Vaillant VRT 340f Specification sheet

For the owner and heating engineer
VRT 340f
Operating and Installation Manual
VRT 340f
Room temperature thermostat
GB

2
Contents
Operating and installation manual VRT 340f
Contents
Notes on the documentation . . . . . . 4
Storage of the documents.................... 4
Symbols used........................................... 4
Safety . . . . . . . . . . . . . . . . . . . . . . . . . 5
Operating manual. . . . . . . . . . . . . . . . 6
1 Overview of the equipment . . . . . 6
2 Overview of the display . . . . . . . 7
3 Description of the appliance . . . 8
4 Operation. . . . . . . . . . . . . . . . . . . 8
4.1 Setting the operating modes ...... 9
4.2 Setting the current day and
time ................................................... 12
4.3 Setting the heating times ............ 13
4.4 Setting the room temperature ... 15
4.5 Activating special functions........ 16
4.6 Info level........................................... 18
4.7 Changing the battery.................... 19
5 Manufacturer’s warranty and
liability . . . . . . . . . . . . . . . . . . . .20
6 Recycling and disposal. . . . . . . . 21

3Operating and installation manual VRT 340f
Contents
GB
Installation instructions . . . . . . . . . .22
7 Notes on the installation and
operation . . . . . . . . . . . . . . . . . . .22
7.1 CE label............................................. 22
7.2 Intended use.................................... 23
8 Safety instructions and
regulations . . . . . . . . . . . . . . . . .24
8.1 Safety instructions ........................ 24
8.2 Regulations...................................... 25
9 Installation . . . . . . . . . . . . . . . . .25
9.1 Place of installation....................... 25
9.2 Fitting the receiver........................ 26
9.3 Mounting the room temperature
thermostat....................................... 27
10 Electrical installation. . . . . . . . .28
10.1 Connecting the receiver............... 29
11 Start-up. . . . . . . . . . . . . . . . . . . .29
11.1 Installer level................................... 31
11.2 Service/diagnostics level.............. 34
11.3 Handing over the appliance
to the owner.................................... 36
12 Troubleshooting . . . . . . . . . . . . . 37
13 Technical data. . . . . . . . . . . . . . .38
14 Vaillant Service . . . . . . . . . . . . .39

4Operating and installation manual VRT 340f
Notes on the documentation
The following information is intended to
help you throughout the entire
documentation.
Other documents apply in combination
with this installation and operation
manual.
We accept no liability for any damage
caused by failure to observe these
instructions.
Storage of the documents
Please pass on this operating and
installation manual to the owner of the
system in order for him/her to store it so
that it is available whenever it is
required.
Symbols used
Please observe the safety instructions in
this manual for the installation of the
appliance.
Danger!
Immediate risk of serious injury
or death
Caution!
Potentially dangerous situation
for the product and environment.
Notes on the documentation

5GBOperating and installation manual VRT 340f
Note!
Useful information and
instructions.
• Symbol for a necessary task
Safety
The room temperature thermostat must
be installed by a suitably qualified
heating engineer, who is responsible for
adhering to the existing standards and
regulations.
We accept no liability for any damage
caused by failure to observe these
instructions.
Notes on the documentation, safety

6Operating manual VRT 340f
Operating manual
1 Overview of the equipment
1
2
Abb. 1.1 Overview of equipment
Key
1 Display
2 Dial (turn and click)
I Info button
F Special functions button
P Programming key/installer level
1 Overview of the device

7GBOperating manual VRT 340f
2 Overview of the display
4
1
2
3
5
6
7
8
9
10
Fig. 2.1 Overview of the display
Key
1 Installer level and service/diagnostics level
2 Info level
3 Timer programming
4 Time/temperature display
5 Days of the week
6 Actual temperature
7 Operating modes
8 Special functions
9 Heating circuit symbol
10 Hot water symbol
Overview of the display 2

8Operating manual VRT 340f
3 Description of the
appliance
The VRT 340f is a room temperature
thermostat with a weekly heating
program for connecting to modulating
Vaillant boilers. The connection between
the room temperature thermostat and
the heating unit is by radio.
The VRT 340f enables you to specify the
room temperature using heating
programs. In addition, you can set the
special functions, such as the party
function, as well as the time control of a
hot water storage.
4 Operation
The operating principle is based on the
three buttons and an dial (Vaillant "turn
and click“ operating concept).
The display normally shows the current
operating mode (e.g. and ), or, if
activated, the respective special function
and the current room temperature, the
day of the week, the time and the
heating circuit symbol, if heating is
required.
3 Device description, 4 Operation

