
Heating system start-up
6
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We reserve the right to make any changes due to technical modifications.
Commissioning and maintenance instructions Logano GE434 Gas-fired special boiler • Issue 02/2003
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
Function checks
During commissioning and the annual inspection, check
all regulating, control and safety equipment for correct
function and correct adjustment, where applicable.
Checking the high limit safety cut-out (STB)
See control device documentation.
Checking the ionisation monitoring
1.
Simulating faults:
!
Disconnect the heating system from the mains
electrical supply, e.g. emergency stop switch of the
heating system upstream of the boiler room.
!
Remove the contact protector (Fig. 11,
) from
the monitoring lead (Fig. 11,
) and release the
plug-in connector.
!
Re-connect the heating system to the mains
electrical supply, e.g. switch ON the heating system
emergency stop switch.
The solenoid valve opens after approx. 12 seconds
(recognised by a quiet audible click).
Approx. 10 seconds later (for analog burner control
units) and approx. 20 seconds later (for digital burner
control units), the burner must change over to a fault
condition, i.e. the indicator lamp on the rest button lights
up.
Fig. 11
Remove the contact protector
Item 1:
Monitoring lead
Item 2:
Contact protector
2
1
PLEASE NOTE
We recommend the use of an ionisation
lead set from Buderus.
Содержание Logano GE434
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