5
WARNING
17. Wire routing must be properly arranged so that control board cover is fixed properly. If control board cover is not fixed perfectly, it will
cause fire or electrical shock.
18. For electrical work, follow the national regulation, legislation and this installation instructions. An independent circuit and single outlet
must be used. If electrical circuit capacity is not enough or defect found in the electrical work, it will cause electrical shock or fire.
19. For water circuit installation work, follow to relevant European and national regulations (including EN61770) and local plumbing and
building regulation codes.
20. Engage authorized dealer or specialist for installation. If installation done by the user is incorrect, it will cause water leakage, electrical
shock or fire.
21. • This is a R32 model, use piping, flare nut and tools which is specified for R32 refrigerant. Using of existing (R22) piping, flare nut
and tools may cause abnormally high pressure in the refrigerant cycle (piping), and possibly result in explosion and injury.
• Thickness for copper pipes used with R32 must be more than 0.8 mm. Never use copper pipes thinner than 0.8 mm.
• It is desirable that the amount of residual oil is less than 40 mg/10 m.
22. When installing or relocating Tank Unit, do not let any substance other than the specified refrigerant, eg. air etc. mix into refrigeration
cycle (piping). Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
23. For refrigeration system work, install according to this installation instructions strictly. If installation is defective, it will cause water
leakage, electrical shock or fire.
24. Install at a strong and firm location which is able to withstand weight of the set. If the strength is not enough or installation is not
properly done, the set will drop and cause injury.
25. This equipment is strongly recommended to be installed with Residual Current Device (RCD) on-site according to the respective
national wiring rules or country
specific safety measures in terms of residual current.
26. During installation, install the refrigerant piping properly before running the compressor. Operation of compressor without fixing
refrigeration piping and valves at opened position will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in
explosion, injury etc.
27. During pump down operation, stop the compressor before removing the refrigeration piping. Removal of refrigeration piping while
compressor is operating and valves are opened will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in
explosion, injury etc.
28. Tighten the flare nut with torque wrench according to specified method. If the flare nut is over tightened, after a long period, the flare
may break and cause refrigerant gas leakage.
29. After completion of installation, confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant contacts
with fire.
30. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant contacts with fire.
31. Ventilate the room if there is refrigerant gas leakage during operation. Extinguish all fire sources if present. It may cause toxic gas
when the refrigerant contacts with fire.
32. Use the attached accessories parts and specified parts for installation. Otherwise, it will cause the set to fall, water leakage, fire or
electrical shock.
33. Only use the supplied or specified installation parts. Else, it may causes unit vibrate, fall, water leakage, electrical shock or fire.
34. If there is any doubt about the installation procedure or operation, always contact the authorized dealer for advice and information.
35. Select a location where in case of water leakage, the leakage will not cause damage to other properties.
36. When installing electrical equipment at wooden building of metal lath or wire lath, in accordance with electrical facility standard, no
electrical contact between equipment and building is allowed. Insulator must be installed in between.
37. Any work carried out on the Tank Unit after removing any panels which is secured by screws, must be carried out under the
supervision of authorized dealer and licensed installation contractor.
38. Any work carried out on the outdoor unit after removing any panels which is secured by screws, must be carried out under the
supervision of authorized dealer and licensed installation contractor.
39. This system is multi supply appliance. All circuits must be disconnected before accessing the unit terminals.
40. For cold water supply has a backflow regulator, check valve or water meter with check valve, provisions for thermal expansion of water
in the hot water system must be provided. Otherwise it will cause water leakage.
41. The piping installation work must be flushed before Tank Unit is connected to remove contaminants. Contaminants may damage the
Tank Unit components.
42. This installation may be subjected to building regulation approval applicable to respective country that may require to notify the local
authority before installation.
43. The Tank Unit must be shipped and stored in upright condition and dry environment. It may laid on its back when being moved into the
building.
44. Work done to the Tank Unit after remove the front plate cover that secured by screws, must be carried out under the supervision of
authorized dealer, licensed installation contractor, skilled person and instructed person.
45. Be aware that refrigerants may not contain an odour.
46. This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and
telephone. Otherwise, it may cause electrical shock in case of equipment breakdown or insulation breakdown.
47. This unit must be properly earthed. The electrical earth must not be connected to a gas pipe, water pipe, the earth of lightening rod or
a telephone. Otherwise there is a danger of electrical shock in the event of an insulation breakdown or electrical earth fault in the
outdoor unit.
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