FloAire Direct Expansion Coil Modules - Manual (Page 13)

13
Component Description
The following table lists common components and their function inside the AC system.
Component Number Component Description of Operation
1 Filter Dryer Removes moisture and small
particulate from the refrigerant
lines
2 Sight Glass with Moisture Indicator
(optional)
Allows for viewing of refrigerant
flow and moisture content
3 Solenoid Valve
(required for liquid line lengths in
excess of 75 FT)
Valve, wired in parallel to the
signal lines, blocks the flow of
liquid refrigerant back into the
compressor during reset.
4 Thermal Expansion Valve Controls the amount of liquid
refrigerant flowing into the coil,
with the use of a capillary bulb.
5 Thermal Expansion Valve Bulb Senses the suction line
temperature and adjusts
refrigerant flow accordingly
1
2 3
4
5
Compressor
Suction Line(s)
Liquid Line(s)
DX Coil Module Air Handler Intake Hood
Typical Installation of an AC system