Test Specifications

(Refrigerant Charge = 3 Lbs. - 12 Oz.)

Temperature of Air Entering Condenser

70°

80°

90°

100°

110°

120°

Engine rpm

2000

Compressor Head Pressure

120-130

135-145

160-170

190-200

220-230

250-260

Evaporator Pressure @ POA

29.5 - 30.5 psi ⁽¹⁾

Discharge Air Temp. @ Right Hand Outlet

34-39

35-40

36-41

38-43

39-44

41-46

⁽¹⁾	This specification does not change with altitude; however, at elevations above sea level, gauges will tend to read higher by 1/2 psi per 1, 000 ft. (from 29.5 psi at sea level to 34.5 psi at 10, 000 ft.).

Fig 1: Chevrolet Amplifier Wiring Diagram (Schematic)

Courtesy of GENERAL MOTORS COMPANY