2 Specific installer safety instructions
Installation and operation manual
6
BS4~12A14AJV1B
VRV 5 branch selector unit
4P670163-1 – 2022.02
WARNING
Make sure installation, servicing, maintenance, repair and
applied materials follow the instructions from Daikin and, in
addition, comply with applicable legislation and are
performed by qualified persons only. In Europe and areas
where IEC standards apply, EN/IEC 60335-2-40 is the
applicable standard.
Documentation set
This document is part of a documentation set. The complete set
consists of:
▪
General safety precautions:
▪ Safety instructions that you must read before installing
▪ Format: Paper (in the box of the BS unit)
▪
BS unit installation and operation manual:
▪ Installation and operation instructions
▪ Format: Paper (in the box of the BS unit)
▪
Installer and user reference guide:
▪ Preparation of the installation, reference data,…
▪ Detailed step-by-step instructions and background information
for basic and advanced usage
▪ Format: Digital files on
. Use the search
function to find your model.
Latest revisions of the supplied documentation may be available on
the regional Daikin website or via your dealer.
The original documentation is written in English. All other languages
are translations.
Technical engineering data
▪ A
subset
of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The
full set
of latest technical data is available on the Daikin
Business Portal (authentication required).
2
Specific installer safety
instructions
Always observe the following safety instructions and regulations.
Unit installation (see
20])
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
WARNING
If a ventilated enclosure is used, make sure:
▪ Auxiliary devices which may be a potential ignition
source shall not be installed in the duct work (example:
hot surfaces with a temperature exceeding 700°C and
electric switching devices).
▪ Only auxiliary devices (example: extraction fan)
approved by the manufacturer are used in the duct
work.
WARNING
Do NOT install operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater) in the duct work.
WARNING
The appliance shall be stored in a room without
continuously operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater).
WARNING
Fixing method of the unit MUST be in accordance with the
instructions from this manual. See
23].
WARNING
Follow the service space dimensions in this manual for
correct installation of the unit. See
CAUTION
Appliance NOT accessible to the general public, install it in
a secured area, protected from easy access.
This unit is suitable for installation in a commercial and
light industrial environment.
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.
CAUTION
If the metal duct passes through a metal lath, wire lath or
metal plate of the wooden structure, separate the duct and
wall electrically.
Refrigerant piping installation (see
28])
WARNING
Field piping method MUST be in accordance with the
instructions
from
this
manual.
See
28].
WARNING
Take sufficient precautions in case of refrigerant leakage. If
refrigerant gas leaks, ventilate the area immediately.
Possible risks:
▪ Excessive refrigerant concentrations in a closed room
can lead to oxygen deficiency.
▪ Toxic gas might be produced if refrigerant gas comes
into contact with fire.
WARNING
During tests, NEVER pressurise the product with a
pressure higher than the maximum allowable pressure (as
indicated on the nameplate of the unit).
WARNING
Bent header or branch pipes can lead to refrigerant
leakage. Risk of asphyxiation, suffocation and fire.
▪ NEVER bend the branch and header pipes sticking out
of the unit. They have to remain straight.
▪ ALWAYS support the branch and header pipes at a
distance of 1 m from the unit.
WARNING
When performing brazing work on one of the header/
branch pipes, the other header/branch pipes need to be
cooled by means of wrapping them in wet cloths.
