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3 About the box
WARNING
Make sure that the electrical wiring does NOT touch the
refrigerant gas pipe, which can be very hot.
a Refrigerant gas pipe
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 25])
WARNING
Commissioning method MUST be in accordance with the
instructions
from
"8 Commissioning" [ 4 25].
WARNING
Air purging heat emitters or collectors. Before you
purge air from heat emitters or collectors, check if an error
or
is displayed on the home pages 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
INFORMATION
This unit is a heating only model. Therefore, all references
to cooling in this document are NOT applicable.
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.
Installation manual
4
a
installation" [ 4 9].
"6 Electrical
this
manual.
See
3.1
Indoor unit
3.1.1
To remove the accessories from the
indoor unit
a
b
c
1×
1×
1×
h
1×
a
General safety precautions
b
Addendum book for optional equipment
c
Indoor unit installation manual
d
Operation manual
e
Sealing rings for field-supplied shut-off valves (space
heating water circuit)
f
Sealing rings for field-supplied shut-off valves (domestic
hot water circuit)
g
Sealing tape for low voltage wiring intake
h
Main user interface
3.1.2
To handle the indoor unit
Use the handles at the back and at the bottom to carry the unit.
a
a
Handles at the back of the unit
b
Handles at the bottom of the unit. Carefully tilt the unit to
the back so that the handles become visible.
4
Unit installation
INFORMATION
This unit is a heating only model. Therefore, all references
to cooling in this document are NOT applicable.
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.
d
e
f
g
1×
4×
4×
1×
a
b
b
EHFH03S18D
Daikin Altherma 3 R F
4P596803-1D – 2022.08
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