Air Conditioning Description; Outline Of Air Conditioner - Datsun 620 Series 1977 Service Manual

Datsun pick-up 620 series 1977 service manual
Table of Contents

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OUTLINE
OF
AIR
CONDITIONER
REFRIGERATION
SYSTEM
CONDENSER
COMPRESSOR
RECEIVER DRYER
COOLING
UNIT
ELECTRICAL CIRCUIT
OUTLINE OF AIR
CONDITIONER
The
air
conditioner
consists
es
sentially
of
a
cooling
unit compressor
condenser
receiver
dryer
and
piping
The
cooling
unit
secured
with
three
brackets
is
a
ttached
to
the
location
occupied by
the
package tray
in
the
dash
panel
The
cooled
air
from
the
duct
is
directed
into the
passenger
compart
Air
Conditioning
DESCRIPTION
CONTENTS
AC 2
AC3
AC 3
AC3
AC4
AC4
AC 5
DESCRIPTION
MAIN
RELAY
FAN
SWITCH
THERMO
SWITCH
PRESSURE
SWITCH
COMPRESSOR
RELAY
F I C D
SOLENOID
VALVE
AC 5
AC
7
AC 7
AC 7
AC 7
AC 7
AC 7
ment
through
the three
outlets
at
the
instrument
panel
The compressor
serves
to compress
the
vaporized refrigerant
and is attach
ed
through
the bracket
to
the loca
tion
occupied by
the
mechanical fuel
pump
on
the
engine
The condenser cools the
compres
sed
refrigerant
vapor sent
by
the
com
pressor
and
is
located
on
the front of
the
radiator
in
the
engine
compart
ment
The
receiver
dryer
serving
as
a
reservoir
for storage
of the
liquid
sent
by
the
condenser
is
located
on
the
right
in the
engine
compartment
The
piping
consists of two
flexible
hoses and five
copper
tubes which
connect various
components
of the air
conditioning
system
I
Cooling
unit
2
Expansion
valve
3
Receiver
dryer
4
Comressor
5
Condenser
6
Duct
@
Flexible hose
@
Copper
tube
AC 2
AC724
Fig
AC
1
Cooling system

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