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44

A

IRFLOW

1.

CFM in chart is without filter(s). Filters do not ship with this furnace, but must be provided by the installer. If the furnace requires two return filters, this chart

assumes both filters are installed.

2.

All furnaces ship as high speed cooling and medium-speed heating. Installer must adjust blower cooling & heating speed as needed.

3.

For most jobs, about 400 CFM per ton when cooling is desirable.

4.

INSTALLATION IS TO BE ADJUSTED TO OBTAIN TEMPERATURE RISE WITHIN THE RANGE SPECIFIED ON THE RATING PLATE.

5.

The chart is for information only. For satisfactory operation, external static pressure must not exceed value shown on rating plate. The shaded area indicates

ranges in excess of maximum external static pressure allowed when heating. The data for 0.6" w.c. to 0.8" w.c. is shown for air conditioning purposes only.

6.

At higher altitudes, a properly derated unit will have approximately the same temperature rise at a particular CFM, while the ESP at that CFM will be lower.

0.6

0.7

0.8

AC

CFM

RISE

CFM

RISE

CFM

RISE

CFM

RISE

CFM

RISE

CFM

CFM

CFM

HIGH

3.0

1498

N/A

1446

N/A

1368

N/A

1302

N/A

1227

N/A

1145

1059

954

MED

2.5

1223

N/A

1182

N/A

1153

30

1099

31

1051

32

982

901

813

MED-LO

2.0

983

35

971

35

945

36

919

37

878

39

813

746

659

LOW

1.5

816

42

794

43

758

45

734

46

678

50

637

597

523

HIGH

3.0

1494

N/A

1428

36

1362

38

1294

39

1231

42

1162

1076

972

MED

2.5

1203

42

1178

43

1147

45

1101

46

1045

49

986

927

831

MED-LO

2.0

977

52

965

53

939

54

904

57

866

59

801

763

639

LOW

1.5

801

64

786

65

751

N/A

714

N/A

714

N/A

680

635

596

HIGH

3.0

1459

47

1397

49

1339

51

1270

54

1202

57

1107

1049

952

MED

2.5

1191

57

1166

58

1137

60

1086

63

1033

N/A

973

889

797

MED-LO

2.0

985

N/A

967

N/A

932

N/A

900

N/A

859

N/A

805

731

620

LOW

1.5

808

N/A

785

N/A

758

N/A

726

N/A

679

N/A

629

590

513

HIGH

5.0

2115

N/A

2050

N/A

1973

35

1915

36

1810

38

1695

1587

1467

MED

4.0

1802

38

1739

39

1725

40

1665

41

1612

42

1532

1443

1320

MED-LO

3.5

1517

45

1509

45

1496

46

1475

46

1441

47

1388

1304

1205

LOW

3.0

1213

56

1225

56

1216

56

1194

57

1179

58

1135

1084

1005

HIGH

5.0

2284

30

2231

31

2170

31

2103

32

2037

33

1945

1836

1750

MED

4.0

1865

37

1869

36

1775

38

1732

39

1684

40

1619

1548

1480

MED-LO

3.5

1594

43

1571

43

1530

45

1492

46

1454

47

1414

1355

1293

LOW

3.0

1411

48

1366

50

1325

51

1296

53

1251

54

1200

1147

1096

HIGH

5.0

2082

41

1997

43

1943

44

1847

46

1749

49

1669

1560

1443

MED

4.0

1823

47

1782

48

1711

50

1659

51

1574

54

1513

1402

1305

MED-LO

3.5

1565

54

1545

55

1529

56

1487

57

1441

59

1365

1287

1196

LOW

3.0

1261

N/A

1237

N/A

1242

N/A

1216

N/A

1179

N/A

1145

1098

1034

HIGH

5.0

2137

40

2073

41

2031

42

1949

44

1879

45

1811

1734

1625

MED

4.0

1793

48

1754

49

1704

50

1648

52

1590

54

1534

1451

1371

MED-LO

3.5

1558

55

1518

56

1477

58

1425

60

1376

62

1316

1242

1170

LOW

3.0

1370

62

1325

64

1288

N/A

1237

N/A

1191

N/A

1134

1086

1024

HIGH

5.0

2256

45

2192

47

2133

48

2054

50

1986

51

1907

1834

1718

MED

4.0

1805

57

1762

58

1722

59

1677

61

1618

63

1563

1507

1441

MED-LO

3.5

1565

65

1513

N/A

1480

N/A

1415

N/A

