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Vaillant VWL 57/5 IS User Manual

Vaillant VWL 57/5 IS
72 pages
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en Operating instructions
en Installation and maintenance
instructions
Hydraulic station
VWL 57 ... 127/5 IS
Publisher/manufacturer
Vaillant GmbH
Berghauser Str. 40
D-42859 Remscheid
Tel. +492191180
Fax +492191182810
info@vaillant.de
www.vaillant.de

Table of Contents

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Vaillant VWL 57/5 IS Specifications

General IconGeneral
TypeAir-to-water heat pump
Heating capacity5.7 kW
Energy Efficiency Class (Heating)A++
Energy Efficiency Class (Cooling)A+
RefrigerantR410A
Noise Level (Indoor Unit)Not applicable (outdoor unit)
Weight (Indoor Unit)Not applicable (outdoor unit)
Dimensions (Indoor Unit)Not applicable (outdoor unit)

Summary

Safety

Action-related warnings

Classification and explanation of warning signs and signal words.

Intended use

Defines the product's purpose and allowed combinations.

General safety information

Covers risks from qualifications, weight, safety devices, electric shock, installation surface, and malfunctioning.

Product description

Safety devices

Explains functions like frost protection, low-water pressure, freeze protection, and pump blocking.

Control panel

Describes the display elements and their functions.

Application limits

Defines operating limits for heating, DHW and cooling modes.

Operation

Adjusting the target cylinder temperature

Details how to set the domestic hot water temperature safely.

Checking the filling pressure in the heat pump circuit

Explains how to check and maintain correct heating circuit pressure.

Switching off the product's functions

Covers frost protection, summer mode, and DHW generation shutdown.

Care and Maintenance

Reading maintenance messages

How to interpret maintenance indicators and comfort protection mode.

Checking the system pressure

Details how to check and maintain system pressure.

Troubleshooting

Reading fault messages

Explains how fault messages are displayed and prioritized.

Detecting and eliminating faults

Guidance on checking and resolving issues using a table.

Decommissioning

Recycling and Disposal

Set-up

Selecting the installation site

Criteria for choosing a suitable installation location.

Minimum clearances and installation clearances

Specifies required space around the unit for access and safety.

Hydraulics installation

Carrying out the installation preparations

Pre-installation steps including component installation and system flushing.

Routing refrigerant pipes

Guidance on handling and routing refrigerant pipes.

Connecting the refrigerant pipes

Detailed steps for connecting refrigerant pipes safely.

Checking the refrigerant pipes for tightness

Procedures to ensure the refrigerant circuit is leak-tight.

Electrical installation

Preparing the electrical installation

Safety precautions and requirements before electrical work.

Establishing the power supply

Guides through connecting power supply for 230V and 400V systems.

Installing components for the energy supply company lockout function

Instructions for connecting external controls for power limitation.

Carrying out the wiring

General instructions for performing wiring tasks safely.

Start-up

Activating screed drying without the outdoor unit and system control

Procedure for activating screed drying function without external controls.

Activating the screed drying

Steps to activate and configure the screed drying process.

Filling and purging the heating installation

Detailed steps for filling and purging the heating system.

Starting up the product

Basic steps to start the heat pump system after installation.

Running the installation assistants

Guides through setting language, competent person number, and ending the assistant.

Enabling the electric back-up heater

How to activate and set the output for the electric back-up heater.

Setting the anti-legionella function

How to configure the anti-legionella function for safety.

Carrying out the actuator test

How to test individual components for proper function.

Checking and treating the heating water/filling and supplementary water

Checking the quality of the heating water

Steps to check heating water quality and identify issues.

Checking the filling and supplementary water

How to measure the hardness of filling and supplementary water.

Treating the filling and supplementary water

Guidelines for treating heating water based on hardness and regulations.

Adapting the unit to the heating installation

Configuring the heating installation

How to adjust parameters after initial installation.

Instructing the end user

Key information to provide to the end user for safe operation.

Troubleshooting

Checking fault codes

How to check and interpret fault codes displayed by the product.

Inspection and Maintenance

Inspection and maintenance information

Defines inspection and maintenance goals and procedures.

Draining

Recycling and disposal

Appendix

Installer level overview

Provides a table of installer-level settings and parameters.

Status codes

Lists and explains various status codes displayed by the product.

Maintenance messages

Explains codes and causes for maintenance messages.

Fault codes

Lists and explains various fault codes and their remedies.

Inspection and maintenance work

Lists required inspection and maintenance tasks with intervals.

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