Radiant RK 100, Инструкция по эксплуатации, Страница: 64 / 72

MAINTENANCE INSTRUCTIONS
RK 100 - RAD - ING - MAN.INST - 1311.1 - DIGITECH CS MIAH4
60
6.6.10 Modulation circuit board
(see fig. 1-2)

Open the control panel
(see 6.3 “Accessing the
boiler”);


Disconnect all the connectors, remove the
regulating knobs, unscrew the four fixing screws and
remove the modulation circuit board;

Replace the circuit board and re-assemble the
components following the above procedure in
reverse order;

Switch on the electricity, water and gas supplies
and regulate the boiler
(see 5.4 “Gas data”)
;
The present parameters of the printed circuit
board correspond to a 100 kw only heating
condensing boiler fed by natural gas.
When replacing the modulation circuit board,
it’s necessary to set parameter according to
the boiler model (see 5.3”
Setting the
parameters
’).
modulation circuit board
modulation circuit board
Fig. 1
Fig. 2