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Non-return valve
Flap closed
(Normal operating
position)
Flap disengaged
(Filling or drain
position)
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Directional valve intermediate position
A
B
Unlocking button
valve motor
Manual manoeuvre:
opens all the channels for
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AB
8 Maintenance
8.1
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- Remove the front panel of the heat pump.
- Set the directional valve to intermediate position.
- Deactivate the non-return valve (
item
¿JXUH
).
- Open the drainage valves (
item
5
).
- Open the manual drains (
item
6
) and the auto drain of
the hydraulic module (
item
7
).
- Open the installation's drain(s).
8.2 Directional
valve
Channel
AB
: Output to the circulator.
Channel
A
open: Return from the DHW tank.
Channel
B
open: Return from the heating circuit.
8.3 ACI
check
Check the polarity.
Check the voltage: As the appliance is powered up, the
voltage value must be positive and be b 0 and
+ 6.5 V in direct current.
9
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Explain to the user the operation of the installation
(heating and hot water temperature settings), especially
the ambient sensor functions and the programmes that
are accessible via the user interface.
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inertia and that consequently the settings need to be
progressive.
Also explain to the user how to check the heating circuit
LV¿OOHG
U = + 0 à + 6,5 V
Contrôle de l'alimentation ACI
Raccordement
Raccordement ACI :
Le
sur la masse du ballon,
Le
sur le connecteur de l'électrode.
-
+
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Connection
ACI connection:
to the tank mass
to the electrode connector
The
The
Installation and commissioning instructions "1485 - EN"
- 75 -
Heat pump alféa hybrid duo gas
