Bedienungsanleitung Bosch Condens GC7000WP (Seite 22 von 52) (Englisch)

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Commissioning

Condens 7000 WP – 6721841195 (2022/01)

8 Commissioning

WARNING

Escaping gas.

▶ After completing the work, check the tightness of all gas-carrying

components.

CAUTION

Flue gas spillage.

▶ Check the tightness of all flue gas routing parts once the work is

complete.

▶ Complete the commissioning report during the commissioning

procedure (§ 15.7, p. 50).

8.1 Commissioning the boiler

NOTICE

Risk of boiler damage due to unsuitable fill water.

▶ Check the chloride content of the fill water, if the maximum heating

water temperature is set higher than 80 °C ( § 5.4, p. 12).

▶ Check whether the fill water satisfies the water quality requirements

( § 5.3, p. 12).

The boiler starts as soon as the operating pressure exceeds 0.8 bar.

If the operating pressure is lower than 0.2 bar, the appliance no longer

goes into operation.

▶ Open all radiator valves.

▶ Check whether the service shut-off valves of the connection sets are

open.

▶ Use an appropriate filling method in line with Water Regulations.

(

§ 2.11, p. 6).

▶Fill the heating system to a pressure of 2 bar and close the filling

valve.

▶Vent the radiators.

▶Fill the heating system again to a pressure of 2 bar.

▶Open the gas cock.

▶Venting the gas line.

▶Operate the appliance.

▶Start up the boiler.

8.2 Setting the parameters

Different parameters can be set in the settings menu so the

boiler can be adapted to the heating system.

▶ Go through the parameters in the menu Settings ( § 9.4, p. 26).

▶ Adjust the parameters if required.

▶ Make a note of which parameters have been modified in the

commissioning report ( § 15.7, p. 50).

Setting Maintenance type

With a maintenance period of 2 years, normal operation is considered to

be a maximum burner runtime of 4000 hours (every 2 years). During

commissioning, the anticipated burner runtime must be estimated in

order to set the right Maintenance type. During the initial inspection or

maintenance the burner runtime can be read out via the service menu

and the burner runtime Maintenance type modified if required.

▶ Open the menu Maintenance > Maintenance type.

▶ Based on the operation, estimate whether the maximum burner

runtime of 4000 hours will be exceeded in 2 years.

If the maximum burner runtime of 4000 hours in 2 years is likely to be

exceeded:

▶ Set Burner run time to 4000 hours.

If the maximum burner runtime is likely to be less than 4000 hours:

▶ Set Boiler run time to 24 months.

-or-

▶ Set Service date: 24 months after installation date.

Table 8 Maintenance interval parameters

Setting Min. boiler outp.

If the boiler is installed in a positive pressure cascade system, the

minimum load must be increased.

▶ Open the menu Limit values > Min. boiler outp..

▶ Increase the setting Min. boiler outp. ( table 9).

Table 9 Setting the Min. boiler outp. with positive pressure cascade

systems

Setting Maintenance

type

Burner run

time

Boiler run

time

Service date

Standard operation 4000 hours 24 months Date: 24

months after

installation

Factory Raised value with

positive pressure

cascade

Appliance type: [%] [%]

GC7000WP 50 28 36

GC7000WP 65 20 26

GC7000WP 85 24 28

GC7000WP 100 20 23

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