Comfort-Aire AMC24S1A Multi Position Air Handler User Manual

: June 1, 2024
: Comfort-Aire

Table of Contents

AMC24S1A Multi Position Air Handler
Product Specifications
Product Usage Instructions
Installation Guidelines:
Air Flow Data:
- Frequently Asked Questions (FAQ)
Q: What is the warranty coverage for the unit?
Q: How should I handle electrical connections?
Q: Can the unit be installed in different orientations?

AMC24S1A Multi Position Air Handler

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Product Specifications

Nominal Rating| Cooling (BTU/h)| External Static Pressure (in.w.c)| Electrical Data| Fan Motor| Fan Blower| Evaporator Coil| Refrigerant Connection Size
---|---|---|---|---|---|---|---
AMC24S1A| 24,000| 0.8| 208/230/1| ECM 1/3| Metal Centrifugal| Tube & Fin Aluminum| Liquid Line: 3/8″ Suction Line: 3/4″
AMC36S1A| 36,000| 0.7| 208/230/1| ECM 1/2| Metal Centrifugal| Tube & Fin Aluminum| Liquid Line: 3/8″ Suction Line: 3/4″
AMC60S1A| 60,000| 0.8| 208/230/1| ECM 3/4| Metal Centrifugal| Tube & Fin Aluminum| Liquid Line: 3/8″ Suction Line: 7/8″

Product Usage Instructions

Installation Guidelines:

Ensure a 25-inch clearance in front of the unit for filter and
coil maintenance.
High voltage connections have various diameters for easy
setup.
Auxiliary drain connections are provided for proper
drainage.
The unit can be installed in upflow, downflow, horizontal
right, or left configurations.

Air Flow Data:

Air Handler Model Size (Tons)| Motor Speed| CFM Wet Coil without Filter and Electric Heat External Static
Pressure-Inches W.C.
---|---|---
1| 49W| 590 SCFM, 0.77A; 544 SCFM, 0.81A; … (data continues)
2| 63W| 681 SCFM, 0.84A; 633 SCFM, 0.87A; … (data continues)
AMC24S1A| 86W| 788 SCFM, 0.95A; 736 SCFM, 0.99A; … (data continues)

Frequently Asked Questions (FAQ)

Q: What is the warranty coverage for the unit?

A: The unit comes with a limited warranty of 5 years on unit
parts. Additionally, the heat exchanger, condenser coil, evaporator
coil (packaged systems only), or compressor are covered for
replacement in the first year. With registration, the compressor is
covered for 10 years, and the heat exchanger for 20 years. Please
refer to the actual warranty for complete details.

Q: How should I handle electrical connections?

A: Electrical connections may exit from the top or either side
of the unit. Make sure to follow proper electrical safety
guidelines and consult a professional if needed.

Q: Can the unit be installed in different orientations?

A: Yes, the unit can be installed in upflow, downflow,
horizontal right, or left configurations based on your installation
requirements.

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AMC**S1A

SE Series

FEATURES
· Available for cooling and heat pump applications · Multi-speed ECM blower motor · Factory-sealed cabinet certified to achieve 2% or less
leakage rate at 1.0 inch water column · Multi-position Installation · Horizontal and vertical condensate drain pans standard · Blower and coil slide out for ease of maintenance · Field Installed heater kits are optional: 5/7.5/10/15/20kW · AHRI Listed & ETL Certified

MULTI-POSITION AIR HANDLER
Constant Torque Motor Cooling Capacity: 24 – 60 kBTU/h

Limited Warranty
5 years on unit parts. Unit cost replacement if heat exchanger, condenser coil, evaporator coil (packaged systems only), or compressor fails in the first year. With registration, 10 years on compressor and 20 years on heat exchanger.
(Limitations apply, see actual warranty for complete details.) www.comfort- aire.com

MODEL NUMBER GUIDE

A
Air Handler

M
Multi-Position

C
Constant Torque/ Piston

24
Capacity BTUH x 1000

S
SE Series

1
Power 1 = 208/230-1-60

A
Revision Level

SPECIFICATIONS
NOMINAL RATING Cooling (BTU/h) External Static Pressure(in.w.c) ELECTRICAL DATA Voltage / Phase(60Hz) Min. / Max. Voltage Min. Circuit Amps Max. OvercurrentProtection FAN MOTOR Motor Type Horsepower (HP) Rated RPM Full Load Amps (FLA) FAN BLOWER Material Type Diameter(in.) Height(in.) EVAPORATOR COIL Type Tube Material Tube Size(in.) REFRIGERANT CONNECTION SIZE Liquid Line Size (O.D.) Suction Line Size (O.D.)

