CLAGE
3
The instantaneous water heater DEX 12 is a electronically controlled, pressure-resistant
water heater for a decentralised water supply to one or more tap connections.
Its electronic control regulates the power consumption depending on the selected out-
let temperature, the respective inlet temperature and the flow rate, thus reaching the
set temperature exactly to the degree and keeping it constant in case of pressure fluc-
tuations. The required outlet temperature can be entered on a keypad within a range
between 20 °C and 55 °C and can be read off the digital display.
2. Description of appliance
not play with the appliance. Cleaning and user maintenance shall not be performed by children without
supervision.
• If the appliance is factory equipped with a connection cable, it must be replaced with an original spare cable
from the manufacturer in case of damage by an authorised technician in order to avoid any hazards.
• In accordance with VDE 0700, a circuit breaker with a contact opening gap of at least 3 mm for each pole
must be provided on the mains side of the connecting box for appliances with a fixed connection.
• The wall bracket must be secured with the supplied screws and dowels. The appliance must be secured to
the wall bracket. The appliance may only be operated if it has been properly mounted on the wall bracket.
• The prescribed nominal pressure stated on the rating plate may not be exceeded at any time.
• The required water resistance may not fall below the value stated on the rating plate at any time.
To observe additionally for pressureless installation:
• The water outlet behind the devices must not be blocked, and the water flow must not be restricted.
• The water outlet facilities, such as shower head, jet control and other outlet unit, must be decalcified regu-
larly. Deposits must be removed in regular intervals.
• Only the fittings recommended by the manufacturer may be used.
• If the appliance is exclusive connected to a single shower, only the shower heads recommended by the
manufacturer may be used. No other fittings or appliances which decrease the water flow to the shower
may be installed.
1. Safety instructions
