Exodraft EBC20 Installation And Operation Manual Download Page 18 | Manualshive

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2.4.2

Single boiler application with potential free contact in boiler

This example shows how to connect a potential free contact to the EBC20 to start/stop the fan:

• Connect the supply voltage to terminals 1–3

• Connection to the boiler:

Connect the potential free contact to terminals 11 & 19

Loop terminals 12 & 20

Connect the burner start signal to terminals 13 & 14

• Connect the chimney fan to terminals 4–6

• Connect the pressure transducer (XTP) to terminals 23–25 using a a shielded

cable 3x0,75 mm

2

and connect the cable shielding to the cable bracket

3002878-EBC20-UK

18

• Pressure control

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Summary of Contents for EBC20

Page 1: ...Instructions for fitting installation and operation UK EBC20 Read and save these instructions ...

Page 2: ... 23 2 5 1 Layout of the user menu 23 2 5 2 Operating the user menu 23 2 6 Set up 23 2 7 Commissioning 24 2 8 Special functions 24 2 8 1 Start stop through temperature sensor on the fume output 24 2 8 2 Boiler controlled process 24 3 2 stage speed regulation of exodraft chimney fan 25 3 1 Use 25 3 2 Method of operation 25 3 3 Electrical connection 25 3 4 Sample wiring diagrams 25 3 4 1 1 x 2 stage ...

Page 3: ...tions contact the supplier at the address or telephone number listed on the back of the manual Before servicing or cleaning the unit switch off at service panel and lock service panel to prevent power from being switched on accidentally Installation work and electrical wiring must be done by a qualified person s in accordance with applicable codes and standards Follow the appliance manufacturer s ...

Page 4: ...he EBC20 can also be used for boiler systems with modulating burners The control system monitors chimney draft and shuts down the burner in the event of errors the alarm diode on the EBC20 will turn on The control system is intended for both solid fuel boilers atmospheric gas boilers condens and forced draft boilers for oil and gas The EBC20 can control a chimney fan directly or indirectly via a f...

Page 5: ...re in the chimney EBC20EU02 E 2 m silicone hose 2000335 Supplies the pressure transducer XTP with reference pressure from the measuring probe or from outdoors Instructions 3002878 Instructions for fitting installation and operation 1 2 Accessories Part Item no Function Relay ES12 If more than 2 boilers are connected Extern PDS PDSBOX Measures pressure in chimney Isolation switch REP AFB Isolation ...

Page 6: ...e EBC20 and pressure transducer XTP in the boiler room Connect the hose for measuring reference pressure outdoor atmospheric pressure to the negative terminal B1 on the pressure transducer Run the hose outside the building to a place that is not affected by wind rain etc If appropriate fit the free end of the hose in a box as described at the top of the next page Note Special aspects if you requir...

Page 7: ...d to keep water out If the pressure transducer is positioned in a place where insects have access to the free end fitting a sinter filter is recommended 1 4 Layout of the user interface 1 4 1 Panel F A B C D E Pos Part Function A Alarm indicates alarms B Display displays operation and changes in the user interface menu system indicates alarms shows normal operation status C and forward or back in ...

Page 8: ...ive 13 14 BURNER 1 OUT 250VAC 4A AC3 green the relay is connected 15 16 BOILER 2 IN 18 230VDC VAC green the input is active 17 18 BURNER 2 OUT 250VAC 4A AC3 green the relay is connected 19 20 24 VDC OUT 100mA green power supply OK red overload 21 22 0 10 V OUT 20mA green the output is active 23 24 25 XTP IN green XTP connected red return voltage 12 VDC 26 27 28 PDS IN green C NO are connected 29 3...

Page 9: ...Symbol for pressure controlled regulation of exodraft chimney fan 8 Symbol for pressure controlled regulation of exodraft supply air fan 9 Symbol indicating PDS error PDS check flashing 10 Operation screen current pressure Menu screen current menu 11 Units 12 Units 13 Menu screen VALUE and in some cases SETPOINT displayed Setpoint for the menu item in question 14 Temperature symbol indicates Opera...

