1.Famous scroll compressor and valve, optimized heat exchanger, electric heater (optional)and electrode humidifier(optional) ,high efficiency and low noise fan and energy-saving motor, advanced control equipped with multiple protections.
2.Multi-compressors system can adjust capacity according to the loading, high efficiency and energy saving. Maintenance can be carried out in front, which is convenient for installation, maintenance and commissioning.
3.Water cooled condensing , which is more energy-saving.
4.Widely used in electronic industry, instrument and meter, printing factory, communication equipment, power supply and distribution station, precision machinery manufacturing and other applications which required high precision for temperature and humidity.
5.Standard model is duct type design , there is optional supply air plenum for 26- 66kw , which make supply air directly .
Water Cooled Package Unit
PWG-W water cooled package units absorb many latest design achievements at China and abroad, combined with the actual application, launched a new generation of humanized vertical package type air-conditioning units. It adopts internationally famous scroll compressor and valve, adopts optimized heat exchanger, high efficiency and low noise fan and energy-saving motor, advanced microcomputer technology, and is equipped with perfect multiple protections.The product has mature technology, flexible design, compact structure, simple installation, stable and reliable performance and high energy efficiency . Standard model are duct type design , there is optional supply air plenum for 05-25hp , which make supply air directly,it can be directly installed on the roof, ground, balcony and other places, don’t need equipment rooms, which greatly saves the installation space; It can be widely used in industrial and commercial places, such as factories, hospitals, schools, shopping malls, computer rooms, etc, In additionally, for heating demanding , it can select electric heater .
Unit Features
1.Compressor
It used the world famous brand scroll compressor , which has the characteristics of high cooling efficiency and high performance, and is equipped with internal phase loss and overload protection , which is energy-saving, high efficiency, long lifespan and good quality
(1) Low noise: the novel design eliminates the vibration of the suction and discharge valves, and significantly reduces the noise;
(2) Safe and reliable: the number of running parts is reduced, and the back-flow of liquid is tolerated, so the failure rate is very low;
The compressor is equipped with thermal protection, phase protection and other protection devices. It has excellent liquid carrying compression capacity, no-load starting and scroll compression disk which is not affected by wear. It can meet the strict requirements of frequent starting and long-time continuous operation of precision air conditioning system. When starting in winter, the normal starting function of compressor can prevent short cycle and low pressure locking.
The installation of crank heater can effectively prevent machine failure due to poor lubrication when starting up.
2 .The unit is equipped with high efficiency centrifugal fan
The indoor unit supply fan is a new type of high efficiency and energy-saving fan, which has the characteristics of high efficiency, low noise, small vibration, compact structure and beautiful appearance.
3. Shell and tube condenser
Use shell and tube condenser. The shell is made of steel plate with a thickness of more than 600mm. After anti-rust treatment, max working pressure is 400psi. Both ends of the pipe side are sealed with flange, the end cover is made of cast iron, and the shell is equipped with fusible bolt and safety valve.
4.Evaporator
The direct expansion evaporator and copper tube are seamless copper tubes with high heat conduction, covered with high-purity aluminum sheet. The aluminum fins is only attached to the copper tube and mechanically expanded, so that the copper tube and aluminum sheet are closely bonded.
5.Advanced control system, complete protections
The well-known brand microcomputer controller , which has perfect automatic control function and can realize remote control. The heat pump type unit automatically defrost, and the unit has multiple protection and regulation configurations, which is safe and reliable. The new cooling system is adopted to make the unit cooling or heating at outdoor low temperature. The ambient temperature of the heat pump system is 0 ~ 45 ℃ for cooling - 10 ~ 20 ℃ for heating. The unit is equipped with high pressure, low pressure, overload, short circuit, open phase, overheating and air flow pressure difference protection.
6.Beautiful appearance
Advanced electrostatic spraying coating technology, smooth and beautiful appearance, suitable for long term operation .
PWG-W water cooled package units absorb many latest design achievements at China and abroad, combined with the actual application, launched a new generation of humanized vertical package type air-conditioning units. It adopts internationally famous scroll compressor and valve, adopts optimized heat exchanger, high efficiency and low noise fan and energy-saving motor, advanced microcomputer technology, and is equipped with perfect multiple protections.The product has mature technology, flexible design, compact structure, simple installation, stable and reliable performance and high energy efficiency . Standard model are duct type design , there is optional supply air plenum for 05-25hp , which make supply air directly,it can be directly installed on the roof, ground, balcony and other places, don’t need equipment rooms, which greatly saves the installation space; It can be widely used in industrial and commercial places, such as factories, hospitals, schools, shopping malls, computer rooms, etc, In additionally, for heating demanding , it can select electric heater .
Unit Features
1.Compressor
It used the world famous brand scroll compressor , which has the characteristics of high cooling efficiency and high performance, and is equipped with internal phase loss and overload protection , which is energy-saving, high efficiency, long lifespan and good quality
(1) Low noise: the novel design eliminates the vibration of the suction and discharge valves, and significantly reduces the noise;
(2) Safe and reliable: the number of running parts is reduced, and the back-flow of liquid is tolerated, so the failure rate is very low;
The compressor is equipped with thermal protection, phase protection and other protection devices. It has excellent liquid carrying compression capacity, no-load starting and scroll compression disk which is not affected by wear. It can meet the strict requirements of frequent starting and long-time continuous operation of precision air conditioning system. When starting in winter, the normal starting function of compressor can prevent short cycle and low pressure locking.
