Noritz proTough NR98SV Installation Manual Download Page 15

15

Gas Line Sizing for a Noritz NR98-SV

Maximum Natur

Natural Gas Delivery Capacity in Cubic Feet per Hour (0.60 Specific Gravity, 0.5" WC Pressure Drop) 

Contact the Gas Supplier for Btu/Cubic Ft. of the Supplied Gas.  1000 BTU/Cubic Ft. is a Typical Value

Maximum Liquified P

Liquified Petroleum (Undiluted) Delivery Capacity in Thousands of Btuh (0.5" WC Pressure Drop)

Length in Feet

Length in Feet

Pipe
Size

Pipe
Size

1/2"

1/2"

3/4"

3/4"

1"

1"

1 1/4"

1 1/4"

1 1/2"

1 1/2"

2"

2"

2 1/2"

3"

3 1/2"

4"

10'

20'

30'

40'

50'

60'

70'

80'

90'

100'

125'

10'

20'

30'

40'

50'

60'

70'

80'

90'

100'

125'

150'

200'

174

363
684

1404
2103

4050

6455

11,412
16,709
23,277

119
249
470
965

1445
2784
4437

7843

11,484
15,998

96

200
377

775

1161
2235
3563
6299
9222

12,847

Adapted from UPC 1997

82

171
323
663

993

1913
3049
5391
7893

10,995

73

152
286
588
880

1696
2703
4778
6995
9745

66

138
259

532
798

1536
2449
4329
6338
8830

61

127
239
490
734

1413

2253
3983
5831

8123

56

53

50

44

118

111

104

93

222

208

197

174

456

683

1315

2096
3705
5425
7557

428
641

1234

1966

3476
5090
7091

404
605

1165

1857
3284
4808
6698

358
536

1033
1646
2910
4261
5936

275
567

1071

2205
3307
6221

189
393
732

1496
2299
4331

152

315
590

1212
1858

3465

129
267
504

1039
1559
2992

114
237
448
913

1417
2646

103
217
409
834

1275

2394

96

196
378
771

1181
2205

89

185
346

724

1086
2047

83

173
322

677

1023
1921

78

162
307

630
976

1811

69

146
275

567
866

1606

63

132
252

511
787

1496

55

112
213

440
675

1260

Maximum Capacity of Flex TracPipe  in Cubic Feet per Hour of 

Natural Gas

 

(0.60 Specific Gravity, 0.5" WC Pressure Drop) 

Length in Feet

Pipe
Size

3/4"

1"

1 1/4"
1 1/2"

2"

10'

20'

30'

40'

50'

60'

70'

80'

90'

100'

150'

200'

206
383
614

1261
2934

147
269
418
888

2078

121
218
334
723

1698

105
188
284
625

1472

94

168
251
559

1317

86

153
227
509

1203

80

141
209

471

1114

75

132

194

440

1042

71

125

181

415
983

67

118

171
393

933

55
94

137
320
762

48
82

116
277
661

R

Maximum Capacity of Flex TracPipe  in Thousands of Btuh 

Liquified Petroleum

 

( 0.5" WC Pressure Drop) 

Length in Feet

Pipe
Size

3/4"

1"

1 1/4"
1 1/2"

2"

10'

20'

30'

40'

50'

60'

70'

80'

90'

100'

150'

200'

325
605
971

1993
4638

232
425
661

1404
3285

191
344
528

1143
2684

166
297
449
988

2327

149
265
397
884

2082

136

241
359
805

1902

126

222
330

745

1761

118
208
307

696

1647

112
197

286

656

1554

106
186

270

621

1475

87

143

217
506

1205

76

129

183

438

1045

R

** For reference only.  Please consult gas pipe manufacturer for actual pipe capacities.

** For reference only.  Please consult gas pipe manufacturer for actual pipe capacities.

Maximum Capacity for Gas Flex Connectors in Cubic Feet per Hour of 

Natural Gas

 

(0.60 Specific Gravity, 0.5" WC Pressure Drop) 

Length in Inches

Pipe
Size

1/2"
3/4"

1"

1 1/4"

12"

24"

36"

48"

60"

72"

180

150
290
581

1470

125
255
512

1200

106
215
442

1130

93

197
397
960

86

173
347
930

Length in Inches

Pipe
Size

1/2"
3/4"

1"

1 1/4"

12"

24"

36"

48"

60"

72"

288

240
465
930

2352

200
409
825

1920

169
344
708

1808

149
315
638

1536

137

278
556

1488

Maximum Capacity for Gas Flex Connectors in Thousands of Btuh 

Liquified Petroleum

 

( 0.5" WC Pressure Drop) 

** For reference only.  Please consult gas pipe manufacturer for actual pipe capacities.

TracPipe® is a registered trademark of Omega Flex.

Summary of Contents for proTough NR98SV

Page 1: ...the customer along with the Owner s Guide WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage personal injury or death NORITZ AMERI...

Page 2: ...troller Cord 10ft 1 2 Optional Accessories The accessories listed below are not included with the units but may be necessary for installation Outdoor Vent Cap VC4 1 1 Quick Connect Cord Q ty Shape Par...

Page 3: ...tween the two units When connecting two units use only a single remote controller Note Connect the remote controller to only one of the units System Diagram Insulate the hot water piping to prevent he...

Page 4: ...rwise impure treat the water with approved methods in order to ensure full warranty coverage WARNING CAUTION Check the Gas Check that the rating plate indicates the correct type of gas Check that the...

