Heatronic Boiler Control Settings; Guideline To Service Functions; Overview Of The Service Functions; First Service Level (Press And Hold The Service Button Until It Lights Up) - Bosch ZBR16-3A Series Installation And Service Instructions Manual
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58 | Heatronic boiler control settings
11
Heatronic boiler control settings
11.1 Guideline to service functions
The Heatronic allows easy setting and testing of many appliance
functions.
For an overview of service functions, see Chapter 11.2 on page 58.
2
1
3
4
2
5
1
6
max
Fig. 74 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
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 emissions test button
will light 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 81).
Saving the value
▶ Press and hold the emissions test button
(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
Restoring factory settings
In order to reset all values for the service levels 1 and 2 to the factory
setting:
6 720 806 992 (2015/03)
3
reset
4
eco
5
3
4
e
2
1
6
max
min
6 720 641 933-52.1O
until it illuminates.
.
until the display shows
.
will go out.
▶ Press and hold the service button until it illuminates. The display
shows a code such as 1.A (first service level). Press the ECO button
and key pad lock button simultaneously until the code 8.A appears
(second service level).
▶ On the second service level, select the service function 8.E and value
00. The appliance restarts with the default settings.
11.2 Overview of the service functions
11.2.1 First service level (press and hold the service button
until it lights up)
Service function
Display
1.A
Maximum space heating output
1.b
Maximum DHW output
1.E
Pump mode for space heating operation
1.F
Pump mode
2.A
Heating circuit pump lockout time
2.b
Maximum supply temperature
2.C
Purging function
2.d
Thermal disinfection
2.F
Operating mode
3.A
Automatic anti-cycle function
3.b
Set anti-cycle time
3.C
Switching differential (hysteresis)
3.d
Minimum output (heating and DHW)
3.E
Cycle time, keeping DHW hot
3.F
Constant DHW period
4.b
Maximum heat exchanger temperature
4.d
Audible fault warning tone
4.E
Appliance type
4.F
Condensate trap filling sequence
5.A
Reset inspection interval
5.b
Fan post purge time
5.E
Functionality of black plug in boiler
junction box
5.F
Set inspection interval
6.A
Display the latest fault code
6.b
Room temperature control, current voltage,
terminal 2
6.C
Supply temperature required by outdoor
reset control
6.d
Current DHW turbine flow rate
7.A
Indicator lamp for burner operation / faults
7.b
3-way valve in center position
7.d
Connecting an external supply or low-loss
header temperature sensor
7.E
Building drying function
0.A
Do not use this setting!
0.d
Altitude adjustment
0.E
Metric or US customary units
Table 28 Service functions, 1st level
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