TECHNICAL SUPPORT MANUAL
DANGER, WARNING, CAUTION, and
NOTE
The signal words DANGER, WARNING, CAU-
TION, and NOTE are used to identify levels of haz-
ard seriousness. The signal word DANGER is only
used on product labels to signify an immediate haz-
ard. The signal words WARNING, CAUTION, and
NOTE will be used on product labels and through-
out 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 opera-
tion.
TABLE OF CONTENTS
Wiring Diagram
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exploded Drawings
. . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Airflow Charts
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model Number Identification
Fan Coils
FEM2X, FEM4X
Safety Labeling and Signal Words
2
3 -- 6
7 -- 11
12 -- 13
. . . . . . . . . . . . . . . . . . . .
14
Signal Words in Manuals
The signal word WARNING is used throughout this
manual in the following manner:
WARNING
WARNING
!
The signal word CAUTION is used throughout this
manual in the following manner:
CAUTION
!
Signal Words on Product Labeling
Signal words are used in combination with colors
and/or pictures on product labels.
WARNING
!
ELECTRICAL SHOCK HAZARD
Failure to turn off electric power could result in
personal injury or death.
Before installing or servicing system, turn off
main power to the system. There may be more than
one disconnect switch, including accessory heat-
er(s).
496 04 5300 02
Dec 2007