background image

2

Värmebaronen EP 26E and EP 42E

Content

Notes ....................................................................................... 3
Safety and handling ............................................................... 4
EP 26 - 42 E ............................................................................. 5
Menu - handling ..................................................................... 6 

Menus 
Handling 
Indicators and buttons 
Menu interface 
Screen saver 
Alarm 
Alarm acknowledgement

Menu-User Level .................................................................... 8 

row 0 - Current boiler temperature 
row 1 - Configuration set point, display with UTK 
row 2 - Display of number of output stages connected 
row 3 - Display of current level for external 0 - 10V control signal 
row 4 - Display of current level, load guard 
row 5 - Display of outdoor temperature with UTK 
row 6 - Display alternative temperature, status 
row 7 - UTK-curve, level adjustment 
row 8 - UTK-curve, inclination 
row 9 - Alternative adjustment temperature Alternativ temperature 
row 10 - Room sensor current temperature 
row 11 - Room sensor, set temperature 
row 12 - ECO-mode 

Heating curve - UTK ............................................................... 9 

Initial values 
Adjustment of basic settings 
Supply line temperature limitation 
Circulation pump control 
Frost protection 
Room unit - accessories 
Temperature alternatives with room unit

Menu - Installation/service level .......................................... 10 

row 1 - Quick increase/reduction 
row 2 - Acceleration of activation delay 
row 3 - Load guard, main fuse 
row 4 - Load guard, stage size 
row 5 - Stage limit 
row 6 - UTK min limitation of flow row temperature 
row 7 - UTK max limitation of flow row temperature 
row 8 - UTK room sensor connected 
row 9 - UTK room sensor P-factor 
row 10 - UTK room sensor I-factor 
row 11 - Program version power board 
row 12 - Code 21, for access to Advanced service level

Menu-Advanced Service level ............................................... 11 

row 13 - External control 0–10V. 
row 14 - Max output activation at restart after power failure 
row 15 - UTK – function
row 16 -Max. boiler temperature 
row 17 - Max. boiler temperature - setting 
row 18 - manual activation of rows 19, 20 and 21 
row 19 - Manual activation/test run output stage 
row 20 - Manual circulation pump 
row 21 - Manual buzzer alarm  
row 22 - No function 
row 23 - Circulation pump – constant operation 
row 24 - Current temperature on power circuit board – Display

Operation and maintenance .................................................. 12 

Start 
Activation delay 
Load guard 
Safety valve 
Venting - water pressure 
Draining 
Overheating protection 
Over temperature protection 
Action in the event of a risk of freezing 
Frost protection

Pipe installation...................................................................... 14 

Water quality 
Flow direction 
Frost protection 
Flow requirements 
Safety / flow line 
Expansion system 
System principles 
Open system 
Closed system 

 300 kW och < 110°C 

Outlet pipe from safety valve

Electrical installation ............................................................. 16 

Output limiting 
Power feed 
EP 26 E 
EP 42 E 
Power supply to external unit 
Circulation pump 
External indicator for the buzzer alarm 
Current Transformers - Load Guard 
Blocking and voltage or power control 
Blockage 
Output limitation/Output control, 0-10V 
Output limitation 
Output control 
Output control 0-10 mA/0-20 mA 
0 - 10 V signal of connected output 
Outdoor temperature sensor and alternative heating 
Optional Room Unit

Wiring diagram - EP 26 E ....................................................... 18
Wiring diagram - EP 42 E ....................................................... 19
Data ......................................................................................... 20
Components ............................................................................ 21
Troubleshooting - Warning, limitation and alarms .............. 22
Limitations  

 Activation delay 

 The load guard limits 
 External limitation/blocking 

 Manual operation 

 ECO - mode

Warnings  

 High temperature around the PCB. 
 High boiler temperature 

 Low boiler temperature 

 Outdoor sensor 

 Room sensor 

 Room sensor, handwheel setting

Stop alarm 

 

 Boiler temperature sensor 

 Temperature sensor on circuit board 

 Low boiler temperature 

 Buzzer alarm 

 Low input voltage

Troubleshooting ...................................................................... 23

Summary of Contents for EP 26 E

Page 1: ...E P 2 6 _ 4 2 E _ 2 0 0 8 2 7_ e n r e v 8 k r a f t 1 1 6 d i s p l a y v 1 0 6 p a n n t y p 7 Installation and maintenance EP 26 E EP 42 E Seven stage electric boilers 26 42 kW...

