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40mm Cross-Flow Fan & PTC Heater Integration for OEMs

Optimizing Compact Thermal Systems with Integrated 40mm Cross-Flow Fans and Heaters

HVAC engineers and system integrators frequently encounter design challenges requiring efficient, compact, and high-performance forced-air heating solutions. Longwell addresses these demands with our integrated 40mm diameter cross-flow fan and heater modules, engineered for direct OEM integration into fan heaters and various appliance applications. This platform offers both PTC and traditional resistance heating elements, precisely tailored to specific thermal output and spatial constraints.

Longwell’s Integrated Solution Overview

Our integrated modules combine a robust 40mm cross-flow fan with a complementary heating element. This design ensures uniform airflow distribution across the heater, maximizing thermal transfer efficiency within a minimal footprint. The system operates on standard 230V/50Hz power, suitable for diverse international markets.

Featured in this solution are two common lengths to meet varying thermal requirements:

280mm Heater Length: Paired with a ~270mm impeller (e.g., LWCA-40270SN-06-00 fan).
400mm Heater Length: Paired with a ~390mm impeller (e.g., LWCA-40390SN-06-00 fan).

The customer’s primary requirement specified a 2500W PTC heating element for these configurations.

Core Components: 40mm Cross-Flow Fan Specifications

Longwell’s 40mm cross-flow fans are engineered for high static pressure and wide, uniform airflow distribution. This characteristic is critical for effective and consistent heat transfer across the entire heating element, ensuring optimal performance in compact fan heaters.

Parameter	LWCA-40270SN-06-00	LWCA-40390SN-06-00
Impeller Diameter	40mm	40mm
Impeller Length	270mm	390mm
Rated Voltage	AC 220V	AC 220V
Frequency	50Hz	50Hz
Rated Speed	2050 ± 150 r/min	Refer to Datasheet
Input Power (Fan Only)	21W (approx. 0.19A)	Refer to Datasheet
Air Volume	Refer to Datasheet	Refer to Datasheet
Bearings	Ball Bearing	Ball Bearing
Construction Materials	Iron (side plates), Aluminum (impeller)	Iron (side plates), Aluminum (impeller)

For comprehensive fan performance data, refer to the individual datasheets:

Integrated Heating Elements: PTC and Resistance Wire Options

Longwell offers a choice between Positive Temperature Coefficient (PTC) heaters and traditional resistance wire heating elements, integrated directly with the cross-flow fan assembly. PTC heaters provide inherent self-regulating safety features and rapid heat-up times, while resistance wire offers consistent power output for specific thermal requirements.

PTC Heater Specifications (2500W Series)

These units meet the specific demand for 2500W output, ideal for applications requiring high thermal capacity with inherent safety.

Parameter	LWHW-AC40270S-01	LWHW-AC40390S-01
Heater Type	PTC Ceramic	PTC Ceramic
Heater Length	280mm	400mm
Rated Voltage	220V	220V
Frequency	50Hz	50Hz
Power Output	2500W	2500W

Resistance Wire Heater Specifications (2000W Series)

For applications where a consistent 2000W output is preferred, our resistance wire heater modules provide reliable performance.

Parameter	LWHW-AC40270S-02	LWHW-AC40390S-02
Heater Type	Resistance Wire	Resistance Wire
Heater Length	280mm	400mm
Rated Voltage	220V	220V
Frequency	50Hz	50Hz
Power Output	2000W	2000W

Detailed heater specifications are available through these documents:

Customization and OEM Partnership

Longwell’s integrated fan and heater modules are designed for seamless OEM integration. Our capabilities extend to:

Length Adjustments: Custom impeller and heating element lengths beyond standard offerings to fit unique appliance footprints.
Power Output Tailoring: Fine-tuning PTC characteristics or resistance wire specifications for precise thermal demands.
Voltage and Frequency Options: Adapting to global power standards.
Motor and Bearing Selection: Options for optimized efficiency and lifespan based on application duty cycle.

This modular approach minimizes design iterations and accelerates product development cycles for fan heater manufacturers and other appliance OEMs, particularly for high-volume markets such as Turkey supermarkets.

Technical Documentation and Support

Longwell provides comprehensive technical documentation and dedicated engineering support to facilitate integration into your systems. For detailed performance curves, wiring diagrams, and mechanical drawings, please access the product datasheets linked above. Our technical team is available to discuss specific project requirements, custom module development, and high-volume procurement strategies.

Contact Longwell for further information on customizing integrated 40mm cross-flow fan and heating modules for your next generation of thermal solutions.