9GBOperating manual VRT 340f
4.1 Setting the operating modes
Table 4.1 provides you with an overview
of the operating modes you can select.
• When the room temperature
thermostat is in normal display mode.
press the dial once – the symbol for
the selected mode flashes in the
display.
• Turn the dial until the desired
operating mode appears on the
display.
The display switches back to normal
mode after five seconds.
Operation 4

10 Operating manual VRT 340f
Symbol Meaning
Heating Hot water
Automatic:
The operation of the heating circuit
changes between the operation modes
Heating and Energy Saving in
accordance with the time programme set
on the room temperature thermostat.
The operation of the hot water storage
cylinder changes between heating up and
OFF according to the time programme set
on the regulator.
The hot water symbol is displayed if the
time window is active.
Heating:
The heating circuit is operated according
to the room temperature, regardless of the
programme set on the room temperature
thermostat.
Energy Saving:
The heating circuit is operated according
to the energy saving temperature "ECO“,
regardless of the programme set on the
room temperature thermostat.
4 Operation

11GBOperating manual VRT 340f
Symbol Meaning
Heating Hot water
Off:
Off:The heating circuit is off, provided that
the frost protection function (if the room
temperature is below 5°C) is not activated.
The boiler is not heated up, regardless of
the set timer programme. The hot water
symbol is not displayed.
Table 4.1 Operating modes
Operation 4

12 Operating manual VRT 340f
4.2 Setting the current day and
time
To set the current time and day of the
week with the display in normal mode,
you must perform the following steps:
• Press the dial until a day of the week
starts flashing.
• Turn the dial until you see the current
day of the week.
MO = Monday
TU = Tuesday
WE = Wednesday
TH = Thursday
FR = Friday
SA = Saturday
SU = Sunday
• Press the dial. The hours start flashing.
• Turn the dial until the required hour is
displayed.
• Press the dial. The minutes start
flashing.
• Turn the dial until the required minutes
are displayed.
The display switches back to normal
mode after five seconds.
If the calendar is activated on the
installer level, you can set the day,
month and year in the same way after
you set the time. This allows automatic
switching from winter to summer time.
4 Operation

13GBOperating manual VRT 340f
4.3 Setting the heating times
The room temperature thermostat is
equipped with a basic program (see table
4.2).
Time
window
Current day /
Block of days
Start
time
End
time
H 1 M0-FR 6:00 22:00
H 2 — — —
H 3 — — —
H 1 SA 7:30 23:30
H 2 — — —
H 3 — — —
H 1 SU 7:30 22:00
H 2 — — —
H 3 — — —
Table 4.2 Default basic programme - heating
You can adapt the default basic
programme to suit your needs.
There are five steps to setting the times
you want.
1. Press the programming button P
2.Select the timer programme (heating
or hot water).
3.Select the time window
4.Select the current day or week block
5.Set the start time.
6.Set the end time.
You can define three time windows for
each day.
Operation 4

14 Operating manual VRT 340f
For clarification, the individual steps are
shown again in the following table:
Display Required steps
Press the programming
button P. The cursor (black
triangle) marks the value
which can be changed ( ),
which also flashes.
Turn the dial until the tap
symbol appears.
Press the dial. The cursor
marks the value which can
be changed (H1), which also
flashes.
Select the desired time
window by turning the dial.
Settings: H1, H2, H3
Display Required steps
Press the dial. The cursor
marks the week block
display, which also flashes.
Select a block programme
or a single day of the week
by turning the dial.
Settings:
MO - SU
MO - FR
SA - SU
MO = Monday
TU = Tuesday
WE = Wednesday
TH = Thursday
FR = Friday
SA = Saturday
SU = Sunday
4 Operation

