Thermann TH17ENB5L Installer Manual Download Page 17

17

[Gas pipe sizing tables]

•  These tables are for reference only. Consult gas pipe manufacturer for actual pipe capacities.

•  It is an example of Copper Pipe (AS 1432 TypeB) and Natural Gas.

•  Values in Table are in MJ of Gas per Hour. 

1. Maximum Natural Gas Delivery Capacity (For supply pressure around 1.25 kPa) - COPPER PIPE (AS 1432 TYPE B) [MJ/h]

Pipe

Size

0.12 kPa Pressure Drop

Length (including fittings) : metres

2

4

6

8

10

12

14

16

18

20

25

30

35

40

45

50

55

60

15

62

43

34

29

26

22

19

17

15

20

206

141

114

97

86

78

72

67

63

59

52

48

44

41

37

33

30

28

25

452

311

249

214

189

171

158

147

138

130

115

104

96

89

84

79

75

72

32

867

596

478

409

363

329

302

281

264

249

221

200

184

171

161

152

144

138

40

1459 1002

805

689

611

553

509

474

444

420

372

337

310

288

271

256

243

232

50

3356 2307 1852 1585 1405 1273 1171 1090 1022

966

856

776

713

664

623

588

559

533

65

6217 4273 3431 2937 2603 2358 2169 2018 1894 1789 1585 1436 1321 1229 1154 1090 1035

987

80

9884 6794 5455 4669 4138 3750 3450 3209 3011 2844 2521 2284 2101 1955 1834 1732 1645 1570

100

– 6286 5571 5048 4644 4320 4054 3829 3637 3469

125

– 11520 10210 9251 8511 7918 7429 7017 6665 6358

150

– 18531 16423 14881 13690 12736 11950 11288 10720 10227

2. Maximum Natural Gas Delivery Capacity (For supply pressure around 1.5-2.5 kPa) - COPPER PIPE (AS 1432 TYPE B)  [MJ/h]

Pipe 

Size

0.25 kPa Pressure Drop

Length (including fittings) : metres

2

4

6

8

10

12

14

16

18

20

25

30

35

40

45

50

55

60

15

93

64

51

44

39

35

32

30

28

20

306

210

169

145

128

116

107

99

93

88

78

71

65

61

57

54

51

49

25

672

462

371

318

281

255

235

218

205

193

171

155

143

133

125

118

112

107

32

1289

886

712

609

540

489

450

419

393

371

329

298

274

255

239

226

215

205

40

2170 1491 1197 1025

908

823

757

704

661

624

553

501

461

429

403

380

361

345

50

4993 3431 2755 2358 2090 1894 1742 1621 1521 1437 1273 1154 1061

987

926

875

831

793

65

9247 6355 5104 4368 3871 3508 3227 3002 2817 2661 2358 2137 1966 1829 1716 1621 1539 1469

80

14703 10105 8115 6945 6155 5577 5131 4773 4479 4231 3750 3397 3125 2908 2728 2577 2448 2335

100

– 9350 8287 7509 6908 6426 6030 5696 5409 5161

125

– 17136 15187 13761 12660 11777 11050 10438 9914 9458

150

– 27564 24429 22135 20363 18944 17775 16790 15946 15213

3. Maximum Natural Gas Delivery Capacity (For supply pressure around 2.75-5 kPa) - COPPER PIPE (AS 1432 TYPE B)  [MJ/h]

Pipe 

Size

0.75 kPa Pressure Drop

Length (including fittings) : metres

2

4

6

8

10

12

14

16

18

20

25

30

35

40

45

50

55

60

15

168

115

93

79

70

64

59

54

51

48

43

39

36

33

31

29

28

27

20

554

381

306

262

232

210

193

180

169

160

141

128

118

110

103

97

92

88

25

1218

837

672

575

510

462

425

396

371

351

311

281

259

241

226

214

203

193

32

2336 1606 1289 1104

978

886

815

758

712

672

596

540

497

462

433

409

389

371

40

3931 2702 2170 1857 1646 1491 1372 1276 1197 1131 1002

908

836

777

729

689

654

624

50

9046 6217 4993 4273 3787 3431 3157 2937 2755 2603 2307 2090 1923 1789 1678 1585 1506 1437

