Modulating Pump Pompa Modulante At Variable Speed (M) A Velocita' Variabile (M) - Sime MURELLE HE 35 R M Manual Del Usuario

earth or badly worn and must be repla-
ced. 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 auto-
matically start up again.
600
500
400
300
200
100
0
POMPA FISSA
FIXED PUMP
CON BY-PASS
BY-PASS INSERTED
Portata Prevalenza
(l/h) (mbar)
0 524
100 505
200 484
300 462
400 438
500 419
600 397
700 382
800 357
900 333
- -
- -
102
3.9 HEAD AVAILABLE
TO SYSTEM (fig. 14 - fig. 14/a)
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
200 400
POMPA MODULANTE A VELOCITA' VARIABILE (M)
CON BY-PASS
BY-PASS EXCLUDED SENZA BY-PASS BY-PASS INSERTED
Portata
Portata Prevalenza
(l/h)
(l/h) (mbar)
0
0 569
100
100 561
200
200 547
300 523 300
400 486 400
500
500 466
600
600 435
700
700 397
800
800 361
900
900 338
1000
- -
- - 1090
C
A
is set as default (installation parameter
PAR 13 = - - ).
To obtain the maximum head available to
the system, turn off the by-pass by turning
the union to the ver tical position (fig.
14/a).
con by-pass
by-pass inserted
senza by-pass
by-pass excluded
FIXED PUMP
POMPA FISSA
MODULATING PUMP
POMPA MODULANTE
A VELOCITA' VARIABILE (M)
AT VARIABLE SPEED (M)
600 800 1000
MODULATING PUMP AT VARIABLE SPEED (M)
SENZA BY-PASS
BY-PASS EXCLUDED
Prevalenza
Portata
(mbar)
(l/h)
484
0
471
100
453 200
437 300
416 400
397
500
377
600
361
700
338
800
305 900
255 1000
209 1090
KEY
D
A By-pass inserted
B By-pass excluded
C Water pressure transducer
D Automatic air vent
B
REFERENCE BY-PASS POSITION
RIFERIMENTO POSIZIONE BY-PASS
1200
PORTATA (l/h)
FLOW RATE (l/h)
Prevalenza
(mbar)
528
521
510
495
475
451
422
389
350
306
254
209
Fig. 14
Fig. 14/a