Medium ESP Duct

Medium ESP Duct B Series, 4-pipe
Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+200
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;1.08~1.80kW
Water flow rate: 0.31 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 0.73~1.21kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 635 mm × 452 mm × 232 mm | With air plenum dimension: 635 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 170~340 m³/h (100~200 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 0.49~0.81kW
Water pressure drop: 30 kPa
Power input (12Pa/30Pa/50Pa): 22~48 W
Rated current (12Pa/30Pa/50Pa): 0.10~0.22 A
Sound pressure level (12Pa/30Pa/50Pa): 37~42 dB(A)
Net / Gross weight : 9.0 / 10.5 kg
Packing size(L×W×H) : 685 mm × 480 mm × 250 mm


Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+300
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;1.62~2.70kW
Water flow rate: 0.47 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 1.09~1.82kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 785 mm × 452 mm × 232 mm | With air plenum dimension: 785 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 255~510 m³/h (150~300 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 0.73~1.21kW
Water pressure drop: 30 kPa
Power input (12Pa/30Pa/50Pa): 30~64 W
Rated current (12Pa/30Pa/50Pa): 0.14~0.29 A
Sound pressure level (12Pa/30Pa/50Pa): 39~44 dB(A)
Net / Gross weight : 11.0 / 12.5 kg
Packing size(L×W×H) : 825 mm × 480 mm × 250 mm


Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+400
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;2.16~3.60kW
Water flow rate: 0.61 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 1.46~2.43kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 865 mm × 452 mm × 232 mm | With air plenum dimension: 865 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 340~680 m³/h (200~400 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 0.97~1.62kW
Water pressure drop: 30 kPa
Power input (12Pa/30Pa/50Pa): 36~81 W
Rated current (12Pa/30Pa/50Pa): 0.16~0.37 A
Sound pressure level (12Pa/30Pa/50Pa): 41~46 dB(A)
Net / Gross weight : 11.5 / 13.5 kg
Packing size(L×W×H) : 905 mm × 480 mm × 250 mm


Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+500
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;2.70~4.50kW
Water flow rate: 0.77 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 1.82~3.03kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 925 mm × 452 mm × 232 mm | With air plenum dimension: 925 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 425~850 m³/h (250~500 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 1.21~2.02kW
Water pressure drop: 30 kPa
Power input (12Pa/30Pa/50Pa): 44~97 W
Rated current (12Pa/30Pa/50Pa): 0.20~0.44 A
Sound pressure level (12Pa/30Pa/50Pa): 43~47 dB(A)
Net / Gross weight : 13.5 / 15.5 kg
Packing size(L×W×H) : 965 mm × 480 mm × 250 mm


Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+600
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;3.24~5.40kW
Water flow rate: 0.94 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 2.19~3.65kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1025 mm × 452 mm × 232 mm | With air plenum dimension: 1025 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 510~1,020 m³/h (300~600 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 1.46~2.43kW
Water pressure drop: 40 kPa
Power input (12Pa/30Pa/50Pa): 56~114 W
Rated current (12Pa/30Pa/50Pa): 0.25~0.52 A
Sound pressure level (12Pa/30Pa/50Pa): 45~49 dB(A)
Net / Gross weight : 14.0 / 16.5 kg
Packing size(L×W×H) : 1065 mm × 480 mm × 250 mm


Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+700/800
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;3.78~7.20kW
Water flow rate: 1.05~1.22 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 2.55~4.86kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1205 mm × 452 mm × 232 mm | With air plenum dimension: 1205 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 595~1,360 m³/h (350~800 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 1.70~3.24kW
Water pressure drop: 40 kPa
Power input (12Pa/30Pa/50Pa): 67~169 W
Rated current (12Pa/30Pa/50Pa): 0.30~0.77 A
Sound pressure level (12Pa/30Pa/50Pa): 46~50 dB(A)
Net / Gross weight : 15.5 / 18.5 kg
Packing size(L×W×H) : 1245 mm × 480 mm × 250 mm


Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+1000
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;5.40~9.00kW
Water flow rate: 1.56 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 3.64~6.07kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1455 mm × 452 mm × 232 mm | With air plenum dimension: 1455 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 850~1,700 m³/h (500~1,000 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 2.43~4.05kW
Water pressure drop: 40 kPa
Power input (12Pa/30Pa/50Pa): 88~204 W
Rated current (12Pa/30Pa/50Pa): 0.40~0.93 A
Sound pressure level (12Pa/30Pa/50Pa): 48~52 dB(A)
Net / Gross weight : 22.1 / 25.6 kg
Packing size(L×W×H) : 1495 mm × 480 mm × 250 mm


Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+1200
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;6.48~10.80kW
Water flow rate: 1.85 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 4.37~7.29kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1705 mm × 452 mm × 232 mm | With air plenum dimension: 1705 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 1,020~2,040 m³/h (600~1,200 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 2.92~4.86kW
Water pressure drop: 40 kPa
Power input (12Pa/30Pa/50Pa): 114~243 W
Rated current (12Pa/30Pa/50Pa): 0.52~1.10 A
Sound pressure level (12Pa/30Pa/50Pa): 50~54 dB(A)
Net / Gross weight : 25.0 / 29.0 kg
Packing size(L×W×H) : 1745 mm × 480 mm × 250 mm


Medium ESP Duct B Series, 4-pipe | DT2B-E/APG30L+1400
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;7.56~12.60kW
Water flow rate: 2.16 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 5.10~8.50kW
Motor: EC/AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1955 mm × 452 mm × 232 mm | With air plenum dimension: 1955 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 1,190~2,380 m³/h (700~1,400 CFM)
Power Supply : 220/1/50(60) V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 3.40~5.67kW
Water pressure drop: 50 kPa
Power input (12Pa/30Pa/50Pa): 139~291 W
Rated current (12Pa/30Pa/50Pa): 0.63~1.32 A
Sound pressure level (12Pa/30Pa/50Pa): 52~56 dB(A)
Net / Gross weight : 27.0 / 32.0 kg
Packing size(L×W×H) : 1995 mm × 480 mm × 250 mm



Medium ESP Duct E Series (economy), 2-pipe
Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+207
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;1.03~1.72kW
Water flow rate: 0.31 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 1.55~2.58kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 635 mm × 452 mm × 232 mm | With air plenum dimension: 635 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 176~352 m³/h (104~207 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 1.03~1.72kW
Water pressure drop: 5.5 kPa
Power input (30Pa): 31 W
Rated current (30Pa): 0.14 A
Sound pressure level (30Pa): 35.8 dB(A)
Net / Gross weight : 8.5 / 10 kg
Packing size(L×W×H) : 685 mm × 480 mm × 250 mm


Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+322
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;1.65~2.75kW
Water flow rate: 0.49 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 2.47~4.12kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 785 mm × 452 mm × 232 mm | With air plenum dimension: 785 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 274~547 m³/h (161~322 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 1.65~2.75kW
Water pressure drop: 13.4 kPa
Power input (30Pa): 52 W
Rated current (30Pa): 0.24 A
Sound pressure level (30Pa): 36.7 dB(A)
Net / Gross weight : 10.4 / 11.9 kg
Packing size(L×W×H) : 825 mm × 480 mm × 250 mm


Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+426
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;2.12~3.53kW
Water flow rate: 0.64 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 3.18~5.30kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 865 mm × 452 mm × 232 mm | With air plenum dimension: 865 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 363~725 m³/h (214~426 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 2.12~3.53kW
Water pressure drop: 23.6 kPa
Power input (30Pa): 67 W
Rated current (30Pa): 0.30 A
Sound pressure level (30Pa): 38.8 dB(A)
Net / Gross weight : 10.8 / 12.3 kg
Packing size(L×W×H) : 905 mm × 480 mm × 250 mm


Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+546
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;2.59~4.32kW
Water flow rate: 0.78 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 3.89~6.48kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 925 mm × 452 mm × 232 mm | With air plenum dimension: 925 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 464~928 m³/h (273~546 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 2.59~4.32kW
Water pressure drop: 28.9 kPa
Power input (30Pa): 80 W
Rated current (30Pa): 0.36 A
Sound pressure level (30Pa): 43.2 dB(A)
Net / Gross weight : 12.7 / 14.2 kg
Packing size(L×W×H) : 965 mm × 480 mm × 250 mm


Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+652
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;3.11~5.19kW
Water flow rate: 0.92 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 4.67~7.78kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1025 mm × 452 mm × 232 mm | With air plenum dimension: 1025 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 555~1,109 m³/h (326~652 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 3.11~5.19kW
Water pressure drop: 36.5 kPa
Power input (30Pa): 101 W
Rated current (30Pa): 0.46 A
Sound pressure level (30Pa): 43.4 dB(A)
Net / Gross weight : 13.1 / 14.6 kg
Packing size(L×W×H) : 1065 mm × 480 mm × 250 mm


Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+745/817
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;3.60~6.87kW
Water flow rate: 1.05~1.21 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 5.40~10.31kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1205 mm × 452 mm × 232 mm | With air plenum dimension: 1205 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 634~1,389 m³/h (373~817 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 3.60~6.87kW
Water pressure drop: 27~33 kPa
Power input (30Pa): 118~145 W
Rated current (30Pa): 0.54~0.66 A
Sound pressure level (30Pa): 45.8~47.3 dB(A)
Net / Gross weight : 14.4 / 16.9 kg
Packing size(L×W×H) : 1245 mm × 480 mm × 250 mm; 1445 mm × 480 mm × 250 mm


Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+1053
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;5.16~8.60kW
Water flow rate: 1.45 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 7.74~12.90kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1455 mm × 452 mm × 232 mm | With air plenum dimension: 1455 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 895~1,790 m³/h (526~1,053 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 5.16~8.60kW
Water pressure drop: 35.6 kPa
Power input (30Pa): 163 W
Rated current (30Pa): 0.74 A
Sound pressure level (30Pa): 45 dB(A)
Net / Gross weight : 20.7 / 23.2 kg
Packing size(L×W×H) : 1495 mm × 480 mm × 250 mm


Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+1284
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;6.18~10.29kW
Water flow rate: 1.80 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 9.26~15.44kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1705 mm × 452 mm × 232 mm | With air plenum dimension: 1705 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 1,092~2,183 m³/h (642~1,284 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 6.18~10.29kW
Water pressure drop: 38.8 kPa
Power input (30Pa): 198 W
Rated current (30Pa): 0.90 A
Sound pressure level (30Pa): 48.5 dB(A)
Net / Gross weight : 23.4 / 25.9 kg
Packing size(L×W×H) : 1745 mm × 480 mm × 250 mm


Medium ESP Duct E Series (economy), 2-pipe | DT2E-AG30L+1515
Cooling capacity: W 7/12 °C ;A 27 °C DB /19.5°C WB ;7.56~12.09kW
Water flow rate: 2.15 m³/h
Heating capacity: W(inlet) 60°C; A 21°C DB; 10.88~18.13kW
Motor: AC;
Hydraulic connections: Rc 3/4 ”
Indoor unit dimension(L×W×H) : 1955 mm × 452 mm × 232 mm | With air plenum dimension: 1955 mm × 501 mm × 232 mm
Air flow rate (H/M/L) : 1,288~2,576 m³/h (758~1,515 CFM)
Power Supply : 220/1/50 V/Ph/Hz
Heating capacity: W(inlet) 45°C; A 21°C DB; 7.56~12.09kW
Water pressure drop: 49.6 kPa
Power input (30Pa): 234 W
Rated current (30Pa): 1.06 A
Sound pressure level (30Pa): 50.2 dB(A)
Net / Gross weight : 25.1 / 27.6 kg
Packing size(L×W×H) : 1995 mm × 480 mm × 250 mm

Product downloads

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

Frequently Asked Questions

What is a ducted fan coil unit?

A ducted FCU is concealed above the ceiling and distributes conditioned air through ductwork, providing invisible, uniform comfort for offices, hotels, shops and homes.

What static pressures are available?

Standard concealed units offer around 30-80 Pa, while high-static-pressure models reach approximately 120-200 Pa for long or complex duct runs in commercial buildings.

How thin can concealed units be?

Ultra-thin models are as low as about 200-230 mm in height, allowing installation in shallow ceiling plenums without lowering the ceiling.

Can units provide heating as well as cooling?

Yes. Options include 2-pipe and 4-pipe hydronic coils, electric heater kits and hot-water coils to match the heating source available at the project.

Do you supply duct accessories and controls?

We supply flexible ducts, grilles, filters, wired or wireless controllers, and BMS interfaces as part of complete project packages.

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