Case Introduction

Hangzhou Grand Theater is located in the administrative core area of ??Qianjiang New Town, Hangzhou City. It is a landmark building in Hangzhou. As a modern large-scale building purely for performances, the Hangzhou Grand Theater has a complex architectural structure and includes multiple functional areas such as an opera house, a concert hall, a multi-functional hall, and a public hall. The project was completed in December 2005. When selecting air-conditioning systems, owners not only attach great importance to product energy efficiency, but also care about the flexibility and controllability of the air-conditioning system. In the end, Trane won the favor of the customer with its excellent products and solutions, and was given the opportunity to provide a complete set of central air-conditioning system equipment for the Hangzhou Grand Theater.

The Hangzhou Grand Theater has a total construction area of ??more than 55,000 square meters. Multiple internal areas have complex and changing needs for cooling methods and time due to different functions. In order to meet the demand, the plan proposed by the design unit puts forward extremely high requirements for the air conditioning system: 1. The air conditioning system must have considerable adjustment and adaptability to meet the differences in cooling time and cooling capacity needs of different functional areas. 2. The stability and performance of the air conditioning system must meet the requirements for the grand theater to be used as a professional viewing space. 4. Consider comfort and energy saving from both operators and users. There is no doubt that Trane faces extraordinary challenges.

From the perspective of fully meeting customer needs, Trane has equipped different functional areas with different types of air-side products according to the requirements of the designer to meet differentiated needs: 1. Song and dance area , using Trane double fans and double coils, the displacement air supply form ensures effective greenhouse temperature control and return and return air balance. At the same time, natural room partitions also ensure the reliability of sound and vibration isolation. The stage adopts Trane dehumidification and ventilation system and four independent full air conditioning systems, which not only can effectively control the temperature field, but also ensure that the stage machinery is not affected by moisture and remains stable and reliable. 2. The public lobby is equipped with two Trane 20x100,000 cubic meter/hour combined air-conditioning units, which adopt a layered and zoned air supply method to solve the temperature gradient problem caused by the huge space. 3. In the performance preparation area and office area, Trane parallel fan type variable air volume (VAV) terminal equipment with hot water coils is used, which not only saves the operating cost of the air system, but also ensures good indoor air quality

From the perspective of fully meeting customer needs, Trane has equipped different functional areas with different types of air-side products according to the requirements of the designer to meet differentiated needs: 1. In the singing and dancing area, Trane double fans are used The double coil and displacement air supply form ensures effective greenhouse temperature control and air supply and return air balance. At the same time, natural room partitions also ensure the reliability of sound and vibration isolation. The stage adopts Trane dehumidification and ventilation system and four independent full air conditioning systems, which not only can effectively control the temperature field, but also ensure that the stage machinery is not affected by moisture and remains stable and reliable. 2. The public lobby is equipped with two Trane 20x100,000 cubic meter/hour combined air-conditioning units, which adopt a layered and zoned air supply method to solve the temperature gradient problem caused by the huge space. 3. In the performance preparation area and office area, Trane parallel fan type variable air volume (VAV) terminal equipment with hot water coils is used, which not only saves the operating cost of the air system, but also ensures good indoor air quality

The design of the air-conditioning hot and cold water system of this project is relatively advanced. The cold water system adopts a primary pump variable flow system, and the hot water system adopts a secondary pump variable flow system. Since the load of the air-conditioning system of the Hangzhou Grand Theater changes greatly due to the needs of performances in different areas, the use of a variable frequency pump can adjust the flow of the water pump according to the load of the air-conditioning system, significantly saving water pump energy consumption throughout the year. In order to obtain the best air-conditioning system performance, the air-conditioning system of the Hangzhou Grand Theater is equipped with Trane's Tracer Summit control system, which realizes automatic control and central monitoring, bringing the level of the building's air-conditioning energy control management system to a new level. Under the premise of reasonable cost and reliable operation, we can achieve the maximum saving of building energy consumption and achieve the goal of energy conservation and environmental protection.

Hangzhou Grand Theater was put into operation in July 2004 and has been in operation for about two years. The air-conditioning effect is excellent.

In this multi-functional building with novel and unique shape and complex functional requirements, the stability and efficiency shown by Trane air-conditioning products and the flexible and accurate control results achieved by the Trane control system have been favored by the managers and users of the grand theater. praise from readers. At the same time, this project also fully demonstrates the Trane team’s strong ability to pay great attention to details, carefully understand the engineering characteristics and actual conditions, and rationally use new technologies to solve complex problems.

Project information

Project location: Within the administrative district of Qianjiang New City, Hangzhou

Building area: 55,144 square meters

Total construction Height: 45.85 meters

Design investment: 878 million yuan

Opening date: December 2005

Design unit: Canadian Carlos Ott Design Institute, Hangzhou Architectural Design and Research Institute

The installed system The main equipment used in this system:

Host machine:

2 Trane three-stage centrifugal units CVHG 780 refrigeration tons

1 Trane three-stage centrifugal unit CVHE 420 refrigeration tons

Terminal:

More than 140 VAV variable air volume terminals and AHU, etc.

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Control:

1 set of Trane TRACER-SUMMIT control system

Using energy-saving system:

Variable Primary Flow primary pump variable flow system

Hangzhou Grand Theater

As a landmark building in Hangzhou, the central air-conditioning system of Hangzhou Grand Theater has been running stably and reliably, with excellent air-conditioning effect. It has received positive comments from all parties, which fully reflects the The quality and reliability of Trane's full range of products, as well as their high adaptability. To meet various changing conditions and complex designs, Trane wins with facts