Datsun C210 series Manual page 452

HEATER
DESCRIPTION
Outside
air drawn in
through
the
cowl
top grille
is
directed
through
the
air intake
box
to
the heater unit
by
the fan The heater unit includes
an
air
mix door
which control
the air tem
perature
and
a
ventilation
door
and
tloor door which
change
the distribu
tion of air
flow
The intake door inside
the intake box shut
out
the outside
air
when
the
heater
is
off
The heater controls
consisting
of
two
levers
and
one
knob
are
located
in the middle
portion
of the instru
ment
panel They
are
the AIR lever
which seleclS the
air outlet the TEMP
lever
which
control
the temperature
and the FAN switch knob which
regu
late airtlow
with the
fan
Heater
ducts
for
cear seat
occupants
are
standard
equipment
on
European
and Australian
models
Body
Electrical
System
To defroster Outside air
To
rear
heater duct
To center
venlUator
0
I
2
3
4
Intake
door
Blower
Heater duct
Heater
core
5 Floor door
6 Air mix door
1
Vent
door
BE088C
Fig
BE 116 Heater Unit
Sy
tem
I Side window nozzle
2 Defroster nozzle
3
Outlet hose
4 Inlet
hose
5 Heatcr
control
assembly
6 Defroster
duct
7 Resistor
8 Heater unit
9 Rear
heater
duct
10
Water cock
II Heater duct
12 Blower aS5emb1y
BE636C
Fig BE 117 Heater Construction
BE 52