11. Loosenscale onside and bottom of panwitha stiff nylonbrushor plastic scraper.
12. Flushwithwater.
13. Carefully cleanscale off float switch(make sure to reinstall correctly (see Figure 11.9 below).
14. Reinstall the pan, thermostat, standpipe, draincoupling and screws into the humidifier.
15. Operate the humidifier and check for leaks.
Figure 11.9 Correct float switch orientation
Item
Description
1
Correct switchorientation
2
Incorrectswitchorientation
10.4.2 Changing Humidifier Lamps
NOTE: Touching quartz lamps with bare hands will severely shorten bulb life. Skin oils create hot spots
on lamp surface. Wear clean cotton gloves when handling lamps.
The lamps are showninFigure 11.10 onthe next page.
1. Remove humidifier pan(see
Cleaning Humidifier Panand Float Switch
onthe previous page, steps 1 through
10).
2. Disconnect power from unit.
3. At humidifier, remove screws and cover from high-voltage compartment.
4. Disconnect one end of purple jumper wires.
5. Using a continuity meter, locate burned out lamp.
6. Remove lamp brackets under lamps.
7. Loosentwo screws securing lamp lead wires to junctionblock.
8. Pull bulb straight downand discard.
10 Maintenance
99
Содержание Liebert CW 038
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