Whirlpool AGB 509/WP Instruction for Use download pdf (Page 11)

Replacement of injectors for pilot bur-

ner

The injector of the pilot burner can be reached by remo-

ving the lower front panel. Remove the side and lower

screws.

The pilot burner is in the front of the combustion chamber.

Unloose the screw and replace the injector with an appro-

priate one.

Minimum output adjustment

Once the appliance has been switched on, set the cock

knob on the minimum position.

Remove the cock knob that will reveal a small hole on the

panel of the appliance.

Turn the minimum adjustment screw on the cock with a

screwdriver through the hole on the panel.

Warning! Measure the minimum output pressu-

re directly at the output pressure connection on the

injector tube (see figure “Measuring gas pressure”)

Set the output pressure of the gas cock according to the

figures stated in table 4 - Minimum output setting).

After setting, seal the adjustment screw!

Warning! After each conversion, it is necessary

to check tightness and operation!

Maintenance of the appliance

Warning! : All maintenance operations shall only

be performed by a technically qualified service centre!

To ensure correct and safe operation, the appliance must

be inspected and serviced at least once a year only.

Maintenance includes also to control the components and

tear of pipes, feeding pipes etc..

It is advisable to replace worn components during mainte-

nance operations to avoid the need for other maintenance

calls and unexpected failures.

It is also advisable to apply for a maintenance contract

with the customer.

Possible failures and their elimination

Warning! : Only technically qualified service

centres can perform the operations described below!

Warning! : Before resetting the safety thermo-

stat, it is always necessary to eliminate the problem

causing its activation (only for models with indirect

heating)!

Control of primary air flow

Primary air can be considered correctly adjusted if no fla-

me lift is ensured when the burner is cold and the injector

lights when the burner is hot.

The distance “H” (see figure “Primary air regulation”) re-

commended for primary air adjustment is stated in table

page 8 in the “Technical data”.

038

03 - Gas kettles 50 lt

Once all the connections have been made, the appliance

and the overall installation must be checked following the

directions given in this manual.

Check in particular:

- that the protective film has been removed from the ex-

ternal surfaces;

- that connections have been made in accordance with

the requirements and directions indicated in this manual;

- that all safety requirements in current standards, statu-

tory regulations and directives have been met;

- that the water and gas connections are leak-free;

- that the electrical connection has been performed ac-

cording to standards.

Now the appliance can be ignited following the instruc-

tions for use and controlling the following points:

- progressive ignition of the burner;

- even flames;

- flame security: check these points at both minimum

and maximum output.

Check that the flue gas exhaust is not clogged and that

they are expelled without any hindrance.

The test report must be completed in full and submitted to

the customer who should then sign in acceptance. With

effect from this moment, the appliance is covered by the

manufacturer’s warranty.

Conversion to other types of gas

To convert the appliance for use with another type of gas,

the injectors on the main burners and on the pilot burner

need to be replaced. (See table page 8 and figure “Main

burner”).

All the injectors needed for the different types of gas are

contained in a bag supplied with the appliance.

The supply pressure and the manual setting of minimum

output should also be checked. (See table page 8 –

Minimum output setting).

Replacement of injectors for main bur-

ners

The injectors can be reached by removing the lower front

panel, once the two side screws have been unloosed.

Disconnect the tube with the injectors, unloose the screws

and remove.

Use a fixed wrench SW11 to unscrew the injector and re-

place it with a suitable one.

Re-install the primary air regulation bracket at the distance

“H” as shown in table page 8, see also “Primary air regula-

tion”.

COMMISSIONING AND TESTING

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Whirlpool AGB 509/WP Instruction for Use Page 11

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