Overview
CDP chain drives are high-performance electric window drives used to open and close large compatible façade windows, roof windows, skylights and selected heavy-duty commercial openings. They are best positioned where the project requires higher force, longer stroke or heavier-duty operation than VCD, CDC, KA or CDM chain drives can provide.
The CDP range includes 24 V DC and 230 V AC BSY+ options, with single-drive and twin-chain variants depending on the selected model family. This allows the drive to be selected around the window load, required stroke, power supply, synchronisation requirements, smoke control strategy and project wiring approach.
CDP drives can be used for natural ventilation and smoke control systems when selected with a suitable controller, field cabling, bracket arrangement and project-specific operating strategy. EBSA NZ can assist with selecting the correct CDP model, control panel, BSY+ synchronisation arrangement, bracket set and wiring approach for the project.
At-a-glance
| Product type | High-performance electric chain drive |
|---|---|
| Product range | D+H CDP Series |
| Models covered | CDP 1500-BSY+, CDP-TW 3000-BSY+, CDP 1500-K-BSY+ and CDP-TW 3000-K-BSY+ variants |
| Typical use | Heavy-duty natural ventilation, large roof/skylight automation and smoke control applications |
| Window applications | Large compatible façade windows, roof windows, skylights and selected high-load commercial openings |
| Power / control options | 24 V DC BSY+ and 230 V AC BSY+ options depending on model |
| Force | 1500 N pressure force / 1000 N tensile force for CDP single-chain models; 3000 N pressure force / 2000 N tensile force for CDP-TW twin-chain models |
| Stroke options | 600 mm to 1500 mm for 24 V DC CDP-BSY+ models; 800 mm to 1500 mm for 230 V AC CDP-K-BSY+ models, subject to selected model and pressure load review |
| Sound level | LpA ≤ 70 dB(A) |
| Protection rating | IP 32 |
| Fire resistance | B300, subject to the selected model and complete system design |
| Controller requirement | Requires a compatible controller, field cabling, suitable switching or sensor inputs and project-specific commissioning |
| Manufacturer | D+H Mechatronic |
Models in the CDP range
| Model / drive type | Power / technology | Stroke | Datasheet |
|---|---|---|---|
| CDP 1500-BSY+ | 24 V DC BSY+ | 800 mm, 1000 mm | 800 | 1000 |
| CDP 1500-K-BSY+ | 230 V AC BSY+ | 800 mm to 1500 mm | CDP 1500-K-BSY+ |
| CDP-TW 3000-BSY+ | 24 V DC BSY+ twin-chain | 600 mm to 1500 mm | CDP-TW 3000-BSY+ |
| CDP-TW 3000-K-BSY+ | 230 V AC BSY+ twin-chain | 800 mm to 1500 mm | CDP-TW 3000-K-BSY+ |
CDP single-chain drives are generally selected where the window is outside the preferred CDM, KA or CDC range, where very high force is required, or where a heavy commercial smoke control or roof/skylight application needs long-stroke chain drive operation. The correct model should be selected against the window type, opening geometry, stroke requirement, power supply, controller, bracket arrangement, field cabling and project operating strategy.
CDP-TW twin-chain options
CDP-TW drives use twin-chain drive arrangements for applications where the sash arrangement benefits from two chain points and increased force distribution. They should be selected separately from standard single-chain CDP drives.
Where the window load, required opening angle, external exposure or installation geometry is not suitable for CDP, EBSA NZ will normally review rack and pinion drive options or a project-specific drive arrangement.
Downloads
Download the relevant installation information for the selected CDP model. Some instruction documents are shared across multiple model or stroke variants rather than being model-specific, so confirm the correct document against the selected drive type, stroke, power supply and control technology before installation.
| Drive type | Applies to | Installation instructions |
|---|---|---|
| CDP-BSY+ | 24 V DC CDP 1500-BSY+ single-chain models | CDP 1500-BSY+ instructions |
| CDP-TW-BSY+ | 24 V DC CDP-TW 3000-BSY+ twin-chain models | CDP-TW 3000-BSY+ instructions |
| CDP-K-BSY+ | 230 V AC CDP 1500-K-BSY+ single-chain models | CDP 1500-K-BSY+ instructions |
| CDP-TW-K-BSY+ | 230 V AC CDP-TW 3000-K-BSY+ twin-chain models | CDP-TW 3000-K-BSY+ instructions |
Best suited to
- Heavy commercial façade windows requiring more force than CDM, KA or CDC drives can provide.
- Large roof windows and skylight systems requiring long stroke and high opening force.
- Commercial natural ventilation systems using large or heavy compatible window openings.
- Smoke control systems where the CDP drive, control panel, window and project strategy are suitable.
