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40

Table 12 – 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

Checklist

1. Put away tools and instruments. Clean up debris.
2. Verify that blower OFF--DELAY time is selected as

desired.

3. Verify that blower and burner access doors are properly

installed.

4. Cycle test furnace with room thermostat.
5. Check operation of accessories per manufacturer’s

instructions.

6. Review User’s Guide with owner.
7. Attach literature packet to furnace.

313A

Summary of Contents for 313AAV

Page 1: ...lter Arrangement 14 Air Ducts 14 Gas Piping 17 115 V Wiring 22 START UP ADJUSTMENT AND SAFETY CHECK 36 General 36 Start up Procedures 36 Adjustments 36 Check Safety Controls 39 Checklist 40 SERVICE AN...

Page 2: ...11 16 322 9 5 16 237 4 102 114 52 16 406 070 16 048070 17 1 2 445 15 7 8 403 16 406 11 9 16 294 4 102 136 62 16 406 090 16 048090 21 533 19 3 8 492 19 1 2 495 13 5 16 338 4 102 150 68 20 508 110 20 0...

Page 3: ...e space containing the furnace the return air shall also be handled by duct s sealed to the furnace casing and terminating outside the space containing the furnace See Air Ducts section 8 A gas fired...

Page 4: ...local codes the installation must comply with the national codes listed below and all authorities having jurisdiction In the United States and Canada follow all codes and standards for the following...

Page 5: ...Z223 1 2006 Chapters 12 and 13 S CANADA CAN CSA B149 1 05 Part 8 and Appendix C ELECTROSTATIC DISCHARGE ESD PRECAUTIONS PROCEDURE FURNACE RELIABILITY HAZARD Improper installation or service of furnace...

Page 6: ...eaning Always comply with minimum fire protection clearances shown on the furnace clearance to combustible label The following types of furnace installations may require OUTDOOR AIR for combustion due...

Page 7: ...It also prevents the entrainment of drywall dust into combustion air which can cause fouling and plugging of furnace components The temperature of the return air to the furnace is maintained between 5...

Page 8: ...h means to prevent operation of either unit unless the damper is in the full heat or full cool position AIR FOR COMBUSTION AND VENTILATION Provisions for adequate combustion ventilation and dilution a...

Page 9: ...ilation and dilution of flue gases The furnace combustion air supply must be provided in accordance with this instruction manual WARNING The Standard Method 1 The space has no less volume than 50 cubi...

Page 10: ...ly and 3 Outdoor openings shall be sized as follows a Calculate the Ratio of all Indoor Space volume divided by required volume for Indoor Combustion Air Method below A02098 Fig 9 Removing Bottom Clos...

Page 11: ...commended that the perforated supply air duct flanges be completely folded over or removed from furnace when installing the furnace on a factory supplied cased coil or coil box To remove the supply ai...

Page 12: ...12 APPROVED COIL ASSEMBLY OR COIL BOX FURNACE SHEET METAL PLENUM FLOOR OPENING COMBUSTIBLE FLOORING A08556 Fig 13 Furnace Plenum and Coil Assembly or Coil Box Installed on a Combustible Floor 313A...

Page 13: ...y damage Do not install the furnace on its back or hang furnace with control compartment facing downward Safety control operation will be adversely affected Never connect return air ducts to the back...

Page 14: ...d and sealed to enhance system performance When air conditioning is used a vapor barrier is recommended Maintain a 1 in 25 mm clearance from combustible materials to supply air ductwork for a distance...

Page 15: ...THREADED ROD 4 REQ SECURE ANGLE IRON TO BOTTOM OF FURNACE WITH 3 8 x3 4 19mm SCREWS TYPICAL FOR 2 SUPPORTS 1 25mm SQUARE 1 1 4 x1 1 4 x1 8 32x32x3mm ANGLE IRON OR UNI STRUT MAY BE USED 2 HEX NUTS 2 WA...

