OUMAN EH-80 Operating Instructions Manual

Blinking On continuously
The controller is The valve is competely open. increasing the heat. Not enough heat in the boiler. (Valve is opening) The controller is The valve is closed. In the decreasing the heat summer when no heat is (Valve is closing) needed this lamp may always be on.
The unit is operating.
For example, read control curve C as follows:
CONTROL CURVES
* If the room temperature is always too cool, turn knob B in the + direction.
* If the room temperature is always too warm, turn knob B in the - direction.
One step of the scale of knob B changes the outgoing water temperature by 4°C, corresponding to about 1°C in the room temperature.
Select a house-specific control curve with knob A. Set the basic setting according to the table below.
BOILER OR ACCU­MULATOR
HEATING NETWORK
BOILER OR ACCU­MULATOR
HEATING NETWORK
Heating characteristics of the building Position of knob A Well-insulated house (radiator heating) C...D
House with poor heating characteristics E... F House with a floor heating system A... B
C B
D
E
A
F
Curve C is selected in this example. If the room temperature goes down when the weather gets cold, select a steeper curve. If the room temperature goes up, select a lower curve. A suitable curve for your house may be between the plotted curves.
If the room temperature is even, but it is too cool or warm, make a fine adjustment with knob B.
+
NOTE ! Changes in the settings are felt quite slowly. Wait a few hours before making additional adjustments.
Knob B raises and lowers the selected curve.
Select the steepness of the curve with knob A
CBD
E
AF
The OUMAN controller contains a wide range of control curves that are designed to respond to very different kinds of heating conditions. It also has low curves suitable for houses with floor heating.
C
80
100
60
40
20
Outgoing water temperature
Outdoor temperature
20100-10-20-30
°C
When it is -20°C, the outgoing water is 50°C When it is 10°C, the outgoing water is 44°C When it is 0°C, the outgoing water is 37°C
INDICATOR LAMPS
MANUAL OPERATION
+
A
+
ON
LED
If the green ON indicator lamp is not on, check that the transformer is plugged in and the transformer lead is connected. Check the line voltage.
B
MIN - MAX - LIMITS
The settings located behind the instruction booklet under the clear cover are usually set only when the controller is taken into use the first time.
The minimum limit knob sets the lowest allowable outgoing water temperature (if sufficient heat is available).
The maximum limit knob sets the highest allowable outgoing water temperature. This is especially beneficial in floor heating systems, where overly hot water may cause damages.
OUMAN
OUMAN
OUMAN
OUMAN
OUMAN OUMAN
OUMAN OUMAN
OUMAN automatically adjusts the temperature of the water entering the network. The heat requirement varies
according to the outdoor
When the weather gets cooler, OUMAN releases just enough heat into the network
to maintain an even room temperature.
OPERATING PRINCIPLE
The OUMAN 80 can also be used manually. Unplug the transformer to disconnect the operating voltage. Press the button on the bottom right all the way down while turning the valve to the desired position with the manual control lever.
NOTE ! If you wish to disconnect the controller for a longer period (e.g., in summer), disconnect the operating voltage (13 VAC) connector from the controller. The clock battery will also be disconnected to avoid unnecessary battery drainage (battery life = about 180 days). The battery is a backup power supply for the clock and programming during power shortages.
FINE ADJUSTMENT
BASIC SETTING
EH-80
BASIC SETTING, KNOB A
If the room temperature goes down when the weather gets colder, select a steeper curve and vice versa.
C B
D
E
A
F
80
100
60
40
20
Outdoor temperature
20
10
0-10
-20
-30
°C
OPERATING INSTRUCTIONS
EH-80
EH-80
FINE ADJUSTMENT, KNOB B
If the room temperature is always too cool or warm, turn knob B in the desired direction; + raises, - lowers the temperature.
Outgoing water temperature
EH-80
EH-80 EH-80
EH-80 EH-80
OUMAN
OUMAN
The degree of room compensation, the compensation ratio, can be adjusted with the COMP knob.
If the room temperature deviates from the TMR/P set value, the TMR/P adjusts the outgoing water temperature by a ratio of the deviation set with the Comp knob. These examples assume the outdoor sensor is connected.
