reheat coil


Also found in: Acronyms.

reheat coil

1. In an air-conditioning system, a coil which heats air in the supply duct to control its temperature.
2. A coil which is heated to control the temperature of air being furnished to individual zones, 1.
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3 Not recommended on any variable flow system 4 Use if "free," such as floor piping loops 5 Use on 24/7 chilled water systems and campus distribution systems 6 Use on high head systems ([greater than or equal to]90 ft) for valves near pumps TABLE 2 Partial reheat coil schedule vs.
Because both the supply fan and reheat coil will not add or remove the moisture, the supply air sa condition after the reheat coil of the TB can be expressed as
Most of the time, at least one of the suites will be conditioned without reheat, while the remainder of the suites may require local reheat coils to maintain space dry-bulb temperature at the appropriate level.
As previously discussed, a VAV box with reheat coil has capabilities to control supply air flow rate and supply air temperature through modulations of the on-board damper and reheat coil valve to maintain the room air temperature setpoint.
An important benefit of the cycle variant and equipment modifications is augmented dehumidification capability, due to lower evaporation temperatures, that could be used in humid climate zones to replace the reheat coil methodology, giving further energy savings and equipment cost reduction.
Figure 3a and 3b show the excitation signals for supply air flow setpoint and reheat coil valve position, respectively.
Consider placing a single strainer for reheat systems in a location that is easily accessible as opposed to placing strainers on each reheat coil in the ceiling space.
This system uses a central DX cooling system with modulating hot gas reheat providing full condensing at an indoor reheat coil.
Each air-handling unit was modified with a reheat coil supplied with 80[degrees]F (27[degrees]C) process water waste heat to reheat air from 60[degrees]F (15.
A discussion of the minimum outside air portion of the two fan dual duct system, the function of the air-handling unit warm deck heating coil and terminal reheat coil will follow later after the establishment of the energy use advantages of the system.
Major Equipment Used in Building 26 Equipment Number Duct free split system 1 Air cooled screw chiller 1 Variable volume air handler unit 2 Hydronic unit heater 4 Electric unit heater 2 Electric baseboard 4 VAV box with hot water reheat coil 38 Pumps 6