Peterbilt 367 2017 - Page 149

HEATINGANDAIRCONDITIONING
FreshAir/RecirculationSwitch
Thisswitchcontrolsthesource
oftheairowingintotheheater
andairconditionerunit
Recirculatedairmayreducetheamount
oftimeneededtocooldowntheinteriorof
thevehicle(whenusedwithA/C)andmay
alsohelpreduceundesiredoutsideodors
fromreachingtheinteriorofthevehicle.
Thisbuttoncanbeengagedmanuallyin
anynon-defrostmodes.
NOTE
Youmaynoticechangesinsoundbe-
tweenrecirculatedmodeandotherair-
owmodes.
SleeperOverrideSwitch(forvehicles
withasleeper)
Pressthisbuttoniftheuser
wantstocontroltheon/off
functionofthesleeperheating
andairconditioningunit.
Usingthisbuttondoesnotallowthis
controlunittocontrolsleeperblower
speedorsleepertemperature.Itonlyturns
thesleeperheatingandairconditioning
unitonoroff.
TipsforEfcientCooling
Anairconditionercanreducefogbuild
uponthewindshieldbysettingittothe
defrostortheoor/defrostairselection.
Toincreasetheeffectivenessofthe
airconditioner,usetheA/Cbutton
intheONposition,increasetheair
temperaturesettingand/orincrease
thefanspeed.
Ifthecabinbecomeshumidordamp,
usetheairconditionerwiththefan
on,withfreshair(notinrecirculateair
mode)andtheA/CintheONposition
todrythecabinair.
Insituationswheremorecoolingof
thecabisrequired,makesurethe
systemisintherecirculationmode.
Thissettingwillbemoreeffectivethan
usingfreshair.
(03/17)Y53-6076-1B13-77
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