Hoval UltraGas 1000, Техническая информация

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6.6 Cleaning
The boiler is only allowed to be cleaned by
a licensed specialist or Hoval customer ser-
vice technician.
The Hoval gas boiler must be cleaned and serviced at
least once a year.
NOTICE
If the Hoval gas boiler was in operation dur-
ing the building phase, it is essential to check
the degree of contamination. Clean in the
case of heavy dirt build-up.
6.6.1 Cleaning the burner cylinder (inside and out)
The combustion cylinder must be cleaned
if visible contamination exists (such as depos-
its, e.g. builder's dust)
Ring spanner, screwdriver, vacuum cleaner,
compressed air, water
Preparation:
1. Remove cover plate
2. Fold out step board(s)
WARNING
The heat generator must be de-energised for
maintenance.
Set the blocking switch to "0" and disconnect
the heat generator from the mains (e.g. main
switch).
3. Close main gas valve.
4. Remove absorber hoods.
5. Undo all burner plug-in connections.
6. Unfasten the earth wire (1) on the burner cylinder
(Figure 7).
7. Disconnect gas connection from the gas valves.
With UltraGas 850-1150, use the supplied special
open-end spanner (Fig. 30).
8. Unscrew the fan with gas mixing device (2, Figure 8).
Figure: Types
(850,1000,1150)
!
Fig. 30
Removing and cleaning:
CAUTION
Danger of burns,
let the boiler cool down or wear protective
clothing.
9. Wear safety gloves when removing the burner
cylinder.
10. Remove the burner cylinder upwards (3, Fig. 33).
11. Clean the premix burner on the inside and out with
compressed air or thoroughly flush with water.
12. Remove released dust and dirt particles with a vacu-
um cleaner (4, Fig. 34).
Assembly:
13. Renew seal on gas connection
14. Assemble burner in the reverse order.
15. Check for gas leaks
16. Carry out flue gas measurement according to point
5.8
1
Fig. 31
47 4 217 215 / 00
MAINTENANCE