EH-105
FOR STARTERS
Ouman EH-105 is a versatile air handling controller, suitable for control-
ling many types of air handling units. The information appearing on your
controller’s display varies in different situations depending on controller
connections and selected functions. All the possible functions are outlined in
this user guide. First, we will outline the basic principles of controller use.
Press the button to move the cursor to the langu-
age you want to use. Press OK.
Press ESC.
AH output 100% = The SF and EF fans are set to a
speed that produces 100% air volumes or duct
pressures at the supply and exhaust units. (designed
volumes and pressures).
Abbreviations and terms used
AH = air handling unit
SF = supply air fan
EF = exhaust air fan
HRU = heat recovery unit
Dampers
HRU
Heating
Cooling
Fan control
M
Operation panel
Current controller controlled
air handling unit output
Browse button
moves
the > cursor up and
down.
Group select button -
- moves you from one control
sequence to the next.
- Dampers
- HRU
- Heating
- Cooling
- AH unit control
Symbols for control:
Header text
E.g. “Sports hall SU102” scrolls in the
display, if the header text has been
taken into use, see p. 46.
Air handling unit
control mode Header
Control at 0%
Height of the pillar shows the level
of control 0-100% (0-10V)
Control at 100% (10V)
Manual control
Controller drives the 3-point actuator
open
Controller drives the 3-point actuator
closed
Decrease -
button
OK
button -
confirms the setting
and moves the cursor
to the next menu item.
Increase
-button
INFO
button gives operating
instructions or additional infor-
mation in different situations.
ESC
button - press
to return to the
previous display
Remote control
Remote control via mobile phone
Most of the functions in the controller’s user
level can be carried out via GSM-phone text
messages.
Web-based remote control
GSM functions via
text messages see
p. 22.
Language selection
Symbols in use
AHU 100% Autom.
Room temp. 21.3
SupplyTemp 20.4
>Selection
