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38

B

LOWER

 P

ERFORMANCE

 D

ATA

GDS8/ADSS8

GHS8

Tons AC

at 0.5"

ESP

CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE

CFM

RISE

CFM

RISE

HIGH

3.0

1739

----

1656

----

1601

----

1551

----

1513

20

1460

22.8 1413.0

23.6

1353.0

24.6

GHS80403A***

MED 2.5

1422

21

1399

21

1378

22

1350

22

1305

23

1275

26.1 1220.0

27.3

1178.0

28.3

(MEDIUM)

MED-LO

2.0

1207

25

1213

24

1197

25

1169

25

1158

26

1131

29.5 1103.0

30.2

1068.0

31.2

LOW

1.5

991

30

980

30

958

31

950

31

937

32

924

36.1

910.0

36.6

874.0

38.1

HIGH

4.0

2097

21

2068

21

2012

22

1939

23

1869

24

1795

28.9 1718.0

30.2

1631.0

31.8

GHS80604B***

MED

3.5

1596

28

1566

28

1534

29

1492

30

1445

31

1401

37.0 1354.0

38.3

1288.0

40.3

(MEDIUM)

MED-LO

3.0

1380

32

1356

33

1328

33

1303

34

1274

35

1239

41.8 1192.0

43.5

1127.0

46.0

LOW

3.0

1239

36

1191

37

1165

37

1133

39

1104

40

1082

47.9 1040.0

49.9

996.0

52.1

HIGH

5.0

2382

----

2315

----

2234

----

2158

----

2078

----

1971

33.8 1866.0

35.7

1762.0

37.8

GHS80805C***

MED 4.0

1622

37

1603

37

1583

37

1556

38

1516

39

1482

45.0 1422.0

46.9

1359.0

49.1

(MEDIUM)

MED-LO

3.5

1436

41

1391

43

1387

41

1356

44

1325

45

1279

52.1 1239.0

53.8

1180.0

56.5

LOW

3.0

1240

48

1214

49

1191

50

1157

51

1120

53

1083

61.6 1052.0

63.4

1025.0

65.0

0.7

0.8

(CFM & Temperature Rise vs. External Static Pressure)

0.1

0.2

0.3

0.4

0.5

Model

Heating Speed

As Shipped

Motor 

Speed

EXTERNAL STATIC PRESSURE (Inches Water Column)

0.6

Tons AC

at 0.5"

0.6

0.7

0.8

ESP

CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CFM CFM

HIGH

3.0

1353

----

1290

----

1246

----

1199

25

1149

26

1116 1116 1099

*D(S,S)80(0)403A***

MED 2.5

1183

25

1113

27

1098

27

1052

28

1039

29

1006 1012

969

(MEDIUM)

MED-LO

2.0

980

30

946

31

920

32

900

33

896

33

885

855

804

LOW

1.5

778

38

762

39

738

40

746

40

738

40

717

696

678

HIGH

3.0

1290

34

1236

36

1194

37

1166

38

1176

38

1166 1108 1029

*D(S,S)80(0)603A***

MED

2.5

1139

39

1090

41

1035

43

1063

42

1063

42

1020

962

895

(MEDIUM)

MED-LO

2.0

962

46

927

48

925

48

941

47

909

49

877

834

779

LOW

1.5

787

56

776

57

763

58

744

60

723

----

690

641

581

HIGH

4.0

2128

----

2063

----

2001

----

1927

----

1824

----

1726 1628 1529

*D(S,S)80(0)804B***

MED 3.5

1840

----

1788

----

1745

----

1689

35

1625

36

1550 1470 1364

(MEDIUM)

MED-LO

3.0

1602

37

1558

38

1543

38

1493

40

1455

41

1402 1328 1239

LOW

2.5

1277

46

1252

47

1244

48

1229

48

1214

49

1179 1141 1079

HIGH

5.0

2405

----

2361

----

2250

----

2161

-----

2037

36

1937 1808 1689

*D(S,S)8(0)1005C***

MED 4.0

1880

39

1838

40

1794

41

1734

43

1677

44

1568 1510 1401

(MEDIUM)

MED-LO

3.5

1659

45

1630

45

1587

47

1537

48

1492

50

1445 1368 1287

LOW

3.0

1472

50

1454

51

1404

53

1366

54

1326

56

1300 1228 1139

(CFM & Temperature Rise vs. External Static Pressure)

0.1

0.2

0.3

0.4

0.5

Model

Heating Speed

As Shipped

Motor 

Speed

EXTERNAL STATIC PRESSURE (Inches Water Column)

Summary of Contents for ADS H8

Page 1: ...Furnaces IO 446C 11 2015 INSTALLATION INSTRUCTIONS FOR M H S 8 GD H S 8 GHS8 GME8 ADS H S 8 AMEH8 GAS FURNACE CATEGORY I is a registered trademark of Maytag Corporation or its related companies and i...

