Bosch Greenstar combi 151 p - 9 Boiler Circulator; Pump Anti-Seize Protection; Changing the Pump Curve of the Boiler Pump; Heatronic Boiler Control Settings

Boiler circulator | 39
6720872361 (2017/04)Greenstar combi 100 p / 151 p
9 Boiler circulator
9.1 Pump anti-seize protection
This function prevents the heating zone pump from seizing up following
longer idle periods.
The appliance will briefly run the pump at least every 24 hours after its
last activation.
9.2 Changing the pump curve of the boiler pump
The speed of the boiler pump can be changed using the dial on the pump.
Fig. 54 Pump curve of the boiler pump combi boiler ZWB..-3A
Key to Fig. 54:
[1] Residual head pressure at speed 1
[2] Residual head pressure at speed 2
[3] Residual head pressure at speed 3 (default setting)
[4] Head pressure of the boiler pump by itself (at speed 3)
H Head pressure in feet of head (m)
Circulating water volume in gallons per minute (l/h)
In order to save as much energy as possible and keep any water
circulation noises to a minimum, select the lowest possible pump speed.
10 Heatronic boiler control settings
10.1 Guideline to service functions
The Heatronic allows easy setting and testing of many appliance
functions.
For an overview of service functions, see Chapter 10.2 on page 40.
Fig. 55 Overview of the controls
[1] Emissions test button
[2] Service button
[3] Display
[4] ECO button, service functions “up”
[5] Key pad lock, service functions “down”
Selecting a service function
The service functions are subdivided into two levels: The 1st level
includes service functions up to 0.E, the 2nd level includes service
functions starting with 8.A.
▶ Press and hold the service button until it lights up.
The display shows a code such as 1.A (first service level).
▶ Repeatedly press the key pad lock button or ECO button to scroll to
the desired service function.
▶ Press and release the emissions test button .
The chimney sweep button lights up and the display shows the
setting for the selected service function.
Adjust Value
▶ Repeatedly press the key pad lock button or ECO button to adjust the
value up or down.
▶ Record the value in the commissioning log ( page 60).
Saving the value
▶ Press and hold the emissions test button until the display
shows (value saved).
The unit automatically exits the service level if no button is pressed for
15 minutes.
Exiting the service function without saving values
▶ Briefly press the emissions test button .
The light of the emissions test button will go out.
0213546 87
15
20
25
10
5
0
H / ft
.
V / gpm
1
2
3
4
400 800 1200 1600
7
0
6
5
4
3
2
1
0
H / m
.
V / l/h
6 720 641 933-61.1O
1
2
3
4
V
max
1
2
3
4
e
6
max
1
2
3
4
5
6
1
2
3
4
5
6 720 641 933-52.1O
reset
eco
min