Third-Party Tank Requirements; Connecting Water Piping; To Connect The Water Piping; To Fill The Water Circuit - Daikin EBLA08E23V3 Installation Manual

See the recommended procedure as described in
commissioning" [ 4 40].
during
5.1.2

Third-party tank requirements

In case of a third-party tank, the tank shall adhere to the following
requirements:
▪ The heat exchanger coil of the tank is ≥1.05 m² and ≤3.7 m².
▪ The tank thermistor must be located above the heat exchanger
coil.
▪ The booster heater must be located above the heat exchanger
coil.
NOTICE
Performance. Performance data for third-party tanks
CANNOT be provided, and performance CANNOT be
guaranteed.
5.2

Connecting water piping

CAUTION
Always use valves to control water circulation in the unit. If
the fan coil unit is off, but water keeps circulating in the
unit, condensation will form on the unit and water can drip
within 4 hours.
NOTICE
Do not use excessive force when connecting the piping.
This could deform the unit piping. Deformation of the piping
can cause the unit to malfunction.
5.2.1

To connect the water piping

NOTICE
Do NOT use excessive force when connecting the field
piping and make sure the piping is aligned properly.
Deformation of the piping can cause malfunctioning of the
unit.
NOTICE
When connecting the field piping, hold the nut on the inside
of the unit in place using a spanner to provide extra
leverage.
1 Connect the shut-off valve (with integrated filter) to the outdoor
unit water inlet, using thread sealant.
EBLA04~08E2V3+E23V3 + EDLA04~08E2V3+E23V3
Daikin Altherma 3 M
4P685229-1D – 2022.10
"9.2 Checklist
2 Connect the field piping to the shut-off valve.
3 Connect the field piping to the outdoor unit water outlet.
NOTICE
About the shut-off valve with integrated filter (delivered as
accessory):
▪ The installation of the valve at the water inlet is
▪ Mind the flow direction of the valve.
NOTICE
For service purposes, it is recommended to also install a
shut-off valve and drain point to the water OUT connection.
This shut-off valve and drain point are field supplied.
NOTICE
Install air purge valves at all local high points.
NOTICE
In case an optional domestic hot water tank is installed: A
pressure relief valve (field supply) with an opening
pressure of maximum 10 bar (= 1 MPa) must be installed
on the domestic cold water inlet connection in accordance
with the applicable legislation.
5.2.2
To fill the water circuit, use a field supply filling kit. Make sure you
comply with the applicable legislation.
NOTICE
The unit contains an automatic air purge valve. Make sure
it is open. All automatic air purge valves in the system (in
the unit, and in the field piping – if any) must remain open
after commissioning.
5 Piping installation
a
b
b
c
a Water OUT (screw connection, male, 1")
b Water IN (screw connection, male, 1")
c Shut-off valve with integrated filter (delivered as
accessory)(2× screw connection, female, 1")
d Thread sealant
mandatory.

To fill the water circuit

1
d
2
Installation manual
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