Sime MURELLE HM Para El Instalador página 108

replaced. The electronic board is faulty.
In the case of a sudden lack of voltage, the
burner will immediately switch off. When
voltage returns, the boiler will automatically
start up again.
800
700
600
500
400
300
200
100
0
108
3.9 HEAD AVAILABLE
TO SYSTEM (fig. 14)
Residual head for the heating system is
shown as a function of rate of flow in the
graph in fig. 14. The speed of the modula-
200 400
ting pump WILO-YONOS PARA PWM is set
as default (installation parameter PAR 13
= - - ).
600 800 1000 1200
PORTATA (l/h)
FLOW RATE (l/h)
Fig. 14