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4
Unit installation
WARNING
Installation shall be done by an installer, the choice of
materials and installation shall comply with the applicable
legislation. In Europe, EN378 is the applicable standard.
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.
▪ Mind the following measurements guidelines:
Maximum refrigerant piping length
unit and outdoor unit
Minimum refrigerant piping length
unit and outdoor unit
Maximum height difference between indoor unit and
outdoor unit
Maximum height difference between indoor unit and
domestic hot water tank
Maximum distance between indoor unit and
domestic hot water tank
Maximum distance between indoor unit and 3-way
valve (for installations with domestic hot water tank)
(a)
Refrigerant piping length is the one-way length of liquid piping.
CAUTION
Install the indoor unit at a minimum distance of 1 m from
other heat sources (>80°C) (e.g. electrical heater, oil
heater, chimney) and combustible materials. Otherwise the
unit may be damaged or in extreme cases catch fire.
▪ Mind the following spacing installation guidelines:
ELBH/X12E
Daikin Altherma 3 R MT W
4P708482-1 – 2023.03
(a)
between indoor
50 m
(a)
between indoor
3 m
30 m
5 m
10 m
10 m
≥500
≥450
H
Height measured from the bottom of the casing to the
floor
Additionally to the spacing guidelines: Because the total refrigerant
charge in the system is ≥1.84 kg, the room where you install the
indoor unit must also comply with the conditions described in
patterns" [ 4 6].
"4.1.3 Installation
4.1.2
Special requirements for R32 units
Additionally to the spacing guidelines: Because the total refrigerant
charge in the system is ≥1.84 kg, the room where you install the
indoor unit must also comply with the conditions described in
patterns" [ 4 6].
"4.1.3 Installation
WARNING
▪ Do NOT pierce or burn refrigerant cycle parts.
▪ Do NOT use means to accelerate the defrosting
process or to clean the equipment, other than those
recommended by the manufacturer.
▪ Be aware that R32 refrigerant does NOT contain an
odour.
WARNING
The appliance shall be stored so as to prevent mechanical
damage and in a well-ventilated room without continuously
operating ignition sources (example: open flames, an
operating gas appliance or an operating electric heater)
and have a room size as specified below.
NOTICE
▪ Do NOT re-use joints and copper gaskets which have
been used already.
▪ Joints made in installation between parts of refrigerant
system shall be accessible for maintenance purposes.
WARNING
Make sure installation, servicing, maintenance and repair
comply with instructions from Daikin and with applicable
legislation and are executed ONLY by authorised persons.
NOTICE
▪ Protect pipework from physical damage.
▪ Keep the pipework installation to a minimum.
4 Unit installation
(mm)
Installation manual
5
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