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18

443 06 4002 00

Specifications  subject to change without notice.

Table 4

Gas Rate (CU ft./hr)

SECONDS

FOR

1 REVOLUTION

SIZE OF TEST DIAL

SECONDS

FOR

1 REVOLUTION

SIZE OF TEST DIAL

1 Cu Ft.

2 Cu Ft.

5 Cu Ft.

1 Cu Ft.

2 Cu Ft.

5 Cu Ft.

10

360

720

1800

50

72

144

360

11

327

655

1636

51

71

141

355

12

300

600

1500

52

69

138

346

13

277

555

1385

53

68

136

340

14

257

514

1286

54

67

133

333

15

240

480

1200

55

65

131

327

16

225

450

1125

56

64

129

321

17

212

424

1059

57

63

126

316

18

200

400

1000

58

62

124

310

19

189

379

947

59

61

122

305

20

180

360

900

60

60

120

300

21

171

343

857

62

58

116

290

22

164

327

818

64

56

112

281

23

157

313

783

66

54

109

273

24

150

300

750

68

53

106

265

25

144

288

720

70

51

103

257

26

138

277

692

72

50

100

250

27

133

267

667

74

48

97

243

28

129

257

643

76

47

95

237

29

124

248

621

78

46

92

231

30

120

240

600

80

45

90

225

31

116

232

581

82

44

88

220

32

113

225

563

84

43

86

214

33

109

218

545

86

42

84

209

34

106

212

529

88

41

82

205

35

103

206

514

90

40

80

200

36

100

200

500

92

39

78

196

37

97

195

486

94

38

76

192

38

95

189

474

96

38

75

188

39

92

185

462

98

37

74

184

40

90

180

450

100

36

72

180

41

88

176

439

102

35

71

178

42

86

172

429

104

35

69

173

43

84

167

419

106

34

68

170

44

82

164

409

108

33

67

167

45

80

160

400

110

33

65

164

46

78

157

391

112

32

64

161

47

76

153

383

116

31

62

155

48

75

150

375

120

30

60

150

49

73

147

367

International Comfort Products 

S

 PO Box 128 

S

 Lewisburg, TN  37091 USA

Summary of Contents for NAHA00101MH

Page 1: ...utions that may apply Follow all safety codes In the United States follow all safety codes including the current edition of the National Fuel Gas Code NFGC NFPA No 54 ANSI Z223 1 In Canada refer to the current edition of the National Standard of Canada Natural Gas and Propane Installation Codes NSCNGPIC CAN CSA B149 1 and 2 Wear safety glasses and work gloves Have a fire extinguisher available dur...

Page 2: ...l Gas to Propane SECTION III Conversion from Propane to Natural Gas SECTION I INITIAL KIT INSTALLATION Procedure 1 General A downflow furnace application is where furnace blower is located above combustion and controls section of furnace and conditioned air is discharged downwards Attach adhesive pouch containing literature packet and gas conversion parts to outside of main furnace door or accessi...

Page 3: ...SING IS NOT INSTALLED NOT SHOWN 1 Accessory floor base MUST be used Review floor base Installation Instructions before installation 2 Secure accessory floor base to structure using 5 16 in 8 mm lag screws 3 Fasten furnace to accessory floor base using No 10 self tapping screws through tabs on both sides of base two each side Procedure 2 Replace Gas Valve CAUTION UNIT OPERATION HAZARD Failure to fo...

Page 4: ...ctor harness from gas valve Disconnect wires from Hot Surface Igniter HSI and Flame Sensor See Figure 9 8 Support the manifold and remove the four 4 screws that secure the manifold assembly to the burner box and set aside 9 Note the location of the green yellow wire ground wire for re assembly later See Figure 3 10 Remove production gas valve from manifold assembly and discard valve NOTE Productio...

Page 5: ...Figure 8 for label location 1 Attach Conversion Responsibility Label 337993 101 inside of main furnace door See Figure 7 Date name and address of organization making this conversion are required See Figure 5 2 Attach Conversion Rating Plate Label 338299 101 inside of lower left hand side of controls compartment downflow as shown in Figure 6 3 Attach Manufactured Mobile Home Installation Label 3222...

Page 6: ...on furnace rating plate is for installations at altitudes up to 2000 ft 610 M In the U S A the input rating for altitudes above 2000 ft 610 M must be reduced by 2 percent for each 1000 ft 305 M above sea level In Canada the input rating must be derated by 5 percent for altitudes of 2000 ft to 4500 ft 610 M to 1372 M above sea level The Conversion Kit Rating Plate accounts for high altitude derate ...

Page 7: ... drill bit A11460 Figure 14 Igniter Position Back View 2 1 2 in 64 4 1 1 4 in 31 8 A11405 Figure 15 Igniter Position Side View A12392 2 in 2 5 mm 3 8 in 3 16 in 0 8 1 5 50 mm 9 6 mm 4 6 mm 3 32 in 1 32 3 64 in Figure 16 Convertible Gas Valve ON OFF SWITCH INLET PRESSURE TAP REGULATOR PLUNGER LP NAT CONVERTIBLE CAP GAS PRESSURE REGULATOR MANIFOLD PRESSURE TAP NAT LP BURNER ENCLOSURE PRESSURE REFERE...

