Wolf CGB-75 - Page 25

253062555_201804
12.Electricalconnection
The functions of output A1 can be scanned and adjusted with eBUS-enabled Wolf control accessories.
The following functions can be allocated to output A1:
1)
According to DVFG-TRF 2012 chapter 9.2, an additional on-site LPG valve is not required if it has been ensured that no potentially hazardous
quantityofgascanescapefromtheappliance.CGBcondensingboilersfullthisrequirement.
Code Meaning
0 Nofunction
Output A1 is not controlled
1 DHWcirculationpump100%
OutputA1isactivatedbycontrolaccessories(timed)ifDHWhasbeenenabled.OutputA1isconstantlyswitched
if no accessory controller is installed.
2 DHWcirculationpump50%
OutputA1isactivatedincyclesbycontrolaccessories(timed)ifDHWhasbeenenabled.5minutesONand
5 minutes OFF. Output A1 is constantly cycled in 5 minute intervals when no accessory controller is installed.
3 DHWcirculationpump20%
OutputA1isactivatedincyclesbycontrolaccessories(timed)ifDHWhasbeenenabled.2minutesONand
8 minutes OFF. Output A1 cycles constantly when no accessory controller is installed.
4 Alarmoutput
Output A1 is switched 4 minutes after a fault.
5 Flamedetector
OutputA1isswitchedafteraamehasbeendetected
6 Cylinderchargingpump(factorysettingforA1)
Output A1 is activated during cylinder heating.
7 Ventilationdamper
OutputA1isswitchedrstpriortoeachburnerstart.Theburnerwill,however,onlybeenabledafterinputE1has
been closed.
Important:InputE1mustalsoalwaysbeprogrammedas
"Ventilationdamper“!
ThefeedbacktoinputE1mustbebymeansofaoatingcontact(24V).Otherwise,useanon-siterelayfor
potential separation.
8 Externalventilation
Output A1 is switched inverse to the gas combination valve.
Switching off external ventilation (e.g. extractor fan) during burner operation is only required if the appliance is
operatedinopenuemode.
9 ExternalLPGvalve
1)
Output A1 is activated in parallel to the gas combination valve.
10 Externalpump
OutputA1switchessynchronouslywiththeheatingcircuitpump(HKP);usedforexamplewithsystemseparation.