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5.7.2
Recommended cable cross section
Tab.105
Appliance
LSGT25-S
LSGT35-S
LSGT50-S
LSGT70-S
7798815 - v04 - 07122022
The installer must provide the power supply cables and connect them.
Make the electrical connections on the appliance in accordance with the
following:
requirements of the prevailing standards,
national wiring regulations,
information given in the electrical diagrams delivered with the appliance,
Recommendations of these instructions.
Check that wiring will not be subject to wear, corrosion, excessive
pressure, vibration, sharp edges or any other adverse environmental
effects. The check shall also take into account the effects of ageing or
continual vibration from sources such as compressors or fans.
The electrical characteristics of the mains power supply available must
correspond to the values given on the data plate.
The cable will be carefully chosen according to the following information :
Maximum intensity of the outdoor unit. See table below.
Distance of the appliance from the original power supply
Upstream protection.
Neutral operating conditions.
Power supply
Power Cable
type
2
(mm
)
Single phase
3 x 1.5
Single phase
3 x 1.5
Single phase
3 x 2.5
Single phase
3 x 2.5
Important
The maximum permissible current on the power supply cable of
the indoor unit must not exceed 6 A.
Communication
2
Cable (mm
)
5 x 1.5
5 x 1.5
5 x 2.5
5 x 2.5
Important
For the "inverter"outdoor unit power supply, use a residual-current
device (RCD) compatible with high harmonics:
A type A residual-current device may be sufficient for single-
phase applications,
if not, a type B or equivalent residual-current device may be
sufficient for three-phase and single-phase applications
5 Installation
Circuit breaker
Maximum amper
curve C (A)
age (A)
16
8
16
9.5
16
12
20
16
en
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