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DVM PLUS III INSTALLATION (Preliminary)

DVM PLUS III INSTALLATION (Preliminary). DVM PLUS III line up. Space requirements. 1) Single installation. 2) Group installation. Installing outdoor unit. Anchor bolt position. Remove stopper. ■ Remove stopper √ 10 Ton : 4 pieces of stopper in legs of compressor

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DVM PLUS III INSTALLATION (Preliminary)

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  1. DVM PLUS III INSTALLATION (Preliminary)

  2. DVM PLUS III line up

  3. Space requirements 1) Single installation 2) Group installation

  4. Installing outdoor unit

  5. Anchor bolt position

  6. Remove stopper ■ Remove stopper √ 10 Ton : 4 pieces of stopper in legs of compressor The stopper is just using only for transportation, not operation

  7. Piping layouts (HP) ■ Y joint only ■ Y joint with Header joint

  8. EEV Kit

  9. Piping length (HP) Y joint Main pipe 1st Refnet Joint

  10. Piping length (HP)

  11. Piping length (HP)

  12. Main pipe 1 size increasing Examples Example) 34 HP • With 1 bigger size, it can increase cooling capacity by 16.8 %.

  13. Selection the refrigerant pipe 1. 명기된 사양은 개발진행에 따라 변경 될 수 있습니다. 2. 배관은 미주 지역에서 구입 가능한 배관으로 선정되어 있습니다. 현지에서 구매가 불가능한 배관을 제외(1, 1 ¼, 1 ½ )하였기에, 배관 선정 사양이 기존의 DVM PLUS 2 대비 해서, 변경될 소지가 있으니 참고 하시길 바랍니다. (위에 말씀 드린 것처럼 첨부된 문서의 설치 사양은 변경될 소지가 있습니다.)

  14. ■ Definitions A1 Outdoor unit Branched pipes from outdoor joints to outdoor Branched pipes between outdoor joints A2 Main Pipes A3 Branched pipes between branch joints B C Pipes to indoor units Outdoor joints D Branch joints (Indoor joints) E, F

  15. ■ Step 1 – Select pipes to outdoor units from ‘outdoor joints’ A1 ■ Step 2 – Select pipes between outdoor joints A2

  16. ■ Step 3 – Select “Main” pipes A3

  17. ■ Step 3 – Upsizing “Main” pipes, When? Outdoor unit A3 The farthest indoor unit If the piping length between outdoor to the farthest indoor unit is over 90m (295ft), use right table. A3

  18. ■ Step 4 – Select ‘Outdoor joints’ D ■ Step 5 – Select the first ‘Branch joints’ E

  19. ■ Step 5 – Example RVXVHT125FE RVXVHT100FE RVXVHT125FE Liquid : 1/2 Gas : 1 1/8 Liquid : 1/2 Gas : 1 1/8 (A1) (A1) Liquid : 5/8 Gas : 1 1/8 Liquid : 3/8 Gas : 7/8 (A2) (A1) A2 capacity = A1 capacity + A1 capacity Example) A1 : 7.5 HP → Liquid : 3/8”, Gas : 3/4” A1 : 7.5 HP → Liquid : 3/8”, Gas : 3/4” A2 : 15.0 HP → Liquid : 1/2”, Gas : 1 1/8”

  20. ■ Step 6 – Select branched pipes between ‘branch joints’ B ■ Step 7 – Select ‘Branch joints’ F

  21. ■ Step 8 – Select pipes to indoor units

  22. Additional refrigerant √ Additional refrigerant has to be charged according to the length and size of liquid pipe.

  23. Outdoor joint (HP, HR) Ex) MXJ-T3819*, MXJ-T4422 - Liquid connection - Gas connection

  24. Outdoor joint (HR Only) Ex) MXJ-T3100* - High pressure gas connection

  25. Y- joint (HP, HR) Ex) MXJ-YA1509

  26. Y- joint (HR Only) Ex) MXJ-YA1500 ~ MXJ-YA3800

  27. Header- joint (HP only) Ex) MXJ-HA2512

  28. Outdoor units piping  ■ Refrigerant piping should be the same level or lower than connecting position. Accumulating of oil

  29. Outdoor units piping  ■ Refrigerant piping should be connected with side direction. Unbalancing of Ref. & oil distribution Refrigerant can excessively leans to one direction.

  30. Outdoor units piping  ■ Refrigerant piping should be connected with side direction. Refrigerant can excessively leans to one direction.

  31. Outdoor units piping  ■ Refrigerant piping should be installed in a horizontal direction. Be horizontal Min. 4 inch

  32. Vertical trap Outdoor units piping  ■ Vertical trap 8 ~ 12 inch 40 inch 80 inch 80 inch

  33. Outdoor units piping  ■ Connecting the outdoor unit pipe Front connection Front connection Oil valve size : 1/4 inch Bottom connection Bottom connection

  34. Y joint installation Refnet Y Joint Installation Y Joint Horizontally installed Vertically installed Vaporized refrigerant leans to upper direction in Y joint. For uniform refrigerant distribution

  35. Header joint installation Refnet Head Joint Installation Header Joint Liquid head Joint Vaporized refrigerant leans to one of direction in branch joint. Header Joint Gas head Joint Do not install vertically.

  36. Header joint installation Connect according to larger capacity of indoor unit in order

  37. Piping work Taping Nitrogen replacement before brazing Without nitrogen gas blowing With nitrogen gas blowing

  38. Insulation work ※ Application condition : indoor temperature : 80℉, 80% RH

  39. Insulation work

  40. Insulation work

  41. Wiring work 3 Phase 3 wires Caution Be sure to install the switch and the fuse to the power line of each equipment. (Field wiring work)

  42. Wiring work Caution of wiring work 208 ~ 230V 208 ~ 230V 208 ~ 230V Hold wiring with using cable tie Note Use ring terminal for wiring terminal block

  43. Wiring work

  44. Leak test

  45. Vacuum drying Oil piping should be performed a vacuum

  46. Setting option switch Outdoor’s control part PCB Transformer Filter PCB Magnet CT Sensor BLDC Fan Driver Power TB Outdoor-indoor unit communication Outdoor – outdoor unit communication

  47. Setting option switch Sensor 220 V output

  48. Setting option switch

  49. INSTALLATION TOOLS – Exclusive Use to R410A

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