International Comfort Products EHD4X24AA1, EHD4X24AAT1, EHD4X30AA1, EHD4X30AAT1, EHD4X36AA1 User Manual
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TECHNICAL SUPPORT MANUAL Cased Horizontal Duct Coils EHD4X, EHD2X
Safety Labeling and Signal Words
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:
!WARNINGWARN G
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.
TABLE OF CONTENTS
Exploded Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
EHD4X Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . |
3 − 4 |
EHD2X Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . |
5 − 6 |
Airflow vs. Static Pressure Chart . . . . . . . . . . . . . . . . . 7 Model Number Identification . . . . . . . . . . . . . . . . . . . . . 8 R−410A Quick Reference Guide . . . . . . . . . . . . . . . . . . 9
!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 heater(s).
Specifications subject to change without notice.
484 04 5500 00 February 2006
TECHNICAL SUPPORT MANUAL |
Cased Horizontal Duct Coils: EHD4X, EHD2X |
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NOTE: This illustration is for reference only. Your unit may differ in appearance or may not include all components shown.
Panel, E
Left Side
Cover, |
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Front |
H |
Access |
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J |
Tubing |
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Cover |
K
Drain
Cover
Support, Coil, |
L |
Return Bend |
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End |
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Casing,
Top
B
N Top,
Pan
P Bottom,Pan
C Casing,Bottom
Panel,
F RightSide
Coil, Slab
Assembly
1
Access
5 Fitting
4 TXV
3 Distributor
Distributor
6 Assembly
2 SuctionHeader
Drain Plug
D
Specifications subject to change without notice.
Panel,
Rear End
G
Top |
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Baffle |
Support, Coil, |
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A |
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Hairpin End |
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M |
7 Pan,Condensate
2 |
484 04 5500 00 |
TECHNICAL SUPPORT MANUAL |
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Cased Horizontal Duct Coils: EHD4X, EHD2X |
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EHD4X24 − EHD4X60 (R−410A) SERIES PARTS LIST |
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KEY |
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EHD4X24AA1 |
EHD4X24AAT1 |
EHD4X30AA1 |
EHD4X30AAT1 |
EHD4X36AA1 |
EHD4X36AAT1 |
EHD4X42AA1 |
EHD4X42AAT1 |
EHD4X48AA1 |
EHD4X48AAT1 |
EHD4X60AA1 |
EHD4X60AAT1 |
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NO. |
DESCRIPTION |
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PART NO. |
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1 |
Evap. Coil Assy |
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1173397 |
1 |
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1173601 |
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1 |
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1173398 |
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1 |
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1 |
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1173602 |
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1 |
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1173399 |
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1 |
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1 |
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1173603 |
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1 |
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1 |
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1173400 |
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− |
− |
− |
− |
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1 |
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1 |
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1173604 |
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− |
− |
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1 |
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1 |
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1173401 |
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− |
− |
− |
− |
− |
− |
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1 |
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1 |
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1173605 |
− |
− |
− |
− |
− |
− |
− |
− |
− |
1 |
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1 |
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1173402 |
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− |
− |
− |
− |
− |
− |
− |
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1 |
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1 |
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1173605 |
− |
− |
− |
− |
− |
− |
− |
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− |
− |
− |
1 |
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2 |
Suction Header Asy. |
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1173345 |
1 |
1 |
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2 |
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1173346 |
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1 |
1 |
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2 |
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1173348 |
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1 |
1 |
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2 |
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1172249 |
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1 |
1 |
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2 |
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1173350 |
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1 |
1 |
1 |
1 |
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3 |
Distributor |
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1173094 |
1 |
1 |
1 |
1 |
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3 |
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1173093 |
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1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
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4 |
Thermo Expansion Valve (TXV) |
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1173387 |
1 |
1 |
1 |
1 |
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4 |
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1173399 |
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− |
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1 |
1 |
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4 |
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1173403 |
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1 |
1 |
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4 |
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1173391 |
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1 |
1 |
1 |
1 |
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5 |
Access Fitting |
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1171507 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
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6 |
Distributor Assembly |
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1173095 |
1 |
1 |
1 |
1 |
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6 |
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1173139 |
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1 |
1 |
1 |
1 |
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6 |
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1173303 |
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− |
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− |
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1 |
1 |
1 |
1 |
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7 |
Condensate Pan |
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1173305 |
1 |
1 |
1 |
1 |
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7 |
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1173306 |
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− |
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1 |
1 |
1 |
1 |
1 |
1 |
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7 |
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1173307 |
− |
− |
− |
− |
− |
− |
− |
− |
− |
− |
1 |
1 |
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A |
Top Baffle |
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1173340 |
1 |
1 |
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A |
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1173341 |
− |
− |
1 |
1 |
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A |
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1173342 |
− |
− |
− |
− |
1 |
1 |
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A |
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1173343 |
− |
− |
− |
− |
− |
− |
1 |
1 |
1 |
1 |
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A |
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1173344 |
− |
− |
− |
− |
− |
− |
− |
− |
− |
− |
1 |
1 |
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B |
Casing Top |
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1173315 |
1 |
1 |
1 |
1 |
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B |
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1173316 |
− |
− |
− |
− |
1 |
1 |
1 |
1 |
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B |
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1173317 |
− |
− |
− |
− |
− |
− |
− |
− |
1 |
1 |
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− continued on next page − |
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Specifications subject to change without notice.
484 04 5500 00 |
3 |
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