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Installation instructions & user manual
9120-34378 v1.00 Sept 2020 - ZIP DEX Next / DEX12 Next
Technical support
Tel: 0345 6 005 005 email: [email protected] www.zipwater.co.uk
In case the appliance will be commis sioned again under different installation conditions
than during its initial ope ration, it may be necessary to adapt the maximum power rat-
ing .
A temporary short-circuit of the two pins, e .g . with a screwdriver acc . to EN 60900
(see figure), will reset all heater parameters to works setting and lock the heating . The
display shows the menu to select the language . Choose your language, after that the
selection of power rating appears . This condition will maintain when activating and
deactivating the supply voltage .
Reinstallation
7. Initial operation
Pos. OFF
Pos. 1
The water heater’s temperature must be limited to 55 °C, if it is connected to a show-
er . The temperature limit must be set to a value less or equal 55 °C in the setting menu,
in consultation with the customer and the lock level must be activated .
When the appliance is operated with preheated water, it must be ensured that this
temperature is limited to 55 °C as well .
Shower application
Locking function
The operating mode of the appliance can be restricted .
Activation of the locking function
1 . Select required parameters via the setting menu (see online user manual chapter
“Settings”, subpoints “Temperature limit” and / or “Load shedding”) .
2 . Disconnect the appliance from the power supply (e .g . by switching off the fuses) .
3 . Take the jumper off the power electronics and change to position “
1
” (see picture) .
4 . Put the appliance into operation again .
Deactivation of the locking function
1 . Disconnect the appliance from the power supply (e .g . by switching off the fuses) .
2 . Take the jumper off the power electronics and change to position “
OFF
” (see pic-
ture) .
3 . Put the appliance into operation again .
