Technical Service Manual - mbm-Service GmbH
Technical Service Manual - mbm-Service GmbH
Technical Service Manual - mbm-Service GmbH
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Evaporator<br />
As air is pushed<br />
through the<br />
evaporator by the<br />
fan motors liquid<br />
refrigerant absorbs<br />
heat through the<br />
walls of the<br />
evaporator coils and<br />
vaporizes - thus<br />
becoming a low<br />
pressure gas.<br />
Condensate<br />
Pan<br />
The resulting warm air<br />
from the condensor<br />
blows over the<br />
condensate pan and<br />
evaporates the water.<br />
Color Chart<br />
Dark Blue = Low pressure liquid<br />
Light Blue = Low pressure gas<br />
Red = High pressure gas<br />
Pink = High pressure liquid<br />
Hot air out<br />
®<br />
Compressor<br />
Combines heat absorbed<br />
in the evaporator coils with<br />
heat of compression from<br />
the piston stroke then<br />
pushes high pressure gas<br />
(vapor) on into the<br />
condenser.<br />
24<br />
Compressor<br />
Fan Motor<br />
Evaporator<br />
Fan Motor<br />
Cool air in<br />
Thermostat<br />
Senses evaporator<br />
temperature<br />
@40°F cuts in -<br />
starts compressor<br />
@18°F cuts out -<br />
shuts compressor<br />
off<br />
Capillary<br />
Tube<br />
Meters the amount<br />
of liquid refrigerant<br />
into the evaporator<br />
where it absorbs<br />
heat.<br />
Condenser<br />
High pressure gas is<br />
condensed into a high<br />
pressure liquid when the<br />
heat is removed. By pulling<br />
air in the front of the<br />
condenser by means of the<br />
fan motor. The air will be<br />
used to evaporate the drain<br />
pan water.
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