- Applications requiring up to 1500 N pressure force from a single CDP drive arrangement.
- Applications requiring twin-chain force distribution through CDP-TW drive arrangements.
- Projects requiring BSY+ synchronisation for high-load chain drive operation.
- Applications where a high-performance chain drive is preferred before moving to rack and pinion drive options.
Typical system arrangement
A CDP chain drive does not operate on its own. It requires a compatible controller, field cabling, suitable switching or sensor inputs, and project-specific wiring and commissioning to achieve the required open and close operation.
For EBSA NZ projects, the CDP drive should be selected together with the control panel, wiring strategy, smoke control or natural ventilation requirements, bracket arrangement, synchronisation requirements and commissioning approach.
Drive and controller selection
The functionality of a CDP chain drive system is determined by the selected drive, controller, field cabling and programmed control strategy. The drive provides the mechanical opening and closing movement, while the controller determines how the window operates.
BSY+ CDP models should be selected where synchronised operation is required, such as applications with multiple drives or twin-chain drive arrangements on large or heavy sashes. The final control strategy should be coordinated with the selected control panel, power supply, cable route, window arrangement and project commissioning process.
For smoke control applications, the drive must be selected as part of the complete system, including the window, control panel, fire interface, field cabling, power supply, installation, commissioning and project approval pathway.
Selection and specification notes
- Confirm the window type, sash size, sash weight, required opening distance and opening angle before selecting a CDP chain drive.
- Confirm whether the application is for natural ventilation, smoke control, general window automation or a combined strategy.
- Confirm whether a 24 V DC or 230 V AC CDP option is required.
- Confirm whether a single-chain or twin-chain CDP arrangement is required.
- Confirm the required stroke, force, voltage and current draw for the selected CDP model.
- Confirm whether BSY+ synchronisation is required and whether the selected controller can support the intended arrangement.
- Confirm whether pressure load review is required for the selected stroke and window arrangement.
- Confirm the number of drives per window, the number of windows per control group and the available control panel capacity.
- Confirm bracket requirements, cable routes, cable tail requirements and access for servicing before window fabrication or installation.
- For smoke control projects, confirm the fire strategy, smoke control panel, fire interface, cable requirements, commissioning process and approval pathway.
- EBSA NZ has its own Masterspec work section/code and can prepare project-specific specification content for inclusion in the project documentation. This can cover the selected drive family, control panel, operating strategy, interfaces, field cabling and commissioning requirements.
Compatible products
CDP chain drives are normally selected as part of a complete window automation, natural ventilation or smoke control package. Depending on the project, they may be used with:
- Compatible natural ventilation control panels.
- D+H smoke control panels, where suitable for the project design.
- CPS-M project control panels where system feedback, advanced control logic or project-specific smoke control strategy is required.
- Wall switches and local control points.
- Room temperature controls.
- Rain and weather sensors, where supported by the selected controller.
- BMS or third-party interfaces, where specified.
- Suitable D+H CDP bracket sets.
- Compatible large façade, roof, skylight and high-load window systems.
Part of the EBSA NZ chain drive range
CDP chain drives are part of EBSA NZ’s wider D+H Mechatronic chain drive range. They sit above VCD, CDC, KA and CDM where the project requires very high force, long stroke, large roof or skylight operation, or a heavy-duty smoke control drive arrangement.
Where quiet operation and smaller sash sizes are the main priorities, EBSA NZ will normally review CDC first. Where the application requires intermediate commercial force, KA or CDM may be more suitable. Where the opening geometry, external exposure or window load is better suited to another drive type, EBSA NZ can review rack and pinion drive options as part of the project selection process.
Consider instead
- VCD Chain Drives: consider for simple residential and light commercial natural ventilation applications where a compact ventilation drive is sufficient.
- CDC Chain Drives: consider where whisper-quiet operation, compact installation or ACB-capable functionality is required and the window is within the CDC force and stroke range.
- KA Chain Drives: consider for commercial chain drive applications requiring more force than VCD or CDC, but less force than CDM or CDP.
- CDM Chain Drives: consider for heavy windows or skylights requiring up to 1000 N force in a compact footprint.
- Rack and Pinion Drives: consider where the window load, opening geometry or external application is better suited to rack and pinion operation.
- Louvre Drives: consider where the opening is an operable louvre system rather than an awning, casement, skylight or roof window sash.
Talk to EBSA NZ about CDP chain drive selection
Correct CDP drive selection depends on the window type, opening geometry, required stroke, control method, bracket arrangement, field wiring, smoke control or ventilation strategy and project requirements. EBSA NZ can assist with reviewing the CDP model, controller, accessories and coordination requirements before products are selected.
