EHBH/X16
Daikin Altherma - Low Temperature Split
4P313776-1 – 2012.05
Installer reference guide
24
7 Installation
7.1.2 To open the switch box cover of the indoor
unit
7.2
Mounting the indoor unit
7.2.1 To install the indoor unit
7.2.2 To install the drain pan kit
If a drain pan kit (EKHBDPCA2) is required, install it before
connecting the refrigerant and water pipes and the electrical wiring.
To install, see the installation manual of the drain pan kit.
7.3
Connecting the water piping
7.3.1 To connect the water piping
To facilitate service and maintenance, 2 shut-off valves are provided.
Mount the valves on the water inlet and on the water outlet. Mind their
the position. Orientation of the integrated drain valves is important for
servicing.
1
Install the shut-off valves on the water pipes.
2
Screw the indoor unit nuts on the shut-off valves.
3
Connect the field piping on the shut-off valves
4
In case of connection with the optional domestic hot water tank,
see the installation manual of the domestic hot water tank.
CAUTION
Do NOT grasp the piping to lift the indoor unit.
4x
2x
2x
60kg
1
2
4
3
NOTICE
Do NOT use excessive force when connecting the piping.
Deformation of the piping can cause malfunctioning of the
unit.
a
Water inlet
b
Water outlet
NOTICE
To avoid damage to the surroundings in case of water
leakage, it is recommended to close the cold water inlet
stop valves during periods of absence.
NOTICE
Q
A drain device and pressure relief device should be
installed on the cold water inlet connection of the
domestic hot water cylinder.
Q
To avoid back siphonage, it is recommended to install
a non-return valve on the water inlet of the domestic
hot water tank in accordance with the applicable
legislation.
Q
It is recommended to install a pressure reducing valve
on the cold water inlet in accordance with the
applicable legislation.
Q
An expansion vessel should be installed on the cold
water inlet in accordance with the applicable
legislation.
Q
It is recommended to install the pressure relief valve
on higher position as top of the domestic hot water
tank.
Heating of the domestic hot water tank causes water
to expand and without pressure relief valve the water
pressure inside the tank can rise above the tank
design pressure. Also the field installation (piping,
tapping points, etc.) connected to the tank is subjected
to this high pressure. To prevent this, a pressure
relieve valve needs to be installed.
The overpressure prevention depends on the correct
operation of the field installed pressure relief valve. If
this is NOT working correctly, overpressure will deform
the tank and water leakage may occur. To confirm
good operation, regular maintenance is required.
a
b
Summary of Contents for ERLQ011CA
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