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China's CDB Dual-Discharge Cooler - High-Efficiency, Lightweight Cooling Solution from Suppliers & Factory
Product Features
CDB series commercial dual discharge coolers is mainly used in small operating rooms.
1. Casing:
Al-Mg alloy sheet with powder coating RAL9003, strong anti-corrosion performance and light weight. Outer drip tray adopts integral hinged structure, easy to clean and operate.
2. Heat exchanger Coil:
Copper tubing Φ12, Spacing 38.1x33; Corrugated aluminium fins, fin spacing 4.2mm & 6.4mm.
3. Fans:
Axial fans, working temperature -40℃~60℃, fans individually connected to junction box. Fan specification Φ350, number from 1 to 4, fan motors are divided into 4-poles and 6-poles to meet different noise requirements.
4. Defrosting:
Standard use of electric defrosting, stainless heating pipes installed in the middle of coil and inner water plate. Independent electric heating tube junction box. Hot gas defrosting or coil hot gas defrosting & water plate electric defrosting can also be used.
Refrigerants Compatibility:
It can meet the requirements of R404A, R507A, R448A, R449A, R134a, R22 and other refrigerants.
Technical Data
| Model | KW | Cooling Area | Fan | Defrost electrical heater | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air volume(cmh) | Diameter of fans(mm) | Quantity (set) | Power (w) | Voltage | Coil (kw) | Quantity | Coil(W) | Quantity | Total(W) | Voltage (V) | |||
| DL3.9/20 | 3.9 | 20 | 3400 | 300 | 2 | 164 | (V) | 1600 | 2 | 1600 | 2 | 3200 | 220 |
| DL5.8/30 | 5.8 | 30 | 4600 | 350 | 2 | 250 | 220 | 2400 | 2 | 2400 | 2 | 4800 | 220 |
| DL7.8/40 | 7.8 | 40 | 4600 | 350 | 2 | 250 | 220 | 2400 | 2 | 2400 | 2 | 4800 | 220 |
| DL10.7/55 | 10.7 | 55 | 6900 | 350 | 3 | 375 | 220 | 3300 | 2 | 3300 | 2 | 6600 | 220 |
| DL15.5/80 | 15.5 | 80 | 9200 | 350 | 4 | 500 | 380 | 2400 | 2 | 2400 | 2 | 4800 | 380 |
| DL20.3/105 | 20.3 | 105 | 12000 | 400 | 4 | 740 | 380 | 4600 | 2 | 4600 | 2 | 9200 | 380 |
| DL26.2/135 | 26.2 | 135 | 16000 | 450 | 4 | 920 | 380 | 5000 | 2 | 5000 | 2 | 10000 | 380 |
| DL31.0/160 | 31.0 | 160 | 16000 | 450 | 4 | 920 | 380 | 5200 | 2 | 5200 | 2 | 10400 | 380 |
| DL35.9/185 | 35.9 | 185 | 16000 | 450 | 4 | 920 | 380 | 6000 | 2 | 6000 | 2 | 12000 | 380 |
| DL42.6/220 | 42.6 | 220 | 19200 | 450 | 4 | 1000 | 380 | 6400 | 2 | 6400 | 2 | 12800 | 380 |
Cooling Capacity: Based on an air inlet dry-bulb temperature of 0℃, evaporation temperature of -8℃, and refrigerant liquid temperature of 30℃.
