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Bosch Flue and Ventilation Quick Reference Guide 2022
An example of ventilation distribution for a plant room that has louvered doors and additional high level
ventilation – with reference to IGEM-UP-10 (Edition 4) – 7.2 – Figure 2.
Figure 3
Example: Based on 4 x GC 7000 WP 100kW boilers @ 96.5 kW Net heat input, placed within a boiler room that has a summer
usage below 50%
Low level ventilation: 4 x 96.5 kW = 386 kW x 4cm² = 1544cm²
High level ventilation: 4 x 96.5 kW = 386 kW x 2cm² = 772cm²
In the example above the existing louvered door, whilst providing more than the total free area ventilation requirement,
does not provide at least 20% of the required high-level ventilation within 15% of the ceiling. Therefore, an additional high-
level vent has been added.
At low level, the louvered door provides at least 20% of the low level ventilation required within 1m of the floor, so no additional
low level ventilation is required.
Whilst it is always our intention to fully assist, it is essential to recognise that all information given by the company in response to an enquiry of any nature is provided in good faith and based
upon the information provided with the enquiry. We recommend that advice should always be checked with your installer or contract partner. Consequently, the company cannot be held
responsible for any liability relating to the use or repetition of such information or part thereof. In addition, whilst making every reasonable effort to monitor the performance and quality of
our supply, installation and service network, we do not accept responsibility for the workmanship or operation of any third party company that the company may have promoted either in
conversation, e-mail, or other communication. Similarly, the views and opinions expressed in communication with individuals within the company may not reflect that of the business as a whole.
You can find this, and all issued technical bulletins on the Worcester website at: worcester-bosch.co.uk/tb or worcester-bosch.ie/tb
Worcester, Bosch Group, Cotswold Way, Warndon, Worcester WR4 9SW Technical Services: 0330 123 3366 | technical-advice@uk.bosch.com
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