AMC24S1A
24,000 0.8
208/230/1 187/253
3.3 15
ECM 1/3 1050 2.6
Metal Centrifugal
10-5/8 8-1/8
Tube & Fin Aluminum
9/32
3/8 3/4

AMC36S1A
36,000 0.7
208/230/1 187/253
3.8 15
ECM 1/2 1050 3.0
Metal Centrifugal
13 10-5/8
Tube & Fin Aluminum
9/32
3/8 3/4

AMC60S1A
60,000 0.8
208/230/1 187/253
5.7 15
ECM 3/4 1050 4.5
Metal Centrifugal
13 10-5/8
Tube & Fin Aluminum
9/32
3/8 7/8

TXV KITS TXV Kit

Part# TR6-3TONNB
TR6-4TON TR6-5TON

Description 18-36K 42-48K 60K

Used On
MAA18(36,42)S1A, MAA3042S1A, MAA36(42,48,60)S1A, AMP36S1A, AMC24S1A, AMC36S1A, AMP48S1A
MAA(18,30)42S1A, MAA36(48,60)S1A, MAA4260S1A, AMP48S1A, AMC36S1A, AMC60S1A
MAA3660S1A, MAA4260S1A, AMP60S1A, AMC60S1A

NOTE: 25″ CLEARANCE IS REQUIRED IN THE FRONT OF THE UNIT FOR FILTER AND COIL MAINTENANCE.

HIGH VOLTAGE CONNECTION 7/8″, 1-3/8″, 1-3/4″ DIA KNOCK OUTS LOW VOLTAGE CONNECTION

SUPPLY AIR
FLANGES ARE PROVIDED FOR FIELD INSTALLATION
W
10 516

BREAKER SWITCH (FOR ELECTRIC HEATER ONLY)

ELECTRICAL CONNECTIONS MAY EXIT TOP OR EITHER SIDE

VAPOR LINE CONNECTION COPPER (SWEAT) LIQUID LINE CONNECTION COPPER (SWEAT)
AUXILIARY DRAIN CONNECTION 3/4″ (NPT)
AUXILIARY DRAIN CONNECTION 3/4″ NPT)

PRIMARY DRAIN CONNCETION 3/4″ (NPT)
UPFLOW CONFIGURATIONS SHOWN; MAY BE INSTALLED UPFLOW, DOWNFLOW, HORIZONTAL RIGHT OR LEFT.

AMC24S1A

DIMENSIONS AND WEIGHTS

Height (in.)

41-3/8

Width (in.)

18-1/8

Depth (in.)

20-1/2

Weight (lbs.)

101

AMC36S1A AMC60S1A

46-1/2 19-5/8 21-5/8
125

54-1/2 22 24 159

H D

AIR FLOW DATA

Air Handler Outdoor Unit Model Size(Tons)

Motor Speed

CFM Wet Coil without filter and Electric Heat External Static Pressure-Inches W.C.[kPa] 0[0] 0.1[.025] 0.2[.050] 0.3[.075] 0.4[0.100] 0.5[0.125] 0.6[0.150] 0.7[0.175] 0.8[0.200]

SCFM

590

544

511

447

404

345

311

273

239

1

Power/W

49

57

64

70

75

82

91

97

102

Current/A 0.77

0.81

0.84

0.87

0.91

0.94

0.99

1.02

1.11

SCFM

681

633

591

535

490

446

388

354

313

2

Power/W

63

69

77

83

90

96

103

111

118

Current/A 0.84

0.87

0.93

0.96

0.99

1.03

1.07

1.13

1.16

SCFM

788

736

687

648

597

558

511

473

429

AMC24S1A

1.5

3 (Recommended)

