Emerson AE4-1395 manual To 7.5 Ton Tandem

Page 16

Application Engineering
B U L L E	T	I	N	AE4-1395

Arrow on valve

Must point to suction

Figure 8

3 to 7.5 Ton Modulation Valve Piping

Solenoid Valve

Discharge Manifold

Assembly

Suction

Manifold

Assembly

Figure 9

3 To 7.5 Ton Tandem

© 2012 Emerson Climate Technologies, Inc.	16
Printed in the U.S.A.

Suction Gas

Equalization

Manifold

Oil Equalization Line

Image 16

Contents Safety Assembly Line ProceduresService Procedures IntroductionSafety Instructions Safety Icon ExplanationSafety Statements Electrical Shock HazardPressurized System Hazard Burn Hazard410A 22 & R-407C Nomenclature Digital Compressor OperationHow it Works Application ConsiderationsSound Characteristics Solenoid Valve and CoilPressure Fluctuations PipingScroll Temperature Protection Power FactorCrankcase Heaters Oil Type and Oil RemovalModulation Control Application TestsOil Level Verification Digital Compressor Retrofit ApplicationsRetrofit Applications To Avoid Performance ModelingSystem Modifications Compressor Selection & Change-OutAssembly Line Procedures Service Procedures Modulation TroubleshootingTo 7.5 Ton Modulation Valve Replacement Procedure To 15 Ton Modulation Valve Replacement ProcedureCopeland Scroll Compressor Functional Check Form No50% Loaded 80% Loaded To 15 Ton Digital Scroll Cross Sectional View 22, R-407C, R-410A Operating Envelope ZPD34-54K5Second Operating Cycle AE4-1395 Compressor Capacity Graph Discharge ThermistorsTo 7.5 Ton Tandem Yes Part Refrigerant Charge Limits Model PoundsFoot-Pounds Inch-Pounds TBD