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SCW-410-QS (05/12)

Page 28

Figure 21. Charging and Superheat Adjustment Process

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Содержание SCW Series

Страница 1: ...ENTS PAGE Pre Installation 3 Placement Mechanical Information 5 System Application Options 12 Antifreeze Protection 13 Electrical and Sound Data 14 230 1 60 Internal Wiring 15 230 3 60 Internal Wiring...

Страница 2: ...lure 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 THE...

Страница 3: ...W Contained in each compressor package compressor unit four L shaped hold down brackets service valves liquid and vapor adapters for service valves and earth loop line set product literature 2 All ser...

Страница 4: ...SCW 410 QS 05 12 Page 4 Figure 2a General System Layout Figure 2b Typical SCW Compressor Unit Primary Circuit Plumbing...

Страница 5: ...ompressor unit may be located in garage basement crawl space or utility room Avoid placing compressor unit in kitchen bedroom family living dining room areas In a condensate pan On vibration pads Atti...

Страница 6: ...her than the earth loop manifolds Compressor unit may be located lower than the earth loop manifolds See Figure 2a For SCW compressor units providing radiant panel hydronic hot water or chilled water...

Страница 7: ...the compressor unit using the adapters to right size to the proper earth loop line set Installation of the service valves will provide isolation of the earth loop system from the compressor unit and p...

Страница 8: ...SCW 410 QS 05 12 Page 8...

Страница 9: ...SCW 410 QS 05 12 Page 9 Figure 5 SCW Connections for R 410A...

Страница 10: ...SCW 410 QS 05 12 Page 10 Figure 6 SCW Internal Flow Schematic...

Страница 11: ...SCW 410 QS 05 12 Page 11 Figure 7 SCW Piping...

Страница 12: ...SCW 410 QS 05 12 Page 12 System Application Options Figure 8 SCW Radiant Panel Hydronic Heating and Air Chilled Water Cooling...

Страница 13: ...t with the application specific minimum temperature as shown in the table below Propylene glycol antifreeze solutions should always be in the range of 20 to 50 by volume as indicated in the table TEMP...

Страница 14: ...e liquid concentration to assure that the correct mixture is obtained Electrical and Sound Data Compressor Model Voltage Phase Hz Voltage LRA RLA MCA MFS Sound Pressure Level 10 ft dB A Min Max 024 1C...

Страница 15: ...SCW 410 QS 05 12 Page 15 Figure 10 SCW Electrical Ladder Diagram 230 1 60...

Страница 16: ...SCW 410 QS 05 12 Page 16 Figure 11 SCW Electrical Schematic 230 1 60...

Страница 17: ...SCW 410 QS 05 12 Page 17 Figure 12 SCW Series 230 3 60 Electrical Ladder Diagram...

Страница 18: ...SCW 410 QS 05 12 Page 18 Figure 13 SCW Series 230 3 60 Electrical Schematic...

Страница 19: ...SCW 410 QS 05 12 Page 19 Figure 14 Part 1 of 2 SCW Field Wiring Diagram Reference Figure 8...

Страница 20: ...SCW 410 QS 05 12 Page 20 Figure 14 Part 2 of 2 SCW Field Wiring Diagram Reference Figure 9...

Страница 21: ...hey are sealed Check the Pressure gage after 15 minutes and verify the original pressure has not decreased Repair any leaks and re test as appropriate 3 After venting the pressurized system connect th...

Страница 22: ...tem pressure must not exceed 280 MICRONS WITHIN 5 MINUTES If pressure rises to greater than 280 microns open LP and HP valves crack the refrigerant valve and allow just enough refrigerant into the sys...

Страница 23: ...e refrigerant container valve and disconnect the refrigerant hose from the charging port Note and document the amount of refrigerant 11 The system has now been initially charged Disconnect the Digital...

Страница 24: ...ystem on in the COOL mode The charging process is detailed in the flow chart illustrated in Figure 21 When complete return to step 8 below 5 Initiate final charging by opening the refrigerant containe...

Страница 25: ...ed to provide 10 F to 20 F or less superheat while running in cooling mode The first step is to utilize the access port and LP gage in Figure 19 to measure suction pressure Next apply a thermocouple a...

Страница 26: ...re indicator read the suction temperature at the compressor suction port Read the suction pressure at the access port on the LP gage 11 Enter the Pressure Temperature Table in Figure 20 and for the su...

Страница 27: ...eat is greater than 20 F wait for the ground surrounding the earth loops to warm up The TXV valve is factory set at MINIMUM superheat and the TXV cannot be further adjusted to decrease the superheat u...

Страница 28: ...SCW 410 QS 05 12 Page 28 Figure 21 Charging and Superheat Adjustment Process...

Страница 29: ...or 6 Adding liquid refrigerant will raise the liquid level in the ACC Continue to add liquid refrigerant to the system until the liquid level has reached the middle sight glass as shown in Figure 22 7...

Страница 30: ...the Warranty Registration Card and inside the compressor unit on the electrical diagram for future reference This is the full system charge The system is now fully operational and needs no further ad...

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