Page 10: ...n by qualified technical staff Layout of the user interface The user interface is operated through four buttons with the following functions Button Function Activate the user menu Edit and save settings Activate service menu press and hold for 3 seconds and Go to menu item and adjust value Return to operation screen from any point in the menu system Reset alarm when manual reset is selected in men...

Page 11: ...r menu 3 Press Press and until the required pressure appears in the lower display 4 Press OK to confirm the setting 5 To finish and return to the operation screen press RESET NB This procedure only applies to setting up the chimney draft If you wish to Set the EBC20 up for 2 stage speed regulation of a chimney fan see page 25 Set the EBC20 up for pressure control of a supply air fan see page 31 OK...

Page 12: ...h the set point for this menu being shown in the lower display pos 13 on page 9 Menus whose last digit is 0 are exit menus These are used to navigate one level back To do so press OK To activate the editing options for a menu item press OK The set point will start flashing Confirm and save selection with OK To exit the service menu press RESET This will take you back to the operation screen Altern...

Page 13: ...sion x xx x xx x xx 15 Select XTP measurement range 150 Exit 151 Set Low XTP value from 500 Pa to 0 Pa 0 Pa N A 0 Pa 152 Set High XTP value from 0 Pa to 500 Pa 150 Pa N A 150 Pa 16 Positive negative pressure 1 negative pressure 2 positive pressure 1 N A 1 17 OEM functions 170 Exit 171 Cooker function Switch Cooker function ON and OFF N A OFF N A 18 Reset to defaults Reset to defaults If you select...

Page 14: ... A 3 353 Differential time Td Set differential time from 1 to 30 s 1 N A 5 354 Sample time Set sample time from 1 to 999 ms 300 ms N A 300 ms 36 Boiler controlled prepurge 360 Exit 361 ON OFF Forced boiler controlled prepurge ON OFF OFF OFF 362 Fan speed Manual setting 35 100 100 100 363 Input priority OFF Forced boiler controlled prepurge ON Boiler 1 OFF OFF 4 Temperature sensor 40 Exit temperatu...

Page 15: ...K to go to menu 10 3 Press to go to menu 11 Press OK 4 Press until the symbol and number for the operating function you require is displayed The three operating functions are 1 Pressure controlled regulation of exodraft chimney fans default 2 2 stage speed regulation of exodraft chimney fans 3 Pressure controlled regulation of exodraft supply air fan symbol is changed 5 Press OK to confirm and sav...

Page 16: ...are linked to light emitting diodes for the monitoring and service of the system 1 4 2 Light emitting diodes and terminal board page 8 The EBC20 has 0 10V output signals for controlling multiple chimney fans via frequency converters or motor power relays 2 3 Electrical connection This work must be performed by a qualified electrical engineer in accordance with locally applicable rules and legislat...

Page 17: ...e boilers Connect the burner start signal L to terminal 11 15 Connect the neutral wire to terminal 12 16 The start signal for the burner is sent from terminal 14 18 Loop terminals 11 and 13 Loop terminals 15 and 17 Connect the chimney fan to terminals 4 6 Connect the pressure transducer XTP to terminals 23 25 using a a shielded cable 3x0 75 mm2 and connect the cable shielding to the cable bracket ...

Page 18: ...e to terminals 1 3 Connection to the boiler Connect the potential free contact to terminals 11 19 Loop terminals 12 20 Connect the burner start signal to terminals 13 14 Connect the chimney fan to terminals 4 6 Connect the pressure transducer XTP to terminals 23 25 using a a shielded cable 3x0 75 mm2 and connect the cable shielding to the cable bracket 3002878 EBC20 UK 18 Pressure control ...

Page 19: ...age to terminals 1 3 Connect the burner startsignal to terminal 12 The start signal to the burner comes back on terminal 14 Connect the burner start signal to terminal 11 Loop terminals 12 and 13 Connect the chimney fan to terminals 4 6 Connect the pressure transducer XTP to terminals 23 25 using a a shielded cable 3x0 75 mm2 and con nect the cable shielding to the cable bracket Set the value in m...

Page 20: ...erter Connect terminals 21 22 to the frequency converter input for external speed regulation Terminals 26 and 28 can be connected to the frequency converter alarm output Connect the pressure transducer XTP to terminals 23 25 using a a shielded cable 3x0 75 mm2 and con nect the cable shielding to the cable bracket Connecting the boiler Connect the burner start signal L to terminal 11 Connect the ne...

