Grad geothermal heat pump
It is a unit adopting the cooling tower cooling refrigerant circulatory system to exchange heat and then to get the air conditioning and process chilled water. It works together with the terminal devices to complete the whole air conditioning system.
Features:
1. High efficiency and low noise: it has a higher EER and the COP value can be as much as over 4.6.
2. Reasonable system structure: the unit can be horizontal or vertical which is easy to install
3. Intelligent regulation: the unit can adjust automatically as per the loading, which can save energy a lot.
4. Good performance and reliable.
Applications:
This unit is mainly used for cooling in summer, which is widely used in comfort central air conditioning system for communal facilities like hotel, shopping mall, office building, exhibition hall, airport, gym etc. Meanwhile, it can meet the various requirements of process air conditioning system for industries like electricity, pharmacy, biology, light textile, metal and mechanical industries etc.
Components
1. Semi-hermetic screw refrigeration compressor, with simpler structure, even and continuous inlet and exhaust air, small running shock, high stability and long life span.
2. Shell & tube evaporator and condenser
3. Expansion valve: electronic expansion valve control system can meet as much as 2600 steps control precision, which can make the unit keep optimal condition.
4. All the assembly work will be finished in the factory and the unit can be delivered after qualified operation and trial test.
5. Microcomputer control system.
Standard working conditions: cooling water in/out temperature: 30°C/35°C; cold water in/out temperature:12°C/7°C.
Usually we use plywood package or naked package. Some of the products like fan coil unit or table tennis board have standard carton package. The shipping terms are LCL, 20’ container, 40’ container
Before-sale services:
(1) Tell customers how to use our products and matters needing attention.
(2) Guide customers to choose the best and economic product, recover the investment within short time.
(3) Site inspection if you need.
In-Sale services:
(1)Quality control must be inspected strictly.
(2)In accordance with the agreements stipulated in the contract.
After-sale services:
(1) If the project needs our installation guidance, we can send our engineer and translator. We can also send customers installation video to teach them how to fix and operate with
our product.
(2) Usually, our product warranty is 18 months after leaving factory or 12 months after installation. within this months, all parts broken will be responsible for our factory.
(3) Regular contact with customer, consult with the customer feedback, come true with
the customer's two-way communication.
Shandong GRAD Group Co., Ltd. is located in Dezhou city, Shandong Province,covering an area of 450,00 square meters. It is a large modern enterprise group with central air-conditioning, ventilation, FRP products research development, design, production, sales, installation and maintenance.It is the backbone enterprise of "Dezhou • Central air-conditioned city" named by China Refrigeration and Air Conditioning Industry Association(CRAA).
GRAD Group products include: central air conditioning series products(chillers, air conditioners, fan coils, cooling towers, ventilators and accessory products), FRP series products (FRP winding pipes and storage tanks), SMC moulding products (water tanks, table tennis boards, basketball boards, manhole covers, etc) . All products have been inspected by the national quality inspection department.
If you have any question,please fell free to contact with following information.