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Vaillant ecoVIT exclusiv VKK 366-4 Manual

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Operation 4
0020258609_00 ecoVIT exclusiv Operating instructions 7
3.4 Frost protection function
The product is equipped with a frost protection function.
If the heating flow temperature falls below 5 °C when the
main switch is on, the product starts up and heats the cir-
culating water to approx. 30 °C.
Caution.
Risk of material damage due to frost.
The frost protection function cannot guaran-
tee flow through the entire heating installa-
tion, which means that parts of the heating
installation may freeze and therefore become
damaged.
▶ During a period of frost, ensure that the
heating installation remains in operation
and that all rooms are sufficiently heated,
even when you are away.
▶ Consult a competent person about this.
3.5 Type designation and serial number
The type designation and the serial number are located on a
sticker below the control panel behind the front flap.
The data plate can only be seen by the competent person.
▶ Open the front flap. (→ Page 5)
▶ Read off the type designation and the serial number from
the sticker.
3.6 CE label
 
The CE label shows that the products comply with the basic
requirements of the applicable directives as stated on the
identification plate.
The declaration of conformity can be viewed at the manufac-
turer's site.
4 Operation
4.1 Adjustment and display levels
The product has two adjustment and display levels.
The end user level contains information and setting options
that you require as the end user.
The installer level is reserved for the competent person. It is
protected by a code. Only competent persons may change
any settings in the installer level.
4.2 Starting up the product
4.2.1 Opening the isolator devices
1. Ask the competent person who installed the product to
explain to you where these isolator devices are located
and how to handle them.
2. Open the gas stopcock fully.
3. Check that the heating installation flow and return
service valves are open, if such service valves are
installed.
4. If a domestic hot water cylinder is connected, open the
cold-water isolation valve. To check, you can turn on a
hot water tap and see whether water is escaping there.
4.2.2 Switching on the product
1
2
1 Main switch 2 Display
1. Use the main switch (1) to switch on the product.
◁ 1: "ON"
◁ When the main switch is in position 1, the product is
switched on and the standard display for the Digital
Information and Analysis System is shown in the
display. The function menu is immediately shown
in the display once the product has been switched
on. The function menu enables competent persons
to control how the individual actuators work. The
product returns to normal operating mode after a
waiting period of approximately five seconds or if the
− button is pressed.
2. Set up your product according to your needs.
… 7 …


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Others manual(s) of Vaillant ecoVIT exclusiv VKK 366-4

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