The installation of crank heater can effectively prevent machine failure due to poor lubrication when starting up.
2 .The unit is equipped with high efficiency centrifugal fan
The indoor unit supply fan is a new type of high efficiency and energy-saving fan, which has the characteristics of high efficiency, low noise, small vibration, compact structure and beautiful appearance.
3. Shell and tube condenser
Use shell and tube condenser. The shell is made of steel plate with a thickness of more than 600mm. After anti-rust treatment, max working pressure is 400psi. Both ends of the pipe side are sealed with flange, the end cover is made of cast iron, and the shell is equipped with fusible bolt and safety valve.
4.Evaporator
The direct expansion evaporator and copper tube are seamless copper tubes with high heat conduction, covered with high-purity aluminum sheet. The aluminum fins is only attached to the copper tube and mechanically expanded, so that the copper tube and aluminum sheet are closely bonded.
5.Advanced control system, complete protections
The well-known brand microcomputer controller , which has perfect automatic control function and can realize remote control. The heat pump type unit automatically defrost, and the unit has multiple protection and regulation configurations, which is safe and reliable. The new cooling system is adopted to make the unit cooling or heating at outdoor low temperature. The ambient temperature of the heat pump system is 0 ~ 45 ℃ for cooling - 10 ~ 20 ℃ for heating. The unit is equipped with high pressure, low pressure, overload, short circuit, open phase, overheating and air flow pressure difference protection.
6.Beautiful appearance
Advanced electrostatic spraying coating technology, smooth and beautiful appearance, suitable for long term operation .
Water Cooled Package Unit,Cooling only
| Model | PWG-26W(M) | PWG-32W(M) | PWG-49W(M) | PWG-66W(M) | PWG-76W | PWG-95W | PWG-113W | PWG-133W | PWG-151W | PWG-198W | ||
| Peformance Data | Cooling Capacity | KW | 26.0 | 31.7 | 48.9 | 66.1 | 75.3 | 94.5 | 113.0 | 132.2 | 150.7 | 197.6 |
| Electric heater(Optional) | KW | 13 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 | 72 | |
| Air Flow | m³/h | 4500 | 5700 | 8700 | 12000 | 13500 | 17000 | 19000 | 22000 | 25000 | 32000 | |
| ESP | Pa | 100(0) | 100(0) | 150(0) | 150(0) | 200 | 250 | 250 | 300 | 300 | 350 | |
| Temperature Precision | Summer 22-28±1℃,Winter 18-24℃±1℃ | |||||||||||
| Capacity Adjust % | 0,50,100 | 0,50,100 | 0,33,66,100 | 0,33,66,100 | 0,50,100 | 0,33,66,100 | 0,33,66,100 | 0,25,50,75,100 | 0,25,50,75,100 | 0,25,50,75,100 | ||
| Sound Level | dB(A) | ≥55 | ≥60 | ≥65 | ≥65 | ≥65 | ≥68 | ≥68 | ≥68 | ≥70 | ≥72 | |
| Compressor Type | Scroll Compressor | |||||||||||
| Refrigerant | R410A | |||||||||||
| Fan | Type | - | Centrifugal Fan | |||||||||
| Drive Type | - | Belt Drive | ||||||||||
| Power Supply | Power Supply | 380V~415V/3PH/50Hz | ||||||||||
| Supply Fan Motor Power | KW | 1.1(0.75） | 1.5(1.1) | 2.2(1.5) | 3(2.2) | 4 | 5.5 | 7.5 | 11 | 11 | 15 | |
| Nominal Cooling Power | KW | 6.4 | 8.81 | 13.58 | 18.49 | 20.97 | 26.33 | 31.66 | 36.87 | 42.33 | 54.6 | |
| Evaporator type | Copper Tube With Aluminum Fins Heat Exchanger | |||||||||||
| Shell Tube Condenser | Water Flow | m³/h | 3.4 | 6.9 | 10.7 | 14.5 | 16.6 | 20.8 | 24.9 | 29.1 | 33.1 | 43.4 |
| Water Inlet/Outlet | DN | 40 | 40 | 50 | 50 | 65 | 65 | 65 | 80 | 80 | 80 | |
| Unit Dimension | L(MM) | 1200 | 1200 | 1800 | 1800 | 2160 | 2160 | 2180 | 2480 | 2480 | 2480 | |
| W(MM) | 625 | 625 | 850 | 850 | 1030 | 1030 | 1300 | 1300 | 1300 | 1300 | ||
| H(MM) | With Supply Air plenum | 2170 | 2170 | 2270 | 2270 | / | / | / | / | / | / | |
| Top Supply Air | 1850 | 1850 | 1900 | 1900 | 1890 | 1890 | 2030 | 2030 | 2230 | 2230 | ||
Remark :
1.Throttle type : external banlance type thermal expansion valve;
2.Nylon filter are installed at returen air inlet；
3.Nominal cooling power consumption don't include electric heater & water pump ;
4.Nominal cooling performance test condition ; indoor temperature （DB/WB） 27℃/19℃；Water inlet/outlet temperature 30℃/35℃
5.Operation range cooling condition :indoor side 21~32℃，max inlet water temperature 34℃ ,min inlet water temperature 20 ℃ ,water max working pressure 1.0MPa；
6.Stand unit dont confirgure the electirc heater .
7.Model with (M),supply air static plenum is opetional .
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