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4.2.4
To prevent the outdoor unit from falling
over
In case the unit is installed in places where strong wind can tilt the
unit, take following measure:
1 Prepare 2 cables as indicated in the following illustration (field
supply).
2 Place the 2 cables over the outdoor unit.
3 Insert a rubber sheet between the cables and the outdoor unit
to prevent the cables from scratching the paint (field supply).
4 Attach the ends of the cables and tighten them.
4.3
Connecting water piping
4.3.1
To connect the water piping
NOTICE
Do NOT use excessive force when connecting the piping.
Deformation of the piping can cause malfunctioning of the
unit. Make sure that the tightening torque does NOT
exceed 30 N•m.
To facilitate service and maintenance, 2 shut-off valves are provided.
Mount the valves on the space heating water inlet and space heating
water outlet. Mind their position: the integrated drain valves will only
drain the side of the circuit on which they are located. To be able to
only drain the unit, make sure the drain valves are positioned
between the shut‑off valves and the unit.
a
b
a
Water inlet
b
Water outlet
EBLQ05+07C2V3
Daikin Altherma monobloc compact outdoor unit
4P598846-1 – 2019.10
c
Shut-off valve
d
O-ring
1 Install the shut-off valves onto the outdoor unit water pipes.
2 Connect the field piping to the shut-off valves.
3 For how to connect the domestic hot water tank, see the
installation manual of the tank.
NOTICE
To protect the water circuit against freezing, add glycol.
For instructions, see the installation manual of the
domestic hot water tank.
NOTICE
Install a manometer in the system.
NOTICE
Install air purge valves at all local high points.
4.3.2
To insulate the water piping
The piping in the complete water circuit MUST be insulated to
prevent condensation during cooling operation and reduction of the
heating and cooling capacity.
To prevent the freezing of the outdoor water piping during winter
time, the thickness of the sealing material MUST be at least 13 mm
(with λ=0.039 W/mK).
If the temperature is higher than 30°C and the humidity is higher
than RH 80%, the thickness of the insulation materials should be at
least 20 mm to prevent condensation on the surface of the
insulation.
During winter, protect the water piping and shut‑off valves against
freezing by adding heat tape (field supply). If the outdoor
temperature can drop below –20°C and no heat tape is used, it is
recommended to install the shut‑off valves indoors.
4.4
Connecting the electrical wiring
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
4.4.1
To connect the electrical wiring on the
outdoor unit
1 Remove the switch box cover. See
unit" [ 4 4].
2 Insert the wiring at the back of the unit:
a
≥25 mm
a
Low voltage cable
b
High voltage cable
4 Installation
"4.1.1 To open the outdoor
b
c
Installation manual
7
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