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USER INSTRUCTIONS 

 

RK 55 - RAD - ING - MAN.UT – 1311.1 - DIGITECH CS MIAH4

 

2

 

 

2. Control 

panel 

 

Control panel Key  

 

1.  HEATING TEMPERATURE SETTING BUTTONS 

2. INFO 

BUTTON: 

PRESS ONCE TO DISPLAY 

TEMPERATURES AND INFO (see 2.10 “INFO 
menu display”). KEEP INFO BUTTON PRESSED 
FOR 5 SECONDS (in OFF  MODE) TO DISPLAY 
THE LAST 5 ERRORS.  

3.  MODE SELECTION BUTTON

 SUMMER ONLY / 

WINTER ONLY / SUMMER-WINTER / OFF. 

4. RESET 

BUTTON: 

ERROR RESET – FLUE TEST 

FUNCTION ACTIVATION (CHIMNEY-SWEEPER - 
KEEP IT PRESSED FOR 7 SECONDS).   

5.  DOMESTIC HOT WATER TEMPERATURE 

SETTING BUTTONS 

(RS version only - with 

connection to a remote storage cylinder)

.  

KEEP BUTTONS ‘+’ AND ‘-‘  PRESSED FOR 5 
SECONDS TO ACTIVATE  THE DISPLAY 
BACKLIT MODE FOR A CONTINUOUS PERIOD 
OF 10 MINUTES. 

6. 

TERMINAL BLOCK FOR EXTERNAL WIRING. 

7. 

LCD DISPLAY.

 

 
 

LCD display icons’ key 

1. 

PARAMETER NUMBER INFORMATION 

 

2. 

PARAMETERS PROGRAMMING MODE ON  

3. 

SOLAR PCB CONNECTION INFORMATION / SOLAR 

PANEL TEMPERATURE DISPLAY (d6)  

4. 

SOLAR PUMP ON  

5. 

STORAGE CYLINDER LOW LEVEL TEMPERATURE 

VISUALIZATION (d7) / STORAGE CYLINDER HIGH 
LEVEL TEMPERATURE VISUALIZATION (d8) 

(RS 

version only - with connection to a remote storage 
cylinder) 

6. 

OUTDOOR TEMPERATURE SENSOR CONNECTED / 

OUTDOOR SENSOR TEMPERATURE DISPLAY (d2) 

7. 

TEMPERATURE / SET POINT / PARAMETER VALUE 

INFORMATION  

8. 

OPEN THERM COMPONENTS COMMUNICATION 

CONNECTED  (REMOTE CONTROL / ZONE 
MANAGEMENT CONTROL BOX) 

9. 

WATER LOW PRESSURE INFORMATION 

10. 

(*)  FLAME PRESENCE ON (3 POWER STEPS) 

11. 

D.H.W. MODE ENABLED  

(RS version only - with 

connection to a remote storage cylinder)

 

12. 

RESETTABLE ERROR DISPLAY  

13. 

OFF MODE  

14. 

NOT RESETTABLE ERROR DISPLAY  

15. 

HEATING MODE ENABLED 

 

 

7

1

2 3

4

5

6

Fig. 1

4

5

6

7

9

10

11

12

13

14

15

1

2

3

8

< 33%

>33%<66% 

>66%<100% 

Fig. 2 

Fig. 3 

Summary of Contents for RK 55

Page 1: ...CE 0694 RK 55 RAD ING MAN UT 1311 1 DIGITECH CS MIAH4 Technical specification RADIANT BRUCIATORI S p A Montelabbate PU ITALY ENGLISH User Manual for model RK 55 Premix condensing system boiler...

Page 2: ...Control Panel 2 3 Starting up the boiler 3 4 INFO Menu 3 5 Boiler functioning modes 4 6 Filling the system 5 7 Diagnostics Error and function codes 5 8 Switching OFF the boiler 6 9 Frost Protection 7...

Page 3: ...uthorised technician do not attempt to start it All maintenance and gas conversion operations MUST BE CARRIED OUT BY PROFESSIONALLY QUALIFIED PERSONNEL Should any part of the boiler freeze up do not a...

Page 4: ...AL WIRING 7 LCD DISPLAY LCD display icons key 1 PARAMETER NUMBER INFORMATION 2 PARAMETERS PROGRAMMING MODE ON 3 SOLAR PCB CONNECTION INFORMATION SOLAR PANEL TEMPERATURE DISPLAY d6 4 SOLAR PUMP ON 5 ST...

Page 5: ...list of available data Press the INFO button to exit the display mode The list of available display data is the following Parameter Icon Description d00 DHW sensor temperature RS version only with con...

Page 6: ...ion to a remote storage cylinder To switch boiler operation to SUMMER WINTER mode press the MODE SELECTION button page 2 fig 1 pos 3 The boiler will work for both central heating D H W systems The SUM...

Page 7: ...nel to reset the error When the error code on the display disappears the boiler will restart automatically If the problem persists Call the Service Centre Code E02 Safety Thermostat tripped associated...

Page 8: ...ts Call the Service Centre Code E35 Flame detection malfunction associated symbol Press Reset button on the control panel to reset the error When the error code on the display disappears the boiler wi...

Page 9: ...and special functions that provide the starting of the burner to heat all the interested parts when their temperature drops below the minimum preset values This function is enabled if the boiler is e...

Page 10: ...THE COMPANY RESERVES THE RIGHT TO APPLY VARIATIONS WITHOUT PRIOR NOTIFICATION NEITHER WILL THE COMPANY BE HELD RESPONSIBLE FOR ANY INACCURACIES IN THIS HANDBOOK DERIVING FROM PRINTING OR TRANSLATION E...

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