Page 8: ...riels des blessures ou la mort 2 Apply pipe dope sparingly to the male threads of the 1 8 in black iron street elbow Install the street elbow into the gas valve inlet pressure tap Point the open end of the street elbow toward you 3 Apply pipe dope sparingly to the male threads of the 1 8 in brass street tee Install the male end of the street tee as shown in Figure 17 One opening on the street tee ...

Page 9: ...re 9 2 Align the orifices in the manifold assembly with the support rings on the end of the burner 3 Insert the orifices in the support rings of the burners Manifold mounting tabs should fit flush against the burner box NOTE If manifold does not fit flush against the burner box the burners are not fully seated forward Remove the manifold and check burner positioning in the burner box assembly 4 At...

Page 10: ...as valve switch to OFF position CHECK FURNACE AND MAKE ADJUSTMENTS 1 Be sure main gas and electric supplies to furnace are off 2 Remove 1 8 in 3 mm pipe plug from manifold pressure tap on downstream side of gas valve 3 Attach manometer to manifold pressure tap on gas valve See Figure 16 4 Turn gas supply manual shutoff valve to ON position 5 Turn furnace gas valve switch to ON position WARNING FIR...

Page 11: ...flamme vive Utilisez plutôt un savon fait specifiquement pour la détection des fuites de gaz pour verifier tous les connections Un incendie ou une explosion peut entrainer des dommages matériels des blessures ou la mort 18 Check pressure tap plug for gas leaks when main burners ignite 19 Check for correct burner flame 20 Observe unit operation through two complete heating cycles 21 See Sequence of...

Page 12: ...ed by manifold pressure and orifice size Furnace gas input rate on rating plate is for installations at altitudes up to 2000 ft 610 M In the U S A the input rating for altitudes above 2000 ft 610M must be reduced by 2 percent for each 1000 ft 305 M above sea level In Canada the input rating must be derated by 5 percent for altitudes of 2000 ft 610 M to 4500 ft 1372 M above sea level Furnace input ...

Page 13: ...the 1 8 in NPT pipe plug from the tee fitting on the Low Gas Pressure Switch 5 Remove the Low Gas Pressure Switch from fittings on gas valve and discard 6 Remove remaining fittings from gas valve and discard 7 Install manometer fitting to the open end of the brass street tee Or if installation is to be completed later apply pipe dope to inlet pressure plug from gas valve and install in open end of...

Page 14: ...s with an open flame Use a commercially available soap solution made specifically for the detection of leaks to check all connections A fire or explosion may result causing property damage personal injury or loss of life AVERTISSEMENT RISQUE D EXPLOSION ET D INCENDIE Le fait de ne pas suivre cet avertissement pourrait entraîner des dommages corporels et ou la mort Ne jamais examiner pour les fuite...

Page 15: ...c for gas meter test dial to complete one revolution e Refer to Table 4 for cu ft of gas per hr f Multiply gas rate cu ft hr X heating value Btu cu ft using natural gas heating value from local gas utility supplier g Fill in Conversion Responsibility Label 321102 101 located on inside of main furnace door Date name and address of organization making the conversion is required h Check for gas leaks...

Page 16: ...3 2 42 3 3 42 3 4 915 825 43 3 6 43 3 7 43 3 8 42 3 2 850 44 3 8 43 3 5 43 3 6 43 3 7 875 44 3 6 44 3 7 43 3 4 43 3 5 4000 900 44 3 4 44 3 5 44 3 7 44 3 8 1219 925 44 3 2 44 3 4 44 3 5 44 3 6 950 44 3 1 44 3 2 44 3 3 44 3 4 750 42 3 3 42 3 4 42 3 5 42 3 6 4001 775 43 3 7 43 3 8 42 3 3 42 3 4 1220 800 43 3 5 43 3 6 43 3 7 43 3 8 825 44 3 8 43 3 4 43 3 5 43 3 6 850 44 3 5 44 3 7 44 3 8 43 3 4 5000 8...

Page 17: ... 3 3 42 3 4 2134 700 43 3 5 43 3 7 43 3 8 42 3 2 725 44 3 8 43 3 4 43 3 5 43 3 6 750 44 3 5 44 3 7 44 3 8 43 3 4 8000 775 44 3 3 44 3 4 44 3 5 44 3 7 2438 800 44 3 1 44 3 2 44 3 3 44 3 4 825 44 2 9 44 3 0 44 3 1 44 3 2 625 42 3 4 42 3 5 42 3 6 42 3 7 8001 650 43 3 8 42 3 2 42 3 3 42 3 4 2439 675 43 3 5 43 3 6 43 3 7 42 3 2 700 44 3 7 43 3 4 43 3 5 43 3 6 725 44 3 5 44 3 6 44 3 7 44 3 8 9000 750 44...

Page 18: ... 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 48 97 243 28 129 257 643 76 47 95 237 29 124 248 621 78 46 92 231 30 120 240 600 80 45 90 225 31 116 232 581 82 44 88 220 32 113 225 563 84 43 86 214 33 109 218 545 86 42 84 209 34 106 212 529 88 41 82 205 35 103 206 514 90 40 80 200 36 100 200 500 92 39 78 196 37 ...

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