Networkable Fan Coil Controller
Specification and Installation Instructions
www.neptronic.com
Page | 16
Auto Fan/Auto Speed Sequence
(for analog, 2-speed or 3-speed)
Refer to MainMenu > Fan> for related options.
Auto Fan
(
Fan Auto Mode
configuration)
Mode button
Fan button
If control demand > 0
If control demand = 0
Enable
Heat
Auto Speed*
Fan speed = heat demand
Fan = Off
Low
Fan speed = Low
Fan speed = Low
Medium
Fan speed = Medium
Fan speed = Medium
High
Fan speed = High
Fan speed = High
Cool
Auto Speed*
Fan speed = cool demand
Fan = Off
Low
Fan speed = Low
Fan speed = Low
Medium
Fan speed = Medium
Fan speed = Medium
High
Fan speed = High
Fan speed = High
Auto (H/C)
Auto Speed*
Fan speed = heat/cool demand
Fan = Off
Low
Fan speed = Low
Fan speed = Low
Medium
Fan speed = Medium
Fan speed = Medium
High
Fan speed = High
Fan speed = High
Fan
Low
Fan speed = Low
Fan speed = Low
Medium
Fan speed = Medium
Fan speed = Medium
High
Fan speed = High
Fan speed = High
Off
Off
Off
Off
Disable
Heat
Auto Speed*
Fan speed = heat demand
Fan speed = Low
Low
Fan speed = Low
Fan speed = Low
Medium
Fan speed = Medium
Fan speed = Medium
High
Fan speed = High
Fan speed = High
Cool
Auto Speed*
Fan speed = cool demand
Fan speed = Low
Low
Fan speed = Low
Fan speed = Low
Medium
Fan speed = Medium
Fan speed = Medium
High
Fan speed = High
Fan speed = High
Auto (H/C)
Auto Speed*
Fan speed = heat/cool demand
Fan speed = Low
Low
Fan speed = Low
Fan speed = Low
Medium
Fan speed = Medium
Fan speed = Medium
High
Fan speed = High
Fan speed = High
Fan
Low
Fan speed = Low
Fan speed = Low
Medium
Fan speed = Medium
Fan speed = Medium
High
Fan speed = High
Fan speed = High
Off
Off
Off
Off
Auto Fan/Auto Speed Sequence
(for 1-speed)
Auto Fan
(
Fan Auto Mode
configuration)
Mode button Fan button
If control demand > 0
If control demand = 0
Enable
Heat
Auto Speed*
Fan speed = On on heat demand
Fan = Off
On
Fan = On
Fan = On
Cool
Auto Speed*
Fan speed = On on cool demand
Fan = Off
On
Fan = On
Fan = On
Auto (H/C)
Auto Speed*
Fan speed = On on heat/cool demand
Fan = Off
On
Fan = On
Fan = On
Fan
On
Fan = On
Fan = On
Off
Off
Off
Off
Disable
Heat
On
Fan = On
Fan = On
Cool
On
Fan = On
Fan = On
On
Fan = On
Fan = On
Fan
On
Fan = On
Fan = On
Off
Off
Off
Off
*When fan button is set in
Auto Speed
, the symbol
will be apparent.