Air Handler Hot Water Coil Piping

Simply piping the coils in the correct manner from the beginning would seem to be the easiest and most cost effective solution.

Air handler hot water coil piping. This example will use a water coil requiring 50 gpm with a supply temperature of 180 f and a return of 140 f. Water is produced as a byproduct of the cooling system and typically drains away from the house through a hose or pipe. That percentage reduction varies based on each coil s unique dimensions but a reliable estimate is a loss of 8 12. 2 table of contents.

2 table of contents general notes and legend. A malfunction anywhere in this system can cause an air handler to not dispose of water properly and result in water overflowing onto the floor. 3 piping package code descriptions diagrams vav products and hl hp vf and vl fan coils. An air handler that is leaking water on the floor may be the result of a few issues.

Ah av. 1 5 5 tons. Saves energy compared to traditional furnaces when integrated with rinnai s highly efficient tankless water heaters or boilers that can deliver home heat and domestic hot water. Another set of pipes is dedicated to hot water generally kept between 150 degrees f and 200 degrees f.

Quiet performance as a result of a fully. There are some residential air handlers that use either a hot water heater or a boiler for a hot water coil located in the air handling unit. 6 vh fan coil 3 way with ball valve in bypass. In the case of a steam coil the steam trap could be a problem.

The rinnai hydronic air handler systems connects seamlessly to select rinnai tankless water heaters to deliver efficient home heating and domestic hot water simultaneously in one complete system. Common problems encountered when working on these air handlers include. If you opt to not counter flow a chilled water coil you ll have to reduce the coil s overall performance by a certain percentage. A very standard design we see every day.

Variable air volume systems chilled hot water applications. Flyer pdf 778 kb benefits. The return temperature to the boilers will be 140 f. 28 115 mbh.

Normal problems in hot water chilled water air handlers include condensate leaks dirty coils control malfunctions water flow problems and control piping and airflow design problems. Williams standard coil has the hot water coil located in the reheat position. 4 vh fan coil 2 way. The pipes run to air handlers which use the chilled or hot water to change the air temperature.

7 guide specifications 7 component specifications manual ball valve with. 0 row hot water first digit chilled water second digit hot water ah008w4b42 42 indicates four row chilled. On a call for heat a circulator pump kicks on along with the blower. 5 vh fan coil 3 way.

Ideal cooling and dehumidification when combined with an evaporator coil and air conditioning unit. The air passes over the coil and picks up heat from the coil and hot water inside the coil. An example of a typical hot water ahu coil piping is shown below.