Installation Instructions

Installation and Service Manual Epsilon-Series
28
10.2 Adjustments
When the boiler is installed it is in principal ready for use. All adjustments of the boiler
control are already pre-programd for a heating system with radiators/convectors with a
ow temperature of 85°C. The adjustments are described in the Parameter chapter on
page 29.
In certain cases adjustment have to be altered in case of :
- Lower ow temperature
Read through the Parameter chapter to adjust the boiler to its installation.
Contact A.O. Smith in case of doubt.
Please follow next procudere to alter adjustments:
Altering adjustments
Press the Mode-key for 5 secondss.
 ThedisplayshowsCOdEfollowedbyanarbitrarynumber;
Press by means of the + or the - key until the code C123 is shown;
Press the STORE-key to conrm the code (code blinks1 x).
 Nowyouhaveaccestotheinstallerlevel.Thereare4chapters:
• PARA Parameters
• INFO  Informationchapter(noadjustmentspossible)
• SERV Service chapter
• ERRO  Error-chapter(noadjustmentspossible)
The content of the chapters is described on the following pages.
Press briey the MODE-key to select one of the 4 chapters, i.e. PARA;
Press once or more briey on the STEP-key to select a Parameter
(parametervisibleontheleft,valueontheright);
Alter the value, if necessary/possible, by means of the + or the - key
Press briey on the STORE-key to conrm the alteration.
Whenyouhavetochangemorevalues,repeatfromstep5.
Press once or more on the MODE-key until StBY or Good is shown:
AfterafewsecondsthetextStBYwillbereplacedbythetechnicalread-outor
Good-state(Dependingfromthepositiontheaccescodeiskeyedin)
When you want to return from an arbitrary position to the original read out press
once or more on the MODE-key until StBY is shown.
When during 20 minutes no single key is used the display will return automatically to its
original read-out (Good state or technical read out)
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
STEP 7
STEP 8