65

16754 11515 9247 7914 7014 6355 5847 5439 5104 4821 4273 3871 3562 3313 3109 2937 2789 2661

80

26639 18309 14703 12584 11153 10105 9297 8649 8110 7665 6794 6155 5663 5268 4943 4669 4435 4231

100

– 16941 15015 13604 12516 11644 10925 10320 9801 9350

125

– 31048 27517 24932 22938 21339 20022 18912 17962 17136

150

– 49941 44262 40104 36896 34324 32205 30421 28892 27564

Summary of Contents for TH17ENB5L

Page 1: ...L Gas Continuous Flow Water Heaters Installation Details Warranty Models TH26ENG5N TH26ENG5L TH26ENG6N TH26ENG6L TH21ENB5N TH21ENB5L TH21ENB6N TH21ENB6L TH17ENB5N TH17ENB5L TH17ENB6N TH17ENB6L GISI087 FB9M002 Rev 05 21 ...

Page 2: ...uture reference Also be sure to fill in all of the required items on the warranty and to hand the warranty to the customer along with the Owner s Guide The Water Heater must be commissioned including checking gas supply pressures at maximum demand The operation of the Water Heater should be explained including normal operation and regular maintenance CAUTION FOR CONTINUED SAFETY OF THIS APPLIANCE ...

Page 3: ...5 3 Choosing an Installation Location 11 4 Installation Clearances 12 5 Installation of the Water Heater 13 6 Connecting the Gas Supply 14 7 Connecting the Water Supply 19 8 Connecting Electricity 21 9 Remote Controller 22 10 Trial Operation 25 11 Maintenance 26 ...

Page 4: ...EXCEEDING 50 C IN ACCODRANCE WITH AS 3498 WARNING THIS APPLIANCE MUST ONLY BE INSTALLED IN ACCORDANCE WITH THE ACCEPTABLE PLUMBING CONFIGURATIONS SPECIFIED IN THESE INSTRUCTIONS FAILURE TO DO SO MAY RESULT IN CONDITIONS WHERE DELIVERY TEMPERATURE CONTROL IS INADEQUATE WARNING For NG Gas xx xxxxxxxx xx xx xx xx Do Not Use Appliance for Purposes Other Than Those Specified Do not use for other than i...

Page 5: ...Owner s Guide Installation Manual this document 1 each The following accessories are included with the Water Heater Check for any missing items before starting installation 2 1 Included Accessories 2 About the Water Heater ...

Page 6: ...h 520 mm 350 mm 170 mm Weight 16 kg 15 kg 14 kg Water Holding Capacity 0 7 L 0 5 L Connection Sizes Water Inlet R 3 4 20 mm Hot Water Outlet R 3 4 20 mm Gas Inlet R 3 4 20 mm Power Supply Supply 230 240 VAC 50 Hz Consumption NG ULPG 55 0 W 60 0 W 36 0 W 49 0 W 31 0 W 41 0 W Freeze Prevention 106 W 129 W Burner Injector Size NG 1 45 mm 2 1 mm 1 2 mm 2 0 mm 1 2 mm 1 8 mm ULPG 1 0 mm 1 4 mm 0 9 mm 1 ...

Page 7: ...SSURE RELIEF VALVE WATER DRAIN VALVE 80 2 6 24 OBLONG HOLE 6 541 13 2 6 24 OBLONG HOLE 2 6 80 2 13 AIR INLET 27 16 170 20 5 487 16 71 94 85 64 179 252 62 129 HOT WATER OUTLET R3 4 WIRING THROUGHWAYS COLD WATER INLET R3 4 VIEW FROM TOP GAS INLET R3 4 338 STATUS DISPLAY HEIGHT OF EACH FITTINGS FROM BOTTOM OF CASE HOT WATER OUTLET COLD WATER INLET GAS INLET 45 53 44 Unit mm TH26ENG series ...

