EQIPMENT COOLING

I)CONTINOUS COOLING (AVIONICS VENT SYST)

Blower exahust AMBIENT AMB.

INLET VLV. OUTLET VLV.

II)CONTROLLED COOLING(GCU)

Blower fan Extract OVBD

Skin air Skin air inlet vlv outlet vlv.

GRD COOL GRD COOLInlet vlv Outllet vlv Blower OVBD

AVIONICS Compt.

CONTROLLER

AVIONICS Compt.

GCUGCU

GCU Controller

Ctl Panel

GROUND COOL UNIT

Ram air

Amb.

condenser evaporator

Liquid receiver

Exp vlv

compressor

freon

Ram airCooled air