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Piping installation
Installer and user reference guide
84
R R8T7V1B
VRV IV heat pump for indoor installation
4P499898-1A – 2020.10
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WARNING
Provide adequate measures to prevent that the unit can be used as a shelter by small
animals. Small animals that make contact with electrical parts can cause
malfunctions, smoke or fire.
17.2.8 To connect the refrigerant piping to the heat exchanger unit
1
Remove the cover.
2
Remove the 2 insulation pieces.
3
Put a wet cloth in front of the EPS to protect the drain pan.
4
Braze the liquid and gas piping.
NOTICE
Only for 8 HP.
Piping adapter
(Ø19.1→22.2 mm) (delivered as accessory in the compressor unit).
Use the piping adapter to connect the field piping (Ø22.2 mm) to the gas piping
connection of the heat exchanger unit (Ø19.1 mm).
5
Remove the wet cloth.
6
Put back the 2 insulation pieces, peel off the insulation tapes and adhere them
to the insulation pieces.
7
Reattach the cover.
