SINGLE SPLIT INVERTER AIR-CONDITIONER INSTALLATION - Indoor Unit -

1. SINGLE SPLIT INVERTER AIR-CONDITIONER INSTALLATION - Indoor Unit - 2011.08 ver.3

2. IndoorUnit :

3. Ceiling Cassette 1. Ceiling Cassette FDT Installation 1-1. Selection of Unit Location 1-2. Suspension Bolt 1-3. Temperature & Velocity Distribution 1-4. Duct Connecting 1-5. Drain Pump

4. 1. Selection ofUnit Location Space for installation & service Model FDT71VD 100VD 125VD 140VD 4000mm to 5000mm or more 1000mm or more 2500mm or more 1000mm or more Obstacle Floor

5. Case 1 : Location of FDT & Lighting !

6. Case 2 : Indoor unit (FDTA140HKXE4) Conference room ceiling Layout of FDT ! Air distribution & temperature distribution !

7. Case 3 : Indoor unit (FDTA140HKXE4) Height Air distribution & temperature distribution ! Air filter cleaning & maintenance !

8. Case 4 : Indoor unit (FDTA71HKXE4) Height Air distribution & temperature distribution ! Q: What model is the most suitable for this room ?

9. Case 5 : Height Height Air flow draft & fan noise !

10. 2. Suspension Bolt 778 778

11. 2. Suspension Bolt (1) OK NG Gap

12. (2) Hang the indoor unit on the suspension boltsand fix it with double nuts by leaving 5cm margin of suspension bolt below fixing point. Distance from Indoor unit to the ceiling ≧30mm Fixed with singlenut Fixed with double nuts Leaving 5cm margin of suspension bolt

13. (3) The indoor unit should be installed horizontally; Bad Examples: If the indoor unit is not horizontally installed, it may causeoverflow of drainage due to blocking or stagnating, and it looks bad. 81

14. (4) When a suspension bolt is longer than 1.5m, reinforcement is required. 87

15. 3. Temperature & Velocity Distribution

17. Case 6 : Q: What is the issue & what is your countermeasure ?

18. 4. Duct Connecting

19. Case 7 : Fresh air ? Air supply duct Air supply ( 4 location) Outdoor air intake Indoor unit ( 1 corner ) (FDTA71HKXE4) Duct connection for air intake & air supply is different location

20. 5. Drain Pump

21. Ceiling Cassette : FDT Installation workability 2. Easy checking of drain pan Easy checking of drain pan condition by removing corner lid only 1. Arrangement of installation balance of indoor unit Checking from access ports with detachable covers at each corner without removing a panel 3. Joint stopper Workability is improved by applying temporally joint stopper for panel.

22. Q: What should be checked for FDT installation ? 1. Location of FDT in the room ------ Basically supply air path & return air path should be clear of obstructions ------ 2. Height of the ceiling where FDT are installed ------ Check the height from the floor to the FDT ------ 3. Air flow velocity & temperature distribution of FDT ------ Check if the FDT air flow can cover all of the room -----

23. Ceiling Suspended 2. Ceiling Suspended FDE Installation 2-1. Selection of the Unit Location 2-2. Suspension Bolt 2-3. Electric Wiring

24. 1. Selection ofunit Location Space for installation & service

25. 2. Suspension Bolt

26. ＊ FDE model has no drain pump

28. 2. Electric Wiring

29. 3. Louver Setting From the remote controller

30. Duct Connected 3. Duct Connected FDUM Installation 3-1. Basic Ducting Design 3-2. Suspension Bolt 3-3. Piping Connection 3-4. Selection of the Unit Location 3-5. Drain Pump 3-6. External Static Pressure

31. 1. Basic Ducting design Basic ducting work (1) Supply air duct (2) Return air duct Canvas Canvas Return air Supply air register Return air duct Supply air duct

34. 2. Suspension Bolt

35. 3. Piping Connection

36. 4. Selection ofUnit Location Space for Installation & Service

38. Installation & Service Space FDUM B 950 1370 750 B

39. Case 8 : Air return Indoor unit (FDUMA90HKXE4) Air supply duct Q: What is the issue & what is your countermeasure ?

40. Case 9 : Air return Indoor unit (FDUA280HKXE4) Air supply duct Control box Q: What is the issue & what is your countermeasure ?

41. Case 10 : Residence Indoor unit Concrete Ceiling (FDUMA71HKXE4) Cut & shave off the concrete for installation because of the low ceiling height Checking for the drawing at early stage is essential

42. Case 11 : Office Glass will be installed to the every floor Air outlet duct Air outlet grill Stair well From the early stage building design & installation design is harmonized

43. 5. Drain Pump

44. 6. External Static Pressure

45. Installation design & work Make sure the following (1) Space for installation ----- whether there is enough space surrounding the unit ----- ----- space in horizontal & vertical for the unit ----- (2) Space for service ----- check the service space for each of the unit ----- (3) Partition of the room ----- whether the room partition(wall) is different or not from the original installation design of the units ----- Sometimes configuration of the room and building are suddenly changed by the contractor or the investor without any notice to the consultant or the distributer of air-conditioner. Then it is better to get those information as much as possible for avoiding the trouble what comes from those changes.

46. Q: What should be checked ? 1. Whether design change of the room is exist or not from the original installation plan ---- Room partition & duct route ---- 2. Space for service ----- After service & maintenance work ---

47. Duct connected 1. Air flow duct & configuration 1-1. Supply air duct 1-2. Return air duct 1-3. Air flow duct resistance

48. Case 1 : Air outlet Supply air duct Indoor unit (FDUA280HKXE4) Return air duct Air inlet

49. Case 2 : Air outlet Supply air duct Indoor unit (FDUA280HKXE4) Return air duct Air inlet Q: What is the issue & what is your countermeasure ?

50. Case 3 : Return air duct Indoor unit (FDUA280HKXE4) Supply air duct Q: What is the issue & what is your countermeasure ?