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SHC-410-CP (01/13)

Copyright 2013 Earthlinked Technologies, Inc.

EarthLinked

®

CHARGING PROCESS

for

R-410A

Heating and Cooling Systems

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2
3
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Summary of Contents for SHC-410-CP

Page 1: ...SHC 410 CP 01 13 Copyright 2013 Earthlinked Technologies Inc EarthLinked CHARGING PROCESS for R 410A Heating and Cooling Systems...

Page 2: ...Failure to provide installation and service by an authorized trained installer in a manner consistent with the subject manuals will void and nullify the limited warranty coverage for the system READ T...

Page 3: ...essor unit while preparing refrigerant connections trickle dry nitrogen through the compressor unit entering at the access port nearest Active Charge Control ACC to keep airborne moisture out of the c...

Page 4: ...CFM capacity to the Gage Block 5 Connect the Refrigerant Hose from the Refrigerant Container to the Charging Port 6 Initiate the system evacuation Evacuate the system down to 230 MICRONS as read on th...

Page 5: ...Gage from the liquid Earth Loop Service Valve until the initial refrigerant charge is complete 8 Open the refrigerant container valve and inject liquid refrigerant into the charging port as shown in F...

Page 6: ...ic hot water by field installed desuperheater 3 SD Yes Yes Yes 1 Air heating and cooling domestic hot water by desuperheater 1 Includes Desuperheater Model DSH 1872 to supplement water heating Figure...

Page 7: ...SHC 410 CP 01 13 Page 7 Figure 4 Primary Circuit with Hydronic Water Module HWM Figure 5 Primary Circuit with Compressor Unit Heat Exchanger...

Page 8: ...level is at the middle sight glass as shown in Figure 7 turn the refrigerant container valve OFF 7 When the system has run for 20 minutes in HEAT mode read the evaporating temperature and condensing t...

Page 9: ...p for SC SD and SCW Compressor Units SC Model shown 8 Check the suction saturation temperature to verify that it is within 3 F for the measured suction pressure The suction temperature should be appro...

Page 10: ...SHC 410 CP 01 13 Page 10 Figure 7 Charge at Middle Sight Glass Figure 8 EarthLinked Performance Parameters...

Page 11: ...n the ACC See Figure 9 Document the total weight of the refrigerant charge to the system Figure 9 Charge at Top Sight Glass 11 The following additional steps in the system start up process are require...

Page 12: ...all ETI Technical services at 1 863 701 0096 2 When the liquid refrigerant level drops below the ACC lowest sight glass observe the INLINE sight glass not the ACC sight glasses for the status of the r...

Page 13: ...eds no further adjustment Go to item 9 Figure 12 Few Bubbles Inline Sight Glass 3 The TXV is to be adjusted to provide 10 F to 15 F superheat while running in cooling mode The first step is to utilize...

Page 14: ...168 2 150 610 6 65 183 2 Figure 14 Pressure Temperature for R 410A 6 To determine the degrees of Superheat subtract the saturation temperature from the suction temperature read at the compressor sucti...

Page 15: ...SHC 410 CP 01 13 Page 15 Figure 15 Cooling Mode Start Up Process NOTE TXV ADJUSTMENT DOES NOT APPLY TO SCW SERIES COMPRESSOR UNITS...

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