Subaru Legacy III (2000-2003 year). Service manual — part 854
AC-4
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
GENERAL DESCRIPTION
• RHD Model
Item
Specifications
Type of air conditioner
Reheat air-mix type
Cooling capacity
4.7 kW (4,041 kcal/h, 16,035 BTU/h)
Refrigerant
HFC-134a (CH
2
FCF
3
)
[0.45
±
0.05 kg (0.99
±
0.11 lb)]
Compressor
Type
Through vane type (TV-12C)
Discharge
127 cm
3
(7.75 cu in)/rev
Max. permissible speed
6,000 rpm
Magnet clutch
Type
Dry, single-disc type
Power consumption
40 W
Type of belt
V-Ribbed 4 PK
Pulley dia. (effective dia.)
120 mm (4.72 in)
Pulley ratio
1.11
Condenser
Type
Corrugated fin (Sub cool type)
Core face area
0.19 m
2
(2.04 sq ft)
Core thickness
16 mm (0.63 in)
Radiation area
4.786 m
2
(51.50 sq ft)
Receiver drier
Effective inner capacity
250 cm
3
(15.26 cu in)
Expansion valve
Type
Externally equalizing
Evaporator
Type
Multi tank
Dimensions (W
×
H
×
T)
214.4
×
195
×
58 mm
(8.44
×
7.68
×
2.28 in)
Blower fan
Fan type
Sirocco fan
Outer diameter
×
width
150
×
75 mm (5.91
×
2.95 in)
Power consumption
220 W at 12 V
Condenser fan (Sub fan)
Motor type
Magnet
Power consumption
75 W at 12 V
Fan outer diameter
300 mm (11.81 in)
Radiator fan (Main fan)
Motor type
Magnet
Power consumption
75 W at 12 V
Fan outer diameter
300 mm (11.81 in)
Idling speed (A/C ON)
MPFI model
850
±
100 rpm
Dual switch
(Pressure
switch)
Low-pressure
switch operat-
ing pressure
ON
→
OFF
196
±
20 kPa
(2.0
±
0.2 kg/cm
2
, 28.4
±
2.8 psi)
OFF
→
ON
226
±
29 kPa
(2.3
±
0.3 kg/cm
2
, 33
±
4 psi)
High-pres-
sure switch
operating
pressure
ON
→
OFF
3,138
±
196 kPa
(32
±
2 kg/cm
2
, 455
±
28 psi)
DIFF
588
±
196 kPa
(6
±
2 kg/cm
2
, 85
±
28 psi)
OFF
→
ON
2,550
±
196 kPa
(26
±
2 kg/cm
2
, 370
±
28 psi)
Thermo control amplifier
working temperature
(Evaporator outlet air)
(1) 1±0.5
°
C (34±0.9
°
F)
(2) 3±1.5
°
C (37±2.7
°
F)
(3) Repeat
AC-00459
( 1 )
( 2 )
( 3 )
OFF
ON
AC-5
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
GENERAL DESCRIPTION
3. A/C SYSTEM (6 CYLINDER)
• LHD Model
Item
Specifications
Type of air conditioner
Reheat air-mix type
Cooling capacity
5.2 kW
(4,471 kcal/h, 17,741 BTU/h)
Refrigerant
HFC-134a (CH
2
FCF
3
)
[0.65
±
0.05 kg (1.43
±
0.11 lb)]
Compressor
Type
5-vane rotary, fix volume (DKV-14G)
Discharge
140 cm
3
(8.54 cu in)/rev
Max. permissible speed
7,000 rpm
Magnet clutch
Type
Dry, single-disc type
Power consumption
38 W
Type of belt
V-Ribbed 6 PK
Pulley dia. (effective dia.)
