Daikin VRV IV RKXYQ5T8Y1B Series, Инструкция для установки и пользователя

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17 | Piping installation
Installer and user reference guide
83
R R8T7V1B
VRV IV heat pump for indoor installation
4P499898-1A – 2020.10
a b c d
a Cut the insulation (under the knockout hole).
b Hit on the knockout hole, and remove it.
c Remove the burrs.
d Paint the edges and areas around the edges using repair paint to prevent rusting.
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.
4 Connect piping (by brazing) as follows:
8 HP 5 HP
c
d
d
c
b
a
b
a
3 1
2
3
2
1
a Liquid line (circuit 1: to heat exchanger unit)
b Gas line (circuit 1: to heat exchanger unit)
c Liquid line (circuit 2: to indoor units)
d Gas line (circuit 2: to indoor units)
1 Pinched piping
2 Piping accessory
3 Field piping
5 Reattach the service cover.
6 Seal all gaps (example: a) to prevent small animals from entering the system.