Page 21: ...nals 1 3 Loop terminals 11 15 19 Loop terminals 12 16 20 Connection to boiler example with 2 boilers Connect the boiler 1 start signal to terminals 13 14 Connect the boiler 2 start signal to terminals 17 18 Connect the chimney fan to terminals 4 6 Connect the pressure transducer XTP to terminals 23 25 using a a shielded cable 3x0 75 mm2 and connect the cable shielding to the cable bracket 3002878 ...

Page 22: ...oiler Connect the burner start signal L to terminal 11 Connect the neutral wire to terminal 12 Loop terminals 11 and 13 The start signal from the burner comes from terminal 14 Connect the ventilator to terminals 4 and 6 Connect the pressure transducer XTP to terminals 23 and 25 Using a junction box connect the temperature sensor to terminals 29 and 31 Set menu 41 to ON Other settings should be cho...

Page 23: ...menu items 1 4 in the same way as shown in the example in page 11 To operate menu items 1 4 use the buttons as follows Step Press To 1 OK Activate the user menu 2 and Go to the menu item you wish to edit 3 OK Edit the menu item selected 4 and Adjust the required set point 5 OK Confirm and save the required set point 6 RESET Return to operation screen NB If you do not press RESET the EBC20 will aut...

Page 24: ...l Boilers with forced draft typically 20 30 Pa Boilers with atmospheric burners typically 5 10 Pa Set up according to site conditions can be determined by boiler commisioning engineer 2 8 Special functions 2 8 1 Start stop through temperature sensor on the fume output The control can start and stop the fan automatically with the temperature sensor 2 4 6 Solid fuel boiler with temperature sensor pa...

Page 25: ...up function The step up function in the EBC20 prevents unintentional disconnection of the system on account of changes in wind and weather conditions The step up function performs a stepped increase of the voltage as a result of protracted draft errors In principle this can be repeated until maximum voltage has been reached 3 3 Electrical connection This work must be performed by a qualified elect...

Page 26: ... 12 20 Loop terminals 16 20 Connection to the boiler Connect stage 1 potential free contact to terminals 11 and 19 Connect stage 2 potential free contact to terminals 15 and 19 Connect the burner start signal to terminals 13 14 Connect the chimney fan to terminals 4 6 Connect the PDS to terminals 26 28 Set the value in menu 31 to 1 PDS connected NB If is flashing the EBC20 is preparing for a PDS c...

Page 27: ...or the burner from boiler 1 is connected to terminal 14 Connect boiler 1 N to terminal 12 Connect the start signal for boiler 1 L to terminal 11 The start signal for the burner from boiler 2 is connected to terminal 18 Connect boiler 2 N to terminal 16 Connect the start signal for boiler 2 L to terminal 15 Connect the chimney fan to terminals 4 6 Adjust the value in menu 31 to 1 PDS connected NB I...

Page 28: ...e operating function The procedure for setting up the operating function is described in 1 7 2 Changing between the operating functions page 15 Using the buttons To operate menu items 1 5 use the buttons as follows Step Press To 1 OK Activate the user menu 2 and Go to the menu item you wish to edit 3 OK Edit the menu item selected 4 and Adjust the required set point 5 OK Confirm and save the requi...

Page 29: ...yed 2 Press 3 Press and until the output you require for stage 1 LOW in this example 41 is displayed Press OK to confirm and save the setpoint 4 Only for 2 stage systems Press to go to menu 2 and the settings for stage 2 HIGH 5 Repeat steps 2 3 of the procedure only this time use them to regulate stage 2 To finish press RESET NB If you do not press any buttons for 30 seconds the EBC20 will automat...

Page 30: ... the correct draft If the PDS shows an error the alarm diode and flashes adjust the setting of the PDS 5 Only for 2 stage systems Start the system on stage 2 Access menu 2 and slowly adjust HIGH to the correct draft Both boiler thermostats 1 and 2 must be connected the BOILER 1 IN and BOILER 2 IN diodes light green 6 Check that the monitoring system shuts down the boiler If necessary you can simul...

