DeVilbiss UltraNeb - Assembly Instructions; Tools Required; Removing Housing; Fitting Housing

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1. Assembly instructions

1.1 Tools required

• Phillips screwdriver PH1, PH2

• 2.5 mm slotted screwdriver

• 5.5 mm socket wrench

• Soldering equipment

• Electronic edge cutter

• Allen key, size 4

• 14 mm combination wrench

• Multimeter with measuring ranges: 0 - 2 V DC, 0 - 20 V DC, 0 -

200 V DC, 0 - 300 V AC

1.2 Removing housing

• Loosen the housing fixing screws which are underneath the

device. (Fig. 1)

• Carefully lift housing upwards.

• Loosen plug from the push button board.

• Remove coaxial cable from securing clip.

• Place cover next to the device.

1.3 Fitting housing

• Attach the cable to the transformer with the securing clip.

• Expose housing and connect plug for push buttons to the

board.

• Close housing, screw to the base plate.

1.4 Fault finding

• Remove housing cover (see point 1.2)

• Connect push button box to the board.

• Fill chamber with distilled water up to the mark and fit cover.

• Fit nebuliser chamber.

• Switch on device.

• Locate fault using the fault-finding table.

• After identifying fault, change the defective component.

• Adjust the device following the setting instructions.

• Remove push button box and housing cover.

• Fit housing cover (see point 1.3)

• Check electrical safety according to VDE 0751 or IEC601-1

• Trial run

1.5 Changing PC board

1.5.1 Removing PC board

• Remove cover (see point 1.2)

• Loosen plug connection (J3)

• Remove M3 nuts

• Remove cable ties from transformer.

• Lift board and unsolder connecting cable for fan and heat

tube (J1, J5, J13) and for the transformer (J8, J9, J10).

• Remove board.

1.5.2 Fitting PC board

• Solder transformer connections to board

white = J10

orange = J8

red = J9

• Solder patient fan into J5 (see Fig. 2)

• Ensure polarity is correct!

• Solder device fan into J13 (see Fig. 2)

• Ensure polarity is correct!

• Solder heat tube connector (J1)

• Locate board onto the fixing bolts and attach using M3 nuts.

• Connect plug connections to the board (J3).