18 | Electrical installation
Installer and user reference guide
99
RKXYQ5T8+8T7Y1B + RDXYQ5T8+8T7V1B
VRV IV heat pump for indoor installation
4P499898-1A – 2020.10
18.1.3 About the electrical wiring
NOTICE
▪ Be sure to keep the power line and transmission line apart from each other.
Transmission wiring and power supply wiring may cross, but may not run parallel.
▪ Transmission wiring and power supply wiring may not touch internal piping
(except the inverter PCB cooling pipe) in order to avoid wire damage due to high
temperature piping.
▪ Firmly close the lid and arrange the electrical wires so as to prevent the lid or
other parts from coming loose.
18.1.4 Guidelines when knocking out knockout holes
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.
a Knockout hole
b Burr
c Sealant etc.
18.1.5 About electrical compliance
Only for RKXYQ8
This equipment complies with:
▪ EN/IEC 61000‑3‑12 provided that the short-circuit power S
sc
is greater than or
equal to the minimum S
sc
value at the interface point between the user's supply
and the public system.
- EN/IEC 61000‑3‑12 = European/International Technical Standard setting the
limits for harmonic currents produced by equipment connected to public low-
voltage systems with input current >16A and ≤75A per phase.
- It is the responsibility of the installer or user of the equipment to ensure, by
consultation with the distribution network operator if necessary, that the
equipment is connected only to a supply with a short-circuit power S
sc
greater
than or equal to the minimum S
sc
value.
Model Minimum S
sc
value
RKXYQ8 3329kVA
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