OUMAN EH-800 User Manual

1. Check heating output
C
heck the controller’s dis
p
lay
to
see
wh
eth
er
the
co
ntr
oll
er
has com
p
letely o
p
ened the
val
ve.
1.1 If it is not com
p
letely o
p
en,
you can turn up t
h
e
h
eat,
g
o to sect
i
on 2.
1.2 If it is completely open (as in the
d
ia
g
ram), check the followin
g
:
If it is too cold with freezing out-
door temperatures
Turn the control knob so that the top 1.
edge of the display reads “L1 Curve”
Press “OK”2.
Press “OK”, change the “-20” setting so 3.
it is bigger, e.g., 4 °C, press “OK”
At the same time change the “0” set-4.
ting so it is a little bigger, e.g., 4 °C
Exit and press “ESC” to con rm the 5.
changes
2. Adjust settings
Finely adjust basic heating
If the room temperature is too low no
matter what the outdoor temperature,
adjust control using the  ne adjustment
as follows:
Make sure that the top row of the 1.
display reads “If it is too warm or too
cold, press OK” ( If necessary, press
the ESC button a number of times)
Press “OK”2.
Turn the control knob to change 3.
the temperature and press “OK” to
con rm
OUMAN EH-800 Heating controller
Quick Guide: T
oo cold
Note! Wait long enough for the
setting changes to have time to ef-
fect the room temperature. A long
enough waiting time is 24 hours.
OK
The picture displays default settings for normal
radiator heating,
!
If there were faults, get them  xed.
Adjust settings after that.
If nothing has to be  xed and the
control valve is completely open, ask
a professional to  nd out where the
fault is.
Is the temperature in the boiler or •
accumulator high enough.
Is the circulating pump turning•
Is the pressure in the heating net-•
work high enough.
Make sure that the temperature •
measurements are correct. If the
temperature sensor is damaged,
contact Ouman Oy maintenance
Make sure that the control valve is •
not stuck (user manual p. 4).
L1 Heating curve
-20 = 58 °C
0 = 41 °C
+20 = 18 °C
Min. limit: 10 Max. limit: 75
+20 -200
°C
20
40
60
80
Heating fi ne adjust: turn control knob
Room temperature change +1.5 °C
-
+
Info: Effect on supply water temp. 6.0 °C
Confi rm: press OK, Cancel: press ESC

OUMAN EH-800 Specifications

General

Brand	OUMAN
Model	EH-800
Category	Controller
Language	English