control interface and the VAV controller depends on the actuator model.
For more information about the available actuator models, see section Actuators.
Disturbances in the ductwork such as duct bends, T-branches and sound attenuators cause turbulence and an uneven airflow. This can lead to fluctuation and inaccuracy in measurement values.
In order to ensure the accuracy of the airflow measurement, the minimum safety distances between the measuring unit and airflow disturbances must be respected.
For airflow control applications, the minimum safety distance is 1xD after an elbow bend and 3xD for T-branches. The safety distance between the damper and a sound attenuator is 2xD.
Install the unit into the ductwork so that the safety distances and direction of the airflow are as indicated in the following figures. Please refer to project-specific job drawings for more details.
Fig.1. Bend (90° elbow)
Fig.2. T-branch
Fig.3. With sound attenuator
Space requirements
Sufficient space must be reserved to allow access to accessories during commissioning and maintenance.
The wiring must be carried out by professional technicians in accordance with local regulations. For the power supply, a safety-isolating transformer must be used.
The responsibilities between Halton and 3rd party are specified in the following example wiring diagram for a typical variable airflow control application:
Key
1 (G0) 24 VAC system neutral
2 (~) 24 VAC live
3 (w) 2...10- or 0...10-VDC airflow setpoint signal input
5 (U5) 2...10- or 0...10-VDC airflow feedback signal output
The airflow rates for Halton Max One Circular are preset at the factory. If the airflow rates are not specified by the customer, the default factory settings are 0 for the minimum airflow rate and the nominal value (Vnom) for the maximum rate.
The nominal airflow rates in the following table are given with a pressure level of 150 Pa. Applies to all Halton Max One Circular actuator models.
NS | Vnom (l/s) | Vnom (m3/h) |
100 | 78 | 282 |
125 | 123 | 441 |
160 | 221 | 794 |
200 | 353 | 1270 |
250 | 574 | 2068 |
315 | 881 | 3170 |
400 | 1484 | 5344 |
500 | 2387 | 8593 |
630 | 3895 | 14021 |
The actual airflow rate is calculated as a function of differential pressure at the measurement probe and the measurement probe k factor.
where
The actuators are equipped with a pressure sensor, and there is a very low airflow through the differential pressure sensor of the controller. Therefore, a manual differential measurement manometer can be connected in parallel to the airflow controller (for example with tube T-branches) and both measurements can operate in parallel with continuous control.
The k factors for the different sizes are listed in the following table:
NS | k factor (l/s) |
100 | 6.4 |
125 | 10.0 |
160 | 18.0 |
200 | 28.8 |
250 | 46.9 |
315 | 71.9 |
400 | 121.2 |
500 | 194.9 |
630 | 318.0 |
Halton offers high-quality rectangular sound attenuators with round duct connection for reducing noise levels in the duct. Sound attenuators are available as accessory and the following options are available:
D1 is connected directly to the damper with female-type connection. D2 is attached to the duct with male-type connection. The above picture depicts supply air installations. In exhaust installations, the airflow direction is from D2 to D1. The damper is always connected to D1.
Dimensions (mm) and weights
Key
Examples of attenuation data:
Fig.1. Attenuation data, L = 600 mm, material = PEF
Fig.2. Attenuation data, L = 1000 mm, material = PEF
For further information, contact Halton sales.
SA = choose model code from column Code, H1 - H18.
Code | Length (mm) | Connection type | Insulation material | Access panel |
---|---|---|---|---|
H1 | 600 | D2=D1 | MW | No |
H2 | 1000/1250* | D2=D1 | MW | No |
H3 | 600 | D2=D1 | PEF | No |
H4 | 1000/1250* | D2=D1 | PEF | No |
H5 | 600 | D2>D1 | MW | No |
H6 | 1000/1250* | D2>D1 | MW | No |
H7 | 600 | D2>D1 | PEF | No |
H8 | 1000/1250* | D2>D1 | PEF | No |
H11 | 600 | D2=D1 | MW | Yes |
H12 | 1000/1250* | D2=D1 | MW | Yes |
H13 | 600 | D2=D1 | PEF | Yes |
H14 | 1000/1250* | D2=D1 | PEF | Yes |
H15 | 600 | D2>D1 | MW | Yes |
H16 | 1000/1250* | D2>D1 | MW | Yes |
H17 | 600 | D2>D1 | PEF | Yes |
H18 | 1000/1250* | D2>D1 | PEF | Yes |
Key
Reheat coils are available as accessory. Main features:
Key
D 100, 125, 160, 200, 250, 315, 400 mm
1 Resetting of manual overheating protection
The heater can be installed in vertical or horizontal ducts. The safety distance is 2xD.