You can temporarily by-pass the timer program as follows:
Press and hold until the desired state is displayed. Repeating this procedure will change the state. The next programmed time will switch the forced control state off. If you wish to permanently use forced control, press
again until the display shows .
TIMER
TO SET THE DROP TIMES
TO SET THE TIME
VACATION FUNCTION
OPTIONAL EQUIPMENT
4
OUMAN can be equipped with a timer that drops the room temperature for desired periods (e.g., at night or on weekends). The timer is easy to install later.
Set the drop in the temperature of the outgoing water with this knob. The numbers indicate the number of degrees the temperature will be dropped. General guide: a 4°C drop in the water temperature corresponds to a 1°C drop in the room temperature.
NOTE! If the room compensation unit TMR/P is in use, double the temperature drop setting. This will take into account the compensation effect of the TMR/P.
Press Display Press Note!
TO CLEAR THE PROGRAMS:
To clear the programs in the timer: Press and hold and simultaneously.
1234567
PROG
1234567
The number indicates the amount of free program positions.
Select the desired combination of days when the temperature drop should start.
Set the start time for the temperature drop: hour ...
... and minutes. Acknowledge .
Set the end time for the temperature drop: hour ...
... and minutes. Acknowledge .
Now you can program a new temperature drop period. Return to the normal state by pressing twice.
Press Display Press Note!
1234567
Set the hour.
Set the minutes. Acknowledge . Time OK.
SUMMER/WINTER TIME DIFFERENCE: Press and hold . The clock will automatically move ahead or back one hour.
Summer time is being displayed
Select a day. 1=Mon, 2=Tue, 3=Wed, etc.
When the timer is switched on, all the symbols in the display will blink. Follow the procedure shown below.
Meaning of symbols: Press once Press repeatedly until the desired state is displayed
Press Display Press Note!
Set the length of the vacation period (1... 99 days).
Set the temperature state during the vacation. 1 = temperature drop 0 = normal temperature Acknowledge .
When the timer arrives at the vacation function time, the symbol will be displayed. If you do not press acknowledgement , the timer will return to the basic state. You can start programming again.
Set the number of days after which the vacation function should start (0... 14 days).
The vacation function lets you program a temperature drop period that begins immediately or later (0 ...14 days). The temperature drop period can last 1... 99 days.
The display now shows the correct time and the colon between the numbers is blinking. The programmed temperature drop period is darkened.
0 = normal temperature (the temperature is not dropped)
24
12
618
21
3
15
9
1 = The temperature is dropped
TO BROWSE A PROGRAM: When the display shows PROG, you can browse through
a program in the timer by repeatedly pressing .
TO ADD A PROGRAM: The timer must be in the PROG state. Press
until is displayed, then begin programming a new temperature drop period.
1234567
1 4
Manufacturer:
OUMAN OY
KEMPELE, FINLAND
Select the desired room temperature with the TMR/P knob. 21°C is in the middle. Each step of the scale equals 1°C. If the room temperature deviates from the set temperature, the TMR/P automatically adjusts the outgoing water temperature.
Example 1. The COMP knob is in position 4. If the room temperature drops 1,5°C, the TMR/P will raise the outgoing water temperature by 4 x 1,5 = 6°C.
Example 2. The COMP knob is in position 2. If the room temperature rises 4°C, the TMR/P will lower the outgoing water temperature by 2 x 4 = 8°C.
ONLY ROOM COMPENSATION
OUMAN can be connected as a room-controlled outgoing water controller. (Disconnect the outdoor sensor.) Set the room temperature with the TMR/P knob. If the delay before the radiator temperature reacts to a change in room temperature is too long, increase the COMP ratio.
1
4
2
1
3
3
3
3
2
2
2
2
4
4
1
2
1
3
3
2
4
2
3
3
2
1
3
4
2
3
3
0
1
4
4
0
2
2
0
p
The OUMAN EH 80 can be equipped with an optional room compensation unit, TMR/P. It improves temperature control in special conditions such as:
* windy weather (the house tends to get cooler) * the house is warmed by a fireplace, brick oven, etc. * the house has large windows on the south side, and the house gets warm on sunny spring days regardless of cold weather.
Install the TMR/P in a central place in the house.
ROOM COMPENSATION TMR/P
PROG
FORCED CONTROL
KS/80
EH-80
C
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