59
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MAINTENANCE
Burner cylinder
Fan
Seal
Intermediate flange
4219076
27.05.2020
HOJK
ETL Brenner 50-UltraGas 2
(300-450)
A4
12976673 C84 000 02
/
/
/
Seal
Seal
Fig. 50
- Fasten the earth wire (Fig. 46) on the burner cylin-
der.
- Swivel the burner upwards, with the boiler door
11. Clean and adjust ignition and ionisation devices.
-
Sand ignition and ionisation devices with fine sand
-
paper if required.
- Clean away the sanding dust.
- Check all electrode gaps (see Fig. 51 and Fig. 52).
Ignition electrode
Ignition/ionisation electrode
4 mm
Fig. 51
10 ±2 mm
5 mm ±1 mm
Fig. 52
- Readjusting the electrode gaps if necessary:
- Heat the electrode at the kink with the blowtorch
until it glows red (see Fig. 51).
- Use long-nose pliers to bend the electrode until
the required gap is set.
12. Clean the combustion chamber:
NOTICE
The combustion chamber and the heating
surfaces (combustion chamber and Tur-
boFer
®
stainless steel composite pipes) of
the UltraGas
®
2 must be cleaned
once a
year
.
CAUTION
Danger of chemical burns from cleansing
agents.
• Wear safety gloves and protective goggles
when using cleansing agents.
• Observe the manufacturer’s instructions
regarding the use of all cleansing agents.
NOTICE
Damage to the plant by using incorrect
cleansing agents.
• Only use cleansing agents that are ap-
proved for gas boilers having aluminium
components.
• Always check cleansing agents for compat-
ibility with aluminium and stainless steel.
NOTICE
Cleansing agents in the condensate drain
and/or sewage system.
Cleansing agents can impair the function of
the neutralisation unit. Furthermore, not all
cleansing agents are allowed to enter the
sewer system.
• Before cleaning, check whether the cleans-
ing agent to be used is allowed to enter the
sewer system and the neutralisation unit, if
present. If not:
- Before cleaning, take measures to pre-
vent the cleansing agent from entering
the condensate drain.
- If necessary, after cleaning, dispose of
the cleansing agent properly according
to the manufacturer’s instructions.
Содержание 51-UltraGas 2 1000
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