15GBOperating manual VRT 340f
Display Required steps
Press the dial. The cursor
marks the start time and the
hour display flashes.
Select the start time by
turning the dial. Press
the dial again to set the
minutes.
Press the dial. The cursor
marks the end time and the
hour display flashes.
Select the end time by
turning the dial. Press
the dial again to set the
minutes.
Table 4.3 Setting time windows
If necessary, you can switch the room
temperature thermostat from the week
programme to a daily programme.
• With the display in normal mode, press
the F button for about 10 seconds.
When you programme time windows,
days of the week will no longer be
displayed.
4.4 Setting the room temperature
The current room temperature is shown
in the basic display.
You can set the room temperature
directly from the basic display.
You can also set or change the set-back
temperature "ECO“ in the basic display.
Operation 4

16 Operating manual VRT 340f
Setting the required room temperature
directly
• Turn the dial (with the display in
normal mode).
The set temperature display disappears,
the sun symbol is displayed in the
operating mode level and the set room
temperature is displayed in the multi-
function level (e.g. TEMP 20 °C).
• You can set the required room
temperature directly (after about 1
second) to the desired value by turning
the dial.
The display switches back to normal
mode after five seconds.
Setting the set-back temperature
"ECO“
• Press the dial several times until ECO
appears in the multifunction display
along with a set value.
The set-back temperature is displayed
and starts flashing.
• Turn the dial until the required set-
back temperature is displayed (e.g.
ECO 15,0 °C).
The display switches back to normal
mode after five seconds.
4.5 Activating special functions
You can access the special functions
using the F button. You can activate the
following functions:
4 Operation

17GBOperating manual VRT 340f
Display Required steps
Quick veto
The quick veto function
allows you to adjust the room
temperature for a short time
(until the next time window).
Press the special function
button F - the quick veto
symbol appears in the display
along with the quick veto room
temperature.
Turn the dial until the quick
veto temperature you want is
displayed. The display switches
back to basic mode after 10
seconds and the function is
activated. To deactivate the
function, all you need to do is
press the F button.
Display Required steps
Party function
When you activate the party
function the heating phase is
continued beyond the next set-
back phase. Press the special
function button three times
- the party symbol flashes in the
display for ten seconds and the
function is activated.
The function is deactivated
automatically by reaching the
next heating phase.
If you want to deactivate the
function before, just press the F
button. This function can only be
activated in automatic mode .
Operation 4

18 Operating manual VRT 340f
Display Required steps
Holiday function
The holiday function deactivates
the controller, but not the frost
protection function. Press the
special function button three
times - the holiday function
symbol flashes in the display.
Turn the dial until the required
number of day's holiday
appears. After 10 seconds the
function is activated and the
mode is set to OFF for the
selected period (see 4.1).
If you want to deactivate the
function before, just press the
F button.
Table 4.4 Special functions
4.6 Info level
Press the info button to access the info
level. The info symbol appears in the
display as soon as you open the info
level. Each time you press the button,
different information is displayed:
- The name of the room temperature
thermostat (VRT 340f )
- The quick veto room temperature
(if active)
- The required room temperature
(e.g. TEMP 20.0 °C)
- The current set-back temperature
(e.g. ECO 15.0 °C)
4 Operation

19GBOperating manual VRT 340f
- The day/month/year (if the calendar is
activated)
- The timer programmes set for heating
(every single time window per day)
4.7 Changing the battery
The regulator checks the battery
condition itself, and the normal working
life of the battery is approx. 1.5 years.
Approx. 4 weeks before the battery is
fully discharged BATT appears in the
multifunction display of the basic display.
The battery chamber is located on the
back of the regulator.
The regulator must be taken off the wall
plinth to change the battery.
• Carefully push the locking hook to the
side using a screwdriver (Fig. 4.1) and
pull the regulator off towards the
front.
Fig. 4.1 Releasing the locking hook
Operation 4

20 Operating manual VRT 340f
• The batteries can now be changed
(2x AAA-LR03; Fig. 4.2). Make sure
that the polarity of the batteries is
correct.
Fig. 4.2 Changing the batteries
If the batteries are not changed in time,
the regulator switches over to operating
mode "Heating" , to prevent the
installation from freezing up.
5 Manufacturer’s warranty
and liability
Vaillant warranty
We only grant a Vaillant manufacturers
warranty if a suitably qualified engineer
has installed the system in accordance
with Vaillant instructions. The system
owner will be granted a warranty in
accordance with the Vaillant terms and
conditions. All requests for work during
the guarantee period must be made to
Vaillant Service Solutions
(0870 060 777).
4 Operation, 5 Works guarantee and liability