HEX390man & HEX390digi - Operating Instructions, Installation Instructions, Wiring diagrams Sept 2015
9
Display Key
OS - Outside Air Temperature
IS - Inside Air Temperature
Winter - winter mode is on
H - Heater is fitted
Heater option not available for HEXdigi-NH
HEX
There are a number of options which can be scrolled through by
pressing the Mode button as below.
If no button is pressed within 5 seconds the controller automatically
reverts to normal operation. Once a button is pressed a backlight will
operate and remain on for 20 seconds after the last keystroke.
Press ↑ button to toggle between Y/N (Yes/No) or other options, then
press ‘Mode’ to advance through the menu.
Options are on following pages.
Digital Controller
Setup Instructions
The Heat Recovery Digital Controller has a number of features available to
customize the system to suit house size, layout and user preferences.
The Setup menu is accessed by pressing the ↑ & ↓ buttons together for
about 5 seconds until the display reads ‘Setup Menu’.
The controller comes preset with default factory settings, these can be
reinstated using menu item ‘Factory Reset’ (number 14 on next pages). If the
unit is not set up correctly to suit the house, performance may be reduced.
Fan Speed
Status
Outside Air
Temp (OS)
Operating
Mode
Inside Air
Temp (IS)
Fan Speed
Increase
[Y/Ntoggle]
Time
Fan Speed
Decrease
Mode
[to scroll]
Digital Controller setup instructions continued on next page
Please note: if settings are changed from recommendations, performance
of the unit may be reduced.
