Parts Manual

ManualsBrandsAirQuest ManualsCentral Air & Heating5 Ton 24.5" Width Horizontal Evaporator Cased Coil

484 04 3700 00 Aug. 2010

TECHNICAL SUPPORT MANUAL

Horizontal Evaporator Coils

ENH4X

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

Model Number Identification 2.....................

Airflow Tables 3 − 5...............................

Exploded Drawing 6..............................

ENH4X**C Parts List 7............................

ENH4X**T Parts List 8............................

MODELS

ENH4X24C17A1 ENH4X24T17A1

ENH4X30C17A1 ENH4X30T17A1

ENH4X31C17A1 ENH4X31T17A1

ENH4X36C17A1 ENH4X36T17A1

ENH4X42C21A1 ENH4X42T21A1

ENH4X43C21A1 ENH4X43T21A1

ENH4X48C21A1 ENH4X48T21A1

ENH4X60C24A1 ENH4X60T24A1

ENH4X61C24A1 ENH4X61T24A1

WARNING

ELECTRICAL SHOCK HAZARD

Failure to turn off electric power could result in per-

sonal injury or death.

Before installing or servicing system, turn off main

power to the system. There may be more than one dis-

connect switch, including accessory heater(s).

Summary of content (8 pages)

PAGE 1
TECHNICAL SUPPORT MANUAL Horizontal Evaporator Coils ENH4X 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.
PAGE 2
TECHNICAL SUPPORT MANUAL Digit Position Horizontal Coils: ENH4X COIL MODEL NUMBER IDENTIFICATION GUIDE 1 2 3 4 5 6,7 8 E N H 4 X 24 C 9,10 17 11 A E = Evaporator B = Builder D = Standard N = N Coil TYPE A = Uncased D = Cased Upflow/Downflow M = Cased Multiposition (Upflow/Downflow/Horizontal) W = Cased Upflow/Downflow for narrower furnaces H = Cased Horizontal INSTALLATION 4 = Environmentally Sound R−410A P = Piston X = TXV 18 = 18,000 BTUH = 1½ tons 19 = 18,000 BTUH = 1½ tons 24 = 24,000 BTUH = 2 ton
PAGE 3
TECHNICAL SUPPORT MANUAL UNIT SIZE 24 30 31 36 42 43 INDOOR COIL AIR CFM EWB 72 (22) 600 67 (19) 62 (17) 72 (22) 800 67 (19) 62 (17) 72 (22) 1000 67 (19) 62 (17) 72 (22) 750 67 (19) 62 (17) 72 (22) 1000 67 (19) 62 (17) 72 (22) 1250 67 (19) 62 (17) 72 (22) 750 67 (19) 62 (17) 72 (22) 1000 67 (19) 62 (17) 72 (22) 1250 67 (19) 62 (17) 72 (22) 900 67 (19) 62 (17) 72 (22) 1200 67 (19) 62 (17) 72 (22) 1500 67 (19) 62 (17) 72 (22) 1050 67 (19) 62 (17) 72 (22) 1400 67 (19) 62 (17) 72 (22) 1750 67 (19) 62 (1
PAGE 4
TECHNICAL SUPPORT MANUAL Horizontal Coils: ENH4X COOLING CAPACITIES (MBH) (cont) UNIT SIZE 48 60 1600 61 BF 0.00 0.02 0.03 0.00 0.04 0.05 0.00 0.06 0.07 0.00 0.02 0.03 0.00 0.03 0.05 0.00 0.05 0.06 SATURATED TEMPERATURE LEAVING EVAPORATOR _F (_C) 35 (2) 40 (4) 45 (7) TC SHC BF TC SHC BF TC SHC BF 72.90 35.40 0.00 65.70 31.90 0.00 57.70 28.20 0.00 60.00 36.60 0.02 52.70 32.90 0.02 44.60 29.10 0.02 48.30 37.60 0.03 40.90 33.80 0.03 33.10 30.00 0.03 88.30 42.90 0.00 79.60 38.90 0.00 69.90 34.50 0.
PAGE 5
TECHNICAL SUPPORT MANUAL Horizontal Coils: ENH4X NOTES: 1. Contact manufacturer for cooling capacities at conditions other than shown in table. 2. Formulas: Leaving db = entering db − sensible heat cap. 1.09 x CFM Leaving wb = wb corresponding to enthalpy of air leaving coil (hLWB) hLWB = hEWB − total capacity (Btuh) 4.5 x CFM 3. 4. 5. 6. 7. 8. 9. Where hEWB = enthalpy of air entering coil SHC is based on 80°F (27°C) db temperature of air entering the evaporator coil.
PAGE 6
TECHNICAL SUPPORT MANUAL Horizontal Coils: ENH4X NOTE: This illustration is for reference only. Your unit may differ in appearance or may not include all components shown. Please refer to Parts List for exact parts listing.
PAGE 7
TECHNICAL SUPPORT MANUAL Horizontal Coils: ENH4X - 01 COIL ASY EVAP 1183254 - 1 01 COIL ASY EVAP 1183255 - - 01 COIL ASY EVAP 1183256 - 01 COIL ASY EVAP 1183257 01 COIL ASY EVAP 1183258 01 COIL ASY EVAP 01 01 ENH4X61C24A1 - ENH4X60C24A1 1 ENH4X48C21A1 1183253 ENH4X43C21A1 COIL ASY EVAP ENH4X42C21A1 ENH4X30C17A1 01 - - - - - - - - - - - - - - 1 - - - - - - - - 1 - - - - - - - - - - 1 - - - - - - - - - 1 - 1183259 - - - -
PAGE 8
TECHNICAL SUPPORT MANUAL Horizontal Coils: ENH4X ENH4X42T21A1 ENH4X43T21A1 ENH4X48T21A1 ENH4X60T24A1 ENH4X61T24A1 ENH4X31T17A1 ENH4X36T17A1 COIL ASY EVAP TINNED 1183278 1 - - - - - - - - 01 COIL ASY EVAP TINNED 1183279 - 1 - - - - - - - 01 COIL ASY EVAP TINNED 1183280 - - - 1 - - - - - 01 COIL ASY EVAP TINNED 1183281 - - - - 1 - - - - 01 COIL ASY EVAP TINNED 1183282 - - - - - - 1 - - 01 COIL ASY EVAP TINNED 1183283 - - - - - - - 1