Power/W

86

91

100

108

114

121

128

133

142

Current/A 0.95

0.99

1.11

1.14

1.18

1.21

1.26

1.31

1.37

SCFM

883

842

796

758

717

681

642

599

524

4 (Factory Default)

Power/W

121

128

135

144

151

159

165

173

181

Current/A 1.21

1.28

1.32

1.38

1.43

1.47

1.54

1.59

1.64

SCFM

1103 1073 1036

998

967

934

896

855

814

5

Power/W 233

241

249

258

265

275

281

286

291

Current/A 1.97

2.03

2.09

2.16

2.22

2.29

2.34

2.37

2.41

SCFM

590

544

511

447

404

345

311

273

239

1

Power/W

49

57

64

70

75

82

91

97

102

Current/A 0.77

0.81

0.84

0.87

0.91

0.94

0.99

1.02

1.11

SCFM

681

633

591

535

490

446

388

354

313

2

Power/W

63

69

77

83

90

96

103

111

118

Current/A 0.84 0.87 0.93

0.96

0.99

1.03

1.07

1.13

1.16

SCFM

788

736

687

648

597

558

511

473

429

AMC24S1A

2

3

Power/W

86

91

100

108

114

121

128

133

142

Current/A 0.95 0.99 1.11

1.14

1.18

1.21

1.26

1.31

1.37

SCFM

883

842

796

758

717

681

642

599

524

4 (Factory Default)

Power/W

121

128

135

144

151

159

165

173

181

Current/A 1.21 1.28 1.32

1.38

1.43

1.47

1.54

1.59

1.64

SCFM

1103 1073 1036

998

967

934

896

855

814

5

Power/W 233

241

249

258

265

275

281

286

291

Current/A 1.97 2.03 2.09

2.16

2.22

2.29

2.34

2.37

2.41

1

SCFM

898

752

603

511

405

360

301

259

203

Power/W

78

72

65

60

54

48

41

38

36

Current/A 0.68 0.64 0.59

0.52

0.46

0.42

0.36

0.29

0.28

2

SCFM

1026 902

810

694

630

544

490

409

366

AMC36S1A

2.5

Power/W 109

99

106

111

120

126

135

140

148

Current/A 0.94 0.86 0.91

0.95

1.03

1.07

1.14

1.18

1.24

3

SCFM

1161 1114 1052

992

893

825

768

694

646

Power/W 148

158

164

175

187

193

203

209

219

Current/A 1.26

1.34

1.39

1.48

1.57

1.61

1.69

1.73

1.81

— Shaded boxes represent airflow outside the required 300-450 cfm/ton, which are not recommended.

AIR FLOW DATA CONT.

Air Handler Outdoor Unit Model Size(Tons)

Motor Speed

CFM Wet Coil without filter and Electric Heat External Static Pressure-Inches W.C.[kPa] 0[0] 0.1[.025] 0.2[.050] 0.3[.075] 0.4[0.100] 0.5[0.125] 0.6[0.150] 0.7[0.175] 0.8[0.200]

AMC36S1A

SCFM

1287 1244 1186 1142

4 (Recommended)

Power/W

194

205

211

221

Current/A 1.62

1.69

1.75

1.83

2.5

SCFM

1491 1442 1396 1348

5 (Factory Default)

Power/W

290

298

307

318

Current/A 2.35

2.42

2.49

2.58

SCFM

898

752

603

511

1

Power/W

78

72

65

60

Current/A 0.68

0.64

0.59

0.52

SCFM

1026

902

810

694

2

Power/W 109

99

106

111

Current/A 0.94

0.86

0.91

0.95

SCFM

1161 1114 1052

992

AMC36S1A

3

Power/W 148

158

164

175

Current/A 1.26

1.34

1.39

1.48

SCFM

1287 1244 1186 1142

4

Power/W 194

205

211

221

Current/A 1.62

1.69

1.75

1.83

5 (Factory Default)

