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Vaillant Solar hot water User Manual

Vaillant Solar hot water
68 pages
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For the installer / owner
Start-up, maintenance and troubleshooting manual, notes for the operator
Solar System and auroSTOR unvented solar
cylinder
Solar hot water systems
GB

Table of Contents

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Vaillant Solar hot water Specifications

General IconGeneral
BrandVaillant
ModelSolar hot water
CategoryWater System
LanguageEnglish

Summary

Notes on the Documentation

Overview of Standards and Safety Instructions

Overview of EU Standards

Lists European standards applicable to thermal solar systems and components.

Regulations in Great Britain

Details UK building regulations and wiring standards for solar installations.

Safety Instructions

Provides essential safety warnings for installation, operation, and maintenance.

System Description

Intended Use

Defines the proper application of the solar system and manufacturer liability.

Design and Function of the Solar System

Explains the four main components and overall system operation.

Solar Collectors

auroTHERM Exclusive Tube Collectors

Details the design and technical specifications of auroTHERM exclusive tube collectors.

VFK 900 Flat Collectors

Details the design and technical specifications of VFK 900 flat collectors.

Collector Disposal

Information on the environmentally friendly disposal of Vaillant solar collectors.

Solar Pump Unit and Associated Components

Solar Pump Unit Design and Components

Details the solar pump unit, water control pack, expansion and protection vessels.

Solar Pump Functionality and Flow Rate Meter

Explains the three-speed pump and the flow rate meter for system optimization.

Solar Fluid, Protection, and Safety Data

Properties of Vaillant Solar Fluid

Provides information on the composition, properties, and usage of Vaillant solar fluid.

Protection of Solar Circuit Against Frost and Corrosion

Guidance on protecting the solar circuit against frost and corrosion using solar fluid.

Frost Protection of the Bivalent Solar Cylinder

Instructions for draining the solar cylinder to prevent frost damage.

Safety Data Sheet for Solar Fluid

Details chemical properties, risks, first-aid, and handling of Vaillant solar fluid.

Solar Cylinder and Control Systems

auroSTOR Solar Cylinder Description

Describes the auroSTOR solar cylinder and its function elements.

Solar Control Functionality and auroMATIC 560

Explains temperature difference control and the auroMATIC 560 controller for solar systems.

Installation Overview and Sequences

Installation Sequence

Outlines the recommended order for installing the solar system components.

Collector Assembly and Pump Unit Installation

Instructions for assembling collectors and installing the solar pump unit.

Scope of Delivery for Solar Components

auroTHERM Exclusive Solar Sets Components

Lists components included in the auroTHERM exclusive solar sets (Mini to Large).

auroTHERM Flat Plate Collector Solar Set Components

Lists components included in the auroTHERM flat plate collector solar set.

auroSTOR Solar Cylinder Components

Lists components included with the auroSTOR solar cylinders (200 S, 250 S, 300 S).

Solar Cylinder Installation

Description of the Solar Cylinder

Details the function elements and connections of the auroSTOR solar cylinder.

Cylinder Sizes, Features, and Control

Describes cylinder sizes, temperature control, immersion heater, and secondary return.

Technical Data of the auroSTOR Solar Cylinder

Provides specifications for cylinder size, pressure, connections, and electrical data.

Solar Cylinder Heat-up Times and Flow Rates

Graphs showing heat-up times for different auroSTOR cylinder sizes and flow rates.

Intended Use and Safety Instructions for Solar Cylinders

Specifies correct usage, safety compliance, and installation site requirements for cylinders.

Solar Cylinder Transport and Dimensions

Provides guidance on transporting the cylinder and its physical dimensions.

Functional Diagram and Piping Installation

Functional Diagram of the Solar System

Illustrates the overall system layout and component interconnections.

Installation of the Solar Circuit Piping

Provides guidelines for ensuring efficient operation and energy utilization in the solar circuit.

Material and Layout of Solar Circuit Pipes

Specifies copper pipes and pipe diameters for optimal flow and minimal pressure loss.

Connection of Collectors to the Solar Pump Unit

Details Vaillant's flexible hose systems for connecting collectors to the solar pump unit.

Circuit Piping and Hot Water Installation

Bleeding the Solar Circuit and Reheating Piping

Explains solar circuit bleeding and reheating piping installation requirements.

Hot Water Pipework Layout and Thermostatic Mixing Valve

Details hot water pipework and setting the thermostatic mixing valve for safety.

Cold Water Supply and Discharge Pipework

Mains Water Supply Pressure Requirements

Specifies minimum pressure and flow rate for optimal cylinder performance.

Cold Water Piping and Water Control Pack Installation

Details pipe diameter and water control pack connection for the cold water supply.

Discharge Pipework Installation

Specifies minimum pipe diameter, resistance, and installation according to regulations.

Discharge Pipework Specifications and Termination

Pipe Diameter and Resistance Tables

Provides tables for discharge pipe resistance and examples for diameter selection.

High Level Termination of Discharge Pipe

Discusses safe termination points for discharge pipes, considering safety and environmental factors.

Electrical Installation

Immersion Heater Wiring and Safety

Details electrical connections for the immersion heater, including safety precautions.

Connecting to the Cylinder Control Device

Explains connecting the cylinder thermostat, thermal cut outs, and motorised valve.

Combination Options of Control Components

Overviews various combinations of boilers, wiring, and control systems.

Wiring Schemes for Control Components

Wiring Scheme 1: eBUS-capable Vaillant Boiler

Illustrates the wiring for a system with an eBUS-capable Vaillant boiler and VR 65.

