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ENGLISH
Maintenance instructions
Practical connection board
KEY
A1.....A8 Services connectors
DK Waterdeciencysafetypressureswitch
E.ACC./RIL Ignition/detection electrode
MD Modulating Coil
MVD Diverter valve motor
P Pump
SR Heating sensor
SS DHWsensor
TF Fluegasthermostat
TL Limitthermostat
VG Gas valve
V Fan
SE Externalprobeconnectionterminals
TA1 / OT Modulating TA connection terminals
TA2 On/off TA connection terminals