125 mm (4.92 in)
Pulley ratio
1.064
Condenser
Type
Corrugated fin (Multi-flow)
Core face area
0.22 m
2
(2.37 sq ft)
Core thickness
21 mm (0.83 in)
Radiation area
6.52 m
2
(70 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)
235
×
224
×
60 mm
(9.25
×
8.82
×
2.36 in)
Blower fan
Fan type
Sirocco fan
Outer diameter
×
width
150
×
75 mm (5.91
×
2.95 in)
Power consumption
230 W at 12 V
Condenser fan (Sub fan)
Motor type
Magnet
Power consumption
120 W at 12 V
Fan outer diameter
320 mm (12.60 in)
Radiator fan (Main fan)
Motor type
Magnet
Power consumption
120 W at 12 V
Fan outer diameter
320 mm (12.60 in)
Idling speed (A/C ON)
MPFI model
850
±
100 rpm
Dual switch
(Pressure
switch)
Low-pressure
switch operat-
ing pressure
ON
→
OFF
177
±
25 kPa
(1.80
±
0.25 kg/cm
2
, 25.6
±
3.6 psi)
OFF
→
ON
216
+39
/
−
25
kPa
(2.2
+0.4
/
−
0.25
kg/cm
2
, 31
+5.7
/
−
3.6
psi)
High-pressure
switch operat-
ing pressure
ON
→
OFF
2,942
±
196 kPa
(30
±
2 kg/cm
2
, 427
±
28 psi)
DIFF
588
±
196 kPa
(6
±
2 kg/cm
2
, 85
±
28 psi)
Thermo control amplifier
working temperature
(Evaporator outlet air)
(1) 1.5±0.5
°
C (35±0.9
°
F)
(2) 3.0±0.3
°
C (37±0.5
°
F)
(3) Repeat
AC-00459
( 1 )
( 2 )
( 3 )
OFF
ON
AC-6
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
GENERAL DESCRIPTION
• RHD Model
Item
Specifications
Type of air conditioner
Reheat air-mix type
Cooling capacity
4.7 kW (4,041 kcal/h, 16,035 BTU/h)
Refrigerant
HFC-134a (CH
2
FCF
3
)
[0.45
±
0.05 kg (0.99
±
0.11 lb)]
Compressor
Type
Through vane type (TV-14C)
Discharge
142 cm
3
(8.66 cu in)/rev
Max. permissible speed
6,000 rpm
Magnet clutch
Type
Dry, single-disc type
Power consumption
40 W
Type of belt
V-Ribbed 6 PK
Pulley dia. (effective dia.)
120 mm (4.72 in)
Pulley ratio
1.11
Condenser
Type
Corrugated fin (Sub cool type)
Core face area
0.19 m
2
(2.04 sq ft)
Core thickness
16 mm (0.63 in)
Radiation area
4.786 m
2
(51.50 sq ft)
Receiver drier
Effective inner capacity
250 cm
3
(15.26 cu in)
Expansion valve
Type
Externally equalizing
Evaporator
Type
Multi tank
Dimensions (W
×
H
×
T)
214.4
×
195
×
58 mm
(8.44
×
7.68
×
2.28 in)
Blower fan
Fan type
Sirocco fan
Outer diameter
×
width
150
×
75 mm (5.91
×
2.95 in)
Power consumption
220 W at 12 V
Condenser fan (Sub fan)
Motor type
Magnet
Power consumption
120 W at 12 V
Fan outer diameter
320 mm (12.60 in)
Radiator fan (Main fan)
Motor type
Magnet
Power consumption
120 W at 12 V
Fan outer diameter
320 mm (12.60 in)
Idling speed (A/C ON)
MPFI model
850
±
100 rpm
Dual switch
(Pressure
switch)
Low-pressure
switch operat-
ing pressure
ON
→
OFF
196
±
20 kPa
(2.0
±
0.2 kg/cm
2
, 28.4
±
2.8 psi)
OFF
→
ON
226
±
29 kPa
(2.3
±
0.3 kg/cm
2
, 33
±
4 psi)
High-pressure
switch operat-
ing pressure
ON
→
OFF
3,138
±
196 kPa
(32
±
2 kg/cm
2
, 455
±
28 psi)
DIFF
588
±
196 kPa
(6
±
2 kg/cm
2
, 85
±
28 psi)
OFF
→
ON
2,550
±
196 kPa
(26
±
2 kg/cm
2
, 370
±
28 psi)
Thermo control amplifier working
temperature
(Evaporator outlet air)
(1) 1±0.5
°
C (34±0.9
°
F)
(2) 3±1.5
°
C (37±2.7
°
F)
(3) Repeat
AC-00459
( 1 )
( 2 )
( 3 )
OFF
ON
AC-7
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
GENERAL DESCRIPTION
B: COMPONENT
1. HEATER UNIT
• LHD Model
(1) Vent door actuator
(9) Mix door actuator
(With AUTO A/C model)
(16) Aspirator inlet
(With AUTO A/C model)
(2) Side link
(3) Vent lever
(10) Mix lever
(17) Foot door
(4) Case A
(11) Case D
(5) DEF door
(12) Mix door
Tightening torque: N·m (kgf-m, ft-lb)
(6) Vent door
(13) Case C
T: 7.35 (0.750, 5.421)
(7) Case B
(14) Heater core
(8) Foot duct
(15) Foot door lever
AC-00262
T
T
T
( 1 )
( 2 )
( 3 )
( 4 )
( 5 )
( 6 )
( 7 )
( 8 )
( 9 )
(10)
(11)
(12)
(13)
(14)
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