Bosch Appliances 100 Combi Boiler manual Pump curve of heating boiler

12 Bosch Greenstar Applications Manual

Pump curve of heating boiler

	25
	20
/ ft	15								4
H	10						3
			1		2
	5
	0
	0	1	2	3 .	4	5	6	7	8
				V / gpm
	7
	6
	5							4
H / m	4
	3				2		3
				1
	2
	1
	0
	0	200	400	600 .800 1000 1200 1400 1600
					V / l/h				6 720 641 933-59.1O

Fig. 4 Greenstar boiler pump curves

Key to Fig. 4

1Residual head pressure at speed 1

2Residual head pressure at speed 2

3Residual head pressure at speed 3 (default setting)

Pump curve of combi boiler (heating side)

	25
	20
H / ft	15							4
	10
	5						3
	0			1		2
	0	1	2	3 .	4	5	6	7	8
				V / gpm
	7
	6
	5								4
H / m	4
	3
	2							3
	1				1		2
	0
	0		400		.800		1200		1600
					V / l/h				6 720 641 933-61.1O

4Head pressure of the boiler pump by itself (at speed 3) H Head pressure in feet of head (m)

V Circulating water volume in gallons per minute (l/h)

Data subject to change Bosch Thermotechnology Corp.