Longhu, China
Building name |
Longhu |
Floor area (sq mts) |
1.3 million m2 |
Location |
Chongqing |
Number of floors |
36 |
Building use |
Hotel, retail, office, residential |
Built year |
2014 |
Short description of technologies and BEMS |
|||
Cooling system
|
Direct return chilled water system, centrifugal, primary fixed frequency pump, secondary variable-frequency, BA and DDC control, energy saving terminal with Oventrop balance valve |
||
Heating system |
Centralized hot water, centralized boiler, reverse return hot water circulation system |
||
Ventilation system |
Combined air handling units |
||
BEMS
|
Lighting |
On/off controls have been provided in all retail and office areas. Automatic lighting schedules have been incorporated in landscape lighting and common areas in office building. |
|
Solar shading |
Louvre adjustment controls for glazing in shopping mall |
||
Air conditioning, heating and ventilation |
Occupancy schedules have been incorporated in the automation system with optimum start-up function. Function selection between cooling and heating is determined by a set-point control. Ventilation is controlled by monitoring indoor air quality using CO2 sensors. Room temperature can be adjusted through automatic individual room controls using thermostatic values or electronic control devices. Precision temperature control is enabled in server/equipment room. |
||
HVAC equipment and ancillary controls |
Central cooling equipment (multiple chillers) has sequence control and load optimization features. Chiller and pumps, cooling tower for all central chillers are enabled with variable speed control mechanism.
|