About The Box; Indoor Unit; To Remove The Accessories From The Indoor Unit; Unit Installation - Daikin Altherma 3 R W Installation Manual

3 About the box

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 in the unit.
WARNING
The backup heater MUST have a dedicated power supply
and MUST be protected by the safety devices required by
the applicable legislation.
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.
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 37])
WARNING
Commissioning method MUST be in accordance with the
instructions from
"8 Commissioning" [ 4 37].
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
3.1

Indoor unit

▪ At delivery, the unit MUST be checked for damage. Any damage
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.
▪ Unpack the indoor unit completely according to the instructions
mentioned on the unpacking instructions sheet.
Installation manual
6
installation" [ 4 17].
"6 Electrical
this manual. See
or
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 General safety precautions
b Addendum book for optional equipment
c Indoor unit installation manual
d Operation manual
e Sealing ring for shut-off valve
f Shut-off valve
g Overpressure bypass valve
h Wall bracket
4

Unit installation

4.1

Preparing the installation site

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
DO NOT reuse refrigerant piping that has been used with
any other refrigerant. Replace the refrigerant pipes or
clean thoroughly.
4.1.1 Installation site requirements of the
indoor unit
▪ The indoor unit is designed for indoor installation only and for the
following ambient temperatures:
▪ Space heating operation: 5~30°C
▪ Space cooling operation: 5~35°C
▪ Domestic hot water production: 5~35°C
INFORMATION
Cooling is only applicable in case of:
▪ Reversible models
▪ Heating only models + conversion kit (EKHBCONV*)
▪ Mind the following measurements guidelines:
Maximum refrigerant piping length
unit and outdoor unit
Minimum refrigerant piping length
unit and outdoor unit
unit" [ 4 13].
a b c d
1× 1× 1× 1×
e f g
4× 2× 1×
h
1×
(a)
between indoor 50 m
(a)
between indoor 3 m
EBBH/X11+16DF
Daikin Altherma 3 R W
4P643600-1B – 2021.10