Peterbilt 348 2017 - Page 133

HEATINGANDAIRCONDITIONING
TurntheAirFlowControlDial
toDashVents.
Iftheoutsideairisnotcold
enoughtocoolthecab,pressto
engagethecompressorwhich
willdelivercolderair.
Formorecoolingeffect,you
mayneedtopresstheswitch
backtorecirculationmode.
ToHeat
TurntheFanControlDialONto
thedesiredfanspeed.
TurntheAirFlowControlDial
toFloorVents.
AdjusttheTemperatureControlDial
clockwiseuntiltheairtemperature
feelscomfortable.
Usingthisfunctionin"manual"mode
willprovidethemaximumheating
performance.
ToDehumidify
PushtheFreshAir/Recirculate
SwitchtotheFreshAirmode
(Blueindicatorlightoff).
TurnONtheAirConditioning
Switch(Blueindicatorlighton).
TurnONtheFanControlDialto
thedesiredfanspeed.
AdjusttheT emperatureControl
Dialuntiltheairtemperaturefeels
comfortable.
Theairconditionerremovesmoisture
fromtheairwhiletheheaterheatsthe
air.
ToDefogandDefrosttheWindshield
TurntheFanControlDial
clockwisetothehighestfan
speed.
TurntheAirFlowControlDialto
DefrostVents.
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