The heater must always be interlocked towards the fan or towards the airflow going through the heater. The interlocking function is connected to the duct heater power supply or, if the heater has an internal heating controller (model RC), it can also be connected directly to the controller.
The power supply to the duct heater must be switched off when the fan is switched off or when the airflow rate is too low.
When selecting the airflow control damper and reheat coil, ensure that the airflow velocity is above 2 m/s in order to guarantee a proper control function.
Heating capacity with low air velocity of 2 m/s
NS | Power (W) | qv l/s | qv m3/h | dT(max) K |
---|---|---|---|---|
100 | 600 | 16 | 57 | 32 |
125 | 900 | 25 | 88 | 31 |
160 | 1500 | 40 | 145 | 31 |
200 | 2100 | 63 | 226 | 28 |
250 | 3000 | 98 | 353 | 25 |
315 | 3000 | 156 | 561 | 16 |
400 | 3000 | 251 | 905 | 10 |
Heating capacity with an air velocity of 6 m/s
NS | Power (W) | qv l/s | m3/h | dT(max) K |
---|---|---|---|---|
100 | 600 | 47 | 170 | 11 |
125 | 900 | 74 | 265 | 10 |
160 | 1500 | 121 | 434 | 10 |
200 | 2100 | 188 | 679 | 9 |
250 | 3000 | 295 | 1060 | 8 |
315 | 3000 | 468 | 1683 | 5 |
400 | 3000 | 754 | 2714 | 3 |
For further information, contact Halton Sales.
RH=RM or RH=RC
Pressure-independent variable airflow control damper for supply and exhaust installations.
S = Model
G With blade gasket
H No blade gasket
I With blade gasket and insulation (50 mm)
J No blade gasket, with insulation (50 mm)
D = Size of duct connection (mm)
100, 125, 160, 200, 250, 315, 400, 500, 630
MA = Material
CS Galvanised steel
AS Stainless steel (EN 1,4404/AISI 316L)
CU = Control unit
EM LMV-D3-MF HI (sizes 100-250)
EK NMV-D3-MF HI (sizes 315-630)
ER LMV-D3-KNX (sizes 100-250)
ES NMV-D3-KNX (sizes 315-630)
ET LMV-D3-MOD (sizes 100-250)
EU NMV-D3-MOD (sizes 315-630)
ED VRD3 + NM24A-V (sizes 100-630)
EG GLB181.1E/3 (sizes 315-630)
EV GDB181.1E/KN (sizes 100-250)
EW GLB181.1E/KN (sizes 315-630)
FS = Factory-set airflow limits
DC Customer specified settings
DS Default factory settings (Vnom)
SA = Sound attenuator (accessory)
NA Not assigned
H1 L = 600 mm; Outlet = Inlet; Mineral wool
H2 L = 1000/1250 mm; Outlet = Inlet; Mineral wool
H3 L = 600 mm; Outlet = Inlet; Polyester fibre
H4 L = 1000/1250 mm; Outlet = Inlet; Polyester fibre
H5 L = 600 mm; Outlet > Inlet; Mineral wool
H6 L = 1000/1250 mm; Outlet > Inlet; Mineral wool
H7 L = 600 mm; Outlet > Inlet; Polyester fibre
H8 L = 1000/1250 mm; Outlet > Inlet; Polyester fibre
H11 L = 600 mm; Outlet = Inlet; Mineral wool; Access panel
H12 L = 1000/1250 mm; Outlet = Inlet; Mineral wool; Access panel
H13 L = 600 mm; Outlet = Inlet; Polyester fibre; Access panel
H14 L = 1000/1250 mm; Outlet = Inlet; Polyester fibre; Access panel
H15 L = 600 mm; Outlet > Inlet; Mineral wool; Access panel
H16 L = 1000/1250 mm; Outlet > Inlet; Mineral wool; Access panel
H17 L = 600 mm; Outlet > Inlet; Polyester fibre; Access panel
H18 L = 1000/1250 mm; Outlet > Inlet; Polyester fibre; Access panel
RH = Electric reheat coil (accessory)
NA Not assigned
RM No internal heating controller,
PWM control signal input (230 VAC, pulse width modulation)
RC With internal heating controller (0...10-VAC control signal input)
ZT = Tailored product
N No
Y Yes
MOC/G-100, MA=CS, CU=EM, FS=DC, SA=NA, RH=NA, ZY=N