Fujitsu Waterstage WOYK150LJL User Manual

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 Maintenance
►
Emptying the hydraulic unit
- Remove the facade from the hydraulic unit.
- Place the distribution valve in the middle position.
- Open the emptying valve (ref. 5).
- Open the hydraulic unit’s manual bleed-tap (ref. 6).
- Open the installation bleed tap.
►
Distribution valve
Ensure the distribution valve is fi tted in the correct
direction:
Channel AB: Outlet to the hydraulic unit.
Channel A open: Return from DHW tank.
Channel B open: Return from the heating circuit.
►
ACI check
- Check polarity.
- Check voltage: With the appliance powered on,
the voltage value must be positive and lie between
+10 and +13 V DC.
fi g. 6 - Mounting the distribution valve
fi g. 9 - ACI check
Flow towards
exchanger
Return from
the heating circuit
B
A
AB
Return
from DHW tank
Valve
Valve motor
U = +10 + 13V
Contrôle de l'alimentation ACI Raccordement
Raccordement ACI :
Le sur la masse du ballon,
Le sur le connecteur de l'électrode.
-
+
à
ACI power supply control Connection
ACI connection:
- to the tank body,
+ to the electrode connector.
to
Waterstage / Maintenance Manual / 2105 - EN

Fujitsu Waterstage WOYK150LJL Specifications

General

Brand	Fujitsu
Model	Waterstage WOYK150LJL
Category	Inverter
Language	English