Boiler Service Functions; First Service Level - Benchmark ZWB 7-29 CC1 Installation And Servicing

Bosch Heatronic board functions
2.5

Boiler service functions

2.5.1

First Service Level

Operating
In order to change or check the values of the service
functions:
B Press the button
until the symbol
the display.
The button is lighted.
B Turn the temperature control
function number appears on the display.
Once changed or checked the function value:
Values that can be modified:
Description
.0 Show the last error code.
2.0 Identification of the function mode (0 = normal, 1= min, 2 = max)
2.2 Identification of the pump function mode
2.3 Max. output in heat store heating mode
2.4
1)
Anti-cycle time
2.5 Max. CH flow temperature
2.6 Minimum hysteresis in heating mode (∆T)
2.7 Activation of automatic anti-cycle time (0 = Disabled; 1 = Enabled)
3.4 Pump mode
Table 1 First Service Level; Values that can be modified
1) If appliance is used in conjunction with type TA... programmer, only effective if Service Code 2.7 is set to "0" (= "Disabled")!
2) The reset value is dependent on the code plug.
8
B Press the button
B Regulate the temperature control
In order to reset the main menu function values to their
default values:
– –
appears on
B Power OFF the appliance.
B Press the button
until the desired
B Switch on the appliance, press and hold the
until the symbol [ ] appears on
the display.
The display shows the heating outlet temperature.
perature control on the previously set positions.
and keep it pressed.
ton until the
display shows r1 followed by [ ].
Display
0 - FF
0 - 2
1 - 3
28 - 99
0 - 15 min
35 - 88˚C
0 - 30 K
0, 1
0 - 3
and the tem-
but-
Reset Value
Clear only
0
2
99
3 min
88˚C
0 K
1
2)
7 181 465 346 GB (03.02)