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Operating Instructions; Unit Description; The Most Important Points In Brief; Hot Water Output - AEG MTH 350 Operating And Installation Instructions

Hydraulically controlled, open small instantaneous with bare-wire heating system
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for the user and the qualified installer
1.

Operating instructions

1.1

Unit description

The MTH hydraulically controlled open (non pressure-type) small-instantaneos water heater is designed to
heat water for one draw off point. When the draw-off fitting is opened, the heating capacity switches on
automatically and the water is heated. The hot water output is dependent on the cold water temperature, the
heating capacity, and the flow rate.
1.2

The most important points in brief

Temperature adjustment is effected using the fitting:
– To increase the temperature, restrict the flow rate a little.
– For low temperatures, increase the flow rate or mix in cold water.
1.3

Hot water output

Type
MTH 350
MTH 440
MTH 570
* The built-in automatic flow regulation provides a constant flow rate. Temperature increase of about 5 K.
1.4

Safety instruction

In the case of temperature selection, water temperatures of over 60 °C can be reached at the hot water
!
outlet. Small children should therefore be kept away from the hot water outlets.
Danger of scalding!
1.5

Important notes

If the water feed of the MTH has been interrupted - e.g. because of the danger of frost or work on the
!
water pipe, the following steps must be taken before the unit is brought back into operation:
1. Remove or switch off fuses.
. Open a tap downstream of the unit until the unit and the cold water feed pipe are free of air.
3. Replace or switch on fuses again.
The small-instantaneous water heater must not be connected to any pressure. Never close off the fitting out-
let and do not use an aerator or a hose with a jet regulator. Furring can close off the outlet and thus cause
the small-instantaneous water heater to be under pressure.
It is important that only the enclosed jet regulator is used.
1.6

Maintenance and care

Maintenance work, such as for example checking the electrical safety, may only be carried out by a quali-
fied installer.
A damp cloth is sufficient for care of the unit. Do not use any abrasive or corrosive cleaning agents.
Please de-scale or replace the enclosed jet regulator „SR" regularly:
MTH 350 / MTH 440: SR 3 Order.-No. 14 35 0
MTH 570: SR 5 Order.-No. 7 05 8
Scale built up (furring) can close off the outlet and impair (or even destroy) the appliance.
1.7

First actions to be taken in the event of malfunction

... First actions to be taken in the event of malfunction „Please look up: „3. Fault finding by the user"
page 15.
In the event of maintenance and possibly repair work please inform the qualified installer of the data on the
identification plate (
Model:
MTH . . .
F-Nr:
. . . . . . . .
1.8

Operating and installation instructions

Keep these instructions carefully and pass them on to your successor in the event of a change in ownership,
in the event of maintenance and possible repair work they should be passed to the qualified installer for his
attention.
1
Output by 230 V
3,5 kW
4,4 kW
5,7 kW
A
1):
E-Nr:
. . . . . .
hot water output*
2,0 l/min
2,5 l/min
3,3 l/min

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This manual is also suitable for:

Mth 440Mth 570