Biddle HR 25 - Page 7

HR MANUAL INTRODUCTION
Manual version 4.1 (26-07-2018)
en-7
en
1.3.3 Symbols on the unit
The modules are equipped with stickers and symbols. These
symbols provide information on:
•function
•airflow
components
airflow
FUNCTION SYMBOL
heat exchanger
recirculation damper
fan
filter
heating/cooling
AIRFLOW SYMBOL
supply air
extract air
exhaust air
fresh air