Checks and Maintenance
46
Bench Top User’s Manual
Procedure:
1. Unplug chamber power cord.
2. Turn off humidity water supply to the chamber.
3. Remove chamber rear access panel. Humidifier is inside on left hand side.
FIGURE 7.7.HUMIDIFIER CLEANING
4. Open humidifier drain valve.
5. Loosen thumbscrew clamp and quick disconnect drain fitting. Carefully remove bottom cup. Retain Tef-
lon ring.
6. Clean sediment/dirt from bottom cup.
7. Clean scale from heater and humidifier body.
8. Replace Teflon ring onto bottom cup and realign cup with humidifier body.
9. Tighten thumbscrew clamp and reattach drain.
Level Control
Humidifier Body
Thumbscrew Clamp
Humidifier Bottom
Cup
Heater
Drain Valve
Quick Disconnect
Drain Fitting
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