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ECO
2
Air Twin & ECO
2
Loftight Twin
Solar Gain
1
2
3
SIXTH STAGE
Choose a location for the fresh air intake and drill a
ø158mm (or ø132mm) hole for wall kit. Depending
on the layout of your attic, you have three options for
locating the input of fresh air (wall input; roof input
and under tiles input). If ø125mm wall / roof kit is
installed, use an ø150mm adaptor to connect to the
unit with ø150mm insulated ducting. Make sure that all
connections are sealed well.
It is recommend that ø150 intake vent is used for best
performance
1
2
3
Fresh air drawn from outside - Wall Input
Fresh air drawn from outside - Under Tiles Input
Fresh air drawn from outside - Roof Input
Delivering Fresh Air - Options
SEVENTH STAGE
The ECO
2
Air Twin and ECO
2
Loftight Twin units must only be installed by a competent person and should be
connected to an electrical supply in accordance with the current electrical regulations. A disconnection device should
be used in the fixed wiring. Connect the heater enable cable to the switch provided (non wireless versions only).
EIGHTH STAGE
Check the unit is working correctly. Set the unit’s controls according to the house size and check that the filters are
securely in place.
NINTH STAGE - Manual settings
Method of operation: Adjust the settings on the top of the unit by pressing the house setting button. By pressing the
button, the correct ventilation rate for the size of the house can be selected i.e. if the unit is on SMALL / TRICKLE and
the button is pressed, the unit will then switch to MEDIUM. Similarly, if the unit is on BOOST and the button is pressed,
the unit will then switch to SMALL / TRICKLE. The manual setting panel can be found on the side of the ECO
2
Air Twin
unit and top of the ECO
2
Loftight Twin unit.
SMALL / TRICKLE
MEDIUM
PRESS BUTTON
LARGE
BOOST
INSTALLATION INSTRUCTIONS
