Vintage Air 1973-80 CHEV PICK-UP, Manual

Page: 22 / 27

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904184 REV A 6/17/11, INST 73-80 CHEV P-UP w/ AC EVAP KIT PG 22 OF 27
BLOWER SPEED
ADJUST TO DESIRED
SPEED
TEMPERATURE LEVER
SLIDE THE TEMPERATURE
LEVER ALL THE WAY LEFT
TO THE HOT POSITION.
(SLIDE LEVER LEFT OR RIGHT
TO DESIRED TEMPERATURE)
SLIDE THE LEVER TO
THE CENTER POSITION
MODE LEVER
BLOWER SPEED
ADJUST TO DESIRED
SPEED
SLIDE THE LEVER TO
THE LEFT POSITION
MODE LEVER
TEMPERATURE LEVER
ADJUST TO DESIRED
SPEED
BLOWER SPEED
SLIDE THE LEVER TO
THE RIGHT POSITION
MODE LEVER
DEFROST/ DE-FOG MODE
HEAT MODE
AC MODE
MODE
LEVER
OPERATION OF CONTROLS
ADJUST LEVER TO
DESIRED TEMPERATURE.
(COMPRESSOR IS
AUTOMATICALLY
ENGAGED)
TEMPERATURE LEVER
IN A/C MODE SLIDE THE
TEMPERATURE LEVER ALL
THE WAY TO THE RIGHT
TO ENGAGE COMPRESSOR.
(SLIDE LEVER LEFT OR RIGHT
TO ADJUST DESIRED
TEMPERATURE)
COLD HOT
A/C
DASH FLR DEF
OFF HI BLOWER
SPEED
TEMPERATURE
LEVER
COLD HOT
A/C
DASH FLR DEF
OFF HI
COLD HOT
A/C
DASH FLR DEF
OFF HI
NOTE: WHEN BATTERY POWER IS FIRST CONNECTED TO THE ECU, THE MICRO PROCESSOR GOES THROUGH AN INITIALIZATION
SEQUENCE.THIS INITIALIZATION MAY TAKE UP TO 30 SECONDS. DURING INITIALIZATION THE BLOWER WILL NOT OPERATE,
BUT THE DOORS INSIDE THE UNIT WILL BE OPERATING. A LOW BATTERY OR DISCONNECTING THE BATTERY MAY ALSO
TRIGGER A RE-INITIALIZATION. DURING START UP, A LOW BATTERY MAY DROP BELOW 7 VOLTS, TRIGGERING
RE-INITIALIZATION.