Download USER MANUAL

This user manual consists of two parts. Issues that are intended for all users are presented in the first part
of user manual. The issues related to service mode are at the end of it. In addition there are issues, which
are only intended for persons in maintenance or who has in-depth knowledge of the control process. The
user manual can also be downloaded from www.ouman.fi /en/document-bank/.
The S203 is a heating controller for 3 circuits (two heating circuits and one hot water circuit). Wiring and
configurating selections define what is seen on the display screen.
Basic view
1 3 : 5 1 0 5. 0 2. 2 015
O u tdoor t emp.
-12.4° C
S elect io n >
45.2° C
Aut omat ic
H W Su ppl y wat er 58.0° C
Aut omat ic
H 1 S u ppl y wat er
H 2 S u ppl y wat er
32.8° C
Control knob and OK
Aut omat ic
OK
A maximum of five views can be displayed with the
favourite views key. Default settings for favourite
views show menus for each circuit, which include
all default settings that can be changed by the user
as well as information about measurements and the
regulator’s operation.
OK
Press the control knobto enter the menu and
accept the changes.
Turn the control knob
to navigate in the menu.
You can move from one favourite view to another
by pressing the key.
M a in m e n u
>
In p u t s a n d o u t p u ts
>
H 1 C o n t r o l c ir c u it
H 2 C o n t r o l c ir c u it
D H W D o m e s t ic h ot water control
>
>
Cancel button
Holding the key down for an extended period of time
returns the regulator to its basic mode. The display
shows the basic view, the background light of the display dims and the keyboard locks if the locking function is in use.
2