Daikin RYYQ8U7Y1B, Инструкция по установке и эксплуатации

Страница: 85 / 176

17 | Piping installation
Installer and user reference guide
85
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11
NOTICE
Precautions when making knockout holes:
▪
Avoid damaging the casing.
▪
After making the knockout holes, we recommend you remove the burrs and paint
the edges and areas around the edges using repair paint to prevent rusting.
▪
When passing electrical wiring through the knockout holes, wrap the wiring with
protective tape to prevent damage.
17.2.5 To connect the refrigerant piping to the outdoor unit
INFORMATION
All local inter unit piping are field supplied except the accessory pipes.
NOTICE
Precautions when connecting field piping. Add brazing material as shown in the
figure.
1
1
1
1
2 2
≤Ø25.4 >Ø25.4
NOTICE
▪
Be sure to use the supplied accessory pipes when carrying out piping work in the
field.
▪
Be sure that the field installed piping does not touch other pipes, the bottom
panel or side panel. Especially for the bottom and side connection, be sure to
protect the piping with suitable insulation, to prevent it from coming into contact
with the casing.
Connect the stop valves to the field piping using the accessory pipes supplied with
the unit.
The connections to the branch kits are the responsibility of the installer (field
piping).
17.2.6 To connect the multi connection piping kit
NOTICE
Improper installation may lead to malfunction of the outdoor unit.
▪ Install the joints horizontally, so that the caution label (a) attached to the joint
comes to the top.
- Do not tilt the joint more than 7.5° (see view A).
- Do not install the joint vertically (see view B).