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China CDB Dual-Discharge Cooler - Efficient & Quiet Cooling from Reliable Suppliers and 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.
5. Refrigerant 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 primary applications of CDB series dual discharge coolers?
CDB series commercial dual discharge coolers are mainly designed for and used in small operating rooms and similar cold storage processing environments.
What type of materials are used for the casing structure?
The casing is constructed from high-quality Al-Mg alloy sheet coated with RAL9003 powder, offering superior anti-corrosion performance and a lightweight build. The outer drip tray also features an integrated hinged design for easy maintenance.
What are the standard defrosting options available?
Electric defrosting is standard, featuring stainless heating pipes integrated in the middle of the coil and inner water plate. Hot gas defrosting or a hybrid hot gas coil and electric water plate defrosting can also be customized.
Which refrigerants can be used with these coolers?
These coolers are highly versatile and fully compatible with R404A, R507A, R448A, R449A, R134a, R22, and other common refrigerants.
How are the fan motors configured for noise control?
The coolers utilize Φ350 axial fans with individual connections to the junction box. The fan motors are divided into 4-poles and 6-poles to satisfy different noise and air volume requirements.
Does the manufacturer accept custom OEM orders?
Yes, OEM customization is fully supported and accepted to meet specific dimensional and technical requirements.