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General| Brand | Velux |
|---|---|
| Model | TFF 400 0201 |
| Category | Water Heater |
| Language | English |
Important safety warnings and actions for users of the unvented water heater.
Key warnings and regulatory requirements for installers of the water heater.
Essential safety guidelines for installing the VELUX storage tank.
Instructions for storing the VELUX solar hot water unit before installation.
Comprehensive guide for installing the VELUX storage tank.
Verify all required components are present before commencing installation.
Schematic illustrating cold water connections according to BS7206.
Diagram showing various connection points on the VELUX storage tank.
Guidelines for safe and compliant installation of discharge pipework.
Table for sizing discharge pipe D2 based on relief valve outlet and resistance.
Illustrative example for calculating appropriate discharge pipe size.
Instructions for the operation and setting of motorised valves.
Diagram showing the connection of the dual thermostat for temperature control.
Detailed specifications for the ITD Dual Thermostat.
Procedure for initial filling and commissioning of the VELUX unit.
Maintenance requirements for the magnesium anode and water quality.
Guidelines for connecting and installing electrical heating elements.
Details on the warranty coverage for the VELUX storage tank.
Key points for servicing and maintenance of the VELUX unit.
List of available spare parts for the VELUX solar hot water system.
Essential requirements for maintaining the VELUX solar hot water unit.
Procedure for checking the operation of safety valves.
Step-by-step guide for draining the VELUX hot water unit.
Instructions for descaling the immersion heater elements.
Procedure for refilling the system after maintenance or draining.
Importance of filling and keeping the log book for maintenance records.
Table of technical specifications for the VELUX TFF series.
Further technical data including flow rates, pressures, and dimensions.
Essential safety guidelines for installation and use of the pump station.
Diagrams and dimensions of the solar pump station and its components.
Key technical specifications for the solar pump station.
Explanation of how the gravity brakes function in the pump station.
Instructions for using the fill and drain fitting on the pump station.
How to read and interpret the flow indicator on the pump station.
Procedure for manual venting of residual air via the air jet.
Details on connecting temperature sensors via the immersion sleeve.
Diagram for connecting the valve coupling to expansion vessels.
Guidelines for electrical installation of the solar control unit.
Steps required for performing maintenance on the solar pump station.
List of spare parts available for the solar pump station.
Description of the WILO pump and its performance characteristics.
Safety precautions for operators of the solar pump station.
Procedure for filling and venting the solar pump station system.
Technical rules and standards related to security devices.
Overview of the universal system controller's functions and technical data.
Step-by-step guide for mounting the solar controller unit.
Detailed instructions for electrical wiring of the solar controller.
Diagrams for clamp allocation for various system configurations (ARR 1-9).
How to use the controller's push buttons for adjustment and navigation.
Understanding the controller's display for channel indication and system status.
Meaning of blinking codes shown on the system screen.
Steps for initial setup, language, and system scheme selection.
Guide to controller channels for parameters, indications, and settings.
Troubleshooting guide for identifying and resolving controller faults.
List of accessories and spare parts for the solar control system.
