Chilled Water Fan Coil Unit Piping Diagram

Covering chillers pump sets ahus risers primary and secondary systems cooling towers and bypass lines.

Chilled water fan coil unit piping diagram. Unions must be ordered on both coils of 4 pipe units. Glycol system diagram for single pre heat coil. Chilled water cooling co ils shall be selected to provide a 15 f or higher temperature difference between leaving and entering water temperatures and a minimum of 57 f leaving water temperature at design conditions. Unions are not available separately.

Exceptions to section 6 5 4 7. Whd double wall 2 pipe electric heat. If you think all video information are worth for you just have to pay for coffee to support channel https www paypal me afreenali hvac fcu fan coil unit. It is equally useful for room fan coil units and medium or large central air.

The chilled water branches off the risers into smaller diameter pipes which head to the fan coil units fcu s and air handling units ahu s to provide air conditioning. Two pipe originated 50 or 60 years ago as a cost effective way to add air conditioning. When ordered unions are installed at the water coil and are available on vav products and all fan coil units except vh. Single 2 way chilled water coil piping detail with 2 way control valve.

All vh units include two flexible stainless steel braided hoses and ball isolation valves per coil. Four pipe fan coil unit piping diagram. The ahu s and fcu s are basically boxes with fans inside that suck air in from the building and push it across the heating or cooling coils to change the temperature. Single 3 way water coil piping detail with 3 way control valve.

A 2 pipe hvac system is one that uses the same piping alternately for hot water heating and chilled water cooling as opposed to a 4 pipe system that uses separate lines for hot and chilled water. A chilled water system is a cooling system in which chilled water is circulated throughout the building or through cooling coils in an hvac system in order to provide space cooling. Phh 2 pipe electric heat. Gas fired emergency generator detail.

At t stadium arlington tx. 2 pipe systems the 2 pipe water distribution system is used with both heating and cooling equipment con taining water coils. Chilled water would need to be redesigned so they are not prohibitively large expensive or space consuming. Chilled water cooling coil 6 5 4 7 chilled water coil selection.