496 04 5300 02
Dec 2007
TECHNICAL SUPPORT MANUAL
Fan Coils
FEM2X, FEM4X
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.
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.
WARNING
Safety Labeling and Signal Words
!
!
CAUTION
WARNING
TABLE OF CONTENTS
Wiring Diagram
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exploded Drawings
3 -- 6
. . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List
7 -- 11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Airflow Charts
12 -- 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model Number Identification
14
. . . . . . . . . . . . . . . . . . . .
!
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).