MTD ERV 350, ERV 365 manual Use of the Switches Option, Service by the User

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2.4Use of the Switch(es) (Option)

Leave the MTD-ERV 350 at the highest position for some time after cooking and showering to remove excess moisture and odours as quickly as possible.

If several position switches are installed in the apartment, the MTD-ERV 350 adjusts as far as the ventilation is concerned to the highest ventilation position unless other values are set in an automatic software control.

2.4.1 Setting Ventilation Using 3-position Switch(es)

A 3-position switch allows 3 ventilation levels to be set.

•Position 1  Low.

-Use for a low ventilation requirement.

•Position 2  Normal.

-Use for a normal ventilation requirement.

•Position 3  High.

-Use this level during cooking, showering and when additional ventilation is re- quired.

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The CC Ease operating unit allows an additional ventilation level, the absence level, to be set in addition to these 3 ventilation levels. For further information, see section 2.3.3.

2.4.2 Setting Ventilation Using Bathroom Switch(es)

A bathroom switch allows the MTD-ERV 350 to be temporarily set to the highest ventilation level (position 3):

•Actuate the bathroom switch for maximum ventilation.

•Actuate the bathroom switch again to return to the normal (or previously set) ventilation level.

You can set an activation and deactivation delay for the bathroom ventilation control in P menus P21 and P22. For further information, see section 2.3.7.

The bathroom ventilation control can also be integrated into the bathroom light switch.

2.5Service by the User

As user you have to service the MTD-ERV 350 as follows:

•Clean or replace the filters.

•Clean the valves (in the home).

These measures are described in more detail briefly in the following sections.

If these measures are not performed (regularly), there is a danger that the ComfoAir 350 will cease to function correctly.

Instructions for the User 13