496 01 5503 02 6/7/19Specifications are subject to change without notice.
INSTALLATION INSTRUCTIONS
Fan Coils
FEM4X, FEM4P, REM4X, FXM4X
These instructions must be read and understood completely before attempting installation.
DANGER, WARNING, CAUTION, and
NOTE
The signal words DANGER, WARNING,
CAUTION, and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION,
and NOTE will be used on product labels and
throughout this manual and other manuals that may
apply to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING − Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which will
result in enhanced installation, reliability, or
operation.
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
The signal word CAUTION is used throughout this
manual in the following manner:
Signal Words on Product Labeling
Signal words are used in combination with colors and/or
pictures on product labels.
Safety Labeling and Signal Words
!
CAUTION
WARNING
!
TABLE OF CONTENTS
INTRODUCTION 2...............................
LOCATION 2....................................
HEATER PACKAGES 2...........................
AIR DUCTS 7...................................
ELECTRICAL CONNECTIONS 7..................
REFRIGERANT TUBING 10........................
REFRIGERANT FLOW−CONTROL DEVICE 10......
REFRIGERANT METERING DEVICE 11.............
CONDENSATE DRAINS 11........................
ACCESSORIES 12................................
SEQUENCE OF OPERATIONS 13..................
START−UP PROCEDURE 13......................
CARE AND MAINTENANCE 13.....................
AIRFLOW PERFORMANCE TABLES 14.............
R−410A QUICK REFERENCE GUIDE 17............
!
WARNING
PERSONAL INJURY, AND/OR PROPERTY DAMAGE
HAZARD
Failure to carefully read and follow this warning could
result in equipment malfunction, property damage,
personal injury and/or death.
Installation or repairs made by unqualified persons could
result in equipment malfunction, property damage,
personal injury and/or death.
The information contained in this manual is intended for
use by a qualified service technician familiar with safety
procedures and equipped with the proper tools and test
instruments.
Installation must conform with local building codes and
with the National Electrical Code NFPA70 current edition.
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