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)