Related Manuals for A.O. Smith TWI 35-130
Summary of Contents for A.O. Smith TWI 35-130
- Page 1 Installation Installation User and User and Service Manual Service Manual WATER PRODUCTS WATER PRODUCTS COMPANY COMPANY A DIVISION OF A. O. SMITH CORPORATION A DIVISION OF A. O. SMITH CORPORATION 35-130 45-190...
- Page 2 www.aosmithinternational.com your installer...
- Page 3 Instruction manual TWI 35-130 G/TWI 45-190 G...
- Page 4 Instruction manual TWI 35-130 G/TWI 45-190 G...
- Page 5 All brand names mentioned in this manual are registered trademarks of the respective suppliers. A.O. Smith Water Products Company does not accept any liability for claims of third parties as a result of incompetent use other than mentioned in this manual and in conformity with the General Terms and Conditions as fi...
- Page 6 Instruction manual TWI 35-130 G/TWI 45-190 G...
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Page 7: Table Of Contents
10.5 Complete maintenance- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 50 Instruction manual TWI 35-130 G/TWI 45-190 G... - Page 8 11.6 Claims - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 52 11.7 Obligations of A.O. Smith - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 52 12.1 Introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 53...
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Page 9: Introduction
The possible device types are B23, C13, C33, C43, C53 and C63. The information in this manual is applicable to the TWI 35-130 and TWI 45-190. The construction method and the equipment of the device are in conformity with the European standard for gas-fi... -
Page 10: Target Groups
Both the end user and the service and maintenance engineer are responsible for regular maintenance. They shall make clear appointments about this. Remark If the device is not regularly maintained, the warranty will become null and void. Instruction manual TWI 35-130 G/TWI 45-190 G... -
Page 11: Notation System
6. Drain 7. Start up 8. Shut down 9. Errors 10. Maintenance Instruction manual TWI 35-130 G/TWI 45-190 G This manual makes use of the following notation system: Remark Attention: important notice. Caution Ignoring this text may result in damage of the device. - Page 12 Chapter Target groups 11. Warranty (certifi cate) 12. Annexes Introduction Description This chapter contains the terms of warranty. This chapter contains the electrical circuit diagram. Instruction manual TWI 35-130 G/TWI 45-190 G...
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Page 13: Operation Of The Device
23. Connector 24. Transformer 120 VAC-24 VAC 25. Electronic control 26. Thermostat board 27. Inspection window Instruction manual TWI 35-130 G/TWI 45-190 G Operation of the device This chapter will cover in the given order: • General operation of the device;... -
Page 14: Heating Cycle Of The Device
As soon as the measured temperature is above the set water temperature, the heat demand ends and the electronic control stops the heating cycle. Introduction temperature; control; detection. Instruction manual TWI 35-130 G/TWI 45-190 G... - Page 15 2.4.4 2.4.5 2.4.6 Instruction manual TWI 35-130 G/TWI 45-190 G Security of the water temperature The safety switch or ECO (Energy Cut-Off) switches off the device when the water temperature exceeds 95 ºC. As soon as the temperature has suffi ciently dropped, the ECO is reset automatically.
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Page 16: Safety Of The Installation
fl ow into the tank. The valve remains open until the unsafe situation has been removed. The device typically has a connecting point for a T&P valve “Hot water side”). Instruction manual TWI 35-130 G/TWI 45-190 G (3.6.1 “Cold water side”). (3.6.2... -
Page 17: Installation
Introduction Packaging Ambient conditions Instruction manual TWI 35-130 G/TWI 45-190 G Installation Warning The installation shall be carried out by an authorised installation engineer in accordance with the generally and locally applicable regulations of gas, water, electricity companies and the fi re brigade. - Page 18 AA: on the front side of the device: 100 cm. • BB: around the device: 50 cm. • Top side of the device: 50 cm. Instruction manual TWI 35-130 G/TWI 45-190 G max. 93% RH at +25°C Functional: 0 ≤ t ≤ 60°C 199 kg 271 kg (11 “Warranty (certifi...
- Page 19 Instruction manual TWI 35-130 G/TWI 45-190 G Remark When installing the device, make sure that the device cannot damage the immediate surroundings or lower fl oors in case of leakage of the tank and/or connections. If this is the case, install the device near a fl oor discharge or in a metal drip tray of the right size.
