Document storage ▶ Store the enclosed operating instructions and all other applicable documents in such a way that they are avail- able whenever required and for any subsequent operat- ors of the system. Operating instructions VRT 350f 0020131979_00...
Risk of minor personal injury – General safety information – Function and location of safety devices on Caution. the system Risk of material or environmental damage – Operation of the unit – Energy-saving operation – Maintenance operations 0020131979_00 VRT 350f Operating instructions...
▶ Ensure that any faults and damage that may negatively The CE label documents that the controller com- affect safety are rectified immediately. plies with the fundamental requirements of the relevant dir- ectives. Operating instructions VRT 350f 0020131979_00...
Safety 2 – observance of accompanying operating, installation and Intended use servicing instructions for the Vaillant product as well as State-of-the-art for other parts and components of the system – compliance with all inspection and maintenance condi- The controller is a state-of-the-art unit manufactured in tions listed in the instructions.
Overview of the equipment Right-hand selection Rotary knob button Left-hand selection button Unit design Radio receiver unit Radio controller Wall-mounting base Display Diagnostics socket Diagnostics socket 4 Teach-in button Wall-mounting base 4 Wall-mounting base cover Operating instructions VRT 350f 0020131979_00...
Vaillant diagnostics software and the Vaillant Internet communication system for remote dia- gnostics and remote settings. Control function The controller controls the Vaillant heating system and hot 3.4.2 Hot water generation water generation of a connected domestic hot water cylin- der.
Via a menu structure, you can access configurable or read-only values. 4.1.2 Access level for the skilled tradesman The skilled tradesman will set further values for the heating installation via the access level for the skilled tradesman. Operating instructions VRT 350f 0020131979_00...
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At this point, you have not – the current function of the left-hand selection button changed any settings. Only if you press one of the selec- may differ. 0020131979_00 VRT 350f Operating instructions...
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This is the case, for example, in Summer mode. As heating is not operational in Summer mode, and therefore the heating circuit is off, there is no desired temperature. Operating instructions VRT 350f 0020131979_00...
In the display, a request appears asking if you wish to that time, the display shows dashes (--) instead change the Desired day temperature for only the current of figures. day or on a permanent basis. 0020131979_00 VRT 350f Operating instructions...
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Back (to go back to the previous level), the right-hand se- lection button has the function Select (to select the highlighted menu option). Operating instructions VRT 350f 0020131979_00...
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The controller is now in the Date setting level. The value for the day is highlighted. The left-hand selec- tion button now has the function Back (to go back to the previous level), the right-hand selection button has the function Change (the value). 0020131979_00 VRT 350f Operating instructions...
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10. If the highlighted value that is flashing is correct, press Cancel the right-hand selection button OK again. ◁ The left-hand selection button now has the function 8. Turn the rotary knob to change the value. Back. Operating instructions VRT 350f 0020131979_00...
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Operating 4 11. Press the left-hand selector button Back repeatedly to revert back to the previous level and to access the basic display from selection level 1. 0020131979_00 VRT 350f Operating instructions...
System OFF (Frost protection active) Not active System OFF (Frost protection) Advanced function Cylinder boost Active, Not active Not active Party function Active, Not active Not active 1 day away from home Active, Not active Not active Operating instructions VRT 350f 0020131979_00...
Auto day temp to Current value hr:min away from Current value dd.mm.yy away to Current value dd.mm.yy Information → Contact details → Installer phone number Current values Information → Serial number → Appliance number Permanent value 0020131979_00 VRT 350f Operating instructions...
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22:00 Mo - Su Sa: 07:00-23:30 Su: 07.00-22.00 Time period 1: Start - End 00:00 24:00 hr:min 10 min Time period 2: Start - End Time period 3: Start - End Days away scheduling → Operating instructions VRT 350f 0020131979_00...
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Time 00:00 24:00 hr:min 10 min 00:00 Daylight saving Off, Auto Basic settings → Display → Display contrast Basic settings → Offset → K Room temperature -3,0 Basic settings → Set heating circuit name → 0020131979_00 VRT 350f Operating instructions...
