Electrical Installation; About Connecting The Electrical Wiring; Precautions When Connecting The Electrical Wiring - Daikin LREN8A7Y1B Installer And User Manual

16 Electrical installation

In this chapter

16.1 About connecting the electrical wiring

16.1.1 Precautions when connecting the electrical wiring

LREN8~12A7 + LRNUN5A7
CO₂ ZEAS outdoor unit and capacity up unit
4P704142-1 - 2022.08
CAUTION
This equipment is NOT intended for use in residential locations and will NOT
guarantee to provide adequate protection to radio reception in such locations.
NOTICE
If the equipment is installed closer than 30 m to a residential location, the
professional installer MUST evaluate the EMC situation before installation.
16.1 About connecting the electrical wiring .................................................................................................................................. 101
16.1.1 Precautions when connecting the electrical wiring .............................................................................................. 101
16.1.2 Guidelines when connecting the electrical wiring ................................................................................................ 102
16.1.3 About electrical compliance .................................................................................................................................. 104
16.2 Field wiring: Overview ............................................................................................................................................................ 105
16.3 Guidelines when knocking out knockout holes ..................................................................................................................... 106
16.4 Specifications of standard wiring components...................................................................................................................... 107
16.5 Connections to the outdoor unit............................................................................................................................................ 108
16.5.1 Low voltage wiring - Outdoor unit ........................................................................................................................ 108
16.5.2 High voltage wiring - Outdoor unit ....................................................................................................................... 110
16.6 Connections to the capacity up unit ...................................................................................................................................... 112
16.6.1 Low voltage wiring - Capacity up unit ................................................................................................................... 112
16.6.2 High voltage wiring - Capacity up unit .................................................................................................................. 114
Typical workflow
Connecting the electrical wiring typically consists of the following stages:
1 Making sure the power supply system complies with the electrical
specifications of the units.
2 Connecting the electrical wiring to the outdoor unit (low voltage wiring and
high voltage wiring).
3 Connecting the electrical wiring to the capacity up unit (low voltage wiring and
high voltage wiring).
DANGER: RISK OF ELECTROCUTION
WARNING
▪
All wiring MUST be performed by an authorised electrician and MUST comply
with the applicable national wiring regulation.
▪
Make electrical connections to the fixed wiring.
▪
All components procured on-site and all electrical construction MUST comply
with the applicable legislation.
WARNING
ALWAYS use multicore cable for power supply cables.
16 Electrical installation
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Installer and user reference guide
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