1392

N/A

1346

1269

1198

LOW

3.0

1368

N/A

1326

N/A

1278

N/A

1238

N/A

1208

N/A

1165

1093

1052

HIGH

3.0

1400

N/A

1331

N/A

1263

N/A

1189

N/A

1106

31

1020

941

843

MED

2.5

1204

N/A

1176

N/A

1121

30

1072

32

1002

34

927

853

740

MED-LO

2.0

1020

33

998

34

968

35

923

37

880

39

820

739

652

LOW

1.5

841

41

827

41

797

43

766

44

727

47

680

634

556

HIGH

3.0

1668

31

1335

38

1288

40

1207

42

1133

45

1061

955

845

MED

2.5

1224

42

1182

43

1139

45

1088

47

1015

50

948

859

759

MED-LO

2.0

1030

50

1005

51

988

52

942

54

893

57

830

751

666

LOW

1.5

859

60

830

62

815

63

789

65

751

N/A

693

629

556

HIGH

4.0

1770

39

1645

41

1610

42

1528

45

1437

47

1340

1251

1141

MED

3.5

1690

40

1615

42

1531

45

1470

46

1393

49

1308

1196

1099

MED-LO

3.0

1612

42

1540

44

1472

46

1398

49

1306

52

1223

1132

1010

LOW

2.5

1396

49

1339

51

1304

52

1250

55

1170

58

1092

1010

906

HIGH

4.0

1793

48

1699

50

1610

53

1533

56

1461

58

1363

1247

1146

MED

3.5

1693

50

1622

53

1552

55

1467

58

1390

61

1320

1205

1083

MED-LO

3.0

1632

52

1546

55

1493

57

1415

60

1332

64

1257

1148

1054

LOW

2.5

1429

60

1380

62

1334

64

1258

N/A

1199

N/A

1136

1041

942

0.1

0.2

0.3

0.4

0.5

*MSS920402BN

*MSS920603BN

*MSS920803BN

*MSS920804CN

*MSS920805CN

*MSS921004CN

*MSS921005CN

*MSS921205DN

*CSS920402BN

*CSS920603BN

*CSS920804CN

*CSS921005CN

*MSS92*** & *CSS92***A*

Содержание *CSS920402BN

Страница 1: ...ETY PRECAUTION is a registered trademark of Maytag Corporation or its related companies and is used under license All rights reserved TABLE OF CONTENTS SAFETY CONSIDERATIONS 3 SHIPPING INSPECTION 4 EL...

Страница 2: ...RAP PRIMING 33 FURNACE OPERATION 33 GAS SUPPLY PRESSURE MEASUREMENT 34 GAS MANIFOLD PRESSURE MEASUREMENT AND ADJUSTMENT 34 GAS INPUT RATE MEASUREMENT NATURAL GAS ONLY 35 TEMPERATURE RISE 36 CIRCULATOR...

Страница 3: ...ns when install ing adjusting altering servicing or operating the furnace To ensure proper installation and operation thoroughly read this manual for specifics pertaining to the installation and appli...

Страница 4: ...ome loose in transit In the event of damage the consignee should 1 Make a notation on delivery receipt of any visible damage to shipment or container 2 Notify carrier promptly and request an inspectio...

Страница 5: ...for use with natural or propane gas NOTE If using propane a propane conversion kit is required Dual certification means that the combustion air inlet pipe is optional and the furnace can be vented as...

Страница 6: ...ing combustion products outdoors through a proper venting system Special consideration should begiventovent fluepiperoutingandcombustionairintakepipewhenapplicable Referto Vent FluePipeandCombustion A...

Страница 7: ...snecessary useanaccessory subbase seeSpecificationSheetapplicableforyourmodelfordetails Aspecialaccessorysubbasemustbeusedforupright counterflow unit installations over any combustible material includ...

Страница 8: ...any unused openings in the venting system 2 Inspect the venting system for proper size and horizontal pitch as required by the National Fuel Gas Code ANSI Z223 1 or the Natural Gas and Propane Install...

Страница 9: ...back drafting or improper combustion of gas fired appliances thereby exposing building occupants to gas combustion products that could include carbon monoxide If this furnace is to be installed in th...