Page 5: ...e Dust may block the air supply opening causing the performance of the device fan to drop and incomplete combustion to occur as a result Avoid installation in places where special chemical agents e g...

Page 6: ...ove the roof line in an outdoor instal lation use high temperature sealant around the flue collar for rain protection Avoid installation where the unit will be exposed to excessive winds Before instal...

Page 7: ...8 or more on either side of the unit to facilitate inspection If possible leave 24 or more in front of the unit to facilitate maintenance and service if necessary If possible leave 3 or more above an...

Page 8: ...lk or paved driveway located on public property Under veranda porch deck or balcony 7 M indicates clearances required in Canada Maintain clearances in accordance with local installation codes and the...

Page 9: ...t into any building 3 above any forced air inlet within 10 Vent Clearances When Heater is In stalled Outdoors With a Vent Cap All clearance requirements are in accordance with ANSI Z21 10 3 and the Na...

Page 10: ...be done to prevent the transfer of vibration Do not drop or apply unnecessary force to the device when installing Internal parts may be damaged and may become highly dangerous Install the unit on a ve...

Page 11: ...r will be required to properly connect the vent to this appliance Consult the manufacturer s instructions for the proper appli ance adapter Vent Piping Noritz N Vent is suggested for the vent system I...

Page 12: ...section is recommended to prevent debris from falling into the water heater Install a condensation drain in the horizontal section of the venting For installations in tight spaces where there is not e...

Page 13: ...is installed in a mechanical closet provide a 24 clearance in front of the unit to the door If combustion air will be provided through a duct size the duct to provide 60 cubic feet of fresh air per m...

Page 14: ...the gas line consult local codes or the National Fuel Gas Code ANSI Z223 1 Natural Gas Meter See next page for the pipe capacity charts Noritz NR98 SV 199 900 Btuh Clothes Dryer 35 000 Btuh Barbecue 5...

Page 15: ...Feet per Hour of Natural Gas 0 60 Specific Gravity 0 5 WC Pressure Drop Length in Feet Pipe Size 3 4 1 1 1 4 1 1 2 2 10 20 30 40 50 60 70 80 90 100 150 200 206 383 614 1261 2934 147 269 418 888 2078 1...

Page 16: ...stem or components previously used with a nonpotable water heating appliance When water is required in one part of the system at a higher temperature than in the rest of the system means such as a mix...

Page 17: ...wet the floor If neces sary provide drain piping or use a drain hose to remove the water Hot water piping Do not use lead PVC iron or any piping which has been treated with chromates boiler seal or ot...

Page 18: ...SV Cold to Water Heater Optional Sediment Filter Water Treatment Device Shutoff Valve Type of Water Hardness Level Treatment Device Flush Frequency Type of Water Hardness Level Treatment Device Flush...

Page 19: ...ump 4 Set the flow switch to deactivate the Air Handler when the domestic hot water flow reaches 3 GPM Adjust as necessary to prevent cycling 5 If the system requires water for space heating at a high...

Page 20: ...eater may cause electrical interference and faulty operation Disconnect Power Electrical Shock Hazard Do not turn power on until electrical wiring is finished Disconnect power before servicing Failure...

Page 21: ...or as shown on the right 5 Replace the front cover of the water heater 4 screws 6 Reconnect electrical power to the water heater but do not turn it on 7 Press and hold the FLOW METER ALARM SET button...

Page 22: ...and cause problems Be sure to hand tighten when screwing to the terminal block Power tools may cause damage to the terminal block 1 Check to make sure that the remote controller cord has plenty of sl...

Page 23: ...hich 120VAC will be supplied directly from a wall circuit to the pump 5 Replace the front cover Supplies Power for Circulating Pump Use a Relay for Larger Pumps Pump Wiring This feature is not availab...

Page 24: ...lack 3 White 4 Green 5 Blue 6 Blue 1 White 2 Green 3 Red 4 Black 5 Blue 6 Blue Connecting the Quick Connect Cord to the two units 1 Turn off the power 2 Remove the front cover of the heater 4 screws 3...

Page 25: ...r a proper blue color and consistency If the flame does not appear normal the burner may need to be cleaned If the burner needs to be cleaned it must be performed by a qualified service technician Do...

Page 26: ...ower to the unit 8 The unit will now operate whenever hot water is called for If the unit will not operate follow the shutdown instructions and call a service technician Shutdown Instructions 1 Stop a...

Page 27: ...1 4 8 2 8 4 5 5 9 7 8 3 1 1 4 7 0 GAS INLET 3 4 4 0 5 2 0 3 x 0 6 OBLONG HOLE HEIGHT OF EACH FITTINGS FROM BOTTOM OF CASE HOT WATER OUTLET COLD WATER INLET GAS INLET WIRING THROUGHWAY WATER DRAIN VAL...

Page 28: ...otes on the Installation Location The remote should be installed in an easily accessible location Avoid installing in a place where water or steam can come into contact with the controller Avoid locat...

Page 29: ...ord Phillips Roundhead Wood Screw Wall Anchor 3 Remove the cover of the remote control mark the location of the screw holes and drill holes for the wall anchors 4 Insert the wall anchors screw the rem...

Page 30: ...he wall pipe containing the remote controller wires through the hole 4 Slide the junction box packing and the junction box over the remote controller wires and wall pipe protruding from the outside wa...

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