Carrier T-326 Air Conditioner User Manual


 
5
T--326
Air In
Air Out
Air In
Air Out
10
1
2
3
4
5
6
7
8
9
1. Compressor
2. Electro--Magnetic Clutch
3. Discharge Line
4. Condenser
5. Filter Dryer/Sight Glass
Assembly
6. Liquid Line
7. Evaporator
8. Block Valve (TXV)
9. Freezestat--(Coil
freeze--up thermostat)
10. Suction Line
Figure 1-1 Component Locations
Filter/Dryer -- T he filter/d ryer re moves moisture and particu late
matter from the re frigerant.
Expansion/Block Valve -- Me ters the refrigerant fl ow int o the
evaporator coil. The majority of the Gen 4 (Excel) and all Gen 5
systems use a nonadjustable block valve with an 8° F superheat
setting, which is pre set at the factory. If you feel there is a problem
with the block valve, do not attempt to adjust the valve, if needed,
it should be replaced by an authorized Carrier Transport A/C
service center.
Evaporator -- The evaporator is located i n the interior of the
vehicle. Its primary function is to transfer heat contained in the
passenger compartment air , into the refrigerant, which is circulated
by the compressor, through the evaporator coil. During this process
the air is also filtered and dehumidified.
Resistor -- Resistors are us ed to control the speeds of the
permanent magnet evaporator blower moto rs.