OUMAN EH-105, User Manual

Page: 13 / 60

EH-105
CONTROL SEQUENCE OPERATING MODES
Käsiajo sähk.
Ajo: -/+ näppäim
Asento:
Kiinni Auki
39%
OK
_
+
Manual control
Drive --
Position % 39
OK OK
__
+
Select Auto/Man.
Damper
HRU
Heating
Cooling Auto
Manu
Auto
Manu
Dampers
AutomaticCtrl
Manual control
The control in question operates according to the selected operation mode.
(see pages 25-32).
Manual operation of actuator electrically. Manual operation occurs as follows:
Press
. Press the or button to change the position of the actuator. The direction
the actuator is being driven can be seen from the display.
The position's % reading indicates the actuator's position if a voltage controlled 0…10V
or 2…10V actuator (0% = closed, 100% = open) is being used.
Press
to confirm the actuator position.
Attention! With manual operation of the actuator electrically the freeze protection
anticipate function can force drive the actuator open regardless of the manual operation
selection.
Attention! If the dampers are manually operated electrically and the AH unit shuts down,
the controller drives the dampers shut. When the AH unit starts up again the controller
drives the dampers to the position they were in before the unit shut down.
Attention
OK - +
OK
! Cooling control can be set to manual control only when AH unit is running.
Operating modes for controls that are in use are selected in this mode. Each
control sequence can be operated automatically or manually operated either
mechanically or electrically. Each control sequence has factory set automatic
control.
AHU 1/1 Autom.
Room temp.21.2
SupplyTemp20.4
Selection M M
°C
°C
OPERATING INSTRUCTIONS:
Operating mode information about each control sequence appears on the top line
of the basic display. The letter M above the symbol for the control indicates that
that control has been selected for manual operation. The letter M and position
information alternate during manual drive.
Note! When in the manual control mode the damper and cooling sequences go to
0-stage when the AH unit stops and return to the set manual control position when
the AH unit starts up. When the AH unit is stopped the manual position % is 0. If it
is not changed, the unit will run at the previously set manual control position when
Select
Measurements
AHU oper.contr.
Settings
Supply air info
AHU output info
Connection info
ControlOperMode
Clock functions
13
Press the button to browse operating modes. The text that appears after the name of
the control indicates whether automatic or manual operation is in use.
Move the cursor to the control whose operating mode you want to change. Press .
Move the cursor to the operating mode that you want. Press . The character
indicates which operating mode has been selected.
Changing the operating mode:
OK
OK
AutomaticCtrl
Manual electr.
Text on the display:
Information about control sequence operation modes:
Note! Check the combined power consumption of all the actuators. The maximum
combined total load of the controller's transformer is 25 VA