Maintenance - Daikin UATYA-BBAY1 Manuel D'installation, D'utilisation Et D'entretien

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  • FRANÇAIS, page 157
Loosen the mounting screws to move the metal sheet. Change the height of the metal sheet and then tighten the
screws.
For good air performances the holes are set in the factory with the height specified in the table.
Unit range from / to
Max. hole height [mm]
Hole height as set in the factory [mm]
6.9.4

Maintenance

Some checks are recommended in order to keep the hot air generator in efficient condition and give it a long service
life.
1) Check the condition of the start-up electrodes, the detection electrodes, and the pilot flame.
2) Check the condition of the fume exhaust and air return ducts.
3) Check the condition of the Venturi.
4) Check the cleanliness of the heat exchanger and of the burner.
5) Check and clean the syphon where condensate is collected.
6) Check the input pressure into the gas valve.
7) Check that the flame control equipment is in good working order.
8) Check the safety thermostat(s).
9) Check the ionising current.
The operations described in items 1, 2, 3, 4 and 5 must be performed after cutting off power to the
generator and after closing the gas line.
The operations described in items 6, 7, 8 and 9 must be performed with the generator ON.
6.9.4.1
Electrode inspection
Disassemble the pilot flame assembly and clean the net and the nozzle with a puff of compressed air.
Check that the ceramics is in good condition and then use emery paper to grind off any oxidation from the metal parts
of the electrodes.
Check that the electrodes are positioned correctly (ref. drawing below).
Check that the start-up electrode discharges the electric arc on the outer edge of the pilot burner (ref. "A" in the
figure).
It is important that the detection electrode is tangential to the pilot burner head and not inside it (ref. "B" in the figure).
Whenever the start-up/detection electrodes and the pilot flame are cleaned and inspected, all seals fitted between
the burner and the pilot flame must be replaced.
We reserve the right to make changes without any prior notice.
UATYA
4P645202-2
25/30
40/50
350
350
125
235
2,9 ± 0,5
A
Fig. 45 Generator electrodes
60/70
400
300
B
Translation from original instructions
80/190
800
635
Packaged Rooftop
65

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