Igema NA7-130, Installation And Operating Instruction

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9.3 Commissioning of unit if boiler is already in operating condition
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Close drain valve (A) / plug (6) (see sketch chapter 6).
•
Open slowly shutoff valve W and then shutoff valve (D)
•
Check position of magnetic switch (2) in operating condition and adjust the height if
necessary.
9.4 Anti-frost device
Insulated units which are used in the area of temperatures below 0°C must be provided with
a flap indicator with anti-frost device. Pass setting magnet bottom-up laterally of the anti-frost
device to adjust the flaps.
10. Maintenance
When using viscous or crystallizing media, clean standpipe (2) and float (2.1) inside in regular
intervals and during boiler revision.
Attention danger of life!
Unit may be hot during commissioning and during operation.
Customer can possibly provide safety device.
10.1 Cleaning of standpipe (2) and float (2.1)
Purging of connection pipework including case:
•
Close shutoff valves (W+D).
•
Slowly open drain valve (A) / plug (6) and drain medium
•
Slightly open valve (D) and close after approx. 2 seconds.
•
Slightly open valve (W) and close after approx. 2 seconds.
•
Close drain valve (A) / plug (6).
•
Open the shut-off valves (W+D) a little, the add-on housing is filled up.
•
Fully open shut-off valves (W+D) after filling of the standpipe.
Danger