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Model DSH-1872 Desuperheater Kit
DSH KIT (04/13)
EarthLinked
SC and CC Compressor Units
CONTENTS
Desuperheater Kit Information
Desuperheater Mechanical Installation
Desuperheater Electrical Installation
System Start-Up
®
for
Copyright 2013 Earthlinked Technologies, Inc.
PAGE
3
9
17
20
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Summary of Contents for EarthLinked DSH-1872
- Page 1 ® EarthLinked Model DSH-1872 Desuperheater Kit SC and CC Compressor Units CONTENTS PAGE Desuperheater Kit Information Desuperheater Mechanical Installation Desuperheater Electrical Installation System Start-Up DSH KIT (04/13) Copyright 2013 Earthlinked Technologies, Inc.
- Page 2 Disclaimer ® Proper installation and servicing of this EarthLinked Kit is essential to the Heating and Cooling ® Systems reliable performance. All EarthLinked systems and kits must be installed and serviced by an authorized, trained technician who has successfully completed the training class and passed the final examination.
- Page 3 Desuperheater Kit Information For SC Compressor Units: The field installed ETI Desuperheater Kit Model DSH-1872 equips the SC Series Compressor Unit with supplemental water heating capability during (1) heating and cooling mode operation or (2) cooling mode operation for the ETI Heating and Cooling System.
- Page 4 Field wiring for the DSH-1872 Kit applied to the SC Compressor Unit is illustrated in Figure 3a for water heating during (1) heating and cooling system operation and (2) cooling system operation only. Field wiring DSH-1872 Kit applied to the CC Compressor Unit is illustrated in Figure 3b for water heating during cooling system operation.
- Page 5 Figure 2. Desuperheater installed with GSTE Storage Water Heater. DSH KIT (04/13) Page 5...
- Page 6 Figure 3a. SC Field Wiring for Desuperheater Kit DSH KIT (04/13) Page 6...
- Page 7 Figure 3b. CC Compressor Unit Field Wiring DSH KIT (04/13) Page 7...
- Page 8 Heat Exchanger The Model DSH-1872 Desuperheater contains a corrosion resistant all-copper double wall heat exchanger of counterflow twin tube design. The heat exchanger is continuously vented along its entire length and meets IAPMO safety requirements and exceeds applicable UL requirements.
- Page 9 Desuperheater Mechanical Installation Before initiating mechanical or electrical installation of the Desuperheater, read, understand and execute the following: When brazing copper tubing, always utilize the nitrogen brazing process as described here: DSH KIT (04/13) Page 9...
- Page 10 Two refrigerant lines must be run from inside the compressor unit cabinet to the Desuperheater. The available holes (marked “plugged”) in the cabinet for the SC compressor units are shown in Figure 4. For the CC compressor unit, shown in Figure 5, two additional holes of at least 1” diameter are to be field drilled in the plumbed panel of the cabinet to accommodate the interconnecting refrigerant tubing.
- Page 11 Figure 4. SC Cabinet Dimensions and Connections DSH KIT (04/13) Page 11...
- Page 12 Figure 5. CC Cabinet Dimensions and Connections DSH KIT (04/13) Page 12...
- Page 13 Figure 6. SC Internal Flow Schematic with Desuperheater DSH KIT (04/13) Page 13...
- Page 14 Figure 7. SC Piping with Desuperheater DSH KIT (04/13) Page 14...
- Page 15 Figure 8. CC Internal Flow Schematic with Desuperheater DSH KIT (04/13) Page 15...
- Page 16 Figure 9. CC Piping with Desuperheater DSH KIT (04/13) Page 16...
- Page 17 Yes- 8 Yes- 5 2 Block Term. Strip Pink Wire Gray Wire 3 Block Term. Strip DPDT Relay Red Wire Black Wire Blue Wire Yellow/Green Wire Yellow/Blue Wire Red/White Wire Figure 10. DSH-1872 Kit Electrical Components DSH KIT (04/13) Page 17...
- Page 18 SC Compressor Unit Figure 11. SC Compressor Unit Field Wiring ® 1. Turn “OFF” all electrical power to the EarthLinked system. 2. Install fuse holders, fuses, three pole terminal strip, two pole terminal strip and water. heater relay in electrical box with fasteners, as shown in Figure 11.
- Page 19 CC Compressor Unit Figure 12. CC Compressor Unit Field Wiring ® 1. Turn “OFF” all electrical power to the EarthLinked system. 2. Drill holes in electrical box as necessary to install fuse holders and terminal strips as shown in Figure 12.
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Page 20: System Start-Up
SYSTEM START-UP 1. Braze and check all field-made refrigerant joints for leaks and repair as necessary. See ® the EarthLinked Heating and Cooling System Installation, Operation and Maintenance Manual, or the appropriate SC Quik-Start Manual or CC Quik-Start Manual for the proper procedure.
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