Subaru 2002 Impreza Service Manual page 374

AIR CONDITIONER
HVAC
System (Heater,
Ventilator and
N C )
Specification
"Full-air-mix" type
Cooling capacity (W) 51 00
Air flow rate (m3/h) 450
2. Air Conditioner
A: GENERAL
The air conditioner has a newly-developed subcool condenser for improved heat-exchange eff i-
ciency.
As with the previous model's air conditioner, the refrigerant employed is the chlorine-free
HFC-134a (R134a), which does not contribute to ozone-layer damage.
A simple system structure is realized by incorporation of the receiver dryer into the condenser.
1. SPECIFICATIONS
Remarks Item
HFC-134a (9)
Air conditioner
500 f 50
Cooling
performance
Type
Capacity (g/revolution)
Maximum permissible
speed (rpm)
Lubricant (amount con-
tained in compressor in
9)
Refrigerant
quantity
Rotary type with vanes
144
7000
DH-PR
Calsonic CR14
Compressor
Belt
Type
Fan Type
Fan diameter
Power
consumption (W)
Type
Expansion valve
Temperature control
sensor
Fast idle control
Magnetic clutch
Polyurethane V-belt with four ribs
Multi-flow type (with built-in liquid tank capatible with sub-
cooling)
Electric-motor-driven axial flow fan
320 mm (7+5 blades)
120 x 2 (turbo model), 70 x 2 (non-turbo model)
Laminated
External pressure equalizing type
Thermistor
Performed by engine control module (ECM)
Condenser
High and low pressure
limit control
High-speed limit control
Radiator and condenser
fan control
Evaporator
Low-pressure switch:
turns off compressor at a pressure lower than 0.278 MPa
High-pressure switch:
turns off compressor at a pressure lower than 2.8 MPa
Performed by ECM
Performed by ECM
Other controls
Type
I
Dry, single disc
I
Power consumption
(w)
I
47
I
Pulley ratio
1
:I .064 (crankshaft pulley diameter: 133 mm; compressor
pulley diameter: 125 mm)
AC-10