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3 ways valve is required for cycling off or bypass the chilled water. Black steel pipe, polyethrene pipe and copper tube are recommended in the field installation. All types of piping and connection must be insulated with polyethrene (ARMAFLEX type or equivalent) to avoid condensation.
FAN COIL UNIT APPLICATION OVERVIEW 2-4 pipe fan coil units, unit ventilators and induction units take advantage of the energy storage qualities of chilled and hot water and are generally found in larger buildings where chillers and boilers make economic sense.
Johnson Controls offers hot water, chilled water, direct expansion (DX), and standard steam coils for specif- ic application with all FN Series Fan Coil Units. Strict on-site inspection before, during, and after installation
The drain pipe can be PVC or steel. Connect the drain pipe to the unit. Pipe insulation is recommended to avoid condensation. The suggested slope of the drain pipe is at least 1/8" per foot, but local code will prevail. Refer to Figure 3 for typical piping installation. Suggested Condensate Trapping
26 Μαρ 2024 · On the other side, air handling units (AHUs) and fan coil units (FCUs) are basic air conditioning units that are made up of mainly 4 components: Cooling coil; Fan blower; Air filters; Condensate drain line. Below is how an air handling unit provides cooling using chilled water:
level fan coils, or sensible-cooling terminals respond to changes in the zone cooling loads by modulating chilled-water valves and by staging or modulating fans.
26 Μαρ 2024 · Generally, a chilled water fan coil unit is a relatively smaller form of air conditioning unit that uses chilled water to transfer heat from indoor to outdoor. It controls its cooling capacity by regulating the amount of chilled water flowing inside its cooling coil.
