Second Service Level - Bosch Greenstar combi 100 p Installation And Service Instructions For Contractors

44 | Heatronic boiler control settings
Service function 0.d: Altitude adjustment
Input and output rates are reduced at higher altitudes due to thin air with
reduced oxygen levels.
The heat output is reduced by 3 % per 1000 ft (305 m).
This service function is used to set the fan speed for operation at higher
elevations (not available with this heat source).
The following settings are available:
• 00: Normal
• 01: Medium
• 02: High
Setting Elevation above sea levelInstallation location
higher than 2,000 feet (610 m) above sea level
00 0 ft – 2,000 ft (0 m – 610 m)
01 2,001 ft – 4,500 ft (611 m – 1 372 m)
02 above 4,500 ft (1 372 m)
Table 24 Altitude adjustment (service function 0.d) Altitude adjustment
(service function 0.d)
Default setting is 00.
Service function 0.E: Metric or US customary units
With this service function you can set if Metric or US customary units are
displayed on the boiler.
The following settings are available:
• 00: °C, l/min (metric units)
• 01: °F, gpm (US-customary units)
Default setting is 01.

10.3.2 Second service level

Service function 8.A: Software version
The current software version is displayed.
Service function 8.b: Code plug number
The last four digits of the code plug number are shown.
The code plug determines the appliance functions. If the appliance has
been converted from natural gas to LPG (or vice versa), the code plug
must be replaced.
Service function 8.C: GFA Gas burner control unit status
Internal parameter. If you are on the line with Bosch Technical Support
you may be asked for this number.
Service function 8.d: GFA Gas burner control unit fault
Internal parameter.
6720872361 (2017/04)
Service function 8.E: Restore boiler to factory settings
This function allows resetting all parameters of the boiler including all
service functions to their factory settings.
▶ Press and hold the service button
The display shows a code such as 1.A (first service level).
▶ Press and hold button and key pad lock button simultaneously until a
service function, e.g. 8.A, is displayed (second service level).
▶ Repeatedly press the key pad lock button or button until service
function 8.E is displayed.
▶ Press and release the emissions test button
The emissions test button
▶ Press and hold the emissions test button
shows appears on the display.
All settings are reset and the appliance restarts with the default
settings.
▶ Reset altered service functions to the settings recorded in the
commissioning log ( page 60).
Service function 8.F: Permanent ignition
NOTICE:
Ignition transformer damage.
▶ Never leave this function on for longer than 2 minutes at a time.
This function enables permanent ignition without gas supply to test the
performance of all ignition related components.
The following settings are available:
• 00: Off
• 01: On
Default setting is 00.
Service function 9.A: Constant mode
This function permanently sets one operating mode ( "Service function
2.F: Operating mode", page 41).
The following settings are available:
• 00: Default mode: the appliance runs according to control settings.
• 01: The appliance runs permanently at minimum output. The display
shows 9.A.
• 02: The appliance runs permanently at maximum output. The display
shows 9.A.
Default setting is 00.
Service function 9.b: Current fan speed
This service function allows you to display the current fan speed in
revolutions per second (1/s).
Service function 9.C: Current boiler output
This service function displays the current boiler output (in percent (%)).
Service function 9.d: Set fan start speed
At higher elevations the boiler fan may need to spin faster upon startup
to ensure reliable ignition every time. The start speed of the boiler fan
can be set from 45 to 77 revolutions per second (1/s).
Default setting is 50.
until it lights up.
.
lights up and the display shows 00.
until the display
Greenstar combi 100 p / 151 p