POWERED FLOW-THROUGH HUMIDIFIER
5
68-3074—01
MAINTENANCE
A regular maintenance program prolongs the life of the
humidifier and provides a more comfortable environment.
Frequency of cleanings depends on water conditions.
Either hard or soft water can be used in the humidifier, but hard
water mineral deposits are more difficult to clean then soft
water deposits.
Use the following procedure to clean the humidifier.
CAUTION
Personal Injury or Equipment Hazard.
Power Supply can cause electrical shock or
equipment damage.
Disconnect power supply before performing humidifier
maintenance.
IMPORTANT
Never oil any part of the humidifier.
Every 1 To 3 Months
(Depending on Water Quality)
1.
Disconnect the power and turn off the humidifier water
supply.
2.
Remove the humidifier cover. See Fig. 9.
Fig. 9. Location of humidifier parts.
3.
Remove the humidifier pad assembly from the humidifier
by grasping the tray and pulling it toward you.
4.
Pull one side of the humidifier pad assembly frame
toward you and remove the tray from the frame.
5.
Gently pinch the water nozzle catches inward until the
water nozzle can be lifted off the tray.
6.
Slide the humidifier pad out of the frame.
7.
Carefully scrape any mineral deposits from the tray and
frame. Be sure the frame drain hole has nothing blocking
it.
8.
Check the humidifier pad and if excessive mineral
deposits are present, replace with a new HC26E Antimi-
crobial Pad.
9.
Disconnect the drain hose from the drain fitting on the
bottom of the humidifier housing.
10.
Clean the drain fitting, if necessary.
11.
Bend the drain hose to loosen any mineral deposits.
12.
Flush the drain hose with pressurized water (a running
tap) to clean the hose.
13.
Reattach the drain hose to the drain fitting.
14.
Slide the humidifier pad back into the frame.
IMPORTANT
To maintain the antimicrobial properties of the humidi-
fier, use only an HC26E Antimicrobial Pad. Be sure
the marked side of the antimicrobial humidifier pad is
facing up for proper performance.
15.
Reattach the tray to the frame.
16.
Snap the water nozzle back on the tray.
17.
Place the antimicrobial humidifier pad assembly in the
humidifier housing and press until the assembly is
seated.
18.
Be sure the water feed tube is placed in the guide slots
of the humidifier housing.
19.
Replace the humidifier cover.
20.
Verify the humidifier operation by following the steps in
the Checkout Procedure section.
End of Humidification Season
The humidifier needs to be cleaned and shut off at the end of
the heating season. Follow steps 1 through 19 from the Every
1 To 3 Months section.
IMPORTANT
Be sure the humidifier power is off.
Beginning of Humidification Season
Refer to the Checkout Procedure section for complete
humidifier startup instructions.
Vacation
Turn off the humidifier water supply and the humidity control
while on vacation. When you return, turn on the humidifier
water supply and reset the humidity control to restart the
humidifier.
Table 1. Recommended Humidity Control Settings.
Outside Temperature
Recommended Setting
Outside Temperature
Recommended Setting
-20°F (-29°C)
15
+10°F (-12°C)
30
-10°F (-23°C)
20
+20°F (-7°C)
35
0°F (-18°C)
25
+20°F (-7°C)
40
M28929
COVER
ASSEMBLY
HUMIDIFIER
PAD ASSEMBLY
FEED TUBE NOZZLE
WATER
DISTRIBUTION TRAY
HUMIDIFIER
HOUSING
THUMB
SCREW