Page 8: ...4 178 73 42 57 FLUE EXHAUST AIR INLET COLD WATER INLET HOT WATER OUTLET WIRING THROUGHWAYS GAS INLET 10 487 10 170 27 11 31 AIR INLET AIR INLET 50 85 120 10 542 60 120 10 90 3 6 5ᨴ16 5 OBLONG HOLE 2 6ᨴ13 OBLONG HOLE 4 φ13 4 φ13 40 97 40 80 37 296 139 252 GAS INLET R3 4 VIEW FROM TOP HOT WATER OUTLET R3 4 COLD WATER INLET R3 4 WIRING THROUGHWAYS TH21ENB Series TH17ENB Series 338 334 350 42 57 214 3...

Page 9: ...iter Thermistor Cold Water Thermistor Hot Water Water Flow Sensor Fan Motor Gas Inlet Cold Water inlet Hot Water outlet Circuit board Water Servo Flue collar Freeze Preven on Heater Freeze Preven on Heater Freeze Preven on Heater Freeze Preven on Heater Freeze Preven on Heater Water Drain Valve Power code Thermistor Low temperature detect Status Display TH26ENG series ...

Page 10: ...inlet Igniter Main flow control valve Hot water outlet Cold water inlet Flue exhaust Anti frost heater Thermal fuse Power code Pressure relief valve Water flow sensor Water inlet thermistor Anti frost heater Water outlet thermistor Anti frost heater High limit switch Ignition plug Freeze protection thermostat Inlet water filter TH21ENB series TH17ENB series ...

Page 11: ...s will cause carbon monoxide poisoning and a potential fire hazard DANGER Locate the appliance in an area where water leakage from the unit or connections will not result in damage to the area adjacent to the appliance or to the lower floors of the structure When such locations cannot be avoided it is recommended that a suitable drain pan adequately drained be installed under the appliance The pan...

Page 12: ...to be a source of ignition 4 For appliances not addressed above acceptance should be obtained from the Technical Regulator 5 Minimum clearances d and e also apply to any combustion air intake openings of appliances Ref Item Minimum clearances mm Fan assisted a Below eaves balconies and other projections Appliances up to 50 MJ h input 200 Appliances over 50 MJ h input 300 b From the ground above a ...

Page 13: ...the remaining four screws two for the top bracket and two for the bottom and remove the Water Heater Loca on of Screw Hole Moun ng Bracket upper Loca on of Screw Hole 4 Drill holes for the remaining four screws 5 Hang the Water Heater again by the first screw and then insert and tighten the remaining four screws 6 Take waterproofing measures so that water does not enter the building from screws mo...

Page 14: ... removal The thread diameter is 20 mm 2 Fit an suitably approved isolating gas cock in the supply pipe adjacent to the Water Heater gas connection 3 Ensure that the supply pipe and the gas pressure regulator ULPG or Natural Gas has sufficient flow capacity for this and other appliances connected to the fitting pipe 4 For ULPG appliances ensure that gas cylinders are of sufficient size The Water He...

Page 15: ...nformation e g Point of delivery Outlet 1 clothes dryer 80 MJ h Outlet 2 range oven unit 50 MJ h Outlet 4 furnace 100 MJ h Outlet 3 water heater 150 MJ h 2 Determine the gas type used and supply gas Pressure and enter it Determine the piping material and enter it to the below Select the appropriate pipe sizing table from page 17 18 and enter it to the below Gas type Natural Pressure drop 0 12 kPa ...

Page 16: ...section of piping Enter this size in the table below Appliance Demand Outlet length Size Outlet 1 80 MJ h 7 m 20 mm Outlet 2 50 MJ h 5 m 20 mm Outlet 3 150 MJ h 2 m 20 mm Outlet 4 100 MJ h 2 m 20 mm e g Appliance Demand Outlet length Size Outlet 1 Outlet 2 Outlet 3 Outlet 4 Section Demand Length Size a b Outlet 1 2 3 4 380 MJ h 12 m 40 mm b c Outlet 1 2 130 MJ h 4 m 20 mm c d Outlet 1 80 MJ h 7 m ...

Page 17: ...2 371 318 281 255 235 218 205 193 171 155 143 133 125 118 112 107 32 1289 886 712 609 540 489 450 419 393 371 329 298 274 255 239 226 215 205 40 2170 1491 1197 1025 908 823 757 704 661 624 553 501 461 429 403 380 361 345 50 4993 3431 2755 2358 2090 1894 1742 1621 1521 1437 1273 1154 1061 987 926 875 831 793 65 9247 6355 5104 4368 3871 3508 3227 3002 2817 2661 2358 2137 1966 1829 1716 1621 1539 146...