SCFM Power/W Current/A

1491 290 2.35

1442 298 2.42

1396 307 2.49

1348 318 2.58

SCFM

1344 1284 1226 1151

1

Power/W 143

151

159

168

Current/A 1.23

1.26

1.33

1.41

SCFM

1531 1477 1418 1366

2

Power/W 200

211

222

231

Current/A 1.73

1.74

1.81

1.89

AMC60S1A

SCFM

1647 1592 1538 1490

3.5

3 (Recommended)

Power/W

244

254

263

273

Current/A 2.03

2.11

2.14

2.19

4 (Factory Default)

SCFM Power/W Current/A

1875 340 2.73

1822 353 2.79

1774 365 2.86

1729 375 3.02

SCFM

2021 1967 1924 1879

5

Power/W 409

416

429

447

Current/A 3.21

3.29 3.38

3.52

— Shaded boxes represent airflow outside the required 300-450 cfm/ton, which are not recommended.

1078 233 1.93 1302 325 2.64 405 54 0.46 630 120 1.03 893 187 1.57 1078 233 1.93 1302 325 2.64 1076 177 1.5 1299 239 2.02 1436 283 2.31 1677 388 3.12 1828 461 3.61

969 241 1.98 1243 337 2.73 360 48 0.42 544 126 1.07 825 193 1.61 969 241 1.98 1243 337 2.73 946 191 1.61 1239 250 2.14 1378 300 2.38 1629 399 3.21 1785 471 3.73

914 252 2.07 1150 351 2.83 301 41 0.36 490 135 1.14 768 203 1.69 914 252 2.07 1150 351 2.83 904 197 1.63 1138 266 2.22 1315 305 2.53 1581 412 3.29 1742 487 3.76

892 253 2.08 1088 362 2.92 259 38 0.29 409 140 1.18 694 209 1.73 892 253 2.08 1088 362 2.92 893 195 1.61 1064 277 2.31 1215 325 2.64 1533 423 2.38 1694 500 3.86

893 253 2.11 1029 367 2.96 203 36 0.28 366 148 1.24 646 219 1.81 893 253 2.11 1029 367 2.96 869 194 1.62 1001 291 2.38 1140 336 2.72 1473 437 3.51 1641 513 4.04

AIR FLOW DATA CONT.

Air Handler Outdoor Unit Model Size(Tons)

Motor Speed

AMC60S1A AMC60S1A

SCFM

1

Power/W

Current/A

SCFM

2

Power/W

Current/A

SCFM

4

3 (Recommended)

Power/W

Current/A

4 (Factory Default)

SCFM Power/W Current/A

SCFM

5

Power/W

Current/A

SCFM

1

Power/W

Current/A

SCFM

2

Power/W

Current/A

SCFM

5

3

Power/W

Current/A

4 (Factory Default)

SCFM Power/W Current/A

SCFM

5

Power/W

Current/A

CFM Wet Coil without filter and Electric Heat

External Static Pressure-Inches W.C.[kPa]

0[0] 0.1[.025] 0.2[.050] 0.3[.075] 0.4[0.100] 0.5[0.125] 0.6[0.150] 0.7[0.175] 0.8[0.200]

