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Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation Options and Effect of Water Characteristics . . . . . . . . . . . . . . 6
Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Humidifier Control & Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . 9
Check the Humidifier Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
TABLE OF CONTENTS
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WARNING
HOT SURFACES AND HOT WATER
This steam humidification system has extremely hot surfaces.
Water in steam canister, steam pipes, and dispersion tube can be
as hot as 212°F (100°C). Discharged steam is not visible. Contact
with hot surfaces, discharged hot water, or air into which steam
has been discharged can cause severe personal injury. To avoid
severe burns, follow procedures in this manual when performing
service or maintenance procedures on any part of the system.
DISCONNECT ELECTRICAL POWER
Disconnect electrical power before installing supply wiring or
performing service or maintenance procedures on any part
of the humidification system. Failure to disconnect electrical
power could result in fire, electrical shock, and other hazardous
conditions. These hazardous conditions could cause property
damage, personal injury, or death.
Contact with energized circuits can cause property damage,
severe personal injury, or death as a result of electrical shock
or fire. Do not remove access panels until electrical power is
disconnected.
Follow the shutdown procedure in this manual before performing
service or maintenance procedures on any part of the system.
ELECTRICAL SHOCK HAZARD
If the humidifier starts up responding to a call for humidity during
maintenance, severe bodily injury or death from electrical
shock could occur. Follow the procedures in this manual before
performing service or maintenance procedures on this humidifier.
EXCESSIVE SUPPLY WATER PRESSURE
Supply water pressure greater than 120 psi may cause the
humidifier to overflow.
SHARP EDGES
Sharp edges may cause serious injury from cuts. Use care when
cutting plenum openings and handling ductwork.
CAUTION
ATTENTION
Read this manual before installing. This product must be
installed by qualified HVAC and electrical contractors and in
compliance with local, state, federal, and governing codes.
Improper installation can cause property damage, severe
personal injury, or death as a result of electric shock, burns,
or fire.
Read all cautions and instructions.
Read this manual before performing service or maintenance
procedures on any part of the system. Failure to follow all
cautions and instructions could produce the hazardous
situations described, resulting in property damage, personal
injury, or death.
Failure to follow the instructions in this manual can cause
moisture to accumulate, which can cause damage to structure
and furnishings.
EXCESS HUMIDITY
Do not set humidity higher than recommended. Condensation
may cause damage.
SAFETY