Glow-worm ENERGY 25c, Installation And Maintenance Instructions Manual, Page: 16 / 52

7 Start-up
16
Installation and maintenance instructions ENERGY 0020177746_03
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The display switches to the basic display.
6.3 Using check programmes
By activating various check programmes, you can trigger
various special functions on the product.
Check programmes
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Overview (
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Page 30)
6.3.1 Calling up the check programmes
1.
Hold the button down for more than 5 seconds.
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All symbols are shown in the display.
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is shown in the display.
2.
Press and hold the button for five seconds.
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is shown in the display.
3.
Press the or button to select the check
programme.
4.
Press the button to confirm.
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on is shown in the display and the programme
starts.
5.
Press the and buttons at the same time whilst
running a check programme.
◁
The heating water temperature and the filling pres-
sure for the heating installation are shown altern-
ately in the display.
6.
Press the button to return to the check programme.
◁
The display shows the check programme.
7.
Press the button to finish the check programme.
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OFF is shown in the display.
8.
Press and hold the button for 3 seconds to finish
the check programmes.
◁
End is shown in the display.
◁
The display switches to the basic display.
Note
If you do not press any button for 15 minutes,
the current programme is automatically can-
celled and the basic display is shown.
6.3.2 Displaying the pressure and temperature of
the heating during a check programme
1.
Press the buttons simultaneously.
◁
Display the filling pressure in the heating installation.
◁
Display the heating flow temperature.
2.
Press the button to display the check programme
currently running.
7 Start-up
7.1 Carrying out the initial start-up
Initial start-up must be carried out by a customer service
technician or an authorised competent person using the first-
commissioning-checklist. The first-commissioning-checklist
in the appendix (
→
Page 42) of the installation instructions
must be filled out and stored carefully along with the unit's
documentation.
▶
Carry out the initial start-up using the first-commission-
ing-checklist in the appendix.
▶
Fill out and sign the first-commissioning-checklist.
7.2 Checking the type of gas
Make sure that the product is set up correctly by checking
the type of gas. This ensures optimum combustion quality.
▶
Check the type of gas as part of routine product mainten-
ance work when replacing components or carrying out
work on the gas route.
7.3 Checking the factory setting
The product's combustion has been factory tested and is
preset for operation with the gas group indicated on the iden-
tification plate.
The product is only authorised to be operated with natural
gas.
▶
Check the information about the type of gas indicated on
the identification plate and compare this with the type of
gas available at the installation location.
Conditions : The product design is not compatible with the local gas
group
▶
Do not start up the product.
Conditions : The product design is compatible with the local gas group
▶
Proceed as described below.
7.4 Checking and treating the heating
water/filling and supplementary water
Caution.
Risk of material damage due to poor-qual-
ity heating water
▶
Ensure that the heating water is of suffi-
cient quality.
▶
Before filling or topping up the installation, check the
quality of the heating water.
Checking the quality of the heating water
▶
Remove a little water from the heating circuit.
▶
Check the appearance of the heating water.
▶
If you ascertain that it contains sedimentary materials,
you must desludge the installation.
▶
Use a magnetic rod to check whether it contains mag-
netite (iron oxide).
▶
If you ascertain that it contains magnetite, clean the in-
stallation and apply suitable corrosion-protection meas-
ures, or fit a magnetic filter.
▶
Check the pH value of the removed water at 25 °C.