Bosch ZSB 30-2 A Operations Instructions download pdf (Page 48)

48 | Heatronic settings

6 720 644 143 (2010/09)

Service function 4.F: Siphon-fill programme

The syphon filling function ensures that the syphon trap

is filled when the appliance is first installed or shut down

for a long period. Flue gas is prevented from escaping

into the room where the appliance is installed.

The trap filling function is activated when:

• the appliance is switched on at the main switch

• the burner has not been in use for at least 48 hours

• the appliance is switched from summer to winter

mode

The next time the heating or hot water system calls for

heat, the appliance is held at minimum output for

15 minutes.

The syphon filling programme remains active until the

appliance has completed 15 minutes of operation at

minimum output.

The 2-digit display alternates between and the CH

flow temperature.

Service function 5.A: Reset service reminder

The burner service interval of 2324 hours has run out.

After the service inspection store 0 for resetting the

service interval.

Service function 5.b: Fan over-run time

B Set the time of fan over-run after a boiler demand.

Service function 6.A: Last fault

The last fault can also be recalled for servicing purposes

when the appliance is functioning correctly.

Service function 6.d: Current turbine flow rate (ZWB

only)

The actual flow rate of the turbine is displayed.

Service function 6.E: Programmer input

Shows the status of channel 1 of the timer DT10/20. Left

digit is “Heat demand”, heating mode will be activated

according to the programmer commands. Shows the

status of channel 2 of the timer DT20. Right digit is

“DHW demand”, hot water mode will be activated

according to the programmer commands.

Service function 7.A: Fault indicator LED ON/OFF

The fault indicator LED flashes in case of error even

when its setting is off (0).

DANGER: If the syphon is not filled, flue gas

can escape.

B Only deactivate the syphon filling

programme in order to carry out servicing

work.

B Always re-activate trap filling programme

once servicing is complete.

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 79 80

Comments to this Manuals

No comments

Bosch ZSB 30-2 A Operations Instructions Page 48

Comments to this Manuals

Related products and manuals for Water heaters & boilers Bosch ZSB 30-2 A