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Please read these instructions before installing or commissioning.
The Solarflo - Solar Thermal Domestic Hot Water System should
only be installed by a competent person.
Please leave these instructions with the user for safe keeping.
Installation Guide - Flat roof mounting
Solarflo - Solar Thermal Domestic Hot Water System
© Baxi Heating UK Ltd 2007.
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Summary of Contents for Baxi Flat roof mounting
- Page 1 The Solarflo - Solar Thermal Domestic Hot Water System should only be installed by a competent person. Please leave these instructions with the user for safe keeping. Installation Guide - Flat roof mounting Solarflo - Solar Thermal Domestic Hot Water System © Baxi Heating UK Ltd 2007.
- Page 2 © BAXI Heating UK Ltd 2007. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, or stored in any retrieval system of any nature (includ- ing in any database), in each case whether electronic, mechanical, recording or otherwise, without prior written permission of the copyright owner, except for permitted fair dealing under Copyrights, Designs and Patents Act 1988.
- Page 3 Index 3 Index 4 General Safety information 6 Installation of solar collector Lifting the panel General assembly notes Mounting kit parts list Attachment points Mounting system 19 Installation of collector panel sensor Solarflo - Solar Thermal Domestic Hot Water System...
- Page 4 General Safety information In order to reduce the number of deaths and major accidents attributable to work at height, the Health and Safety Executive has introduced comprehensive regulations and guidance that should be followed by all businesses working at height. We consider in the following paragraphs some of the main features of the regulations and guidance.This is, however, only a limited summary and it is recommended...
- Page 5 General Risk Assessments The HSE has published a number of very useful free publications that advise how to undertake risk assessments. Two of these that you should obtain are: Five Steps to Risk Assessment. A Guide to Risk Assessment Requirements. The five steps outlined in the HSE leaflet are: Step 1: Look for the hazards This will mean looking at the site and identifying...
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Page 6: Installation Of Solar Collector
Installation of solar collector Fig. 1 Lifting the panel Do not lift the collectors by the connections. Refer to Section 2.2 of the Installation Guide Solar Collector Panel specifications for details of the dimensions and weight of each panel. Carrying/lifting straps must be securely fastened to the main framework of the panel. - Page 7 Collector Mounting Installation Guide. All other equipment must be installed as per detailed in the Baxi Solarflo Installation Guide. The Flat Roof Mounting Frame may be used to mount the Baxi Solarflo collector panels at ground level if required. In these instances particular attention should be paid to anchoring any mounting beams used to the ground.
- Page 8 Installation of solar collector Structure The collectors may only be mounted on sufficiently load-bearing roof surfaces and substructures. It is essential that the structural load-bearing capacity of the roof and the substructure must be assessed before mounting the collectors. Particular attention should be paid to the quality of the (timber) substructure in terms of the stability of the screw joints necessary for installing the collector mountings.
- Page 9 0-5% 5-10% 10-20% The Baxi Solarflo collector panels MUST be protected with a water/glycol heat transfer fluid. Use only the fluid supplied with the system which is supplied pre-mixed to a concentration of 40% glycol / 60% water.Top ups can...
- Page 10 Installation of solar collector Mounting kit parts list 1 panel 2 panels 3 panels A. Bench screw B. Attachment bracket C. Rubber seal D. Clamping piece E. Clamping piece extension F. Mounting part top G. Mounting part extension H. M8 washer I.
- Page 11 See Note Solarflo - Solar Thermal Domestic Hot Water System...
- Page 12 Installation of solar collector Fig. 5 Suggestion for attachment points NOTE: Some variation may be necessary depending on the pitch of the roof structural support bearers. Suggested attachment positions 1690 1690 1220 All dimensions shown in mm Solarflo - Solar Thermal Domestic Hot Water System...
- Page 13 Installation of solar collector FLAT roof Mounting system, parallel 1: Measure the mounting points (for suggested positions see fig 5) and mount support bearers as recommended in Section 2.2. Dimension A = Recommended pitch of supports for 1 and 2 panel system...
- Page 14 Installation of solar collector 5. Install first mounting frame as follows: 5a. Attach front support bracket to rear support bracket as shown and loosely tighten Order: - M8 bolt - Front support bracket - Rear support bracket - M8 washer - M8 hex nut 5b.
- Page 15 Installation of solar collector 6. Attach lower mounting rails as shown in 6 with the hammerhead bolts engaged in the T-slot of the rail. Order: T-slot - Mounting rail - Hammerhead bolt - Front support bracket - M8 washer - M8 nut Ensure rail is horizontal using a spirit level.
- Page 16 Installation of solar collector 8. For 3 panel systems join the additional mounting rails as shown in steps 9 and 10. 9. Push the clamping piece extension halfway into the T-slot of the mounting rails (upper and lower) and tighten. Order: - Mounting rail - Clamping piece extension...
- Page 17 Installation of solar collector 11: Hang the first collector in the lower mounting rail and adjust its position so that the frame is 45mm from the end of the rail as shown. N.B. Ensure collector panel locating lip is correctly positioned in the support slot of the lower mounting bracket.
- Page 18 Installation of solar collector 14: Connect the collector panel flow/return pipe together. Ensure the fibre washer is inserted between the male and female connections. Support the pipes when tightening nut. 15: Rotate the clamping piece by 90° so it locates in the Collector panel locating lip and screw it tight using a long socket wrench.
- Page 19 Installation of collector panel sensor Fig. 6 The Collector panel temperature sensor should be installed in the sensor pocket nearest to the collector array flow. It should be secured in the pocket by inserting through the rubber gland provided. All materials used for installing temperature sensors (sensor element, conducting compound, cables, sealing and insulating materials) must be suitably temperature resistant (up to 250°C).
- Page 20 Conditions of Sale which are available on request. B AX I A Trading Division of Baxi Heating UK Ltd, a division of Baxi Group. Brooks House, Coventry Road,Warwick. CV34 4LL After Sales Service and Technical Enquiries 08700 603261 Our contact centre is open Monday to Friday 8am to 6pm, Weekends and Bank Holidays 8.30am to 2pm.