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Summary of Contents for Danfoss HG7
- Page 1 HG88e Repair instruction electric motor Service guide AX450533577373en-000201...
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Page 2: Liability And Warranty
This symbol is used to indicate that parts with refrigeration oils (for oil types see compressor name plate) should be moistened prior to installing. • This symbol indicates the permitted tightening torque for the screw. 60 Nm 2 | AX450533577373en-000201 © Danfoss | Climate Solutions | 2023.07... -
Page 3: Important Prerequisites
Turn the main switch to „O“ (OFF). Secure the main switch against an unauthorised restart. WARNING The heavy weight of the compressor can be potentially dangerous. Use all the seals included in the kit. © Danfoss | Climate Solutions | 2023.07 AX450533577373en-000201 | 3... -
Page 4: Draining The Oil
Ensure that the compressor is depressurised before starting work. 3.1 Draining the oil NOTE Do not dispose of oil in domestic waste. Dispose of the old oil in accordance with the environmental regulations and observe national regulations 4 | AX450533577373en-000201 © Danfoss | Climate Solutions | 2023.07... - Page 5 The silicon bonded joint is dest- royed in the process! ¾ Remove the electrical lines from the underside of the terminal board. © Danfoss | Climate Solutions | 2023.07 AX450533577373en-000201 | 5...
- Page 6 ATTENTION! The residual oil flows out when the case cover is removed. Lay an absorbent material under the area and dispose of it in accordance with the environmental regulations. 6 | AX450533577373en-000201 © Danfoss | Climate Solutions | 2023.07...
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Page 7: Removing The Stator
Remove both stator screws (M8x10, M8x20). ¾ Carefully pull the stator out of the compressor housing and pay attention to the cable! ¾ Remove the feather key from the compressor housing. max. 75kg © Danfoss | Climate Solutions | 2023.07 AX450533577373en-000201 | 7... - Page 8 At the same time, carefully pull the cables upwards through the terminal board opening. ¾ Align the stator so that the feather key can be pushed in the the groove flush with the housing surface. max. 75kg 8 | AX450533577373en-000201 © Danfoss | Climate Solutions | 2023.07...
- Page 9 Align the stator such that the feather key can be pushed in the the groove on the motor housing flush with the stator. ¾ Fix the feather key and stator in this position using the new stator screws, as described on page 10. Motor housing Feather key Stator 13,5 mm max. 75kg © Danfoss | Climate Solutions | 2023.07 AX450533577373en-000201 | 9...
- Page 10 HG7/HGZ7 HG8/HG88e 10 Nm 10 Nm A - A C - C Threaded pin presses on feather key B - B Threaded pin presses on stator assembly 10 | AX450533577373en-000201 © Danfoss | Climate Solutions | 2023.07...
- Page 11 Carefully remove the residual silicone from the terminal board without damaging the sealing surface! 60 Nm 60 Nm ¾ Connect the electrical connections as per the illustration on page 12. © Danfoss | Climate Solutions | 2023.07 AX450533577373en-000201 | 11...
- Page 12 Make sure that you use the correct connection on the cable harnesses! NOTE The drawings show the underside of the terminal board. Terminal assignment on the terminal board HG7 and Terminal assignment on the terminal board HG8 and HGZ7 HG88e...
- Page 13 Assembly Assembling the housing cover Slightly oil the new O-ring. ¾ Install the case cover with the O-ring. Ensure the O-ring is correctly seated! 60 Nm © Danfoss | Climate Solutions | 2023.07 AX450533577373en-000201 | 13...
- Page 14 Carry out the additional work steps such as „filling the oil“ etc. as per the assembly instruction. See the assembly instruction, in particular the „Start-up“ chapter. HG7/HGZ7 HG8/HG88e 15 Nm 34 Nm 14 | AX450533577373en-000201 © Danfoss | Climate Solutions | 2023.07...
- Page 15 Service Dear customer, If you have any questions about installation,operation and accessories, please contact our technical service or your refrigerating system wholesaler or our representative. © Danfoss | Climate Solutions | 2023.07 AX450533577373en-000201 | 15...
- Page 16 16 | AX450533577373en-000201 © Danfoss | Climate Solutions | 2023.07...