Specifications

A/C System Components
3-15
TOYOTA Air Conditioning and Climate Control – Course 752
Many Toyota vehicles now use a sub-cool condenser that helps separate
the liquid from the gaseous refrigerant. In this design, the condenser
r
edirects
g
aseous refrigerant to the top for further cooling (gas-to-liquid)
while the liquid refrigerant exits from the bottom. This ensures all
refrigerant sent to the evaporator is in a liquid state.
The amount of refrigerant flowing through the system varies depending on
heat load and ambient (outside) temperature. Because of this,
extra
refrigerant must be available for these different conditions. The
receiver- drier acts as a storage tank for extra refrigerant. It also contains
a filter and a
desiccant material in an internal sack to help remove
moisture in the system.
Sub-Cool
Condenser
• Current models use
sub-cool type.
• Super cooling portion
more efficiently
changes gaseous
bubbles into liquid.
Modulator
Super-Cooling Portion
Liquid
Refrigerant
Gaseous
Refrigerant
Condensing Portion
Multiflow Condenser
Receiver-
Drier
Receiver-Drier
• Removes moisture
from refrigerant.
• Stores liquid refrigerant.
• Filters refrigerant.
Filter
Desiccant
Drier
Receiver
T
ube
Receiver
Body
Sight Glass
IN
OUT
Fig. 3-17
752f317
Fig. 3-18
752f318
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