Page 31: ...iler room is sufficient A safety function ensures that if the pressure in the boiler room is insufficient the EBC20 will shut down the boilers 4 3 Electrical connection This work must be performed by a qualified electrical engineer in accordance with locally applicable rules and legislation The installation of the supply cable must be carried out in accordance with applicable regulations and legis...

Page 32: ... Connect the potential free contact to terminals 11 19 Frequency converter Connect terminals 7 8 to the start stop input on the frequency converter Connect terminals 21 22 to the frequency converter input for external speed regulation Terminals 26 28 can be connected to the frequency converter alarm output Connect the pressure transducer XTP to terminals 23 25 using a a shielded cable 3x0 75 mm2 a...

Page 33: ...led regulation of exodraft supply air fans you will have to change the operating function For setting up the operating function see page 15 Using the buttons Step Press To 1 OK Activate the user menu 2 and Go to the menu item you wish to edit 3 OK Edit the menu item selected 4 and Adjust the required set point 5 OK Confirm and save the required set point 6 RESET Return to operation screen NB If yo...

Page 34: ...e appropriate training and with the authorisation to do so according to local legislation Do as follows Step Action 1 Provisional setting of the pressure in the boiler room Press OK to go to Menu 1 Press OK Press and to adjust the value until the required pressure is shown in the display Press OK to confirm and save the set point Press RESET to return to the operation screen 2 Start the boiler sys...

Page 35: ... the event of an alarm undertake the following procedure Step Action 1 Go to menu 4 menu 5 for operating function 2 to display the current alarm 2 Check the alarm overview next page to identify the alarm number 3 Solve the error 4 Press RESET to reset the alarm The alarm diode will switch off and the alarm symbol will disappear from the display 5 Restart the system if necessary The EBC20 will auto...

Page 36: ... alarm alarm for terminals 26 28 Check the connections to terminals 26 28 the setting in menu 31 2 the loop between terminals 26 and 28 If XTP is connected power off on the unit If error persist contact dealer defective unit A14 Temperature sensor not connected A16 24 VDC overloaded Check the load on terminals 19 20 If error persists contact dealer defective unit A17 XTP connected error only for t...

Page 37: ...rol LEDs Remove the front panel control LEDs This work must be performed by a qualified electrical engineer 5 2 2 Communication error If the display shows three horizontal lines in the lowest display box Press RESET and repeat the setting If the errror persists then the EBC20 is faulty Contact dealer 3002878 EBC20 UK List of alarms and troubleshooting 37 ...

Page 38: ...puts BOILER 1 IN BOILER 2 IN 18 to 230 VAC VDC Pressure sensor input XTP IN 0 to 10 VDC 20 mA Pressure switch input PDS IN 24 VDC 20 mA Temperature sensor TEMP IN 30 to 500 C Outputs Digital output relays BURNER1 OUT BURNER 2 OUT 250 VAC 4 A AC3 Motor regulator FAN OUT Supply voltage 3 Max 3 A AC3 Motor start stop relay VFD OUT 250 VAC 8 A AC3 Control signal 0 10 VDC 0 10V OUT 20 mA 24 VDC supply ...

Page 39: ...ng met de voorschriften uit de hieronder genoemde normen en standaards som omfattas av denna deklaration överensstämmer med följande standarder jota tämä selvitys koskee on seuraavien standardien mukainen sem eru meðtalin i staðfestingu Pessari eru i fullu samræmi við eftirtalda staðla sono stati fabbricati in conformità con le norme degli standard seguenti EN 60335 1 EN60335 2 102 EN 61000 6 1 EN...

Page 40: ...xodraft se www exodraft se NO exodraft a s Storgaten 88 NO 3060 Svelvik Tel 47 3329 7062 info exodraft no www exodraft no UK exodraft Ltd 10 Crestway Tarleton GB Preston PR4 6BE Tel 44 0 1494 465 166 Fax 44 0 1494 465 163 info exodraft co uk www exodraft co uk DE exodraft GmbH Soonwaldstraße 6 DE 55569 Monzingen Tel 49 0 6751 855 599 0 Fax 49 0 6751 855 599 9 info exodraft de www exodraft de 30028...

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