International Comfort Products FXM4X1800A1, FXM4X1800AT1, FXM4X2400A1, FXM4X2400AT1, FXM4X3000A1 User Manual
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TECHNICAL SUPPORT MANUAL
Fan Coils
FXM4X
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and
NOTE
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
Model Number Identification 2.....................
Wiring Diagram 3................................
Parts List 4 − 9..................................
Exploded Drawings 10 − 13........................
Airflow Charts 14 − 15.............................
MODELS
FXM4X1800A1 FXM4X1800AT1
FXM4X2400A1 FXM4X2400AT1
FXM4X3000A1 FXM4X3000AT1
FXM4X3600A1 FXM4X3600AT1
FXM4X4200A1 FXM4X4200AT1
FXM4X4800A1 FXM4X4800AT1
FXM4X6000A1 FXM4X6000AT1
!
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 heater(s).
WARNING
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TECHNICAL SUPPORT MANUAL Fan Coils: FXM4X
FAN COIL MODEL NUMBER IDENTIFICATION GUIDE
F X M 4 X 1800 A T
F = Fan Coil
X = High efficiency ECM MOTOR TYPE
M = Multiposition INSTALLATION TYPE
4 = Environmentally Sound R−410A REFRIGERANT
X = TXV METERING DEVICE
1800 = 18,000 BTUH = 1½ tons
2400 = 24,000 BTUH = 2 tons
3000 = 30,000 BTUH = 2½ tons
3500 & 3600 = 36,000 BTUH = 3 tons
4200 = 42,000 BTUH = 3½ tons
4800 = 48,000 BTUH = 4 tons
6000 = 60,000 BTUH = 5 tons NOMINAL CAPACITY
A = Standard
AT = Tin Coated Copper Tube Coils SALES CODE / FEATURES
ACCESSORIES PART NUMBER IDENTIFICATION GUIDE
EB AC 01 NCB A
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
ELECTRIC HEATER MODEL NUMBER IDENTIFICATION GUIDE
EHK 05 A K N 1
EHK = Electric Heater Kit
05 = 5 kW
07 = 7 kW
09 = 9 kW
10 = 10 kW
15 = 15 kW
18 = 18 kW
20 = 20 kW
25 = 25 kW
30 = 30 kW NOMINAL HEAT VALUE
Sales Code
K = 208 / 230 single−phase
H = 208 / 230, 3−phase
KC = 208 / 230, supplied as single phase, field convertible to 3−phase
HC = 208 / 230 supplied as 3−phase, field convertible to single phase VOLTAGE (60 Hz)
Product Identifier
Engineering Code
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TECHNICAL SUPPORT MANUAL Fan Coils: FSU2X, FSU4X
496 04 5200 00 3
TECHNICAL SUPPORT MANUAL Fan Coils: FXM4X
FXM4 PARTS LIST
KEY
NO.
01 BLOWER ASSY 1179738 1 - - - - - 01 1179739 - 1 - - - - 01 1179740 - - 1 - - - 01 1179741 - - - 1 - - 01 1179742 - - - - 1 - 01 1179743 - - - - - 1 01 1179744 - - - - - - 1
02 TRANSFORMER 1172028 1 1 1 1 1 1 1
04 HARNESS ASSY BLOWER 1171676 1 1 1 1 1 1 1
05 FILTER LO EFF 1171652 1 1 - - - - 05 1171653 - 1 1 1 - 05 1171654 1 1
06 TXV 1178991 1 1 - - - - 06 1172349 - 1 - - - 06 1178990 1 1
06 1172350 - - - - 1 1
07 COIL AND HEADER ASY 1173766 1 1 - - - - 07 1172887 - 1 - - - 07 1173768 - - 1 1 - 07 1179759 - - - - 1 07 1178985 1
08 STRAINER 1171740 1 1 1 1 1 1 1
09 CONDENSATE PAN 1179673 - - - 1 1 - 09 1179674 - - - - 1 09 1179728 - - - - - 1
10 CONDENSATE PAN ASY 1175207 1 1 - - - - 10 1179731 - 1
10 1179676 1 1
10 1179677 - 1 1
11 WHEEL BLOWER 1171745 1 1
11 1171742 - 1 1 1 1 1
12 MOTOR BLOWER 1179752 1
12 1179753 - 1 - - - - 12 1179754 - 1 - - - 12 1179755 - - 1 - - 12 1179756 - - - 1 - 12 1179757 - - - - 1 12 1179758 - - - - - 1
14 CUTOFF 1171567 1 1
14 1171572 1 1 1 1 1
15 LUG GROUND 1170677 1 1 1 1 1 1 1
16 DISTRIBUTOR ASY 1171603 1 1
16 1172888 1 16 1172983 1 1
16 1171606 1
16 1171605 1
A PANEL ASSY TOP INSUL 1172361 1 1
A 1172362 - 1 - - - -
DESCRIPTION FAST PARTS NO.
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FXM4X1800A1
FXM4X2400A1
FXM4X3000A1
FXM4X3600A1
FXM4X4200A1
FXM4X4800A1
FXM4X6000A1
4 496 04 5400 00
TECHNICAL SUPPORT MANUAL Fan Coils: FXM4X
FXM4 PARTS LIST (continued)
KEY
NO.
A 1172363 - - 1 1 - -
A 1172336 - - - - 1 1
AA PLATE HEATER 1171584 1 1
AA 1171581 - 1 1 1 - AA 1171582 - - - - 1 AA 1171584 1
B DOOR ASSY LOWER INSUL 1172367 1 1
B 1172340 - 1 - - - -
B 1172368 - - 1 1 - -
B 1179768 - - - - 1 -
B 1172342 - - - - - 1
BB DECK BLOWER 1171587 1 1
BB 1171588 - 1 1 1 - BB 1171589 - - - - 1 1
C DOOR ASSY UPPER INSUL 1172374 1 1
C 1172346 - 1 - - - -
C 1172375 - - 1 1 - -
C 1172347 - - - - 1 1
CC BRACKET COIL 1171651 1 1 - - - - CC 1171650 - 1 - - - -
D DOOR ASSY FITTING INSUL 1172339 1 1 1 1 1 1 1
DD SHIELD COND PAN 1172328 1 1 1 - - - -
E DOOR ASSY FILTER 1171934 1 1
E 1171935 - 1 1 1 - -
E 1171936 - - - - 1 1
EE EXTENSION COIL 1171579 1 1
EE 1171580 - 1 - - - -
F BARRIER LOW VOLTAGE 1171660 1 1 1 1 1 1 1
FF SUPPORT COIL 1171666 1 1
FF 1171667 - 1 - - - -
G BAFFLE DIFFUSER 1171569 2 2 2 2 2 2 2
GG BAFFLE COIL 1171644 1 1 1 - - - -
H SPRING 1172554 1 1 1 1 1 1 1
HH SUPPORT COND PAN 1171664 1 1 1 - - - -
J TUBE DRAIN 1172337 1 1 1 1
JJ CHANNEL COND 1171645 1 1 1 -
K GROMMET SUCTION 1171622 1 1 1 1 1 1 1
L PLUG BUTTON 1173764 - - 1 1 1 1
LL FITTING DRAIN 1171636 1 1 1 1
M SUPPORT PAN 1172636 1 1
MM FITTING DRAIN 1171635 1 1 1 1
N BRACKET COIL 1171574 - - 2 2 2 2
P BRACKET COIL 1171575 - - 2 2 2 2
PP CAP 1174949 1 1 1 1
Q SHIELD COND PAN 1172328 - - 2 2 2 2
R AIR SEAL ASSY 1171640 - - 1 1 1 R 1171641 - - - - - 1
RR CAP 1174950 1 1 1 1
− continued on next page −
FAST PARTS NO.DESCRIPTION
FXM4X4800A1
FXM4X4200A1
FXM4X3600A1
FXM4X3000A1
FXM4X2400A1
FXM4X1800A1
FXM4X6000A1
496 04 5400 00 5
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