The signal words DANGER, WARNING, CAUTION, 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 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.
WARNING
WARNING
CAUTION
TABLE OF CONTENTS
Wiring Diagram2................................
Exploded Drawings3 -- 6..........................
Parts List7 -- 11..................................
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 heater(s).
WARNING
496 04 5300 02 Dec 2007
Page 2
TECHNICAL SUPPORT MANUALFan Coils: FEM2X, FEM4X
2496 04 5300 02
Page 3
TECHNICAL SUPPORT MANUALFan Coils: FEM2X, FEM4X
A
Z
B
AK
22
E
HH
R
C
D
AH
JJ
AJ
Y
W
P
ZZ
1
Note: This illustration is for
reference only. Your unit may
differ in appearance or m ay
not include all components
shown.
20
G
F
H
496 04 5300 023
Page 4
TECHNICAL SUPPORT MANUALFan Coils: FEM2X, FEM4X
Note: This illustration is for
reference only. Your unit may
A
differ in appearance or m ay
not include all components
Z1
shown.
C
B
AF
AG
22
E
AK
HH
ZZ
R
D
Z2
UU
JJ
W
AJ
AH
P
1
20
G
F
4496 04 5300 02
H
Page 5
TECHNICAL SUPPORT MANUALFan Coils: FEM2X, FEM4X
Note: This illustration is for
reference only. Your unit may
differ in appearance or may
NN
not include all components
shown.
AE
SS
RR
PP
AD
7
AM
AN
AR
19
8
21
PL
AC
MM
AB
TT
6
LL
KK
13
J
K
L
7
8
21
WW
M
X
AP
N
13
6
XX
496 04 5300 025
Page 6
TECHNICAL SUPPORT MANUALFan Coils: FEM2X, FEM4X
14
16
22
GG
15
YY
Note: This illustration is for
reference only. Your unit may
differ in appearance or m ay
not include all components
shown.
AIRFLOW PERFORMANCE -- CFM at a given Speed and Static reading
Model (* = 2 or 4)
FEM*X1800
FSM*X1800
FSU*X1800
FEM*X2400
FSM*X2400
FSU*X2400
FEM*X3000
FSM*X3000
FSU*X3000
FEM2X3500
FEM*X3600
FSM*X3600
FSU*X3600
FEM*X4200
FSM*X4200
FSU*X4200
FEM*X4800
Blower Speed
High766739706666619566
Medium701659619578538499
Low614572530486441396
High913863807745676601
Medium852810758696625544
Low643623584529456366
High852810758696625544
Low643623584529456366
High941905868830792753
Medium823786747707665622
Low633583533482431378
High1055991926860793724
Medium934878818754686614
Low690666633591538476
High1055991926860793724
Low934878818754686614
High1130109710631028992955
Medium10331000965928888846
Low840802760713663609
High116711121048977896808
Medium10701032978908822721
Low910888849791715621
High10701032978908822721
Low910888849791715621
High143713981354130812571204
Medium128212381192114210901036
Low1 168111810671014959903
High147914371392134412931240
Medium132712821236118711351081
Low1 192115111001039970890
High165015981541147814101335
Medium145014121367131312521183
Low123512081173113210841029
High135213161273122311671103
Low1 137111210811043998946
High161615781533148014201353
Medium147914371392134412931240
Low130312581211116111081054
High172016681602152114261316
Medium157615401488142113381239
Low138813671330127812091124
High180517721739170416691632
Medium165216171581154315041463
Low145814181377133512921248
Measured Static Pressure, inlet to outlet (inches water column)
0.100.200.300.400.500.60
-- continued on next page --
12496 04 5300 02
Page 13
TECHNICAL SUPPORT MANUALFan Coils: FEM2X, FEM4X
AIRFLOW PERFORMANCE -- CFM at a given Speed and Static reading (continued)
Model (* = 2 or 4)
Model (* = 2 or 4)
FSM*X4800
FSU*X4800
FEM*X6000
FSM*X6000
FSU*X6000
NOTES:
1. Airflow based on dry coil at 230V with factory approved filter and electric heater
(2 element heater for model sizes 1800 -- 3600, 3 element heater for model sizes 4200 -- 6000)
2. Not recommended for use above 0.60 inches water column external static pressure.
3. Shaded cells indicate airflow is greater than 450 CFM per ton.
Blower Speed
High190218241743165915711479
Medium183017631690161115271436
Low162515841531146513871296
High205720241989195419161878
Medium179917661731169516581618
Low166716331596155815171475
High212820501965187517781674
Medium195918981829175016631566
Low174817091659159815251442
Measured Static Pressure, inlet to outlet (inches water column)Blower Speed
0.600.500.400.300.200.10
STATIC PRESSURE CORRECTION FROM DRY TO WET COIL (inches of water column)
Airflow performance chart above was developed using fan coils with DRY coils.
When taking a static reading across a WET coil, adjust the static pressure numbers above by adding the values in
this table (for a given CFM, wet coil will have greater static pressure drop than dry coil).
S = Standard PSC
E = BPM (Brushless Permanent Magnet)
V = Variable SpeedMOTOR TYPE
U=Upflow
M = Multipositon
A = ApartmentINSTALLATION TYPE
2=R--22
4 = Environmentally Sound R--410AREFRIGERANT
EB = Evaporator Blower
AC = Accessory
01 = Product Identifier Number
NCB = Non--Combustible Base Kit
DFK = Down Flow Kit
PLG = Power Plug (no heat kit)
SPK = Single Point Wiring Kit
FKS = Filter Kit Small
FKM = Filter Kit Medium
FKL = Filter Kit Large
FKX = Filter Kit Extra Large
CTK = Condensate Trap Kit (PVC pipe)
Sales Code
EBAC01NCBA
International Comfort Products, LLC
Lewisburg, T ennessee 37091
14496 04 5300 02
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