Thermo Scientific Thermo Scientific 3906, Руководство по эксплуатации

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Thermo Scientific Model 3900 Series | 5-17
Product Description |
Chapter 5
Lamp Exchange
If the useful life or the LLMF (Lamp Lumen Maintenance Factor) of a fluorescent lamp has
been reached or if it is defective, all 7 fluorescent lamps must be replaced in order to
correctly monitor the operating hours of the light module.
To replace the fluorescent lamps:

Disconnect the supply line of the environmental chamber space-switch off the mains
switch.

Let the environmental chamber cool down.

Open door.

Remove the supply cable of the light module.

Remove the light module from the environmental chamber and place it with the back
on a level surface.

Remove protective grid.
Replace fluorescent lamps with new lamps of the same type:

Loosen both lamp nuts.

Remove the lamp.

Remove the lamp nuts and install them on a new lamp.

Insert new lamp and make sure it snaps correctly.

Turn on union nut (hand tight).

Install protective grid.

Insert the light module into the environmental chamber.

Connect the supply cable of the light module, laying it in the corner, so that the air
circulation is not affected.

Close the door.

Switch on power supply to live - switch on mains switch.
NOTE
The labeling of the lamps must always be directed towards the reflector and
directed to rear side of the module.
NOTE
For ICH modules the correct position must be observed, Positions 2 and 6 are
for JUST lamps.