Page 2: ...UTK function row 16 Max boiler temperature row 17 Max boiler temperature setting row 18 manual activation of rows 19 20 and 21 row 19 Manual activation test run output stage row 20 Manual circulation...

Page 3: ...ed Boiler type EP 26 E EP 42 E Manufacturing number Installation date Installation engineer Tel Other Notes Number of output stages Factory setting 7 Circulation pump Factory setting 0 Main fuse Facto...

Page 4: ...he reset plug is removed during reset Never carry out maintenance work service on pressure bearing parts when they are pressurised The boiler may not be used by children or people with physical or men...

Page 5: ...he input can be adapted for 0 10 or 0 20 mA Output available 0 10 Vdc for external display of connected output Outdoor temperature compensator An outdoor temperature sensor is available as an accessor...

Page 6: ...eously pressing and on any menu row in User Level The same action is used to return to User Level Access to the Advanced Service level is obtained by setting the value 21 in the last menu bar in Servi...

Page 7: ...w is displayed All active alarms are acknowledged at the same time The red indicator will stop flashing and return to solid red The display remains on the alarm row and displays the alarm code s Once...

Page 8: ...evel adjustment 1 Displays the value if UTK is enabled in the Factory menu and in the Service menu otherwise 5 30 20 Display at un activated UTK function optional or UTK function closed UTK curve slop...

Page 9: ...t day and a 70 C supply temperature for a high temperate system The coldest day is the lowest temperature that normally occurs in the location Adjustment of basic setting For low temperatures select a...

Page 10: ...12 17 3 3 11 25 16 2 18 25 9 4 15 0 21 6 24 34 6 5 18 75 27 0 30 43 2 6 22 5 32 4 36 51 9 7 26 25 37 8 42 60 5 1 7 7 Display at un activated UTK function optional or UTK function closed UTK min Limit...

Page 11: ...he same parameter is used regardless of the selection above Must be adjusted if method Absolute temperature 6 95 C 10 Manual activation of rows 18 19 and 20 0 Off 1 limited to 15 minutes 0 Manual acti...

Page 12: ...the installation service level to 1 Fast stepping is deactivated automatically after 15 minutes Activation delay According to the recommendations a maximum of 50 of the output should be connected imme...

Page 13: ...can be changed in the Advanced Service menu on rows 16 and 17 Action in the event of a risk of freezing The boiler must not be in operation if you suspect that any part of the heating system is froze...

Page 14: ...oxygen free What is important is that the system is leak proof so that the water is not replaced with new oxygen rich water and the water is not oxygenated during operation In large systems it is impo...

Page 15: ...ner that protects against freezing To avoid oxygenation of the water the distance between the highest point of the heating system and the expansion tank must not be less than 2 5 m Pressure height mus...

Page 16: ...ical installation Electrical installation shall be carried out in accordance with the applicable regulations by an authorized electrical installer or by someone who is covered by the company s self in...

Page 17: ...tivation is done in advanced service level row 13 GND SIGNAL 1 5 2 1 2 3 4 8 Output control 0 10 mA 0 20 mA By connecting a resistor with a value as shown in the following figure the number of output...

Page 18: ...on 230V 4 External alarm indicator connection 230V 5 Connection current transformers 6 Optional room unit connection 7 Outside temperature sensor alternative temperature connection 8 Blocking voltage...

Page 19: ...A 15 Overheating protection output groups one and two 16 Overheating protection half output group three 17 Overheating protection half output group three 18 Contactor output group two 19 Contactor out...

Page 20: ...ure class IP x1 Number of steps 7 step Screwed cable joint 37 mm Volume 17 litres Calculation pressure 4 bar Test pressure 5 7 bar Design temperature 110 C Operating temperature 20 95 C Ambient temper...

Page 21: ...rcuit breaker 1 13 218020 EMI filter 11 210221 Circuit board panel 700414 Overlay 1 42 E 20 110016 Immersion heater 6 kW 1 21 110044 Immersion heater 12 kW 1 22 110044 Immersion heater 12 kW 2 300017...

Page 22: ...ectable via Menu Advanced Service level rows 16 17 At overtemperature the connected output steps out and steps in again only when the temperature has dropped below the limit Low boiler temperature Yel...

Page 23: ...temperature sensor The sensor must not be connected to the circuit board during resistance measurement When the boiler is energized voltage is measured in the sensor s connection points at the PCB Bo...

Page 24: ...V rmebaronen AB Arkelstorpsv gen 88 SE 291 94 Kristianstad Tel 46 44 22 63 20 www varmebaronen se www varmebaronen com info varmebaronen se...

Reviews: