Temperature Knob; To Operate Front Air Conditioning Unit - Chevrolet CHEVY VAN G10 SERIES Service Manual

A IR C O N D IT IO N IN G 1A-10
Fig. 17—C -62 and C -63 Control Panel
A self-contained u n it, the factory installed C-62 or C-63
System op erates on recirculated air only. R ecirculated inside
air is draw n in to the u nit, passed through the evaporator core
and in to th e vehicle through the adjustable outlets in the
ducts.
EVAPORATOR
INLET HOSE
OUTLET HOSE
C-62
Fig. 18—C-62 Refrigerant Hose Routing.
CONTROLS (Fig. 17)
The controls for the C-62 system consist o f a tem p eratu re
knob and a blow er speed lever. The controls for the C-62 &
C-63 system are the same as C-62 except for a separate blow er
speed lever for the rear (C-63) unit.

Temperature Knob

This k n o b may be regulated to control the degree o f
cooling desired. Fully clockwise at CITY provides m axim um
cooling; how ever, turning the knob to HIWAY provides
adequate cooling for highw ay operation.
B oth u nits use a therm ostatic switch Instead o f an evapor­
ato r control valve (POA) to control the o u tlet air tem perature.
N O T E : Reduced cooling
evaporator could be encountered when operating at
highway speeds w ith the controls at the " C IT Y "
setting.

To Operate Front Air Conditioning Unit:

T urn tem perature control knob to " HIWAY" or "C ITY "
EVAPORATOR
HOSE
EVAPORATOR
INLET HOSE
" TEE" C O N N E C T IO N S
AT C -6 2 LINES
C-62 AND C-63
and freezing of the
EVAPORATOR
DR AIN HOSE
VIEW A
C H E V Y V A N S H O P M A N U A L