Second Service Level (At First Service Level, Service Button Lights Up, Press Eco Button And Key Pad Lock Button Simultaneously Until 8.A Appears); Description Of The Service Functions; First Service Level - Bosch ZBR16-3A Series Installation And Service Instructions Manual
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Also See for ZBR16-3A Series:
- Installation and service instructions manual (120 pages) ,
- Operating instructions manual (48 pages) ,
- Manual (4 pages)
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11.2.2 Second service level (at first service level, service button
lights up, press ECO button and key pad lock button
simultaneously until 8.A appears)
Service function
Display
8.A
Software version
8.b
Code plug number
8.C
GFA Gas burner control status
8.d
GFA Gas burner control fault
8.E
Restore boiler to factory settings
8.F
Permanent ignition
9.A
Constant mode
9.b
Current fan speed
9.C
Current boiler output
9.d
Set fan start speed
9.E
Turbine signal delay
9.F
Heating zone pump post purge
A.b
Display DHW temperature
A.C
Display DHW tank temperature
b.F
Solar DHW backup heating delay
C.d
Display current heat demand
Table 29 Service functions, 2nd level
11.3 Description of the service functions
11.3.1 First service level
Service function 1.A: Maximum space heating output
Some gas supply companies offer a performance-dependent basic
price.
The output can be limited in percent between the minimum and
maximum nominal output to suit the specific heat demand.
Even if the heating output has been limited, the
maximum nominal output is still available for DHW
generation.
▶ Select service function 1.A.
▶ Select heat output in MBH (kW) and determine associated setting in
percent (%).
▶ Enter the setting ( 11.1).
▶ Save the setting ( 11.1).
▶ Record the set heat output in the commissioning log ( page 81).
▶ Exit the service functions.
The display returns to the supply temperature.
Default setting is the maximum nominal output: 100 (100 %).
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Service function 1.b: Maximum DHW output
The hot water output can be adjusted between the minimum and
maximum DHW outputs to suit the heat transfer capacity of the DHW
tank coil.
▶ Select service function 1.b.
Page
▶ Select the DHW output in MBH (kW) and determine the associated
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setting in percent (%).
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▶ Enter the setting ( 11.1).
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▶ Save the setting ( 11.1).
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▶ Record the set DHW output in the commissioning log ( page 81).
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▶ Exit the service functions.
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The display returns to the supply temperature.
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Default setting is the maximum nominal output: 100 (100 %).
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Service function 1.E: Pump mode for space heating operation
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If an outdoor temperature sensor for an outdoor reset
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control is connected, pump control mode 04 is
automatically set.
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• Pump control mode 00 (automatic mode): The BUS control controls
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the central heating pump.
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• Pump control mode 01: For heating systems without control.
The supply temperature controls the central heating pump. When
there is a demand for heat, the central heating pump and the burner
start up.
• Pump control mode 02: Do not use.
• Pump control mode 03: The central heating pump runs continuously
(exceptions: See heating control operating instructions).
• Pump control mode 04: Intelligent control of central heating pump in
heating systems with outdoor reset control. The heating zone pump is
only switched on when needed.
Default setting is 00.
Service function 1. F: Pump mode (only heating boiler ZBR..-3A)
NOTICE: System damage or boiler malfunction!
▶ Never change the setting of this service function on
combi boiler ZWB..-3A appliances.
Based on this setting, the pump connected to the Heatronic or 3-way
valve are controlled according to the configuration of the heating
system.
The following settings are possible:
• Pump mode 00: The appliance is used only as central heating boiler.
• Pump mode 01: A 3-way valve for DHW tank loading is connected in
boiler circuit before low loss header (see also service function 2.A).
• Pump mode 02: Do not use this setting!
• Pump mode 03: A DHW tank pump is connected on the system side
after the low loss header.
In DHW mode, DHW tank loading pump runs.
In space heating mode, DHW tank loading pump does not run.
Default setting is 03.
Heatronic boiler control settings | 59
6 720 806 992 (2015/03)
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