Buick LeSabre 1965 Service Manual page 792

-WHEN CLIMATE LEVER IN "REC'SVACUUM APPLIED
#2 PORT OF OUTSIDE-REC DIAPHRAGM
-WHEN CLIMATE LEVER IN "NORM",VACUUM APPLIED
#1 &#2 PORTS OF OUTSIDE-REC DIAPHRAGM
-WHEN CLIMATE LEVER IN "REC" OR "NORM,'\LOW-
LOW BLOWER SPEED PROVIDED
VACUUM TO WATER VALVE
DIAPHRAGM AND VENTING
SUCTION THROTTLE
DIAPHRAGM
z
INCREASES BLOWER SPEEDS
TO LOW, MEDIUM OR HIGH
— CLIMATE CONTROL LEVER
CLUTCH CONTROL SWITCH CLOSED & VACUUM TO
-#2 PORT OF OUTSIDE - RECIRCULATED DIAPHRAGM
CLUTCH CONTROL SWITCH CLOSED & VACUUM TO
#1 AND#2 OF OUTSIDE-RECIRCULATED DIAPHRAGM
CLUTCH CONTROL SWITCH OPEN &
VACUUM TO #1 AND#2 PORT OF
OUTSIDE-RECIRCULATED
DIAPHRAGM
>
n
n
m
rr~\ rri r'fi [V]
|
\ \ \
fc rffn
HI
WARMER
REC NORM
o
A/C
o
VENT / H I R
- / i —
L __ —
J. J
^ * -
±—\ L
DEFROST
•VACUUM TO SUCTION THROTTLE VALVE
DIAPHRAGM AND VENTING WATER VALVE
DIAPHRAGM
CLUTCH CONTROL SWITCH OPEN AND VACUUM
TO#1 AND#2 PORTS OF OUTSIDE-RECIRCULATED
DIAPHRAGM AND ALSO HEATER-AIR CONDITIONER
DIAPHRAGM
o
o
n
O
o
AIR IS DIRECTED TO DEFROSTER OUTLETS
PROPORTIONATE WITH MOVEMENT OF LEVER
TO RIGHT (CLIMATE CONTROL SWITCH MUST
BE IN "HTR" POSITION)
TEMPERATURE DOOR IS OPENED PROPORTIONATE
WITH MOVEMENT OF LEVER TO RIGHT. AIR
TEMPERATURE WILL BE INCREASED PROPORTIONATE
WITH TRAVEL.
t o
Ul
Figure 11—73— Sequence of Operation of Air Conditioning Control Assembly