Energy saving design for air conditioning system in hotel projects

For the hotel projects which need to meet the cooling and domestic hot water demands at the same time, different operating conditions are realized through the auto-switch of the control valves on the water source heat pump unit, fire cistern and ground heat exchanger. Presents the composition of the four pipes heat pump system, and analyses the all-year operating condition, inter-cycle system, annual cooling water system and ground heat exchanger system.