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b
Differential pressure bypass valve
c
Mounting plate (+ screw) for demand PCB
(EKRP1AHTA) and digital I/O PCB (EKRP1HBAA)
d
Declaration of conformity
e
Addendum book for optional equipment
f
Addendum software changelog
g
Addendum commercial warranty
h
Addendum contactor terminals
i
General safety precautions
j
Indoor unit installation manual
k
Operation manual
l
Sealing ring for shut-off valves (space heating water
circuit)
m
Sealing ring for field-supplied shut-off valves (domestic
hot water circuit)
n
Sealing tape for low voltage wiring intake
o
WLAN cartridge
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.
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
NOTICE
This unit is designed for operation on 2 temperature zones:
▪ underfloor heating in the main zone, this is the zone
with the lowest water temperature,
▪ radiators in the additional zone, this is the zone with
the highest water temperature.
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.
ELVZ12S18+23E
Daikin Altherma 3 R MT F
4P708476-1 – 2023.03
a
b
b
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
▪ 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
(a)
Refrigerant piping length is the one-way length of liquid piping.
▪ Mind the following spacing installation guidelines:
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.
≥500
≥600
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
INFORMATION
If you have limited installation space, do the following
before installing the unit in its final position:
connect the drain hose to the
remove one or both side panels.
NOTICE
When the temperature in multiple rooms is controlled by 1
thermostat, do NOT place a thermostatic valve on the
emitter in the room where the thermostat is installed.
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.
4 Unit installation
(a)
between indoor
50 m
(a)
between indoor
3 m
30 m
(mm)
"4.3.2 To
drain" [ 4 14]. It requires to
Installation manual
5
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