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8. OUTDOOR UNIT INSTALLATION MANUAL
Engineering Data book
8
1 ACCESSORY PARTS AND REFRIGERANT
Accessory parts
Refrigerant Piping
• Piping kit used for the conventional refrigerant cannot be used.
• Use copper pipe with 0.8 mm or more thickness for Ø9.5 mm.
Use copper pipe with 1.0 mm or more thickness for Ø15.9 mm.
• Flare nut and flare works are also different from those of the conventional refrigerant.
Take out the flare nut attached to the Air to Water Heat Pump, and use it.
Part name Q’ty Shape Usage
Outdoor unit
Installation manual
1 This manual (Hand this directly to the customer.)
Drain nipple 1
Waterproof rubber cap 5
Protective bush 1 For protecting wires (pipe cover)
Guard material for passage
part
1 For protecting passage part (pipe cover)
2-EN
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