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What is the work of Variable Frequency Drives panel in Chiller Plant?
Vfd is used for maintaing the pressure of whole chiller line.
What is suction and discharge superheat?
Suction superheat is the heat added to the refrigerant above that required to change its state from liquid to vapour (as happens in the evaporator). This heat is added both in the evaporator, in the suction line and (where applicable) in the suction accumulator.Discharge superheat is suction superheat plus heat of compression, and must be removed in the condenser before condensation, the change of state from vapour to liquid, can occur.The HVAC Veteran
How many types of industrial chiller in the world?
there are three type of different chiller 1- Air 2- Water 3- Evaporative Condencer Chiller By # Zish Siraj From Karachi 00923212170310
Where is the worlds biggest chiller?
NIH in Maryland
What is pump head calculation in HVAC?
This is the calculation for how much static pressure shall be created by the pump to flow the water in chiller loop or for the pump to flow the water for cooling tower cycle.
What is the chiller condenser pressure?
According to state of the outlet refrigerant from compressor, it's better we use refrigerant temperature.
What is the correct suction pressure whin charging a chiller using refrigerant 134a?
926.5
Where is the rupture disc located on a low pressure chiller?
the rupture disc is piped off the chiller barrel (evaporator) and will vent the refrigerant outside incase of over pressure of the unit
What is Condenser pressure in absorption chiller?
Condenser pressure in an absorption chiller refers to the pressure within the condenser unit where the refrigerant vapor is condensed into a liquid. It is influenced by the temperature of the cooling medium (usually water or air) used to remove heat from the refrigerant. Maintaining appropriate condenser pressure is crucial for the efficient operation of the chiller, as it affects the overall performance and capacity of the cooling system. High condenser pressure can reduce efficiency and increase energy consumption, while low pressure can lead to inadequate refrigerant flow.
Why must water be circulated through a chiller during a refrigerant evacuation?
When evacuating refrigerant from a chiller system, circulating water through the chiller helps dissipate the heat generated during the evacuation process. This prevents the chiller components from overheating and ensures efficient and safe evacuation of the refrigerant. It also helps maintain the chiller's operational efficiency.
How does a low pressure chiller work?
A low pressure chiller works by circulating a refrigerant at low pressure through a system that absorbs heat from a process or space. The refrigerant absorbs heat as it changes from a liquid to a gas in the evaporator coils, removing heat from the system. The gas is then compressed to increase its temperature and pressure before being condensed back into a liquid in the condenser coils, releasing the absorbed heat.
Where is the rupture disc located on a low pressure chiller picture?
The rupture disc on a low pressure chiller is typically located on the refrigerant circuit close to the compressor. It is designed to release pressure in the event of an overpressure situation to prevent damage to the system. The exact location can vary depending on the chiller's design and manufacturer.
How many pounds of refrigerant are in a carrier 19DK 242 ton chiller?
There is no single answer to this question as the amount of refrigerant in a chiller can vary based on the specific model, operating conditions, and refrigerant type used. It is best to consult the manufacturer's specifications or technical documentation for the exact amount of refrigerant required for the Carrier 19DK 242 ton chiller.
What is the difference between vrv system and chiller?
Chiller uses chilled water while vrv uses refrigerant directly
What should be done to reduce refrigerant loss from a purge unit on a CFC-11 chiller?
Leak test and repair the chiller.
When a chiller is used the secondary refrigerant that circulates in the building is?
Water
How much refrigerant vapor is left in an average 350 ton r11 chiller at 0 Psi once all the r11 liquid is removed?
In a 350-ton R-11 chiller, if all the liquid refrigerant is removed, the amount of vapor left at 0 psi would typically be minimal. The refrigerant vapor remaining would depend on the specific design and operating conditions of the chiller, but generally, the vapor pressure of R-11 at 0 psi is very low, indicating that only a small quantity of vapor would remain. Additionally, it's important to ensure that the system is properly evacuated to minimize any residual refrigerant.
