4. Concluding work
DANGER
Risk of explosion due to leaking gas
Improper work can lead to escaping gas and explosions.
▶
Tightly close screws after working on the test points of the gas combi valve.
▶
Recheck O
2
content at maximum and minimum rating and optimise if necessary.
▶
Close the test points and replace covers.
▶
Enter combustion values and settings in the commissioning record.
▶
Inform the operator about the use of the equipment.
▶
Hand the installation and operating manual to the operator and inform him that this
must be kept on site.
▶
The operator should be told that the installation must be serviced annually.
If the type of gas is different to the factory set type:
▶
Apply the enclosed sticker for type of gas and gas pressure.
Installation and operating instruction
Gas condensing boiler WTC-GB 90-A
7 Commissioning
83266502 • 1/2010-08 • La
57-95
