HEX390man & HEX390digi - Operating Instructions, Installation Instructions, Wiring diagrams Sept 2015
5
Exhaust Air
Fresh Outside Air
Balanced Pressure Ventilation
Supply Air
Return Air
Key Benefits
• Better Climate Control
• Reduced heating load
• Reduced air-conditioning load
•
Fresh air
• Energy efficiency
• Reduces condensation
HEX390
Installation Instructions
These units must be installed by a suitably qualified tradesperson.
Electrical supply must be installed by a suitably qualified electrician as per the
schematics on p13 (manual controller) and p14 & p15 (digital controller).
Supplied:
•
HEX unit
•
HEX attic box
•
Triple rocker switch (inside attic box)
•
Drain adaptor (inside HEX filter access door)
Required:
•
Primary extended surface filters
•
External inlet and outlet grilles
•
Internal supply and return grilles
•
Duct
•
Tape
•
3 and 4 core wire
•
Drain condensate hose
2. Mount Unit
securely in ceiling space (eg use bungees to
hang, or anti-vibration pad) where it can be readily connected
to an electrical supply and is sufficiently high enough above
the ceiling that a condensate drain can be run with a fall and
P-trap to a suitable outlet (see drain installation over page).
Once duct etc connected, unit needs to be level for drain to
work properly.
HEX hangers on
top of unit
1. Plan layout,
check required equipment:
