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Vaillant VUW EXP 242/3-5 User Manual

Vaillant VUW EXP 242/3-5
56 pages
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Table of Contents

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Vaillant VUW EXP 242/3-5 Specifications

General IconGeneral
TypeCombi Boiler
Fuel TypeNatural Gas / Propane
Output Power24 kW
DHW Output24 kW
Min. gas pressure Natural Gas17 mbar
Max. flow temperature85 °C
DHW temperature range35 - 65 °C
DHW flow rate at ΔT 30K11.5 l/min
Electrical supply230 V / 50 Hz
Electrical power consumption150 W
Protection classIPX4D
Max. working pressure3 bar
Weight34 kg

Summary

Appliance Characteristics and Recommended Accessories

Appliance Characteristics

Vaillant atmoTEC plus/turboTEC plus are compact gas wall-mounted boilers with integrated water heating.

Recommended Accessories

Vaillant offers various controller models for atmoTEC plus/turboTEC plus.

Notes on the Documentation

Storage of Documents

Store operating manual and all related documents for future reference.

Symbols Used

Observe safety instructions and important information symbols in this manual.

Type Designation and Type Plate

Type designation is on the factory-fitted plate on the lower side of the device.

Safety

Emergency Procedures and Safety Instructions

Emergency procedures for gas leaks and general safety rules including risks of explosion, poisoning, and suffocation.

Installation, System Pressure, and Frost Protection

Guidelines for installation, checking system pressure, emergency power, leaks, and frost protection.

Instructions on Operation

Intended Use, Site Requirements, Care, and Disposal

Details on intended use, installation site requirements, cleaning, and proper recycling of the appliance.

Energy Saving Tips and Temperature Management

Tips for energy saving, room temperature control, operating modes, uniform heating, and thermostat usage.

Ventilation, Hot Water, and Water Consumption

Ventilation techniques, appropriate hot water temperature, and energy-conscious water use.

Warm Start Function for Hot Water

Setting the hot water start function for immediate hot water supply.

Operation and Control Elements

Digital Information System and Control Overview

Using the digital system for status information and overview of control panel functions.

Pre-Commissioning Measures and Start-up

Steps before commissioning, opening valves, checking pressure, and appliance start-up.

Hot Water Preparation and Heating Mode Settings

Hot Water Preparation: Temperature and Warm Start

Setting hot water temperature, and activating/deactivating the warm start function.

Drawing Hot Water and Heating Mode Adjustments

Procedure for drawing hot water and setting heating mode, including flow temperature.

Heating Mode Settings and Status Displays

Flow Temperature and Summer Mode Settings

Setting flow temperature with/without controller and switching off heating mode.

Room Thermostat Settings and Status Displays

Setting thermostats/compensators and understanding appliance status displays.

Status Codes and Troubleshooting

Status Codes Explanation

Explanation of important status codes displayed by the appliance.

Troubleshooting Common Faults

Troubleshooting common problems with the gas wall boiler, including lack of water.

Ignition, Exhaust, and Refilling Procedures

Ignition Faults and Exhaust Channel Issues

Resolving ignition failures and troubleshooting exhaust gas channel issues.

Refilling the Heating System

Procedure for refilling the heating system with water and checking pressure.

Decommissioning and Frost Protection

Decommissioning the Appliance

Procedure for safely shutting down the gas wall boiler.

Frost Protection Functionality

Information on frost protection functions for the appliance and system.

Frost Prevention and Maintenance

Frost Prevention by Emptying

Protecting the system from frost by draining it and the appliance.

Maintenance and Customer Service

Importance of annual inspections, maintenance, and service agreements.

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