Page 18: ...329 311 295 2813 32 3399 2336 1876 1606 1423 1289 1186 1104 1035 978 867 785 723 672 631 596 566 540 40 5720 3931 3157 2702 2395 2170 1996 1857 1742 1646 1459 1322 1216 1131 1061 1002 952 908 50 13161 9046 7264 6217 5510 4993 4593 4273 4009 3787 3356 3041 2798 2603 2442 2307 2191 2090 65 24377 16754 13454 11515 10206 9247 8507 7914 7426 7014 6217 5633 5182 4821 4523 4273 4058 3871 80 38760 26639 2...

Page 19: ...d hazard 7 1 Guidelines NOTE Avoid using joints as much as possible to keep the piping simple Avoid piping in which an air holdup can occur Avoid connection by fluid seal It will cause the filter to stick that is torn Pipe and fittings must meet the installation requirements of AS NZS 3500 4 and local authority regulations An isolating valve must be installed on the water inlet in close proximity ...

Page 20: ...sure to also completely insulate the water supply valve and the cold and hot water connections on the Water Heater 7 3 After Installing the water supply piping After purging the air from the system using the hot water supply taps remove the water inlet strainer located on the cold water supply inlet connection Remove any debris from the filter and replace When replacing the filter do not over tigh...

Page 21: ...connected to 230 240 VAC at 50 Hz The power consumption may be up to TH17 21ENB series 179 W TH26ENG series 166 W Use an appropriate circuit The Water Heater requires 230 240 VAC 50 Hz in Australia and New Zealand weatherproof plug installed in a protected position adjacent to the appliance If the power cord is damaged and requires replacement use only an original spare part available from the man...

Page 22: ... from the wall 3 Remove the front cover 4 screws 4 Pass the remote controller cord through the wiring throughway and into the Water Heater 5 Connect the Y shaped terminals at the end of the remote controller cord to the terminal block 6 Secure the remote controller cord with a clamp 7 Reattach the front cover 9 Remote Controller When changing the temperature make sure to confirm with the customer ...

Page 23: ...stalling Because the maximum temperature displaying of the Remote Controller is 60 C If you want use it less than 42 C call Customer Service on 1300 412 612 in Australia or 0800 729 389 in New Zealand 3 Change the temperature with MODE button and UP DOWN button on the status display 1 Press and hold MODE button for 2 seconds and set the DISPLAY to F03 using UP or DOWN button 2 Press MODE button on...

Page 24: ...7 37 37 48 48 37 48 37 48 50 50 37 48 50 37 48 50 55 55 37 48 50 37 48 50 60 60 37 48 50 55 60 37 48 50 65 65 37 48 50 55 60 37 48 50 70 70 37 48 50 55 60 37 48 50 C TH21ENB series TH17ENB series Without Controller Main Controller Bath Room Controller ECM1T ECB1T ECB2T 50 C model TH21ENB5 N L TH17ENB5 N L Factory Setting 50 37 48 50 37 48 50 Bridge in 42 37 42 37 42 55 C model TH21ENB6 N L TH17ENB...

Page 25: ...emote Controller air may be trapped in the gas pipe 1 Close a hot water fixture 2 Turn the unit off and then back on 3 Open a hot water fixture again 4 If necessary repeat until the air is completely purged from the gas pipe 10 Trial Operation 1 Close the water supply valve NOTE Do not lose the Sealing 2 Open all hot water fixtures 3 With a bucket ready remove the inlet water filter about 1 L will...

Page 26: ...nd call a service technician Lighting Instructions Handling after trial operation If the Water Heater will not be used immediately close all gas and water valves and drain all of the water out of the Water Heater and the plumbing system to prevent the Water Heater and system from freezing and discharge the gas out of the gas pipe Freezing is not covered by the warranty NOTICE A fire or explosion m...

Page 27: ...nd suburban water supplies fall within these limits parameters In areas of Australia and New Zealand where water may be supplied either fully or partly from bores artesian wells or similar one or more of the important limits may well be exceeded and the heater could therefore be at risk of failure Where uncertainty exists concerning water quality intending appliance users should seek a water analy...

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