Page 2: ...CHECKS 28 Checking Duct Static 28 Burner Flame 29 SAFETY CIRCUIT DESCRIPTION 29 General 29 Integrated Control Module 29 Primary Limit 29 Auxiliary Limit 29 Rollout Limits 29 Pressure Switches 29 Flame...

Page 3: ...as fired furnace for installation in a residential garage must be installed as specified in the LOCATION REQUIREMENTS AND CONSIDERATIONS section of this manual This furnace may be used as a constructi...

Page 4: ...el aparato cuando se opera en cualquier modo B10259 216 RISQUE D EMPOISONNEMENT AU MONOXYDE DE CARBONE Le monoxyde de des carbone peut causer des maladies graves telles que dommages permanents au cerv...

Page 5: ...wl space or garage area provided the garage area is enclosed with an operating door This furnace can be used in the following non industrial commer cial applications Schools Officebuildings Churches R...

Page 6: ...nger failure will result if the cooling unit coil is placed ahead of the furnace TO PREVENT PROPERTY DAMAGE PERSONAL INJURY OR DEATH DUE TO FIRE DO NOT INSTALL THIS FURNACE IN A MOBILE HOME TRAILER OR...

Page 7: ...tallations Do not install the furnace directly on carpeting tile or other combustible material other than wood flooring NOTE The subbase will not be required if an air conditioning coil is installed b...

Page 8: ...fans fireplaces etc increase the problem by starving appliances for air House depressurization can cause back drafting or improper com bustion of gas fired appliances thereby exposing building occu pa...

Page 9: ...upflow position only NOTE The vertical height of the Category I venting system must be at least as great as the horizontal length of the venting system TO PREVENT POSSIBLE PERSONAL INJURY OR DEATH DU...

Page 10: ...NEYS CATEGORY IFURNACES ONLY An exterior masonry chimney is defined as a Masonry chimney exposed to the outdoors on one or more sides below the roof line The ability to use a clay lined masonry chimne...

Page 11: ...xtend at least five feet above the highest connected equipment draft hood outlet or flue collar If the chimney does not meet these termination requirements but all other requirements in the checklist...

Page 12: ...en the clay tile liner can probably be used as a vent for the gas appliances However the installer must keep in mind the following factors which may render the tile liner unsuitable for use as a vent...

Page 13: ...port the liner as recom mended by the liner manufacturer Some manufacturers of flexible liners offer an insulation sleeve designed to be added to the liner before it is installed in the chim ney Poure...

Page 14: ...box must be relocated to the left side prior to making electrical connections To relocate the junction box perform the following steps TO PREVENT PERSONAL INJURY OR DEATH DUE TO ELECTRIC SHOCK DISCONN...

Page 15: ...NG NOTE Wire routing must not interfere with circulator blower operation filter removal or routine maintenance Low voltage connections can be made through either the right or left side panel Thermosta...

Page 16: ...line voltage wiring to the inside of the furnace the wiring must conform to all local codes and have a minimum temperature rating of 105 C All line voltage wire splices must be made inside the furnace...

Page 17: ...MAY OCCUR IF THE CORRECT CONVERSION KITS ARE NOT INSTALLED THE APPROPRIATE KITS MUST BE APPLIED TO ENSURE SAFE AND PROPER FURNACE OPERATION ALL CONVERSIONS MUST BE PERFORMED BY A QUALIFIED INSTALLER...

Page 18: ...ace to the building piping by one of the following methods Rigid metallic pipe and fittings Semi rigid metallic tubing and metallic fittings Aluminum alloy tubing must not be used in exterior location...

Page 19: ...efficiency 3 Pressure drop in lines between regulators and between second stage regulator and the appliance Pipe size will depend on length of pipe run and total load of all appliances Complete inform...

Page 20: ...tion and air leakage When the furnace is heating the temperature of the return air entering the furnace must be between 55 F and 100 F When a furnace is installed so that supply ducts carry air circu...

Page 21: ...sure loss greater than 25 W C In some installations the minimum filter size required consult filter sizing chart will not lend itself to a filter installation on the side of the furnace The installati...

Page 22: ...tage heating mode Furnace operates integrated control module monitors safety circuits continuously If low stage delay period expires control will shift operation from low stage heating mode operation...

Page 23: ...lves Push the switch to the OFF position Honeywell valves Slide the switch to the OFF position 6 Wait five minutes then smell for gas Be sure to check near the floor as some types of gas are heavier t...

Page 24: ...stem 3 Inlet pressure tap connections a Honeywell Valve Remove the inlet pressure Tap plug Install an 1 8 NPT hose barb fitting into the outlet pressure tap b White Rodgers valve Back inlet pressure t...

Page 25: ...s specified If another outlet pressure is required follow these steps 1 Turn OFF gas to furnace at the manual gas shutoff valve external to the furnace 2 Turn OFF all electrical power to the system Ga...

