19 | Electrical installation
Installer and user reference guide
113
REYQ8~20+REMQ5U7Y1B
VRV IV+ heat recovery
4P561154-1A – 2020.10
a Knockout hole
b Burr
c Remove burrs
d If there are any possibilities that small animals enter the system through the
knockout holes, close the holes with packing materials (to be prepared on-site)
19.1.5 About electrical compliance
This equipment complies with:
▪ EN/IEC 61000‑3‑11
provided that the system impedance Z
sys
is less than or equal
to Z
max
at the interface point between the user's supply and the public system.
- EN/IEC 61000‑3‑11 = European/International Technical Standard setting the
limits for voltage changes, voltage fluctuations and flicker in public low-voltage
supply systems for equipment with rated current ≤75A.
- 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 system impedance Z
sys
less than
or equal to Z
max
.
▪ 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.
Single outdoor unit
Model Z
max
(Ω) Minimum S
sc
value
(kVA)
REMQ5 — 2893
REYQ8 — 2893
REYQ10 — 3954
REYQ12 — 4313
REYQ14 — 4852
REYQ16 — 5391
REYQ18 — 6289
REYQ20 — 7009
Multiple outdoor units
Model Z
max
(Ω) Minimum S
sc
value
(kVA)
REYQ10 — 5786
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