Two-way Cassette

Two-way Cassette A Series, 2-pipe | DK2A-E/A+300/400/500/600/700/800
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;1.62~7.20kW
Water flow rate: 0.47~1.22 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 2.43~10.80kW
Motor: DC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1140 mm × 575 mm × 290 mm | Panel dimension: 1240 mm × 680 mm × 30 mm
Air flow rate (H/M/L) : 255~1,360 m³/h (150~800 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 1.62~7.20kW
Water pressure drop: 30~40 kPa
Power input: 30~130 W
Rated current: 0.14~0.59 A
Sound pressure level: 39~46 dB(A)
Net / Gross weight : 25.0~30.0 / 28.5~33.5 kg
Packing size(L×W×H) : 1315 mm × 740 mm × 300 mm
Max. working pressure : 1.6 MPa


Two-way Cassette A Series, 4-pipe | DK2A-E/AP+300/400/500/600/700/800
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;1.62~7.20kW
Water flow rate: 0.47~1.22 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 1.09~4.86kW
Motor: DC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1140 mm × 575 mm × 290 mm | Panel dimension: 1240 mm × 680 mm × 30 mm
Air flow rate (H/M/L) : 255~1,360 m³/h (150~800 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 0.73~3.24kW
Water pressure drop: 30~40 kPa
Power input: 30~130 W
Rated current: 0.14~0.59 A
Sound pressure level: 39~46 dB(A)
Net / Gross weight : 25.0~30.0 / 28.5~33.5 kg
Packing size(L×W×H) : 1315 mm × 740 mm × 300 mm

Product downloads

  • PDF DERK FCU leaflet(V26) Catalog · Cassette, duct, ceiling & floor, console and convector units. · 2.2 MB

Frequently Asked Questions

What cassette models does DERK offer?

We manufacture one-way, two-way, four-way, round and eight-way cassette units for chilled-water systems, covering typical cooling capacities from 2.2 kW to 14 kW with fixed-speed and DC inverter options.

How thin is the ceiling panel?

Panel profiles are designed to fit shallow ceiling voids, with front panels starting from roughly 30 mm on one-way models to about 50 mm on four-way models.

Are cassettes compatible with DERK chillers?

Yes. Cassettes are built for hydronic systems and connect directly to DERK air-cooled chillers, mini chillers and heat pump water heaters for a complete chilled-water solution.

What controls are available?

Units include wired controllers with optional WiFi/App control, BMS integration via Modbus, and centralized control through the DERK control system.

Can the front panel be customized?

Yes. Front panels can be supplied in custom colors and finished with your brand logo, which is popular for hotel chains and multi-unit projects.

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