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Velux TFF 300 User Manual

Velux TFF 300
56 pages
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TFF 200/300/400 0201
VAS 451890 - 0207
Warning to the user
a. Do not remove or adjust any component part of this unvented water heater. Contact the installer.
b. If this unvented water heater develops a fault, such as a flow of hot water from the discharge pipe, switch the heater o
and contact the installer.
Warning to the installer
a. This installation is subject to Building Regulation approval. Notify the Local Authority of an intention to install.
b. Use only manufacturer’s recommended replacement parts.
c. Installed by:
Name:
Address:
Phone no.:
Completion date:
Directions for use

Table of Contents

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Velux TFF 300 Specifications

General IconGeneral
BrandVelux
ModelTFF 300
CategoryWater Heater
LanguageEnglish

Summary

Product Overview and Safety

Directions for Use and Warnings

General instructions and essential safety warnings for users and installers.

Tank Installation - Safety and Requirements

Safety Instructions and Storage

Critical safety information and guidelines for storing the unit.

Installation Requirements and Components

General installation requirements and checklist for tank components.

Tank Installation - Connections and Pipework

Cold Water Connection Diagram

Diagram illustrating cold water connections according to BS7206.

Tank Connection Points

Identification and diagram of various connection points on the tank.

Discharge Pipework Guidelines

Detailed requirements for sizing and installing discharge pipes safely.

Tank Installation - Commissioning and Maintenance

System Components and Commissioning

Information on valves, thermostats, and system commissioning steps.

Anode, Water Quality, and Heating

Anode maintenance, water quality, and electrical heating element installation.

Service, Warranty, and Maintenance Procedures

Servicing, warranty, maintenance requirements, safety valve checks, draining.

Tank System Specifications and Spare Parts

System Refilling and Specifications

Steps for refilling the system and detailed technical specifications.

Spare Parts List

Comprehensive list of available spare parts with item numbers.

Solar Pump Station - Safety and Components

Safety Instructions and Regulations

Essential safety guidelines and relevant technical regulations for the pump station.

Components, Dimensions, and Specifications

Overview of components, dimensions, and technical specifications.

Solar Pump Station - Operation and Maintenance

Pump Functionality and Fittings

Details on gravity brakes, fill/drain fittings, flow indicators, and connections.

Pump Maintenance and Troubleshooting

Procedures for pump maintenance, troubleshooting, and spare parts.

Pump Description and Operator Safety

Pump description, performance, and crucial safety precautions for operators.

Solar Control System - Installation and Configuration

System Overview and Installation

Security devices, technical data, and controller installation overview.

Mounting and Electrical Wiring

Step-by-step instructions for mounting and wiring the solar controller.

Clamp Allocation for System Setups

Wiring diagrams for various system configurations (ARR 1-9).

Solar Control System - Operation and Troubleshooting

Operation, Monitoring, and Adjustment

Using the controller, monitoring system status, and adjusting parameters.

Controller Channels and Settings

Detailed explanation of controller parameters, channels, and specific settings.

Fault Localization and System Accessories

Guidance on fault localization, error codes, and available system accessories.

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