54
XT SERIES INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
Troubleshooting
Table 53-1:
Model XTP humidifier troubleshooting guide (continued)
Problem
Possible cause
Action
Water in duct from dispersion
tube.
Dispersion tube installed
incorrectly
Install dispersion tube with tubelets facing straight up.
Impurities in steam hose or
tubing causing foaming
Rinse cylinder and hose in clean water.
Service
light fl ashing red before
end of humidifi cation season.
Cylinder full of mineral deposits
Plumb humidifi er to fi ltered water.
Plumb humidifi er to softened water.
Steam
light is yellow.
Humidifi er operating below
rated capacity
Notes:
• This is normal for systems
plumbed to low-conductivity
water and systems that
operate for short cycles.
• XT Series humidifi er
recommended fi ll water
conductivity is
125 to 1250 μS/cm.
Plumb humidifi er to softened water.
To determine operating current, attach clamp-on ammeter to one of the electrode
wires on top of cylinder.
Add add 1/4 to 1/2 tab sodium bicarbonate (i.e., Alka Seltzer) to water in cylinder
increase water conductivity. Consult DriSteem for further advice.
Humidifi er is not satisfying
demand.
Control setting too low
Adjust control to higher setting.
Control mounted in wrong
location
See installation instructions with control for correct mounting location.
Excess humidity.
Control setting too high
Adjust control to lower setting.
Control mounted in wrong
location
See installation instructions with control for correct mounting location.
MAINTENANCE