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Page 20: Technical Specifi Cations
Height cold water supply Height hot water outlet Installation The tables below contain the technical data. Dimensions of the device Top and bottom views of the device Instruction manual TWI 35-130 G/TWI 45-190 G IMD-0529 R1 TWI 35-130 TWI 45-190 1270 1620... - Page 21 Gas category 2H: G20 – 20 mbar Nominal load (Upper value) Nominal output Supply pressure Gas consumption (*) (*) Based on 1013,15 mbar and 15°C. Instruction manual TWI 35-130 G/TWI 45-190 G General and electrical data General and electrical data Unit min. Watt (W)
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Page 22: Connections Diagram
Installation The fi gure shows the connections diagram. This diagram is used in the sections describing the actual connecting activities. Connections diagram UNVENTED VENTED Instruction manual TWI 35-130 G/TWI 45-190 G... -
Page 23: Water Connections Unvented
3.6.4 Water connections vented 3.7.1 3.7.2 Instruction manual TWI 35-130 G/TWI 45-190 G Warning The installation shall be carried out by a recognised installation engineer in accordance with the generally and locally applicable regulations Cold water side See (A) in the connections diagram... -
Page 24: Water Connections Vented
The devices have been inspected for the device types B23, C13, C33, C43, C53 and C63. The fi gure and the table provide information about these device types. Please contact the manufacturer if you require an explanation of the possibilities. Instruction manual TWI 35-130 G/TWI 45-190 G (3.5 “Connections diagram”). (1.3 “Regulations”). - Page 25 Device types IMD-0531 R0 Instruction manual TWI 35-130 G/TWI 45-190 G...
- Page 26 Practical example of concentric fl ue gas discharge Example The fi gure shows a TWI 35-130. The device shall be provided with a 15 m concentric pipe (C13/C33) and four 90° bends. An inspection shall be carried out for compliance of this confi guration with the requirements stated in the table.
- Page 27 Specifi cations Caution A.O. Smith prescribes the use of a roof or wall fl ue terminal approved for the device with the C13 and C33 device types. Use of an improper roof or wall fl ue terminal may lead to an error.
- Page 28 Practical example of parallel fl ue gas discharge Example The fi gure shows a TWI 35-130. The device is to be provided with a 25 m parallel pipe with a diameter of 100 mm and eight 90° bends. An inspection shall be carried out for compliance of the confi...
- Page 29 This makes the total pipe length: (4.6 x 8) + 25 = 36.8 + 25 = 61.8 m. This is shorter than the length of 100 metres given in the table. Therefore the installation meets the requirements. Instruction manual TWI 35-130 G/TWI 45-190 G...
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Page 30: Electrical Connection
No voltage difference is allowed between the zero (Z) and the earth ( If this is the case, apply an isolating transformer Please contact A.O. Smith for additional information or for ordering this isolating transformer. The fi gure shows a view of the electrical connector block. - Page 31 Instruction manual TWI 35-130 G/TWI 45-190 G Connector block Legends screws cover plate connector block strain relief For preparation remove the cover plate (B) from the electricity part by loosening the two screws (A). Remark Consult the electrical circuit diagram for connecting the electrical components.
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Page 32: Check And Adjust The Co -Value
-value is obligatory when starting up the device for the fi rst time. Remark You obviously need a CO -gauge for checking the CO Instruction manual TWI 35-130 G/TWI 45-190 G ) of the power cable to the -value -value. - Page 33 3.11.1 Checking procedure Instruction manual TWI 35-130 G/TWI 45-190 G Gas control Position the probe of the CO -gauge into the fl ue gas discharge duct of the concentric venturi tube. Open the gas supply and bleed the air from the gas system.
- Page 34 In this way you enable us to guarantee the quality of our systems and to optimise our warranty procedure. Return this card as soon as possible. Your customer will then receive a warranty certifi cate with our terms of warranty. Instruction manual TWI 35-130 G/TWI 45-190 G setting screw (4). -value decreases -value increases...
- Page 35 Conversion to another gas category Conversion to another gas category is not possible. Instruction manual TWI 35-130 G/TWI 45-190 G...
