Envirovent LoftVent Mk2 PIV Installation Manual page 9

In conditions between 19°C - 25°C the units will increase air flow rate
by 10%. In hot conditions above 25°C the units will temporarily switch
off to avoid bringing hot air into the property from the loft space.
The PIV Unit uses a single 200mm diffuser to provide air into a hallway
or landing area.
DO NOT
AFTER INSTALLATION THE END USER SHOULD
KEEP THIS GUIDE FOR FUTURE REFERENCE THROW AWAY
9