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Setting Min. Max. HEATING 1 Letter, A to Z, 0 to 9, space HEATING 1 number Basic settings → Factory reset (reset) → Time programmes Yes, No Everything Yes, No Installer level → Enter code Operating instructions VRT 350f 0020131979_00...
All other values are set in other places in the ler, which the competent person may require you to tell menu structure, as described in the following sections. him. The article number is found in the second line of the serial number. 0020131979_00 VRT 350f Operating instructions...
You can set the desired Hot water circuit temperature for heating circuit. the hot water circuit. – The desired day temperature is the temperature you wish to have in the rooms during the day or when you are at home (Comfort mode). Operating instructions VRT 350f 0020131979_00...
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The Time programmes function can be used to set the time period for the heating circuit and hot water generation. If you have not set any time periods, the controller uses the time periods set in the factory settings. 0020131979_00 VRT 350f Operating instructions...
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If you view a block in the display and have defined a differ- Monday - Friday ent period for a day in this block, then the display indicates Period 1: 06:30 - 08:00 the different times in the block with !!. Operating instructions VRT 350f 0020131979_00...
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Outside this time period, the controller Set the time periods for hot water generation so that each switches to the set-back mode and the heating circuit time period: 0020131979_00 VRT 350f Operating instructions...
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During installation, the skilled tradesman 2. Press the left-hand selection button again. sets the desired language. All functions are 3. Rotate the rotary knob clockwise until the dotted line displayed in the set language. appears. Operating instructions VRT 350f 0020131979_00...
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One room thermometer constantly shows a temperature that is one degree higher than the current room temperat- – Auto: The controller automatically changes over to day- ure on the controller display. With the Room temperature light saving time. 0020131979_00 VRT 350f Operating instructions...
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Date/Time, are not affected. tings. While the controller is resetting the timer program settings to the default settings, In process is shown on the display. The basic display is then displayed. Operating instructions VRT 350f 0020131979_00...
– The heating function is switched off. The frost protection 5.3.1.2 Summer mode function is activated. Operating mode → Summer mode – The heating function is switched off for the heating cir- cuit and the frost protection function is active. 0020131979_00 VRT 350f Operating instructions...
Operating mode. ation. If you have not set any time periods, the controller uses the time period set in the factory settings for hot wa- ter generation. Operating instructions VRT 350f 0020131979_00...
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Day temperature, in accordance with the set time periods. If the display shows Party function active, you can use the rotary knob to set the desired Day temperature for the heating circuit. 0020131979_00 VRT 350f Operating instructions...
5.5.2 Fault message tion. If a fault occurs in the heating installation, the controller ▶ If the controller displays a service mes- displays a fault message in the display. sage, inform a skilled tradesman. Operating instructions VRT 350f 0020131979_00...
Back then the basic display appears again. You can also read current fault messages under Menu → Information → System status → Status. As soon as a fault 0020131979_00 VRT 350f Operating instructions...
No changes in the – If the fault is display via the still present, selection buttons inform the com- petent person Control Wall-mounting base Pull the controller (1) upwards and off the wall-mounting base (2). Operating instructions VRT 350f 0020131979_00...
The controller and the associated transport packaging con- sists largely of recyclable materials. Appliance If your Vaillant unit is identified with this symbol, it 4. Make sure the battery poles are the right way round. does not belong with your household waste at the end of its useful life.
Warranty Level of protection IP 20 Protection class We only grant a Vaillant manufacturers warranty if a suit- ably qualified engineer has installed the system in accord- Max. permissible ambient temper- 50 ℃ ance with Vaillant instructions. The system owner will be...
Max. permissible ambient temper- 50 ℃ ature Transmission frequency 868 MHz Transmission power < 10 mW Range outdoors > 100 m ≈ 25 m Range indoors Height 115 mm Width 147 mm Depth 50 mm 0020131979_00 VRT 350f Operating instructions...
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