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Page 36: Conversion To Another Gas Category
Conversion to another gas category Instruction manual TWI 35-130 G/TWI 45-190 G... -
Page 37: Fill
(obligatory) three-way aeration valve (recommended) water tank fl oat valve cold water supply hot water discharge circulation piping gas supply water overfl ow overfl ow pipe Instruction manual TWI 35-130 G/TWI 45-190 G Fill Connections diagram UNVENTED VENTED... -
Page 38: Fill The Device
The device will now be under water piping pressure. Water should not come out of the T&P valve (3) now. If so, the T&P valve may be defective or have been mounted incorrectly. Instruction manual TWI 35-130 G/TWI 45-190 G... -
Page 39: Drain
(obligatory) three-way aeration valve (recommended) water tank fl oat valve cold water supply hot water discharge circulation piping gas supply water overfl ow overfl ow pipe Instruction manual TWI 35-130 G/TWI 45-190 G Drain Connections diagram UNVENTED VENTED... -
Page 40: Drain Unvented Installations
Close the stop valve (4) between de water tank and the cold water inlet (A). Connect the discharge hose to the drain valve (9). Open the drain valve (9). Aerate the device (or installation) allowing it to completely empty. Instruction manual TWI 35-130 G/TWI 45-190 G... -
Page 41: Start Up
Introduction Start up Heating cycle of the device Instruction manual TWI 35-130 G/TWI 45-190 G Start up This chapter will cover in the given order: • Start up. • Heating cycle of the device. Start up the device by: Filling the device “Fill”). - Page 42 The control will automatically reset after an hour and the above-mentioned cycle will be repeated until a maximum of 9 ignition attempts. If the burner still has not been ignited, consult “Errors”). Instruction manual TWI 35-130 G/TWI 45-190 G...
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Page 43: Shut Down
Shut down the device for a short time Electrically isolate the device Shut down the device for a long period Instruction manual TWI 35-130 G/TWI 45-190 G Shut down You can: • Shut down the device for a short time; •... - Page 44 Shut down Instruction manual TWI 35-130 G/TWI 45-190 G...
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Page 45: Errors
Introduction Instruction manual TWI 35-130 G/TWI 45-190 G Errors A distinction is made between: • General errors General errors are not visible on the control. General errors are: Gas smell Insuffi cient or no hot water Water leakage Explosive ignition. -
Page 48: Troubleshooting Table For Errors On The Control
Instruction manual TWI 35-130 G/TWI 45-190 G... - Page 49 Instruction manual TWI 35-130 G/TWI 45-190 G...
- Page 50 Instruction manual TWI 35-130 G/TWI 45-190 G...
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Page 51: Maintenance
10.2 Prepare maintenance Instruction manual TWI 35-130 G/TWI 45-190 G Maintenance Service shall be carried out at least once a year both on the gas side and on the water side. The frequency of the maintenance depends, among other things, on the water quality, the average number of operating hours per day and the set water temperature. -
Page 52: Water-Side Maintenance
Check the pressure difference again after cleaning. Contact the supplier of the device if the pressure difference remains too low. Proceed as follows for completing the maintenance: Fill the device “Fill”). Start up the device (7 “Start up”). Instruction manual TWI 35-130 G/TWI 45-190 G... -
Page 53: Warranty (Certifi Cate)
A.O. Smith will replace the entire boiler by a brand new one of similar size and quality. The replacement boiler will have a warranty that will be valid for the remaining period of the warranty for the original boiler delivered. -
Page 54: Exclusions
A claim based on the warranty provided shall be deposited with the dealer from whom the boiler was purchased or any other dealer who sells products manufactured by A.O. Smith. The investigation of the boiler as referred to in the Articles 1 and 2 will take place in an A.O. Smith laboratory. -
Page 55: Annex
12.1 Introduction Instruction manual TWI 35-130 G/TWI 45-190 G Annex This annex contains: • The Electrical circuit diagram. • Legends... -
Page 56: Electrical Circuit Diagram
Annex 12.2 Electrical circuit diagram IMD 0380 429 R0 1 = brown, 2 = blue, 3 = green, 4 = black, 5 = white, 6 = grey / beige Instruction manual TWI 35-130 G/TWI 45-190 G... -
Page 57: Legends Electrical Circuit Diagram
12.3 Legends Instruction manual TWI 35-130 G/TWI 45-190 G WIRING brown blue green black white orange yellow black/red black/white CLAMPING STRIP CONNECTIONS: Earth Zero Phase COMPONENTS: Electronic control Air pressure switch Hot surface igniter Temperature sensor / ECO Thermostat board... - Page 58 Annex Instruction manual TWI 35-130 G/TWI 45-190 G...
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Page 59: Index
28 electrical connector block 29 error 43 fan 13 fi ll 43 fl oor loading 16 Instruction manual TWI 35-130 G/TWI 45-190 G Index gas control 13 gas smell 7 general data 3 general operation 11 heat demand 39... - Page 60 12 trade marks 3 T&P valve 14 user 8 warranty claims 52 conditions of installation and use 51 exclusions 52 extent 52 general 51 tank 51 water composition 16 working area 16 Index Instruction manual TWI 35-130 G/TWI 45-190 G...
- Page 61 Instruction manual TWI 35-130 G/TWI 45-190 G...
- Page 62 Instruction manual TWI 35-130 G/TWI 45-190 G 0308 489 R1.0...