Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 534
1A–4
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
640R200001
Legend
(1) Side Defroster Hose
(2) Vent Box
(3) Upper Center Vent Box
(4) Lower Center Vent Box
(5) Blower Assembly
(6) Control Lever Assembly
(7) Evaporator Assembly
(8) Duct
(9) Heater Unit
(10) Rear Heater Duct
(11) Lap Vent Nozzle
(12) Vent Box
(13) Side Defroster Hose
(14) Defroster Nozzle
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A–5
Control Lever Assembly
The vehicle has cable-type-control to control the mode
and temperature of the heater unit and the mode door for
the air source of the blower assembly.
The fan control is used to control the amount of air sent
out by the resistor at four levels from “LOW” to “HIGH”.
865RW007
Legend
(1) Air Source Select Lever
(2) Air Select Knob
(3) Fan Control Knob (Fan Switch)
(4) Air Conditioning (A/C) Switch (W/ A/C)
(5) Temperature Control Knob
1A–6
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Ventilation
Set “AIR SOURCE SELECT LEVER” to “FRESH”
position and turn on the blower fan. Heating can be done
in this lever position, sending in fresh air from outside.
The blower fan also serves to deliver fresh outside air to
the vehicle interior to assure adequate ventilation.
C01RS001
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A–7
Air Select Knob
The air select knob allows you to direct heated air into the
passenger compartment through different outlets.
1. Vent – In this position, air is discharged from the
upper air outlet. Air quantity is controlled by the fan
control knob.
2. Bi-Level – In this position, air flow is divided between
the upper air outlets and the floor air outlets, with
warmer air delivered to the floor outlets than the air
delivered to the upper air outlets.
3. Foot – In this position, air flow is delivered to the foot
while sending approx 30% op total amount air to the
wind shield.
4. Def/Foot – In this position, air flow is delivered to the
foot, while sending approx. 40% of total amount of air
to the windshield.
Selecting this mode allows air conditioning system to
work when the fan switch is turned to on position,
even if the A/C switch is off.
5. Defrost – In this position, most of the air is delivered
to the windshield and a small amount is delivered to
the side windows.
Moving the air source select lever to the “CIRC” position
provides quickest heat delivery by closing the blower
assembly mode door. In this position, outside air is not
delivered to the passenger compartment.
Selecting this mode allows air conditioning system to
work when the fan switch is turned to on position, even if
the A/C switch is off.
C01RW001
Air Source Select Lever
The intake of outside air and the circulation of inside air
are controlled by sliding this lever left or right.
Fan Control Knob
This knob controls the blower motor speed to regulate the
amount of air delivered to the defrost, foot, and ventilation
ducts:
1. Low
2. Medium Low
3. Medium High
4. High
Temperature Control Knob
When the temperature control knob is in the “COLD”
position, the air mix door closes to block the air flow to the
heater core.
When the temperature control knob is in the “HOT”
position, the air mix door opens to allow air to pass
through the heater core and heat the passenger
compartment
Placing the knob in a intermediate position will cause a
lesser or greater amount air to reach the heater core. In
this mode the passenger compartment temperature can
be regulated
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