Envirovent heatSava Installation Manual page 11

05 Installation
Marking Out - Template Sheet
Fig.1A
Using the template provided, align it with a spirit level
against the wall and draw around the circle for the location
of the core hole (Fig 1A).
Installation Process - Core Drilling
Fig.2A
Before core drilling, determine which heat cell will be
inserted through the wall and core drill accordingly
(Fig.2A & 2B).
AFTER INSTALLING THIS UNIT PLEASE LEAVE THIS INSTALLATION GUIDE WITH THE USER
DO NOT THROW AWAY
Fig.1B
Mark out the locations for the 3 fixing holes. Use either A or B
depending on how smooth the wall surface is (Fig 1B).
(The rear assembly has 6 feet to help when fixing to uneven surfaces)
Fig.2B
For the 100m model, drill a hole with a diameter of 107mm or
117mm if using a wall seal. For the 150mm model drill a hole
with a diameter of 158mm or 162mm if using a wall seal. If
fitting with a wall seal see pages 17-18.
10