Operation; Operating Concept; Basic Display; Adjustment And Display Levels - Vaillant ecoFIT sustain 618 Operating Instructions Manual

4

Operation

4.1

Operating concept

Operator Function
control
element
–
Setting the hot water temperature
–
Cancelling the activation of an operating
mode
–
Cancelling a change to a set value
–
Going one selection level higher
–

Setting the heating flow temperature

–
Reading the system pressure
–
Activating the comfort mode
–
Activating the operating mode
–
Confirm setting
–
Going one selection level lower
–
Calling up the menu
+ at
the same
time
–
Reducing or increasing the set value
or
–
Scrolling through menu entries
The current function of the
the display.
Adjustable values are always displayed as flashing.
You must always confirm a change to a value. Only then is
the new setting saved. You can press
ure at any time.
4.2

Basic display

50
The basic display shows the current condition of the product.
If you press a selection button, the activated function is dis-
played in the display.
The functions that are available depend on whether a con-
troller is connected to the product.
You can switch back to the basic display by:
–
Pressing to exit the selection levels
–
Not pressing any button for longer than 15 minutes.
If there is an error message present, the basic displays
switches to the error message.
0020277253_00 ecoFIT sustain Operating instructions
and buttons is shown in
to cancel a proced-
4.3

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.
4.4

Cabinet-type casing

Enclosing the product in cabinet-type casing requires compli-
ance with the applicable design instructions.
If you require cabinet-type casing for your product, consult
a heating specialist company. Never, under any circum-
stances, enclose the product yourself.
4.5

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 isolator cock fully.
3. Open the service valves in the heating installation's flow
and return.
Applicability: Product with connected domestic hot water cylinder
▶
Open the cold water stop valve.
4.6

Starting up the product

▶
Only start up the product once the casing has been com-
pletely closed.
4.7

Switching on the product

▶
Switch on the product via the main switch installed on-
site.
4.8 Setting the heating flow temperature
1.
Press ( ).
◁
The target value of the heating flow temperature
appears on the display.
Note
The competent person may have adjusted
the maximum possible temperature.
Conditions: No controller connected
▶
Use or to set the required heating flow temperat-
ure.
▶
Confirm by pressing
Conditions: Controller connected
▶
Set the maximum possible heating flow temperature on
the product.
▶
Confirm by pressing
▶
Set the required heating flow temperature on the control-
ler (→ Controller operating instructions).
Operation 4
.
.
7