heater ISUZU TF SERIES 2004 Repair Manual

HEATER AND AIR CONDITIONING 1-7
WIRING DIAGRAM (4JA1-T(L) WITH A/C)



RTW48AXF003601

1-8 HEATER AND AIR CONDITIONING
(4JA1-T(L) WITH COOLER)



RTW48AXF005601

HEATER AND AIR CONDITIONING 1-9
(4JA1-TC / 4JH1-TC WITH A/C)



RTW48AXF003501

1-10 HEATER AND AIR CONDITIONING
(4JA1-TC / 4JH1-TC WITH COOLER)



RTW48AXF005801

HEATER AND AIR CONDITIONING 1-11
(6VE1)


RTW48AXF029401

1-12 HEATER AND AIR CONDITIONING
(C24SE WITH A/C)


RTW48AXF029401

HEATER AND AIR CONDITIONING 1-13
(C24SE WITH COOLER)


RTW48AXF005701

1-14 HEATER AND AIR CONDITIONING
VENTILATION


This illustration is based on RHD model
840R300008 & RTW410MF000301

HEATER AND AIR CONDITIONING 1-15
MAIN DATA AND SPECIFICATIONS

AIR COMPRESSOR

Model CR-14
Type 5 Vane rotary type
Displacement cm3 (lmp fl oz) 144 (4.03)
Oil type DH-PR
Oil capacity cm3 (lmp fl oz) 180 (5.04)
Magnetic clutch Type: Dry single disc dia. 109 mm (4.3 in.)

HEATING UNIT (VENT UNIT)

Type Rehead air mix
Core dimension mm (in.) (L

H

W) 180 (7.06)

182.3 (7.18)

27 (1.06)
Capacity (kcal./hr.) 4200

BLOWER UNIT

Type Sirocco fan type

COOLING UNIT

Type Fin and tube evaporator
Evaporator element dimensions mm (in.) (L

H

W) 230 (9.06)

212 (8.35)

74 (2.91)
Evaporator capacity (kcal./hr.) 2960/4420 kcal./hr. (300/500 m3/hr.)
* Expansion Valve type
External pressure equalizer type
* Thermo Switch type (Cooler)
Variable electronic thermostat

Maximum Cool position (
C)
OFF 3
0.5
DIFF 1.5
0.5

Minimum Cool position (
C)
OFF 11.6 2
DIFF 2.9 2
* Thermo Switch type (A/C) (
C)
Fixed electronic thermostat
OFF 3
0.5
DIFF 1.5
0.5
* Trinary Pressure Switch
Low pressure control and High pressure control are same
as Dual pressure switch
* Medium pressure control
OFF 1128  118 kpa (11.5  1.2 kg/cm
2G)
ON 1521  88 kpa (15.5  0.92 kg/cm2G)
CONDENSER
Type Aluminum louvered fins
Capacity (kcal./hr.) 12300 kcal./hr.

ELECTRIC FAN

Fan Dia
250
Motor Power (w) 90

1-16 HEATER AND AIR CONDITIONING
RECEIVER/DRIER

Capacity cc (cu in) 250 (15.3 cu in)
Assembly includes sight glass
and pressure sensitive device
(Dual pressure switch)
*Low pressure control
OFF: 18
3 (1.8
0.25kg/cm
2 G)
ON: 193 (1.90.3kg/cm2 G)
*High pressure control
OFF: 275
20N
m (28
0.2kg/cm
2 G)
ON: 59
20N
m (6
2kg/cm2 G)

REFRIGERANT
Type: HFC-134a Capacity: 0.65 kg (1.43 lbs.)

IDLE SPEED-UP CONTROL
Idle speed controlled by solenoid switch