Wiring Scheme 2 and Sensor Installation

Wiring Scheme 2: Standard Wiring Box

Illustrates wiring for a system with a standard wiring box and third-party controls.

Installation of VR 10 Temperature Sensors

Details the installation of VR 10 sensors into the solar cylinder immersion sleeves.

Solar Pump TCO Connection Diagram

Shows the connection diagram for the solar pump thermal cut out.

Wiring Scheme 3 and Sensor Installation

Wiring Scheme 3: Third-Party Controls

Illustrates wiring for systems with third-party boilers, programmers, and controllers.

Installation of VR 10 Temperature Sensors

Details the installation of VR 10 sensors into the solar cylinder immersion sleeves.

Solar Pump TCO Connection Diagram

Shows the connection diagram for the solar pump thermal cut out.

Wiring Scheme 4 and Sensor Installation

Wiring Scheme 4: Third-Party Boiler and Programmer

Illustrates wiring for systems with third-party boilers, programmers, and VRS 560 control.

Installation of VR 10 Temperature Sensors

Details the installation of VR 10 sensors into the solar cylinder immersion sleeves.

Solar Pump TCO Connection Diagram

Shows the connection diagram for the solar pump thermal cut out.

Wiring Scheme 5 and Sensor Installation

Wiring Scheme 5: Third-Party Boiler and Programmer

Illustrates wiring for systems with third-party boilers, programmers, and VRS 560 control.

Installation of VR 10 Temperature Sensors

Details the installation of VR 10 sensors into the solar cylinder immersion sleeves.

Solar Pump TCO Connection Diagram

Shows the connection diagram for the solar pump thermal cut out.

Start-up Procedure

System Start-up Steps and Solar Circuit Flushing

Outlines the sequence for flushing, filling, setting flow rates, and heating circuits.

Expansion Vessel Admission Pressure Adjustment

Explains how to adjust the expansion vessel pressure based on equipment height.

Setting Flow Rate and Pump Parameters

Collector Circuit Filling Pressure

Details the required filling pressure for the collector circuit.

Setting the Flow Rate and Pump Speed

Guides on adjusting the pump speed to achieve optimal flow rate for collector performance.

Flow Rate Calculation and Hot Water Circuit Filling

Flow Rate Calculation Tables and Controller Programming

Provides tables for flow rate calculation and instructions for programming the controller.

Filling the Hot Water Secondary Circuit

Provides instructions for filling the hot water secondary circuit, including safety warnings.

Thermostatic Mixing Valve and Boiler Start-up

Setting the Hot Water Thermostatic Mixing Valve

Explains how to set the mixing valve for safe hot water temperatures, with scalding warnings.

Filling the Reheating Circuit and Boiler Start-up

Details reheating circuit filling and the procedure for starting up the boiler.

Start-up Protocol and Owner Handover

Start-up Protocol Completion

Instructs to fill in the start-up protocol for system commissioning.

Handing Over the System to the Owner

Provides guidance on instructing the owner about operation, safety, and maintenance.

Inspection and Maintenance Procedures

Maintenance Checklist for the Solar System

Lists annual maintenance tasks for the solar circuit, collectors, control, and cylinder.

Checking Relief Valves and Expansion Vessel

Details manual testing of relief valves and checking expansion vessel charge pressure.

Troubleshooting: Solar Pump and System Operation Issues

Solar Pump Malfunctions

Addresses issues like pump not running, no fluid circulation, and noise.

System Operation Malfunctions

Covers issues like pump starting/stopping repeatedly and low solar gain.

Troubleshooting: System Pressure and Control Issues

System Pressure Drop and Water Leaks

Diagnoses pressure drops, water leaks, and low water pressure from the supply.

Solar Control and Cylinder Malfunctions

Addresses issues with the solar control display, cylinder cooling, and gravity brakes.

Troubleshooting: Reheating and Water Flow Issues

Reheating Not Working or Intermittent

Troubleshoots issues with boiler reheating, air in heat exchanger, and sensor defects.

Cold or Lukewarm Water at Taps

Diagnoses problems with mixed water connections, thermostat settings, and insufficient solar heating.

Water Flow from Relief Valves or Expansion Vessel

Addresses water discharge from relief valves due to dirt, defective valves, or pressure issues.

Owner Notes: Operation, Safety, and Cylinder Settings

General Notes for Owners

Recommends declaring the system for insurance and highlights general operational advice.

Safe Operation of the Solar System

Provides critical safety warnings and instructions for the owner regarding system operation.

Solar Cylinder Operation and Temperature Settings

Explains cylinder control, temperature settings, and precautions against scalding and frost.

Owner Notes: Frost Protection, Care, and Maintenance

Switching Off the Solar Cylinder

Instructions for temporarily switching off the heating and hot water system.

Frost Protection of the Solar System and Cylinder

Details annual checks for frost protection and measures for long-term system shutdown.

Care of Collectors and Solar Cylinder

Provides simple cleaning instructions for collectors and the solar cylinder exterior.

Maintenance of the Solar System and Cylinder

Emphasizes regular inspections by specialists and the importance of maintenance agreements.

Owner Troubleshooting and Warranty Information

What Should Be Done If...

Lists common malfunctions and recommended actions for the owner to take.

Vaillant Service and Warranty Information

Provides contact details for Vaillant service and explains warranty terms and conditions.

Start-up Protocol and Service Record

Start-up Protocol Checklist

Comprehensive checklist for assembly, start-up, control systems, and owner instruction.

Start-up Data Recording

Fields for documenting system installation, component data, and settings.

Service Interval Record

Template for recording regular service and maintenance activities performed by specialists.

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