Страница 10: ...tothefurnacesidepanel suspendingitbelowthefurnace Aminimum clearance of 5 5 below the furnace must be provided for the drain trap Additionally the appropriate downward piping slope must be maintained...

Страница 11: ...all vent flue piping and connectorsarecompatiblewithfurnaceflueproducts Additionally itistheresponsibilityoftheinstallertoensurethatallpipingand connections possess adequate structural integrity and s...

Страница 12: ...n from a 2 to 3 pipe in a horizontal section of pipe as this may create a water trap PREFERRED TRANSITION NO LESS THAN 45 DEGREES TO HORIZONTAL PLANE TO AVOID CREATING A WATER TRAP IN VENT PIPING ACCE...

Страница 13: ...orted Vent FluePipe The vent pipe outlet is sized to accept 2 pipe Secure vent flue pipe directly into the furnace fitting with the appropriate glue Alternately a small section of 2 pipe may be glued...

Страница 14: ...r outlet 5 Install cut end of the flanged section and connect to inducer with rubber coupling supplied with furnace 6 Install screws removed in step 1 securing flange to cabinet THE RUBBER ELBOW IS NO...

Страница 15: ...ness plus the depth of the socket fittings to be installed on the inside and outside of the wall The wall penetration should be sealed with silicone caulking material NOTE Terminate both pipes in the...

Страница 16: ...Condensate trapped to prevent flue gas from escaping and routed to field supplied condensate disposal Combustion Air Pipe Vent Pipe All piping and fittings must be joined per material manufacturer s s...

Страница 17: ...termining the number of elbows in the piping systems If the combustion air intake pipe is to be installed above a finished ceiling or other area where dripping of condensate will be objectionable insu...

Страница 18: ...Refer to the directions furnished with the Side Wall Vent Kit p n 0170K00000S or 0170K00001S for installation specifica tions CONDENSATE DRAIN LINES DRAIN TRAP A condensing gas furnace achieves its hi...

Страница 19: ...ed horizontally require the trap to be relocated Many drain hoses have a built in grommet which will provide a cabinet seal when installed See instructions below for your model and installation positi...

Страница 20: ...Remove the trap and two hoses from the blower deck 4 Remove the two plugs from the right side of the cabinet and install them in the blower deck 5a Draining the Vent Elbow Locate hose 2 factory instal...

Страница 21: ...e the trap to the cabinet using two screws removed in step 2 by inserting the two screws through the large set of holes in the top mounting tabs of the trap into the two predrilled holes in the side o...

Страница 22: ...clamps 7 Fasten the drain trap to the cabinet with two screws removed in step 2 8 Refer to Field Supplied Drain section for instructions on field supplied installed drain on outlet of furnace trap COU...

Страница 23: ...e observed when making field connections Line voltage connections can be made through either the right or left side panel The furnace is shipped configured for a left side right side for counterflows...

Страница 24: ...ig ured for a left side electri cal connection To make electrical connections through the opposite side of the furnace the junction box must be relocated to the left side prior to making electrical co...

Страница 25: ...The combination of the lower air density and a lower manifold pressure will prohibit the burner orifice from drawing the proper amount of air into the burner This may cause incomplete combustion flash...

Страница 26: ...valve and line and fittings to connect to gas valve In some cases the installer may also need to supply a transition piece from 1 2 pipe to a larger pipe size Thefollowingstipulationsapplywhenconnect...

Страница 27: ...rd Gas Line Hole Ground Joint Pipe Union Ground Joint Pipe Union NOTE Union may be inside furnace cabinet where allowed by local codes COUNTERFLOW Figure 32 Drip Leg Plug in Main Gas Line Hole Alterna...

Страница 28: ...sulting in heat exchanger failure Disconnect this unit and shutoff valve from the gas supply piping system before pressure testing the supply piping system with pressures in excess of 1 2 psig 3 48 kP...

Страница 29: ...g plate for the maximum ESP ex ternal duct static rating Total external static refers to everything external to the fur nace cabinet Cooling coils filters ducts grilles registers must all be considere...

Страница 30: ...s retaining the sheet metal over the duct opening Using tin snips cut the metal strips and remove the sheet metal covering the duct opening In the corners of the open ing cut the sheet metal along the...

