(April, 2013)
DRH Series GEN1 Ultrasonic Humidifi er Installation, Operation & Maintenance Manual
1-2
NOTE
STULZ offers no warranty protection on
humidifi cation systems using controls that are
not provided by STULZ.
CAUTION
It is essential that De-ionized (DI) or Reverse
Osmosis (RO) water be used as the supply
water source to maintain full warranty cover-
age. The use of untreated water will VOID
THE WARRANTY.
CAUTION
Use only non-corrosive stainless steel or poly
tubing rated for use with DI water to supply
the humidifi er.
CAUTION
Provide a drain with an air gap per local and
national plumbing codes.
CAUTION
Never block the mist outlet or the opening of
the air inlet. The humidifi er may be fi lled with
the condensed mist and electrical shorts may
result.
CAUTION
Observe the unit for water leakage. A
short circuit could occur if the humidifi er is
splashed with water while operating.
CAUTION
Never attempt to remove the mist guide cover
and/or the mist blow tubes while the humidifi -
er is operating, or electrical shorts may result.
CAUTION
If there is a risk of supply water freezing, pipe
insulation should be provided.
CAUTION
Never apply power when the humidifi er is
overturned or upside down. Damage to the
ultrasonic nebulizer unit or transducer may
result.
CAUTION
Never drop the humidifi er or apply hard shock
to it. It may damage internal parts.
CAUTION
Drain the water in the tank for sanitary rea-
sons when humidifi er is turned is off for more
than 3 days.
Ultrasonic Humidifi er- Model DRH-06
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