Safety Cautions - Aprilaire 850 Installation & Maintenance Instructions Manual

SaFeTY CaUTIonS

CaUTIon
aTTenTIon InSTalleR
Read this manual before installing. This product must be installed by a qualified HVAC contractor 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.
HoT SURFaCeS anD HoT WaTeR
This steam humidification system has extremely hot surfaces. Steam pipes, and dispersion chamber can be as hot as 212°F
(100°C). Discharged steam is not always 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.
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 the humidifier system.
SHaRP eDGeS
Sharp edges may cause serious injury from cuts. Use care when cutting openings and handling housing and grille.
eXCeSS HUMIDITY
Do not operate humidifier if Model 850 fan is not operating. Do not place objects in front of steam discharge. Condensation may
cause damage.
Do not adjust humidity set point above recommended level or to recommended level if condensation occurs on inside surface
of windows or on other surfaces. Excess condensation can cause damage to structure or furnishings. Excess moisture can
also allow the possibility for mold growth to occur.
2