Page 16: ...Suspension with Straps 30 IN 762mm MIN WORK AREA 6 MIN TYPE B VENT 17 3 4 22 SHEET METAL SEDIMENT TRAP EQUIPMENT MANUAL SHUT OFF GAS VALVE LINE CONTACT ONLY PERMISSIBLE BETWEEN LINES FORMED BY INTERSE...

Page 17: ...xtend a minimum of 2 in 51 mm outside the furnace WARNING Gas piping must be installed in accordance with national and local codes Refer to current edition of NFGC in the U S the CAN CSA B149 1 05 in...

Page 18: ...ded 3 4 in 19 mm washable filter media such as contained in factory authorized accessory filter rack To determine airflow performance without this filter assume an additional 0 1 in wc available exter...

Page 19: ...19 A02075 Fig 18 Upflow Return Air Configurations and Restrictions A02163 Fig 19 Downflow Return Air Configurations and Restrictions 313A...

Page 20: ...20 A02162 Fig 20 Horizontal Return Air Configurations and Restrictions 2 51mm Street Elbow A08551 Fig 21 Burner and Manifold 313A...

Page 21: ...nt ELECTRICAL CONNECTIONS ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Blower access panel door switch opens 115 v power to control No component oper...

Page 22: ...Step 1 5 Route J Box wires within furnace away from sharp edges rotating parts and hot surfaces ELECTRICAL CONNECTION TO J BOX Field Supplied Electrical Box on Furnace J Box Bracket See Fig 23 1 Remov...

Page 23: ...t is required use ONLY a 3 amp fuse of identical size ACCESSORIES 1 Electronic Air Cleaner EAC Connect an accessory Electronic Air Cleaner if used using 1 4 in female quick connect terminals to the tw...

Page 24: ...AUXILIARY J BOX 24 V TERMINAL BLOCK THREE WIRE HEATING ONLY FIVE WIRE NOTE 1 NOTE 2 FIELD SUPPLIED DISCONNECT CONDENSING UNIT TWO WIRE FURNACE C O N T R O L R G COM W C R G Y GND GND FIELD 24 V WIRING...

Page 25: ...nce with ANSI Z21 47 2006 CSA 2 3 2006 and operate with a non positive vent static pressure to minimize the potential for vent gas leakage Category I furnaces operate with a flue loss not less than 17...

Page 26: ...wing these figures A04216 Fig 27 Single Stage Furnace with Two Speed Air Condi tioner See notes 1 2 4 6 7 9 10 and 12 on the page following these figures A04217 Fig 28 Single Stage Furnace with Single...

Page 27: ...installations This is factory default 5 Dip switch No 1 on Thermidistat should be set in ON position for heat pump installations 6 Dip switch No 2 on Thermidistat should be set in OFF position for sin...

Page 28: ...erior Masonry Chimney FAN NAT Installations with Type B Double Wall Vent Connectors NFPA AGA Table 8 Combined Appliance Maximum Input Rating in Thousands of BTUH per Hour VENT HEIGHT FT M INTERNAL ARE...

Page 29: ...n cleanout Mortar tile metal vent fuel oil residue Is liner and top seal in good condition Is chimney property lined with clay tile liner Crown condition Missing mortar or brick Rebuild crown Yes Yes...

Page 30: ...sing If flue extension is used fasten the flue extension to the vent elbow with at least two field supplied corrosion resistant sheet metal screws located 180_ apart Fasten the vent connector to the f...

Page 31: ...8 9 on the pages following these figures A03209 Fig 35 Upflow Application Vent Elbow Right SEE NOTES 1 2 3 4 5 7 8 9 on the page following these figures A03210 Fig 36 Downflow Application Vent Elbow...

Page 32: ...9 on the page following these figures A03212 Fig 39 Downflow Application Vent Elbow Up then Right SEE NOTES 1 2 4 7 8 9 on the page following these figures A03213 Fig 40 Horizontal Left Application V...