1344 1284 1226 1151

1076

946

904

893

869

143

151

159

168

177

191

197

195

194

1.23

1.26

1.33

1.41

1.5

1.61

1.63

1.61

1.62

1531 1477 1418 1366

1299

1239

1138

1064

1001

200

211

222

231

239

250

266

277

291

1.73

1.74

1.81

1.89

2.02

2.14

2.22

2.31

2.38

1647 1592 1538 1490

1436

1378

1315

1215

1140

244

254

263

273

283

300

305

325

336

2.03

2.11

2.14

2.19

2.31

2.38

2.53

2.64

2.72

1875 1822 1774 1729

1677

1629

1581

1533

1473

340

353

365

375

388

399

412

423

437

2.73

2.79

2.86

3.02

3.12

3.21

3.29

2.38

3.51

2021 1967 1924 1879

1828

1785

1742

1694

1641

409

416

429

447

461

471

487

500

513

3.21

3.29

3.38

3.52

3.61

3.73

3.76

3.86

4.04

1344 1284 1226 1151

1076

946

904

893

869

143

151

159

168

177

191

197

195

194

1.23

1.26

1.33

1.41

1.5

1.61

1.63

1.61

1.62

1531 1477 1418 1366

1299

1239

1138

1064

1001

200

211

222

231

239

250

266

277

291

1.73

1.74

1.81

1.89

2.02

2.14

2.22

2.31

2.38

1647 1592 1538 1490

1436

1378

1315

1215

1140

244

254

263

273

283

300

305

325

336

2.03

2.11

2.14

2.19

2.31

2.38

2.53

2.64

2.72

1875 1822 1774 1729

1677

1629

1581

1533

1473

340

353

365

375

388

399

412

423

437

2.73 2.79 2.86

3

3.12

3.21

3.29

2.38

3.51

2021 1967 1924 1879

1828

1785

1742

1694

1641

409

416

429

447

461

471

487

500

513

3.21

3.29

3.38

3.52

3.61

3.73

3.76

3.86

4.04

— Shaded boxes represent airflow outside the required 300-450 cfm/ton, which are not recommended.

HEATER KITS

Model

Air Handler Capacity Electric

(kBTU/h)

Heat(kW)

Min. Circuit Ampacity

240V

208V

EHK-05A(UL) EHK-08A(UL) EHK-10A(UL)

5

24

7.5

10

EHK-05A(UL) EHK-08A(UL) EHK-10A(UL) EHK-15B(UL) EHK-20B(UL)

5

7.5

36

10

15

20

EHK-05A(UL)

5

EHK-08A(UL)

7.5

EHK-10A(UL)

60

10

EHK-15B(UL)

15

EHK-20B(UL)

20

NOTE: Heat kit suitable for AHU 4-way position installation. Ampacities for MCA and Fuse/breaker including the blower motor.

AMC24S1A

29

25.5

42

36.8

55

48.1

AMC36S1A

29.4

25.9

42.4

37.2

55.4

48.5

55.4/26.1

48.5/22.6

55.4/52.1

48.5/45.2

AMC60S1A

31.8

28.3

44.8

39.6

57.8

50.9

57.8/26.1

50.9/22.6

57.8/52.1

50.9/45.2

Max. Fuse or Breaker (HACR) Ampacity

Blower Speed

240V

208V 1 2 3 4 5

30 45 60
30 45 60 60/30 60/60
35 45 60 60/30 60/60

30

· · ···

40

x x ···

50

x x ···

30

· · ···

40

x · ···

50

x x ···

50/25 x x · · ·

60/50 x x x · ·

30

x x ···

40

x x ···

60

x x ···

60/25 x x · · ·

60/50 x x x · ·

ELECTRIC HEATER KITS

NO.

Kit

Description

1

EHK-05A(UL)

5kW Heat Strip

2

EHK-08A(UL)

7.5kW Heat Strip

3

EHK-10A(UL)

10kW Heat Strip

4

EHK-15B(UL)

15kW Heat Strip, double Breaker panel

5

EHK-20B(UL)

20kW Heat Strip, double Breaker panel

Ref.Air Handler Use 24/36/60 24/36/60 24/36/60 36/60 36/60

AMC**S1A
Due to ongoing product improvements, specifications and dimensions are subject to change and correction without notice or incurring obligations. Determining the application and suitability for use of any product is the responsibility of the installer. Additionally, the installer is responsible for verifying dimensional data on
the actual product prior to beginning any installation preparations. Third party incentive and rebate programs have precise requirements as to product performance and certification. All products meet applicable regulations in effect on date of manufacture; however, certifications are not necessarily granted for the life of a product. Therefore, it is the responsibility of the applicant to determine whether a specific model qualifies for these incentive/rebate programs.
“This product complies with all California product labeling laws including, but not limited to, the Safe Drinking Water and Toxic Enforcement Act of 1986, more commonly known as Proposition 65.”
SP-1M 3/24 CA-AMC_SPEC