Table Of Contents - Aprilaire 1150 Installation, Operation And Maintenance Manual

TAblE Of CONTENTS

PRODUCT OVERVIEw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Materials Provided and Not Provided . . . . . . . . . . . . . . . . . . 3
Electrical Specifications, Capacities and Weights . . . . . . . . 4
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Overview of Humidifier Operation . . . . . . . . . . . . . . . . . . . . . 7
Sequence of Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
INSTAllATION
Wiring Diagrams, Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Setting Slide Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Choosing a Location for Humidifier Components . . . . . . . . 17
Distribution Tube Installation . . . . . . . . . . . . . . . . . . . . . . . 22
Mounting the Humidifier . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Wiring Diagrams, Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Airflow Proving Switch Installation . . . . . . . . . . . . . . . . . . . 29
Supply Water and Drain Piping . . . . . . . . . . . . . . . . . . . . . . 29
ATTENTION INSTAllER
This product must be installed by qualified HVAC and
electrical contractors . Failure to do so voids product
warranty due to possible product misapplication .
This product must be installed in compliance with
local, state, and federal codes .
CAUTION
1 . Do not set humidity higher than recommended .
Condensation damage may result .
2 . Failure to follow the instructions in this manual
for installation of distribution tube, airflow
proving switch, and high humidity limit switch
may cause condensation damage .
2
OPERATION
Start-up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
MAINTENANCE
Inspect and Service the Humidifier . . . . . . . . . . . . . . . . . . . 35
Off-season Shut Down Procedure . . . . . . . . . . . . . . . . . . . . 38
TROUblESHOOTINg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
REPlACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
APPENDIx - AbSORPTION
DISTANCE CAlCUlATION . . . . . . . . . . . . . . . . . . . . . . . . . . 46
wARRANTy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Back Cover
wARNINg
1 . Line voltage may cause serious injury or death from
electrical shock . Disconnect power before installing
supply wiring .
2 . Water temperature in excess of 140°F (60°C) may cause
serious injury due to burns . Allow unit to cool before
draining or removing chamber .
3 . The humidifier chamber, distribution assembly, and all
connected hose or piping may contain or discharge hot
steam and/or hot water at 212°F (100°C) . Discharged
steam is not visible . Contact with hot surfaces,
discharged hot water, or air into which steam has been
discharged may cause severe personal injury .
4 . Water pressure greater than 120 psi (827 kPa) may
cause the humidifier to overflow .
5 . Humidifier weighs up to 101 lbs (46 kg) when operating .
Improper mounting of humidifier may cause humidifier
to fall from wall or ceiling resulting in serious injury .
Mount humidifier to a structurally stable surface per the
instructions in this manual .
6 . Failure to properly ground unit may result in property
damage due to fire, or serious injury or death from
electrical shock .
7 . Failure to follow the instructions in this manual may
cause moisture to accumulate, which may cause
bacteria and mold growth or dripping water into building
spaces . Dripping water may cause property damage .