Emerson manual Second Operating Cycle AE4-1395, Compressor Capacity Graph Discharge Thermistors

Page 15

Application Engineering

 

 

 

B U L L E

T

I

N

15 Second Operating Cycle

AE4-1395

 

100%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Load)

90%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

80%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of Full

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

70%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Percent

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Capacity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Solenoid On-Time (Seconds)

Figure 6

Compressor Capacity Graph

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

Figure 7

Discharge Thermistors

15

Image 15
Contents Introduction SafetyAssembly Line Procedures Service ProceduresSafety Icon Explanation Safety InstructionsBurn Hazard Safety StatementsElectrical Shock Hazard Pressurized System HazardApplication Considerations 410A 22 & R-407CNomenclature Digital Compressor Operation How it WorksPiping Sound CharacteristicsSolenoid Valve and Coil Pressure FluctuationsOil Type and Oil Removal Scroll Temperature ProtectionPower Factor Crankcase HeatersDigital Compressor Retrofit Applications Modulation ControlApplication Tests Oil Level VerificationCompressor Selection & Change-Out Retrofit Applications To AvoidPerformance Modeling System ModificationsAssembly Line Procedures To 15 Ton Modulation Valve Replacement Procedure Service ProceduresModulation Troubleshooting To 7.5 Ton Modulation Valve Replacement ProcedureForm No Copeland Scroll Compressor Functional Check50% Loaded 80% Loaded To 15 Ton Digital Scroll Cross Sectional View ZPD34-54K5 22, R-407C, R-410A Operating EnvelopeCompressor Capacity Graph Discharge Thermistors Second Operating Cycle AE4-1395To 7.5 Ton Tandem Yes Refrigerant Charge Limits Model Pounds PartFoot-Pounds Inch-Pounds TBD