Checking the flexible conduit on the unit
Test criteria
If No
Change flexible conduit.
8.8 Check gas connection
Check gas connection line
Test criteria
• No damage, no creases.
• Firm fit.
• no unacceptable heating.
In case of no.
Inform the operator: The device must not be operated in a defective condition.
Do not carry out any further work.
Commission or plan repair work.
Check gas type
Test criteria
• Existing gas type matches the device setting.
In case of no.
Existing gas type does not match the gas type to which the device is set.
Inform operator: Do not carry out any further work. The unit must be switched to the correct gas type.
Checking the supply air and exhaust gas routing
Test criteria
• Supply air and exhaust gas ducting available.
8.9 Check flexible conduits
Check the flexible conduit in the unit
Test criteria
• Clamps are screwed on tightly.
If No
Tighten bolts or replace clamp.
Check tightness
Test criteria
• Hoses or flexible conduits are dry.
• No traces of moisture or corrosion visible.
If No
Change hose.
If replacement is not possible immediately, take the unit out of service.
Maintenance instructions
Performing maintenance
Remarks / values
Remarks / values
Remarks / values
Remarks / values
Remarks / values
Remarks / values
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
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