Страница 31: ...BN 2 10 X 20 or 1 16 X 25 Top Return CSS9 0804CN 2 10 X 20 or 1 16 X 25 Top Return CSS9 1005CN 2 14 X 20 or 1 20 X 25 Top Return CSS961205DN 2 14 X 20 or 1 20 X 25 Top Return Other size filters of equ...

Страница 32: ...11 5 2 X 1600 CFM 2 16 in X 25 in x 5 AM11 3225 5 AM11 3225 AM11 5PP AM11 5 AM11 5RA AM11 5PP Family Family Family Upright Installations Depending on the installation and or customer preference differ...

Страница 33: ...uipped with an ignition device which automatically lights the burner Do not try to light the burner by hand 5 Move the furnace gas valve manual control to the OFF position 6 Wait five minutes then sme...

Страница 34: ...2 gas valve then use the 36G J Valve Pressure Check Kit Part No 0151K00000S 3 TurnONthegassupplyandoperatethefurnaceandallothergasconsuming appliances on the same gas supply line 4 Measure furnace gas...

Страница 35: ...s to gas conversion consult your dealer for appropriate conversion GAS INPUT RATE MEASUREMENT NATURAL GAS ONLY The actual gas input rate to the furnace must never be greater than that specified on the...

Страница 36: ...stalled with the furnace If the cooling capacity is in BTU hr divide it by 12 000 to convert capacity to tons Example Cooling Capacity of 30 000 BTU hr 30 000 12 000 2 5 Tons 2 Determine the proper ai...

Страница 37: ...rol module monitors flame presence Gas valve will remain open only if flame is detected Circulator blower is energized on heat speed following a thirty 30 second blower on delay 96 models 115 VAC EAC...

Страница 38: ...rmally closed electrically automatic reset temperature activated sensor The limit guards against overheating as a result of insufficient conditioned air passing over the heat exchanger AUXILIARY LIMIT...

Страница 39: ...e control is in standby mode no call for heat or cool press the FAULT RECALL switch for five to ten seconds or until the diagnostic LED begins to rapid flash When the switch is released the LED will t...

Страница 40: ...e To remove 1 Turn OFF electrical power to furnace 2 Remove filter s from the central return register or ductwork 3 Replace filter s by reversing the procedure for removal 4 TurnONelectricalpowertofur...

Страница 41: ...should be as indicated in the Specifications Sheet FLUE PASSAGES QUALIFIED SERVICER ONLY The heat exchanger flue passageways should be inspected at the beginning of each heating season BEFORE LEAVING...

Страница 42: ...Loose or improperly connected wiring Pressure switch circuit not closed Induced draft blower is operat ing Induced draft blower runs continuously with no further furnace operation Integrated control m...

Страница 43: ...5 5 FLASHES Short to ground in flame sense circuit Furnace fails to operate Integrated control module diagnostic LED is flashing SIX 6 flashes No furnace operation Rollout limit open Integrated contro...

Страница 44: ...5 1084 1005 HIGH 5 0 2284 30 2231 31 2170 31 2103 32 2037 33 1945 1836 1750 MED 4 0 1865 37 1869 36 1775 38 1732 39 1684 40 1619 1548 1480 MED LO 3 5 1594 43 1571 43 1530 45 1492 46 1454 47 1414 1355...

Страница 45: ...N A 610 N A 604 571 519 HIGH 5 0 2233 32 2159 33 2086 34 2024 35 1941 37 1850 1753 1651 MED 4 0 1820 39 1778 40 1742 41 1695 42 1638 43 1551 1485 1384 MED LO 3 5 1571 45 1535 46 1497 48 1446 49 1402...

Страница 46: ...TIONS N E C CLASS 2 WIRE GR GND 115 VAC 24 VAC BLOWER COMPARTMENT DOOR SWITCH OPEN WHEN DOOR OPEN DOOR SWITCH WARNING DISCONNECTPOWER BEFORE SERVICING WIRING TO UNITMUSTBE PROPERLY POLARIZED AND GROUN...

Страница 47: ...GND 115 VAC 24 VAC BLOWER COMPARTMENT DOOR SWITCH OPEN WHEN DOOR OPEN DOOR SWITCH WARNING DISCONNECTPOWER BEFORE SERVICING WIRING TO UNITMUST BE PROPERLY POLARIZEDAND GROUNDED BK GND DISCONNECT L N PO...

Страница 48: ...tly mounted to the exterior of the building at a minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or...

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