Low noise 22kw cooling and heating air to water heat pump
High COP 22kw cooling and heating air to water heat pump
Function:
1, Heating mode
2,Compressor over current protection function
3, Automatically remember all parameters if power off
4, Display water tank temp, preset temp and inquiry function
5,Turn on/off at two certain period of time within 24 hours.
6,Compressors run in balance and starts are staggered.
7,Electric heating back up.
8,Automatically and forced defrosting function
9,Huge LCD display (with blue background and white word).
10,Perfect protect and display
11,Lack of phase or wrong phase of three phase power supply can be
protected.
12,Anti-freezing function
13, Under the condition of without control panel (or panel
damaged), system can work automatically.
14,Linkage interface (optional)
Temperature:
1, Working temperature range of outdoor: -7℃ to 43℃
2,Rated working condition: Rated working condition: dry-bulb temp:
20℃, wet-bulb temp: 15℃, cool water temp: 15℃, hot water temp:55 ℃.
3, Max water temperature: 60℃
Some important information:
1,Working mode: Heating mode
2,Level of protection: IPX4
3,Electric shock proof grade: I
4,Refrigerant: R407C or R134A or R417A
Components:
1,Compressor: Copeland scroll compressor
2,Controller:wedy multifunction controller, (circuit board, LCD
panel, temperature sensors)
3,Evaporator: Hydropilic Aluminium foil and internal thread copper
pipe heat exchanger
4,Throttle unit: Danfoss electric expansion valve
5,Cabinet: Galvanized sheet/ Spray coating/ gray color or stainless
steel
6,Condenser: high efficiency shell and tube heat exchanger or
double-pipe heat exchanger
| Model | WD-03SR-220V | WD-03SR-380V | WD-05SR(LHC) | WD-06SR(LHC) | WD-10SR(LHC) | WD-20SR(LHC) |
| Input power | Heating mode | KW | 2.03 | 2.29 | 3.49 | 4.09 | 8.24 | 14.2 |
| Heating capacity | KW | 8.1 | 9.1 | 14 | 16.4 | 32.8 | 57.2 |
| COP | | 3.99 | 3.97 | 4.01 | 4.01 | 3.98 | 4.03 |
| Current | A | 10.2 | 4.5 | 15.9 | 7.5 | 14.5 | 26 |
| Water flow when heating | L/h | 2000 | 2200 | 3408 | 4000 | 8000 | 13800 |
| Input power | Cooling mode | KW | 2.32 | 2.62 | 4.01 | 4.71 | 9.42 | 15.9 |
| Cooling capacity | KW | 6.3 | 7.1 | 11 | 12.8 | 25.6 | 43.8 |
| EER | | 2.72 | 2.71 | 2.74 | 2.72 | 2.72 | 2.75 |
| Current | A | 10.70 | 4.80 | 12.50 | 8.00 | 16.00 | 28.00 |
| Water flow | L/h | 1400 | 1600 | 2386 | 2800 | 5600 | 10200 |
| Water pressure drop | Kpa | ≥70 | ≥70 | ≥70 | ≥70 | ≥80 | ≥70 |
| Level of protection | | IPX4 | IPX4 | IPX4 | IPX4 | IPX4 | IPX4 |
| Electric shock proof grade | | I | I | I | I | I | I |
| Noise | db | 50 | 50 | 60 | 60 | 65 | 75 |
| Net weight | kg | 120 | 120 | 160 | 160 | 280 | 771.5 |
| Gross weight | kg | 130.5 | 130.5 | 175 | 175 | 303 | 875 |
| Pipe size | mm | 25 | 25 | 25 | 25 | 32 | 50 |
| Power supply | V | 220V～240V | 380V～415V | 220V～240V | 380V～415V | 380V～415V | 380V～415V |
| Power supply L wire line | Mm2 | 2.5 | 2.5 | 4 | 4 | 6 | 10 |
| Power supply N wire line | Mm2 | | 1.5 | 2.5 | 2.5 | 2.5 | 4 |
| Dimension | mm | 830*490*1160 | 830*490*1160 | 1090*480*1260 | 1090*480*1260 | 1450*740*1150 | 1850*1000*1950 |
| Packing dimension | mm | 910*500*1320 | 910*500*1320 | 1160*500*1410 | 1160*500*1410 | 1510*820*1320 | 1940*1120*2180 |
| Compressor model/ quantity | | ZW30KSE*1 | ZW34KSE*1 | ZW52KSE*1 | ZW61KSE*1 | ZW61KSE*2 | ZW108KSE*2 |
| Compressor | | Copeland scroll compressor |
| Load side heat exchanger | | Double-pipe heat exchanger | shell and tube heat exchanger |
| Source side | | Blue hydrophilic aliuminium foil,wavy fin and copper tube heat exchanger |
| 4-way valve | | SHF-11-45D1*1 | SHF-11-45D1*1 | SHF-20A-46*1 | SHF-20A-46*1 | 2*SHF-20A-46*2 | 2*SHF-35A-79*2 |
| Thermal expansion valve | | Emerson 3Ton | Emerson 3Ton | Emerson 5Ton | |
