56
the earth or badly worn and must be
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.
3.8
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 modulating pump system
is set as default (installation parameter
PAR 13 = Au
).
PORTATA (l/h)
0
600
500
3000
2500
2000
1500
1000
PREV
ALENZA RESIDU
A (mbar)
500
400
100
200
300
700
Portata
(l/h)
0
200
400
600
800
1000
1200
1400
1600
1700
(mbar)
PREVALENZA
RESIDUA
820
779
756
731
696
650
564
447
322
260
800
900
Fig. 14
RESIDU
AL
HEAD (mbar)
FLOW RATE (l/h)
Flow
rate
(l/h)
RESIDUAL
HEAD
(mbar)
Summary of Contents for MURELLE EQUIPE 100 BOX ErP
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