Subaru Impreza 2003, Service Manual

Page: 2720 / 3610

AC-2
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATIONS
1. HEATER SYSTEM
2. A/C SYSTEM
• AUTO A/C MODEL
Item Specifications Condition
Heating capacity
5.0 kW (4,300 kcal/h, 17,062
BTU/h) or more
• Mode selector switch: HEAT
• Temperature control switch: FULL HOT
• Temperature difference between hot water
and inlet air: 65
°
C (149
°
F)
• Hot water flow rate: 360
2
(95.1 US gal,
79.2 Imp gal)/h
Air flow rate
280 m
3
(9,888 cu ft)/h
Heat mode (FRESH), FULL HOT at 12.5 V
Max air flow rate
450 m
3
(15,892 cu ft)/h
• Temperature control switch: FULL COLD
• Blower fan speed: 4th position
• Mode selector lever: RECIRC
Heater core size
(height
×
length
×
width)
LHD model
163.9
×
200
×
25.0 mm
(6.45
×
7.87
×
0.984 in)
—
RHD model
181.5
×
160
×
27 mm
(7.15
×
6.30
×
1.06 in)
Blower
motor
Type Magnet motor 200 W or less at 12 V
Fan type and size
(diameter
×
width)
Sirocco fan type
150
×
75 mm (5.91
×
2.95 in)
—
Item Specifications
Type of air conditioner Reheat air-mix type
Cooling capacity
5.1 kW
(4,385 kcal/h, 17,402 BTU/h)
Refrigerant
HFC-134a (CH
2
FCF
3
)
[0.5
±
0.05 kg (0.99
±
0.11 lb)]
Compressor
Type Vane rotary, fix volume (CR-14)
Discharge
144 cm
3
(8.79 cu in)/rev
Max. permissible speed 7,000 rpm
Magnet clutch
Type Dry, single-disc type
Power consumption 47 W
Type of belt V-Ribbed 4 PK
Pulley dia. (effective dia.) 125 mm (4.92 in)
Pulley ratio 1.064
Condenser
Type Corrugated fin (Sub cool type)
Core face area
0.21 m
2
(2.26 sq ft)
Core thickness 16 mm (0.63 in)
Radiation area
5.34 m
2
(57.48 sq ft)
Receiver drier
Effective inner capacity
250 cm
3
(15.26 cu in)
Expansion valve Type Internal equalizing
Evaporator
Type Single tank
Dimensions (W
×
H
×
T)
255
×
200
×
48 mm
(10
×
7.87
×
1.89 in)
Blower fan
Fan type Sirocco fan
Outer diameter
×
width 150
×
75 mm (5.91
×
2.95 in)
Power consumption 200 W