Page 26: ...ssure regulator The manifold pressure must be measured with the burners operating To measure and adjust the manifold pressure use the following procedure 1 Turn OFF gas to furnace at the manual gas sh...

Page 27: ...speed An incorrect temperature rise can cause condensing in or over heating of the heat exchanger Determine and adjust the tempera ture rise as follows The temperature rise must be within the range sp...

Page 28: ...tting the Mode switch to 2 STG allows the furnace to operate at the furnace s highest input AND at an input rate that is 75 of the highest input rate For this mode of operation the furnace operates at...

Page 29: ...rol module INTEGRATEDCONTROLMODULE The integrated control module is an electronic device which con trols all furnace operations Responding to the thermostat the module initiates and controls normal fu...

Page 30: ...five faults detected by the control The control must be in Standby Mode no thermostat inputs to use the feature Depress the pushbutton switch for approximately 2 seconds Release the switch when the L...

Page 31: ...bricated by the manufacturer No fur ther lubrication is required Check motor windings for accumula tion of dust which may cause overheating Clean as necessary FLAME SENSOR QUALIFIED SERVICER ONLY Unde...

Page 32: ...e REPAIR AND REPLACEMENT PARTS When ordering any of the listed functional parts be sure to provide the furnace model manufacturing and serial numbers with the order Although only functional parts are...

Page 33: ...er Door Interlock Switch 15 Circulator Blower 16 Gas Line Entrance Alternate COMPONENT ID Pressure Switch Tubular Heat Exchanger Flue Pipe Connection Gas Line Entrance Alternate Induced Draft Blower C...

Page 34: ...operate Integrated control module diagnostic LED is flashing TWO 2 flashes 2 2FLASHES Induced draft blower pressure switch contacts sticking Shorts in pressure switch circuit Inspect pressure switch h...

Page 35: ...termination Correct as necessary Check rollout limit Replace if necessary Check heat exchanger Check induced draft blower for proper performance Replace if necessary Check position of orifice plate he...

Page 36: ...and blue wires connected to transformer Turn power OFF prior to repair Normal operation LED is steady on STEADY Furnace not operating Integrated control module diagnostic LED is flashing EIGHT 8 flash...

Page 37: ...0804B MED 3 5 1736 1708 35 1652 36 1611 37 1540 38 1475 1394 1307 MEDIUM MED LO 3 0 1693 35 1668 36 1459 41 1429 41 1389 43 1339 1274 1204 LOW 2 5 1200 49 1185 50 1180 50 1173 51 1158 51 1125 1125 108...

Page 38: ...ssure 0 1 0 2 0 3 0 4 0 5 Model Heating Speed As Shipped Motor Speed EXTERNAL STATIC PRESSURE Inches Water Column 0 6 Tons AC at 0 5 0 6 0 7 0 8 ESP CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM CF...

Page 39: ...MED 4 0 1880 39 1838 40 1794 41 1734 43 1677 44 1568 1510 1401 MEDIUM MED LO 3 5 1659 45 1630 45 1587 47 1537 48 1492 50 1445 1368 1287 LOW 3 0 1472 50 1454 51 1404 53 1366 54 1326 56 1300 1228 1139...

Page 40: ...8 57 1244 60 1193 1134 1084 T3 ORANGE 4 0 1515 49 1487 50 1443 51 1405 53 1369 54 1320 1282 1223 T4 BLUE 4 0 1663 45 1621 46 1598 46 1563 47 1527 49 1482 1443 1396 T5 BLACK 5 0 1795 41 1749 42 1728 43...

Page 41: ...1244 60 1193 1134 1084 T3 ORANGE 4 0 1515 49 1487 50 1443 51 1405 53 1369 54 1320 1282 1223 T4 BLUE 4 0 1663 45 1621 46 1598 46 1563 47 1527 49 1482 1443 1396 T5 BLACK 5 0 1795 41 1749 42 1728 43 169...

Page 42: ...ECT HEATING TEMPERATURE RISE AND THE CORRECT COOLING CFM SEE SPEC SHEET FOR AIR FLOW CHART 4 BLOWER SPEEDS MUST BE ADJUSTED BY INSTALLER TO MATCH THE INSTALLATION INTEGRATED CONTROL INTERNAL TO 2 MANU...

Page 43: ...OW 6 7 8 BK BLACK GR GREEN BR BROWN PK PINK RD RED GY GRAY BL BLUE WH WHITE PU OVERCURRENT PROTECTION DEVICE JUNCTION BOX WARNING SWITCH LINE H DOOR L GND LINE N DISCONNECT N SWITCH TEMP FIELD SPLICE...

Page 44: ...FLASHES OPEN HIGH LIMIT 3 FLASHES PRESSURE SWITCH STUCK OPEN 2 FLASHES PRESSURE SWITCH STUCK CLOSED STEADY ON NORMAL OPERATION OFF CONTROL FAILURE 5 1 FLASH 0 1 2 3 4 PU 6 FLASHES OPEN ROLLOUT OR OPEN...

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