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Operating And Installation Instructions; Installation; Wall Mounting; Water Connection - AEG EWH Basis Series Operating And Installation Instructions

Closed wallmounted storage heaters
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For the user and fitter
1.

Operating and installation instructions

Keep these instructions in a safe place. Hand them over to the new owner if the appliance changes
hands. Make them available to the fitter when any maintenance work or repairs are carried out.
2.

Installation

2.1

Wall mounting

Fit the wall-mounted storage heaters EWH 30 ... 200 Basis / Basis N with the water connections at the
bottom in a frost-proof room next to the connection point.
The materials used to mount the appliance must be selected according to the strength of the
wall. The combined weight of the storage heaters and their water filling (see the table "Technical
specifications") must be taken into consideration.
The position of the screws required for installation is shown in Figure 4 and 5.
The mounting brackets for vertical installation are an integral part of the storage heater.
2.2

Water connection

The appliance must be connected to the water system by an authorised specialist technician,
taking the applicable installation instructions and the relevant standards and regulations into
consideration.
The water connection is closed (pressure-proof ) and supplies several drawing points.
The wall-mounted storage water heater is suitable for connection to plastic pipe systems.
Information on connecting to plastic pipe systems: In the event of malfunctions, temperatures of up
to 95 °C (max. 0.6 MPa) can occur. Any plastic pipes used must be designed for these conditions.
Risk of damage! If the water pressure is higher than 5 bar, a pressure reducer must be fitted in
!
the cold-water supply line.
Caution: The appliance is under pressure. During the heating process, expansion water will
!
drip from the safety valve. If water continues to drip when heating is completed, please inform
your contractor.
Before connecting the storage heater to the water pipe, rinse out the pipe thoroughly to prevent any
foreign objects from entering the storage heater or the safety equipment.
It is recommended to install the storage heater in the way shown in Figure 3.
Risk of damage! The storage heater must always be installed together with an approved
!
diaphragm safety valve.
The safety information given in the installation instructions for the diaphragm safety valve must be
observed.
Regularly check the function of the safety valve.
The safety valve protects the storage heater from excessive increases in pressure. The EWH Basis
storage heaters are fitted with a safety valve without non-return valve as an accessory. The EWH Basis
N wall-mounted storage heaters are fitted with a safety valve with non-return valve as an accessory.
The safety valve must be actuated at regular intervals to prevent it from jamming as a result of
furring (lime deposits).
The dripping-water outlet of the safety valve must always remain open to the atmosphere.
The dripping-water outlet must be connected to a downward-pointing drain pipe which ensures
unobstructed drainage of the water.
Filling: After connecting the storage heater, open the stop valve. Then open the hot-water tap. The
storage heater is full when water is discharged from the hot-water tap.
Then close the outlet tap and check the system for leaks.
Risk of damage! Never connect the storage heater to the electrical power supply without first
!
checking whether the storage heater is actually filled with water.
8

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