Vaillant VRT 350f User Manual

For the operator
Operating instructions
VRT 350f
VRT 350f
GB, IE
Operating instructions

Vaillant VRT 350f Specifications

General

Mounting	Wall-mounted
Modulating	Yes
Display	LCD
Languages	Multiple
Type	Room thermostat
Control Type	Radio Frequency
Compatibility	Vaillant boilers
Power Supply	Batteries
Communication	Wireless
Programmable	Yes

Summary

Notes on the Documentation

Symbols and Signs Used

Explains symbols and signal words used in the document for clear communication and warnings.

Observing Other Applicable Documents

Instruction to follow all enclosed documents for system components for safe and correct operation.

Document Storage

Guidance on storing operating instructions and related documents for future access by operators.

Applicability of Instructions

Specifies the scope and applicability of these operating instructions for the VRT 350f controller.

Safety

Action-Related Warnings

Classifies action-related warnings by danger severity using signal words and symbols for user safety.

Required Personnel Qualifications

Details the qualifications and training needed for operators, emphasizing instruction by a skilled tradesman.

General Safety Information

Provides essential safety guidelines for installation and operation, including risks like scalding and malfunctions.

CE Label

Explains the CE label's significance regarding compliance with relevant EU directives for product safety.

Intended Use and Improper Use

Defines the controller's proper use as a state-of-the-art heating control unit and the consequences of improper use.

Overview of the Equipment

Unit Design

Details the physical design and components of the radio controller and radio receiver unit with diagrams.

Identification Plate

Locates and describes the identification plate on the controller casing for product information.

Serial Number

Explains how to find the serial and article number through the controller's information menu.

Control Function

Explains the controller's role in managing heating and hot water generation based on set parameters.

Frost Protection Function

Details the frost protection function that prevents damage from freezing by monitoring room temperature.

Operating

Operating Structure

Explains the structure of operating levels for users and skilled tradesmen, including access levels.

Menu Structure Design

Details the controller's menu structure with three levels: two selection and one setting level.

Basic Display

Describes the basic display, its information content, symbols for heating modes, and soft key functions.

Selection Levels

Explains navigation through selection levels to read or change settings within the controller's menu.

Setting Level

Details how to select and change values within the setting level of the controller interface.

Operating Concept

Explains the controller's operation using selection buttons and a rotary knob, including basic display operations.

Changing Desired Day Temperature

Provides instructions for changing the desired day temperature for the current day or permanently, and an example for changing the date.

Overview of Setting and Read-out Options

Provides an overview of available operating modes and their settings for the heating system.

Overview of Operating Modes

Lists and describes various operating modes for the heating circuit and hot water generation.

Overview of Operating Levels

Details operating levels, their adjustable values, units, increments, default settings, and current settings.

Operating and Display Functions

Information

Provides access to system status, status messages, skilled tradesman contact details, and serial numbers.

Settings

Allows users to configure desired temperatures, timer programs, language, date/time, display, and offsets.

Setting Desired Temperatures

Explains how to set desired temperatures for heating circuits (day/night) and hot water generation.

Setting Timer Programmes

Enables setting time periods for heating circuit and hot water generation, with an illustration of daily scheduling.

Setting Time Periods for Days and Blocks

Details setting time periods for individual days and blocks of days, and how time periods affect comfort and set-back modes.

Setting Time Programmes Quickly

Provides tips for efficiently setting time programmes for weekdays and weekends.

For the Heating Circuit

Explains setting time periods for the heating circuit in Automatic mode, including start/end time recommendations.

For Hot Water Generation

Explains setting time periods for hot water generation, noting applicability to Automatic/Summer modes and recharge logic.

Days Away from Home Scheduling

Allows setting a period for absence with a specific temperature for frost protection, overriding normal operation.

Language Selection

Explains how to select the controller's display language and the importance of choosing a known language.

Setting the Date

Explains how to set the current date, which affects all date-related controller functions.

Setting the Time

Explains how to set the current time, which affects all time-related controller functions.

Changing Over to Daylight Saving Time

Describes setting automatic or manual daylight saving time changes, noting start and end dates.

Setting the Display Contrast

Explains how to adjust display contrast for better legibility based on ambient lighting.

Setting the Offset Room Temperature

Details adjusting room temperature readings to compensate for sensor differences and ensure accuracy.

Changing Heating Circuit Naming

Allows renaming heating circuits to custom names, limited to 10 characters.

Resetting to Factory Setting

Explains resetting timer programs or all settings to factory defaults, with cautions for 'Everything' reset.

Installer Level

Describes the installer level, protected by a code for essential settings by skilled tradesmen.

Operating Modes

Explains how to select and describes the different operating modes for the heating circuit: Automatic, Summer, Comfort, Set-back, and System OFF.

Modes for Hot Water Production

Describes operating modes for hot water generation, corresponding to heating circuit modes: Automatic, Summer, Comfort, Set-back, System OFF.

Special Operating Modes

Introduces advanced functions like Cylinder boost, Party, and 1 day away from home, which can be activated directly.

Cylinder Boost

Heats hot water once to the desired temperature or until cancelled, returning to the pre-set mode.

Party

Temporarily switches on heating and hot water for events like parties, maintaining desired day temperature.

1 Day Away from Home

Sets a setback temperature for short absences, activating frost protection and hot water off.

Messages

Explains service messages indicating maintenance needs and fault messages for troubleshooting.

Service and Troubleshooting

Cleaning the Controller

Provides instructions for cleaning the controller casing safely with a damp cloth, avoiding abrasive agents.

Detecting and Rectifying Faults

Lists common faults like 'Display is dark' and their causes with remedies, such as changing batteries.

Changing Batteries

Provides a step-by-step guide on how to safely change the controller's batteries.

Decommissioning

Replacing the Controller

Outlines procedures for replacing the controller, requiring system shutdown and skilled tradesman.

Recycling and Disposal

Provides guidance on recycling the controller and packaging, and proper disposal of batteries.

Guarantee and Customer Service

Warranty

Details warranty conditions, requiring installation by a qualified engineer according to instructions.

Customer Service

Provides contact information for Vaillant Service Solutions and recommends maintenance agreements.

Technical Data

Control

Lists technical specifications for the controller, including power supply, protection class, temperature, and dimensions.

Radio Receiver Unit

Lists technical specifications for the radio receiver unit, including power supply, current consumption, protection, and range.