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3 About the box
WARNING
Electrical
wiring
connection
accordance with the instructions from:
▪ This manual. See
"6 Electrical
▪ The wiring diagram, which is delivered with the unit,
located on the inside of the indoor unit switch box
cover. For a translation of its legend, see
unit" [ 4 40].
diagram: Indoor
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
legislation.
WARNING
If the supply cord is damaged, it MUST be replaced by the
manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
WARNING
ALWAYS use multicore cable for power supply cables.
CAUTION
Do NOT push or place redundant cable length into the unit.
CAUTION
If the indoor unit has a tank with a built‑in electrical booster
heater, use a dedicated power circuit for the backup heater
and booster heater. NEVER use a power circuit shared by
another appliance. This power circuit MUST be protected
with the required safety devices according to the applicable
legislation.
WARNING
The backup heater MUST have a dedicated power supply
and MUST be protected by the safety devices required by
the applicable legislation.
CAUTION
To guarantee the unit is completely earthed, ALWAYS
connect the backup heater power supply and the earth
cable.
INFORMATION
Details of type and rating of fuses, or rating of circuit
breakers are described in
Commissioning (see "8 Commissioning" [ 4 36])
WARNING
Commissioning method MUST be in accordance with the
instructions
from
"8 Commissioning" [ 4 36].
Installation manual
4
method
MUST
be
in
installation" [ 4 15].
"10.2 Wiring
comply
with
the
applicable
installation" [ 4 15].
"6 Electrical
this
manual.
See
WARNING
Air purging heat emitters or collectors. Before you
purge air from heat emitters or collectors, check if
is displayed on the home screen of the user interface.
▪ If not, you can purge air immediately.
▪ If yes, make sure that the room where you want to
purge air is sufficiently ventilated. Reason: Refrigerant
might leak into the water circuit, and subsequently into
the room when you purge air from the heat emitters or
collectors.
3
About the box
Keep the following in mind:
▪ At delivery, the unit MUST be checked for damage and
completeness. Any damage or missing parts MUST be reported
immediately to the claims agent of the carrier.
▪ Bring the packed unit as close as possible to its final installation
position to prevent damage during transport.
▪ Prepare in advance the path along which you want to bring the
unit to its final installation position.
3.1
Indoor unit
3.1.1
To remove the accessories from the
indoor unit
Some accessories are located inside the unit. For more information
on opening the unit, see
"4.2.1 To open the indoor
a
Declaration of conformity
b
General safety precautions
c
Indoor unit installation manual
d
Operation manual
e
Addendum book for optional equipment
f
Addendum software changelog
g
Addendum commercial warranty
h
WLAN cartridge
i
Sealing ring for shut-off valves
j
Shut-off valve
k
Differential pressure bypass valve
l
Wall bracket
or
unit" [ 4 11].
ELBH/X12E
Daikin Altherma 3 R MT W
4P708482-1 – 2023.03
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