| Model | KW | Cooling Area | Fan | Defrost electrical heater | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air volume(cmh) | Diameter of fans(mm) | Quantity (set) | Power (w) | Voltage | Coil (kw) | Quantity | Coil(W) | Quantity | Total(W) | Voltage (V) | |||
| DD2.7/15 | 2.7 | 15 | 3400 | 300 | 2 | 164 | 220 | 1600 | 2 | 1600 | 2 | 3200 | 220 |
| DD3.9/22 | 3.9 | 22 | 4600 | 350 | 2 | 250 | 220 | 2400 | 2 | 2400 | 2 | 4800 | 220 |
| DD5.4/30 | 5.4 | 30 | 4600 | 350 | 2 | 250 | 220 | 2400 | 2 | 2400 | 2 | 4800 | 220 |
| DD7.2/40 | 7.2 | 40 | 6900 | 350 | 3 | 375 | 220 | 3300 | 2 | 3300 | 2 | 6600 | 220 |
| DD10.7/60 | 10.7 | 60 | 9200 | 350 | 4 | 500 | 380 | 2400 | 2 | 2400 | 2 | 4800 | 380 |
| DD14.3/80 | 14.3 | 80 | 12000 | 400 | 4 | 740 | 380 | 4600 | 2 | 4600 | 2 | 9200 | 380 |
| DD17.8/100 | 17.8 | 100 | 16000 | 450 | 4 | 920 | 380 | 5000 | 2 | 5000 | 2 | 10000 | 380 |
| DD21.4/120 | 21.4 | 120 | 16000 | 450 | 4 | 920 | 380 | 5200 | 2 | 5200 | 2 | 10400 | 380 |
| DD25.0/140 | 25.0 | 140 | 16000 | 450 | 4 | 920 | 380 | 6000 | 2 | 6000 | 2 | 12000 | 380 |
| DD28.6/160 | 28.6 | 160 | 19200 | 450 | 4 | 1000 | 380 | 6400 | 2 | 6400 | 2 | 12800 | 380 |
Cooling Capacity: Based on an air inlet dry-bulb temperature of -18℃, evaporation temperature of -25℃, and refrigerant liquid temperature of 20℃.
Product Display
Installation Dimensions
| MODEL | A | B | C | D | W | E | E1 | N | F | Cycle pipe | Inlet tube connector | Outlet tube connector |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DL20 DD15 |
940 | 680 | 345 | 730 | 780 | 730 | 365 | 2 | 120 | 12 | 22 | G1" |
| DL30 DD22 |
1240 | 730 | 345 | 780 | 830 | 1030 | 515 | 2 | 120 | 12 | 22 | |
| DL40 DD30 |
1340 | 780 | 345 | 830 | 880 | 1130 | 565 | 2 | 120 | 16 | 28 | |
| DL55 DD40 |
1740 | 780 | 345 | 830 | 880 | 1530 | 510 | 3 | 120 | 16 | 28 | |
| DL80 DD60 |
2330 | 820 | 345 | 870 | 920 | 2030 | 507.5 | 4 | 165 | 16 | 28 | |
| DL105 DD80 |
2930 | 870 | 345 | 920 | 970 | 2630 | 657.5 | 4 | 165 | 19 | 32 | |
| DL135 DD100 |
2730 | 920 | 445 | 970 | 1020 | 2430 | 607.5 | 4 | 165 | 19 | 32 | |
| DL160 DD120 |
2830 | 1020 | 395 | 1070 | 1120 | 2530 | 632.5 | 4 | 165 | 19 | 32 | |
| DL185 DD140 |
2830 | 1020 | 445 | 1070 | 1120 | 2530 | 632.5 | 4 | 165 | 22 | 35 | G(1-1/2)" |
| DL220 DD160 |
3230 | 1020 | 445 | 1070 | 1120 | 2930 | 732.5 | 4 | 165 | 22 | 35 |
Remark: 1, The refrigerating capacity test at environmental temperature 32 ℃. 2, OEM is accepted.
Application
Frequently Asked Questions
What are the main applications of the CDB series commercial dual discharge coolers?
The CDB series commercial dual discharge coolers are primarily designed for use in small operating rooms and cold storage environments where dual air distribution is required.
What materials are used in the construction of the casing?
The casing is built from Al-Mg alloy sheet coated with RAL9003 powder, offering superior anti-corrosion performance and light weight. It also features an integrated hinged outer drip tray for easy maintenance and cleaning.
What defrosting methods are supported by these dual discharge coolers?
Electric defrosting is standard, utilizing stainless heating pipes installed in the middle of the coil and inner water plate. Optionally, hot gas defrosting or a combination of coil hot gas & water plate electric defrosting can be utilized.
Which refrigerants are compatible with the CDB series?
The units are highly versatile and compatible with R404A, R507A, R448A, R449A, R134a, R22, and other common refrigerants.
How is the cooling capacity of the DL and DD models calculated?
For DL models, capacity is based on an air inlet dry-bulb temperature of 0℃ and an evaporation temperature of -8℃. For DD models, it is based on an air inlet dry-bulb temperature of -18℃ and an evaporation temperature of -25℃.
Do you offer OEM customization for these cooling systems?
Yes, OEM customization is accepted to meet specific configuration, dimensional, and performance requirements for your target application.