Page 33: ...15 Fig 43 Horizontal Left Application Vent Elbow Up SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03219 Fig 44 Horizontal Right Application Vent Elbow Left then Up SEE NOTES 1 2 4 5 7 8...

Page 34: ...min vent must be used inside furnace casing and when the KGAVG0101DFG Downflow Vent Guard Kit is used external to the furnace 6 Accessory Downflow Vent Guard Kit KGAVG0101DFG required in downflow ins...

Page 35: ...35 A04128 Fig 48 Rounded End of Knockout A04129 Fig 49 Knockout Pulled Loose A04130 Fig 50 Hammer and Screwdriver Used for Knockout A04131 Fig 51 Remove Knockout with Hammer 313A...

Page 36: ...rned on See Fig 24 ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Blower access door switch opens 115 v power to control No component operation can occ...

Page 37: ...right then up Fig 41 132 000 5 127 7 2 Horizontal Left Vent elbow right Fig 42 132 000 5 127 7 2 NOTE All vent configurations must also meet National Fuel Gas Code venting requirements NFGC 4 in 102 m...

Page 38: ...rmometer readings stabilize subtract return air temperaturefromsupply air temperatureto determineair temperature rise NOTE Blower access door must be installed for proper temperature rise measurement...

Page 39: ...ion during this test cause must be determined and corrected a Run furnace for at least 5 minutes b Gradually block off return air with a piece of cardboard or sheet metal until the limit trips c Unblo...

Page 40: ...8 621 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 50...

Page 41: ...41 Table 13 Orifice Size and Manifold Pressure In wc for Gas Input Rate A08220 313A...

Page 42: ...42 Table 13 Orifice Size and Manifold Pressure In wc for Gas Input Rate CONT A08220A 313A...

Page 43: ...he furnace from heating The control system also requires an earth ground for proper operation of the control and flame sensing electrode The 24 v circuit contains an automotive type 3 amp fuse located...

Page 44: ...44 Table 14 Orifice Size And Manifold Pressure In wc For Gas Input Rate A08221 313A...

Page 45: ...or before initiating status code recall After status code recall is completed component test will occur 327596 101 REV B 31 PRESSURE SWITCH DID NOT CLOSE OR REOPENED If open longer than five minutes i...

Page 46: ...service agency 5 Inspect the vent pipe vent system before each heating season for rust corrosion water leakage sagging pipes or broken fittings Have vent pipes vent system serviced by a qualified serv...

Page 47: ...er housing and set screw contacts the flat portion of the motor shaft Loosen set screw on blower wheel and reposition if necessary 14 Spin the blower wheel by hand to verify that the wheel does not ru...

Page 48: ...rifle cleaning brush 36 in 914 mm long 1 4 6 mm diameter steel spring cable a variable speed reversible electric drill and vacuum cleaner clean cells as follows a Remove metal screw fitting from wire...

Page 49: ...ormer TRAN inducer motor IDM blower motor BLWM hot surface igniter HSI and gas valve GV 1 Heating See Fig 25 for thermostat connections The wall thermostat calls for heat closing the R to W circuit Th...

Page 50: ...R to G and Y Y2 circuit is closed and there is a demand for dehumidification the furnace blower motor BLWM will drop the blower speed from COOL to HEAT for a maximum of 10 minutes before reverting bac...

Page 51: ...d Y Y2 and G R to W and Y1 and Y Y2 or R to W and Y1 and Y Y2 and G circuits are energized the furnace control CPU will switch to or turn on the blower motor BLWM at HEAT speed and begin a heating cyc...

Page 52: ...52 A08176 Fig 59 Wiring Diagram 313A...

Page 53: ...t sequence The inducer will start and run for the entire component test The HSI blower motor FAN speed AMBER LED boards only HEAT speed and COOL speed will run for 10 15 seconds each Gas valve and hum...

Page 54: ...the trial for ignition period the control will repeat the ignition sequence 3 more times before lockout 14 occurs If flame signal is lost during the blower on delay period blower will come on for the...

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